WDC

Nasdaq

WESTERN DIGITAL CORP

Latest disclosureSeptember 21, 2026

Insider score Why 0?: 0/ 100
Qualifying buys · 30d: $0

0 purchases · 128 sales

Price by TradingView

Insider transactions 309

Limited filing history

Filters

Last 30 daysNo qualifying insider buying. Sales: $1.02M by 2 insiders.

Showing the first 6 of 128 trades on this page.

Sale disclosed

Cynthia L. Tregillis

Chief Legal Officer & Corp Sec

Common Stock

Reported value: $194.92K
Reported price: $451.20 / share

Sale disclosed

Vidyadhara K. Gubbi

Chief of Global Operations

Common Stock

Reported value: $825.47K
Reported price: $459.8732 / share

Sale disclosed

Stephanie A. Streeter

Director

Common Stock

Reported value: $894.12K
Reported price: $447.06 / share

Sale disclosed

Stephanie A. Streeter

Director

Common Stock

Reported value: $897.16K
Reported price: $448.58 / share

Sale disclosed

Stephanie A. Streeter

Director

Common Stock

Reported value: $728K
Reported price: $455.00 / share

Sale disclosed

Cynthia L. Tregillis

Chief Legal Officer & Corp Sec

Common Stock

Reported value: $214.57K
Reported price: $450.78 / share

Sale disclosed

Cynthia L. Tregillis

Chief Legal Officer & Corp Sec

Common Stock

Reported value: $481.71K
Reported price: $478.36 / share

Sale disclosed

Cynthia L. Tregillis

Chief Legal Officer & Corp Sec

Common Stock

Reported value: $112.16K
Reported price: $477.27 / share

Sale disclosed

Cynthia L. Tregillis

Chief Legal Officer & Corp Sec

Common Stock

Reported value: $305.18K
Reported price: $446.17 / share

Sale disclosed

Irving Tan

Chief Executive Officer

Common Stock

Reported value: $1.09M
Reported price: $441.4838 / share

Sale disclosed

Irving Tan

Chief Executive Officer

Common Stock

Reported value: $437.35K
Reported price: $442.2155 / share

Sale disclosed

Irving Tan

Chief Executive Officer

Common Stock

Reported value: $815.76K
Reported price: $443.3465 / share

Sale disclosed

Irving Tan

Chief Executive Officer

Common Stock

Reported value: $835.99K
Reported price: $444.6745 / share

Sale disclosed

Irving Tan

Chief Executive Officer

Common Stock

Reported value: $2.15M
Reported price: $445.4508 / share

Sale disclosed

Irving Tan

Chief Executive Officer

Common Stock

Reported value: $2.88M
Reported price: $446.3812 / share

Sale disclosed

Irving Tan

Chief Executive Officer

Common Stock

Reported value: $691.35K
Reported price: $447.1831 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $73.97K
Reported price: $462.3013 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $14.88K
Reported price: $465.1231 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $27.14K
Reported price: $424.045 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $13.61K
Reported price: $425.31 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $27.29K
Reported price: $426.4453 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $49.23K
Reported price: $428.0837 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $39.91K
Reported price: $429.1159 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $44.34K
Reported price: $430.4469 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $49.61K
Reported price: $431.407 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $16.42K
Reported price: $432.2047 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $48.59K
Reported price: $433.8386 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $27.83K
Reported price: $434.805 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $13.94K
Reported price: $435.585 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $67.28K
Reported price: $436.8934 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $51.69K
Reported price: $438.0839 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $28.12K
Reported price: $439.38 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $42.33K
Reported price: $440.9617 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $14.16K
Reported price: $442.47 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $14.22K
Reported price: $444.51 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $14.31K
Reported price: $447.095 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $18.39K
Reported price: $448.4559 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $17.53K
Reported price: $449.4208 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $31.59K
Reported price: $451.304 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $47.93K
Reported price: $452.1232 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $65.27K
Reported price: $453.2733 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $58.17K
Reported price: $454.4425 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $138.49K
Reported price: $455.5468 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $142.43K
Reported price: $456.5162 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $150.04K
Reported price: $457.4484 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $242.79K
Reported price: $458.9562 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $114.07K
Reported price: $459.9732 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $91.79K
Reported price: $461.2349 / share

Sale disclosed

Cynthia L. Tregillis

Chief Legal Officer & Corp Sec

Common Stock

Reported value: $427.94K
Reported price: $529.63 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $25.35K
Reported price: $528.0733 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $33.94K
Reported price: $530.2675 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $25.52K
Reported price: $531.6167 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $51.17K
Reported price: $533.0133 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $25.63K
Reported price: $533.9733 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $8.56K
Reported price: $534.90 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $60.06K
Reported price: $536.2686 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $38.18K
Reported price: $537.7273 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $30.71K
Reported price: $538.8116 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $17.27K
Reported price: $539.815 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $8.66K
Reported price: $540.96 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $26.05K
Reported price: $542.7867 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $26.11K
Reported price: $543.92 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $8.72K
Reported price: $544.95 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $23.25K
Reported price: $484.2833 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $7.77K
Reported price: $485.54 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $23.37K
Reported price: $486.8667 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $7.81K
Reported price: $488.06 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $18.66K
Reported price: $491.0595 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $14.77K
Reported price: $492.3783 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $21.72K
Reported price: $493.6418 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $15.83K
Reported price: $494.625 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $23.88K
Reported price: $497.4667 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $23.95K
Reported price: $498.9467 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $8K
Reported price: $499.69 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $32.11K
Reported price: $501.7225 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $64.37K
Reported price: $502.8702 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $40.3K
Reported price: $503.802 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $48.53K
Reported price: $505.5117 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $48.76K
Reported price: $507.9383 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $16.29K
Reported price: $509.1606 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $166.46K
Reported price: $510.6106 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $158.62K
Reported price: $511.6651 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $162.15K
Reported price: $513.1445 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $152.17K
Reported price: $514.0944 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $202.04K
Reported price: $515.399 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $57.87K
Reported price: $516.7171 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $111.8K
Reported price: $517.5896 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $24.92K
Reported price: $519.2533 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $83.38K
Reported price: $521.139 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $16.74K
Reported price: $523.23 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $25.19K
Reported price: $524.72 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $8.41K
Reported price: $525.56 / share

Sale disclosed

Martin I. Cole

Director

Common Stock

Reported value: $67.48K
Reported price: $527.2238 / share

Sale disclosed

Cynthia L. Tregillis

Chief Legal Officer & Corp Sec

Common Stock

Reported value: $235.7K
Reported price: $545.60 / share

Sale disclosed

Vidyadhara K. Gubbi

Chief of Global Operations

Common Stock

Reported value: $1.38M
Reported price: $556.24 / share

Sale disclosed

Bruce E. Kiddoo

Director

Common Stock

Reported value: $396.39K
Reported price: $528.52 / share

Sale disclosed

Cynthia L. Tregillis

Chief Legal Officer & Corp Sec

Common Stock

Reported value: $150.49K
Reported price: $488.61 / share

Sale disclosed

Cynthia L. Tregillis

Chief Legal Officer & Corp Sec

Common Stock

Reported value: $115.48K
Reported price: $539.63 / share

Sale disclosed

Cynthia L. Tregillis

Chief Legal Officer & Corp Sec

Common Stock

Reported value: $48.64K
Reported price: $458.87 / share

Sale disclosed

Brian Scott Davis

Chief Sales & Mrktng Officer

Common Stock

Reported value: $820.38K
Reported price: $489.7788 / share

Sale disclosed

Brian Scott Davis

Chief Sales & Mrktng Officer

Common Stock

Reported value: $52.48K
Reported price: $490.486 / share

Sale disclosed

Brian Scott Davis

Chief Sales & Mrktng Officer

Common Stock

Reported value: $58.94K
Reported price: $491.1333 / share

Sale disclosed

Brian Scott Davis

Chief Sales & Mrktng Officer

Common Stock

Reported value: $78.93K
Reported price: $493.3338 / share

Sale disclosed

Brian Scott Davis

Chief Sales & Mrktng Officer

Common Stock

Reported value: $59.33K
Reported price: $494.40 / share

Sale disclosed

Brian Scott Davis

Chief Sales & Mrktng Officer

Common Stock

Reported value: $19.84K
Reported price: $495.97 / share

Sale disclosed

Brian Scott Davis

Chief Sales & Mrktng Officer

Common Stock

Reported value: $79.55K
Reported price: $497.1788 / share

Sale disclosed

Brian Scott Davis

Chief Sales & Mrktng Officer

Common Stock

Reported value: $200.11K
Reported price: $499.0243 / share

Sale disclosed

Brian Scott Davis

Chief Sales & Mrktng Officer

Common Stock

Reported value: $498.18K
Reported price: $500.1821 / share

Sale disclosed

Brian Scott Davis

Chief Sales & Mrktng Officer

Common Stock

Reported value: $484.39K
Reported price: $501.4428 / share

Sale disclosed

Brian Scott Davis

Chief Sales & Mrktng Officer

Common Stock

Reported value: $374.35K
Reported price: $502.4897 / share

Sale disclosed

Brian Scott Davis

Chief Sales & Mrktng Officer

Common Stock

Reported value: $441.13K
Reported price: $503.568 / share

Sale disclosed

Brian Scott Davis

Chief Sales & Mrktng Officer

Common Stock

Reported value: $815.13K
Reported price: $504.1022 / share

Sale disclosed

Brian Scott Davis

Chief Sales & Mrktng Officer

Common Stock

Reported value: $283.95K
Reported price: $505.2479 / share

Sale disclosed

Brian Scott Davis

Chief Sales & Mrktng Officer

Common Stock

Reported value: $195.67K
Reported price: $506.9181 / share

Sale disclosed

Brian Scott Davis

Chief Sales & Mrktng Officer

Common Stock

Reported value: $8.63K
Reported price: $507.68 / share

Sale disclosed

Brian Scott Davis

Chief Sales & Mrktng Officer

Common Stock

Reported value: $382.39K
Reported price: $509.1757 / share

Sale disclosed

Brian Scott Davis

Chief Sales & Mrktng Officer

Common Stock

Reported value: $153.51K
Reported price: $510.0009 / share

Sale disclosed

Vidyadhara K. Gubbi

Chief of Global Operations

Common Stock

Reported value: $2.07M
Reported price: $443.185 / share

Sale disclosed

Irving Tan

Chief Executive Officer

Common Stock

Reported value: $1.32M
Reported price: $406.5204 / share

Sale disclosed

Irving Tan

Chief Executive Officer

Common Stock

Reported value: $208.55K
Reported price: $407.3193 / share

Sale disclosed

Irving Tan

Chief Executive Officer

Common Stock

Reported value: $238.41K
Reported price: $408.2328 / share

Sale disclosed

Irving Tan

Chief Executive Officer

Common Stock

Reported value: $223.66K
Reported price: $409.6283 / share

Sale disclosed

Irving Tan

Chief Executive Officer

Common Stock

Reported value: $377.9K
Reported price: $410.7583 / share

Sale disclosed

Irving Tan

Chief Executive Officer

Common Stock

Reported value: $280.07K
Reported price: $411.8653 / share

Sale disclosed

Irving Tan

Chief Executive Officer

Common Stock

Reported value: $2.36M
Reported price: $413.1223 / share

Sale disclosed

Irving Tan

Chief Executive Officer

Common Stock

Reported value: $3.04M
Reported price: $413.9192 / share

Sale disclosed

Irving Tan

Chief Executive Officer

Common Stock

Reported value: $180.53K
Reported price: $415.0157 / share

Sale disclosed

Cynthia L. Tregillis

Chief Legal Officer & Corp Sec

Common Stock

Reported value: $136.88K
Reported price: $377.09 / share

Reporting insider	Security / transaction	Amount / price	Value	Traded / disclosed	Source
Chief Legal Officer & Corp Sec	Common StockSale10b5-1	432$451.20 / share	$194.92K	Sep 4Filed Sep 8 · 4d later	SEC filing
Chief of Global Operations	Common StockSale	1,795$459.87 / share	$825.47K	Sep 4Filed Sep 8 · 4d later	SEC filing
Director	Common StockSale2 trades	4,000avg $447.82 / share	$1.79M	Aug 31Filed Sep 2 · 2d later	2 filings 2,000 @ $447.06 · $894.12KSEC filing 2,000 @ $448.58 · $897.16KSEC filing
Director	Common StockSale	1,600$455.00 / share	$728K	Sep 1Filed Sep 2 · 1d later	SEC filing
Chief Legal Officer & Corp Sec	Common StockSale10b5-1	476$450.78 / share	$214.57K	Aug 26Filed Aug 27 · 1d later	SEC filing
Chief Legal Officer & Corp Sec	Common StockSale10b5-1	1,007$478.36 / share	$481.71K	Aug 27Filed Aug 27 · 0d later	SEC filing
Chief Legal Officer & Corp Sec	Common StockSale10b5-1	235$477.27 / share	$112.16K	Aug 21Filed Aug 24 · 3d later	SEC filing
Chief Legal Officer & Corp Sec	Common StockSale10b5-1	684$446.17 / share	$305.18K	Aug 24Filed Aug 24 · 0d later	SEC filing
Chief Executive Officer	Common StockSale10b5-17 trades	20,000avg $444.97 / share	$8.9M	Aug 11Filed Aug 12 · 1d later	7 filings 2,478 @ $441.48 · $1.09MSEC filing 989 @ $442.22 · $437.35KSEC filing 1,840 @ $443.35 · $815.76KSEC filing 1,880 @ $444.67 · $835.99KSEC filing 4,822 @ $445.45 · $2.15MSEC filing 6,445 @ $446.38 · $2.88MSEC filing 1,546 @ $447.18 · $691.35KSEC filing
Director	Common StockSale10b5-132 trades	4,000avg $449.34 / share	$1.8M	Jul 28Filed Jul 29 · 1d later	32 filings 160 @ $462.30 · $73.97KSEC filing 32 @ $465.12 · $14.88KSEC filing 64 @ $424.05 · $27.14KSEC filing 32 @ $425.31 · $13.61KSEC filing 64 @ $426.45 · $27.29KSEC filing 115 @ $428.08 · $49.23KSEC filing 93 @ $429.12 · $39.91KSEC filing 103 @ $430.45 · $44.34KSEC filing 115 @ $431.41 · $49.61KSEC filing 38 @ $432.20 · $16.42KSEC filing 112 @ $433.84 · $48.59KSEC filing 64 @ $434.81 · $27.83KSEC filing 32 @ $435.59 · $13.94KSEC filing 154 @ $436.89 · $67.28KSEC filing 118 @ $438.08 · $51.69KSEC filing 64 @ $439.38 · $28.12KSEC filing 96 @ $440.96 · $42.33KSEC filing 32 @ $442.47 · $14.16KSEC filing 32 @ $444.51 · $14.22KSEC filing 32 @ $447.10 · $14.31KSEC filing 41 @ $448.46 · $18.39KSEC filing 39 @ $449.42 · $17.53KSEC filing 70 @ $451.30 · $31.59KSEC filing 106 @ $452.12 · $47.93KSEC filing 144 @ $453.27 · $65.27KSEC filing 128 @ $454.44 · $58.17KSEC filing 304 @ $455.55 · $138.49KSEC filing 312 @ $456.52 · $142.43KSEC filing 328 @ $457.45 · $150.04KSEC filing 529 @ $458.96 · $242.79KSEC filing 248 @ $459.97 · $114.07KSEC filing 199 @ $461.23 · $91.79KSEC filing
Chief Legal Officer & Corp Sec	Common StockSale10b5-1	808$529.63 / share	$427.94K	Jul 21Filed Jul 21 · 0d later	SEC filing
Director	Common StockSale10b5-144 trades	4,000avg $515.63 / share	$2.06M	Jun 9Filed Jun 11 · 2d later	44 filings 48 @ $528.07 · $25.35KSEC filing 64 @ $530.27 · $33.94KSEC filing 48 @ $531.62 · $25.52KSEC filing 96 @ $533.01 · $51.17KSEC filing 48 @ $533.97 · $25.63KSEC filing 16 @ $534.90 · $8.56KSEC filing 112 @ $536.27 · $60.06KSEC filing 71 @ $537.73 · $38.18KSEC filing 57 @ $538.81 · $30.71KSEC filing 32 @ $539.82 · $17.27KSEC filing 16 @ $540.96 · $8.66KSEC filing 48 @ $542.79 · $26.05KSEC filing 48 @ $543.92 · $26.11KSEC filing 16 @ $544.95 · $8.72KSEC filing 48 @ $484.28 · $23.25KSEC filing 16 @ $485.54 · $7.77KSEC filing 48 @ $486.87 · $23.37KSEC filing 16 @ $488.06 · $7.81KSEC filing 38 @ $491.06 · $18.66KSEC filing 30 @ $492.38 · $14.77KSEC filing 44 @ $493.64 · $21.72KSEC filing 32 @ $494.63 · $15.83KSEC filing 48 @ $497.47 · $23.88KSEC filing 48 @ $498.95 · $23.95KSEC filing 16 @ $499.69 · $8KSEC filing 64 @ $501.72 · $32.11KSEC filing 128 @ $502.87 · $64.37KSEC filing 80 @ $503.80 · $40.3KSEC filing 96 @ $505.51 · $48.53KSEC filing 96 @ $507.94 · $48.76KSEC filing 32 @ $509.16 · $16.29KSEC filing 326 @ $510.61 · $166.46KSEC filing 310 @ $511.67 · $158.62KSEC filing 316 @ $513.14 · $162.15KSEC filing 296 @ $514.09 · $152.17KSEC filing 392 @ $515.40 · $202.04KSEC filing 112 @ $516.72 · $57.87KSEC filing 216 @ $517.59 · $111.8KSEC filing 48 @ $519.25 · $24.92KSEC filing 160 @ $521.14 · $83.38KSEC filing 32 @ $523.23 · $16.74KSEC filing 48 @ $524.72 · $25.19KSEC filing 16 @ $525.56 · $8.41KSEC filing 128 @ $527.22 · $67.48KSEC filing
Chief Legal Officer & Corp Sec	Common StockSale10b5-1	432$545.60 / share	$235.7K	Jun 5Filed Jun 5 · 0d later	SEC filing
Chief of Global Operations	Common StockSale	2,475$556.24 / share	$1.38M	Jun 1Filed Jun 2 · 1d later	SEC filing
Director	Common StockSale	750$528.52 / share	$396.39K	May 28Filed May 29 · 1d later	SEC filing
Chief Legal Officer & Corp Sec	Common StockSale10b5-1	308$488.61 / share	$150.49K	May 22Filed May 27 · 5d later	SEC filing
Chief Legal Officer & Corp Sec	Common StockSale10b5-1	214$539.63 / share	$115.48K	May 27Filed May 27 · 0d later	SEC filing
Chief Legal Officer & Corp Sec	Common StockSale10b5-1	106$458.87 / share	$48.64K	May 21Filed May 22 · 1d later	SEC filing
Chief Sales & Mrktng Officer	Common StockSale10b5-118 trades	10,000avg $500.69 / share	$5.01M	May 11Filed May 12 · 1d later	18 filings 1,675 @ $489.78 · $820.38KSEC filing 107 @ $490.49 · $52.48KSEC filing 120 @ $491.13 · $58.94KSEC filing 160 @ $493.33 · $78.93KSEC filing 120 @ $494.40 · $59.33KSEC filing 40 @ $495.97 · $19.84KSEC filing 160 @ $497.18 · $79.55KSEC filing 401 @ $499.02 · $200.11KSEC filing 996 @ $500.18 · $498.18KSEC filing 966 @ $501.44 · $484.39KSEC filing 745 @ $502.49 · $374.35KSEC filing 876 @ $503.57 · $441.13KSEC filing 1,617 @ $504.10 · $815.13KSEC filing 562 @ $505.25 · $283.95KSEC filing 386 @ $506.92 · $195.67KSEC filing 17 @ $507.68 · $8.63KSEC filing 751 @ $509.18 · $382.39KSEC filing 301 @ $510.00 · $153.51KSEC filing
Chief of Global Operations	Common StockSale	4,674$443.19 / share	$2.07M	May 4Filed May 5 · 1d later	SEC filing
Chief Executive Officer	Common StockSale10b5-19 trades	20,000avg $411.84 / share	$8.24M	May 1Filed May 5 · 4d later	9 filings 3,257 @ $406.52 · $1.32MSEC filing 512 @ $407.32 · $208.55KSEC filing 584 @ $408.23 · $238.41KSEC filing 546 @ $409.63 · $223.66KSEC filing 920 @ $410.76 · $377.9KSEC filing 680 @ $411.87 · $280.07KSEC filing 5,711 @ $413.12 · $2.36MSEC filing 7,355 @ $413.92 · $3.04MSEC filing 435 @ $415.02 · $180.53KSEC filing
Chief Legal Officer & Corp Sec	Common StockSale10b5-1	363$377.09 / share	$136.88K	Apr 21Filed Apr 22 · 1d later	SEC filing

Congress transactions 2

All Congress filings

Purchase disclosed

Western Digital Corporation - Common Stock (WDC) · Stock

The filing reports a purchase for the member.

Gilbert CisnerosReporting House member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: July 17, 2026

Purchase disclosed

Western Digital Corporation - Common Stock · Stock

The filing reports a purchase for the member.

AAAlan ArmstrongReporting Senate member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: March 27, 2026

Why this buying score?

No qualifying common-equity purchases

No eligible common-equity purchase is public by this cutoff within 180 transaction-date days. Other instruments, exercises and routine activity do not contribute purchase points.

+0 pts

This score describes qualifying insider purchases at issuer level. Read the methodology

Sources and coverage

Limited filing history · Market-wide discovery does not establish complete company history. View coverage

Source: SEC EDGAR · Form 4
Issuer CIK: 0000106040
Latest public acceptance: Sep 21, 2026, 10:36 PM UTC
Score calculated: Oct 8, 2026, 12:03 AM UTC
Parser: form4-parser-1.5
Classifier: form4-classifier-1.1
Scoring methodology: insider-experimental-1.1
Availability: Public filing time, not trade date

Open a transaction's SEC filing for the primary evidence. A code P may describe an open-market or private purchase; classification is not proof of intent.

Insider activity can have many explanations. Signal Strength is not a probability of profit or a recommendation to trade.

Reporting insider

Security / transaction

Amount / price

Value

Traded / disclosed

Source

Chief Legal Officer & Corp Sec

Common StockSale10b5-1

432$451.20 / share

$194.92K

Sep 4Filed Sep 8 · 4d later

SEC filing

Chief of Global Operations

Common StockSale

1,795$459.87 / share

$825.47K

Sep 4Filed Sep 8 · 4d later

SEC filing

Director

Common StockSale2 trades

4,000avg $447.82 / share

$1.79M

Aug 31Filed Sep 2 · 2d later

2 filings

2,000 @ $447.06 · $894.12KSEC filing
2,000 @ $448.58 · $897.16KSEC filing

Director

Common StockSale

1,600$455.00 / share

$728K

Sep 1Filed Sep 2 · 1d later

SEC filing

Chief Legal Officer & Corp Sec

Common StockSale10b5-1

476$450.78 / share

$214.57K

Aug 26Filed Aug 27 · 1d later

SEC filing

Chief Legal Officer & Corp Sec

Common StockSale10b5-1

1,007$478.36 / share

$481.71K

Aug 27Filed Aug 27 · 0d later

SEC filing

Chief Legal Officer & Corp Sec

Common StockSale10b5-1

235$477.27 / share

$112.16K

Aug 21Filed Aug 24 · 3d later

SEC filing

Chief Legal Officer & Corp Sec

Common StockSale10b5-1

684$446.17 / share

$305.18K

Aug 24Filed Aug 24 · 0d later

SEC filing

Chief Executive Officer

Common StockSale10b5-17 trades

20,000avg $444.97 / share

$8.9M

Aug 11Filed Aug 12 · 1d later

7 filings

2,478 @ $441.48 · $1.09MSEC filing
989 @ $442.22 · $437.35KSEC filing
1,840 @ $443.35 · $815.76KSEC filing
1,880 @ $444.67 · $835.99KSEC filing
4,822 @ $445.45 · $2.15MSEC filing
6,445 @ $446.38 · $2.88MSEC filing
1,546 @ $447.18 · $691.35KSEC filing

Director

Common StockSale10b5-132 trades

4,000avg $449.34 / share

$1.8M

Jul 28Filed Jul 29 · 1d later

32 filings

160 @ $462.30 · $73.97KSEC filing
32 @ $465.12 · $14.88KSEC filing
64 @ $424.05 · $27.14KSEC filing
32 @ $425.31 · $13.61KSEC filing
64 @ $426.45 · $27.29KSEC filing
115 @ $428.08 · $49.23KSEC filing
93 @ $429.12 · $39.91KSEC filing
103 @ $430.45 · $44.34KSEC filing
115 @ $431.41 · $49.61KSEC filing
38 @ $432.20 · $16.42KSEC filing
112 @ $433.84 · $48.59KSEC filing
64 @ $434.81 · $27.83KSEC filing
32 @ $435.59 · $13.94KSEC filing
154 @ $436.89 · $67.28KSEC filing
118 @ $438.08 · $51.69KSEC filing
64 @ $439.38 · $28.12KSEC filing
96 @ $440.96 · $42.33KSEC filing
32 @ $442.47 · $14.16KSEC filing
32 @ $444.51 · $14.22KSEC filing
32 @ $447.10 · $14.31KSEC filing
41 @ $448.46 · $18.39KSEC filing
39 @ $449.42 · $17.53KSEC filing
70 @ $451.30 · $31.59KSEC filing
106 @ $452.12 · $47.93KSEC filing
144 @ $453.27 · $65.27KSEC filing
128 @ $454.44 · $58.17KSEC filing
304 @ $455.55 · $138.49KSEC filing
312 @ $456.52 · $142.43KSEC filing
328 @ $457.45 · $150.04KSEC filing
529 @ $458.96 · $242.79KSEC filing
248 @ $459.97 · $114.07KSEC filing
199 @ $461.23 · $91.79KSEC filing

Chief Legal Officer & Corp Sec

Common StockSale10b5-1

808$529.63 / share

$427.94K

Jul 21Filed Jul 21 · 0d later

SEC filing

Director

Common StockSale10b5-144 trades

4,000avg $515.63 / share

$2.06M

Jun 9Filed Jun 11 · 2d later

44 filings

48 @ $528.07 · $25.35KSEC filing
64 @ $530.27 · $33.94KSEC filing
48 @ $531.62 · $25.52KSEC filing
96 @ $533.01 · $51.17KSEC filing
48 @ $533.97 · $25.63KSEC filing
16 @ $534.90 · $8.56KSEC filing
112 @ $536.27 · $60.06KSEC filing
71 @ $537.73 · $38.18KSEC filing
57 @ $538.81 · $30.71KSEC filing
32 @ $539.82 · $17.27KSEC filing
16 @ $540.96 · $8.66KSEC filing
48 @ $542.79 · $26.05KSEC filing
48 @ $543.92 · $26.11KSEC filing
16 @ $544.95 · $8.72KSEC filing
48 @ $484.28 · $23.25KSEC filing
16 @ $485.54 · $7.77KSEC filing
48 @ $486.87 · $23.37KSEC filing
16 @ $488.06 · $7.81KSEC filing
38 @ $491.06 · $18.66KSEC filing
30 @ $492.38 · $14.77KSEC filing
44 @ $493.64 · $21.72KSEC filing
32 @ $494.63 · $15.83KSEC filing
48 @ $497.47 · $23.88KSEC filing
48 @ $498.95 · $23.95KSEC filing
16 @ $499.69 · $8KSEC filing
64 @ $501.72 · $32.11KSEC filing
128 @ $502.87 · $64.37KSEC filing
80 @ $503.80 · $40.3KSEC filing
96 @ $505.51 · $48.53KSEC filing
96 @ $507.94 · $48.76KSEC filing
32 @ $509.16 · $16.29KSEC filing
326 @ $510.61 · $166.46KSEC filing
310 @ $511.67 · $158.62KSEC filing
316 @ $513.14 · $162.15KSEC filing
296 @ $514.09 · $152.17KSEC filing
392 @ $515.40 · $202.04KSEC filing
112 @ $516.72 · $57.87KSEC filing
216 @ $517.59 · $111.8KSEC filing
48 @ $519.25 · $24.92KSEC filing
160 @ $521.14 · $83.38KSEC filing
32 @ $523.23 · $16.74KSEC filing
48 @ $524.72 · $25.19KSEC filing
16 @ $525.56 · $8.41KSEC filing
128 @ $527.22 · $67.48KSEC filing

Chief Legal Officer & Corp Sec

Common StockSale10b5-1

432$545.60 / share

$235.7K

Jun 5Filed Jun 5 · 0d later

SEC filing

Chief of Global Operations

Common StockSale

2,475$556.24 / share

$1.38M

Jun 1Filed Jun 2 · 1d later

SEC filing

Director

Common StockSale

750$528.52 / share

$396.39K

May 28Filed May 29 · 1d later

SEC filing

Chief Legal Officer & Corp Sec

Common StockSale10b5-1

308$488.61 / share

$150.49K

May 22Filed May 27 · 5d later

SEC filing

Chief Legal Officer & Corp Sec

Common StockSale10b5-1

214$539.63 / share

$115.48K

May 27Filed May 27 · 0d later

SEC filing

Chief Legal Officer & Corp Sec

Common StockSale10b5-1

106$458.87 / share

$48.64K

May 21Filed May 22 · 1d later

SEC filing

Chief Sales & Mrktng Officer

Common StockSale10b5-118 trades

10,000avg $500.69 / share

$5.01M

May 11Filed May 12 · 1d later

18 filings

1,675 @ $489.78 · $820.38KSEC filing
107 @ $490.49 · $52.48KSEC filing
120 @ $491.13 · $58.94KSEC filing
160 @ $493.33 · $78.93KSEC filing
120 @ $494.40 · $59.33KSEC filing
40 @ $495.97 · $19.84KSEC filing
160 @ $497.18 · $79.55KSEC filing
401 @ $499.02 · $200.11KSEC filing
996 @ $500.18 · $498.18KSEC filing
966 @ $501.44 · $484.39KSEC filing
745 @ $502.49 · $374.35KSEC filing
876 @ $503.57 · $441.13KSEC filing
1,617 @ $504.10 · $815.13KSEC filing
562 @ $505.25 · $283.95KSEC filing
386 @ $506.92 · $195.67KSEC filing
17 @ $507.68 · $8.63KSEC filing
751 @ $509.18 · $382.39KSEC filing
301 @ $510.00 · $153.51KSEC filing

Chief of Global Operations

Common StockSale

4,674$443.19 / share

$2.07M

May 4Filed May 5 · 1d later

SEC filing

Chief Executive Officer

Common StockSale10b5-19 trades

20,000avg $411.84 / share

$8.24M

May 1Filed May 5 · 4d later

9 filings

3,257 @ $406.52 · $1.32MSEC filing
512 @ $407.32 · $208.55KSEC filing
584 @ $408.23 · $238.41KSEC filing
546 @ $409.63 · $223.66KSEC filing
920 @ $410.76 · $377.9KSEC filing
680 @ $411.87 · $280.07KSEC filing
5,711 @ $413.12 · $2.36MSEC filing
7,355 @ $413.92 · $3.04MSEC filing
435 @ $415.02 · $180.53KSEC filing

Chief Legal Officer & Corp Sec

Common StockSale10b5-1

363$377.09 / share

$136.88K

Apr 21Filed Apr 22 · 1d later

SEC filing

Why this buying score?

No qualifying common-equity purchases

No eligible common-equity purchase is public by this cutoff within 180 transaction-date days. Other instruments, exercises and routine activity do not contribute purchase points.

+0 pts

This score describes qualifying insider purchases at issuer level. Read the methodology

Sources and coverage

Limited filing history · Market-wide discovery does not establish complete company history. View coverage

Source: SEC EDGAR · Form 4
Issuer CIK: 0000106040
Latest public acceptance: Sep 21, 2026, 10:36 PM UTC
Score calculated: Oct 8, 2026, 12:03 AM UTC
Parser: form4-parser-1.5
Classifier: form4-classifier-1.1
Scoring methodology: insider-experimental-1.1
Availability: Public filing time, not trade date

Open a transaction's SEC filing for the primary evidence. A code P may describe an open-market or private purchase; classification is not proof of intent.