RGEN

Nasdaq

REPLIGEN CORP

Latest disclosureOctober 6, 2026

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

0 purchases · 10 sales

Price by TradingView

Insider transactions 44

Limited filing history

Filters

Last 30 daysNo qualifying insider buying. Sales: $4.98M by 1 insider.

Showing the first 6 of 10 trades on this page.

Sale disclosed

Olivier Loeillot

Chief Executive Officer

Common Stock

Reported value: $238.27K
Reported price: $178.75 / share

Sale disclosed

Olivier Loeillot

Chief Executive Officer

Common Stock

Reported value: $798.38K
Reported price: $190.00 / share

Sale disclosed

Olivier Loeillot

Chief Executive Officer

Common Stock

Reported value: $1.6M
Reported price: $190.00 / share

Sale disclosed

Olivier Loeillot

Chief Executive Officer

Common Stock

Reported value: $862.98K
Reported price: $190.00 / share

Sale disclosed

Olivier Loeillot

Chief Executive Officer

Common Stock

Reported value: $976.68K
Reported price: $180.00 / share

Sale disclosed

Olivier Loeillot

Chief Executive Officer

Common Stock

Reported value: $503.51K
Reported price: $165.90 / share

Sale disclosed

Olivier Loeillot

Chief Executive Officer

Common Stock

Reported value: $976.68K
Reported price: $180.00 / share

Sale disclosed

Jason K. Garland

CFO

Common Stock

Reported value: $79.5K
Reported price: $150.00 / share

Sale disclosed

Jason K. Garland

CFO

Common Stock

Reported value: $106.29K
Reported price: $145.00 / share

Sale disclosed

Olivier Loeillot

Chief Executive Officer

Common Stock

Reported value: $536.48K
Reported price: $140.00 / share

Reporting insider	Security / transaction	Amount / price	Value	Traded / disclosed	Source
Chief Executive Officer	Common StockSale10b5-12 trades	5,535avg $187.29 / share	$1.04M	Oct 5Filed Oct 6 · 1d later	2 filings 1,333 @ $178.75 · $238.27KSEC filing 4,202 @ $190.00 · $798.38KSEC filing
Chief Executive Officer	Common StockSale10b5-12 trades	12,946avg $190.00 / share	$2.46M	Sep 24Filed Sep 25 · 1d later	2 filings 8,404 @ $190.00 · $1.6MSEC filing 4,542 @ $190.00 · $862.98KSEC filing
Chief Executive Officer	Common StockSale10b5-1	5,426$180.00 / share	$976.68K	Sep 21Filed Sep 22 · 1d later	SEC filing
Chief Executive Officer	Common StockSale10b5-1	3,035$165.90 / share	$503.51K	Sep 4Filed Sep 8 · 4d later	SEC filing
Chief Executive Officer	Common StockSale10b5-1	5,426$180.00 / share	$976.68K	Aug 20Filed Aug 21 · 1d later	SEC filing
CFO	Common StockSale10b5-1	530$150.00 / share	$79.5K	Jul 16Filed Jul 17 · 1d later	SEC filing
CFO	Common StockSale10b5-1	733$145.00 / share	$106.29K	Jun 25Filed Jun 26 · 1d later	SEC filing
Chief Executive Officer	Common StockSale10b5-1	3,832$140.00 / share	$536.48K	Apr 21Filed Apr 22 · 1d later	SEC filing

Congress transactions 3

All Congress filings

Sale disclosed

Repligen Corporation - Common Stock (RGEN) · Stock

The filing reports a sale for a spouse.

Lisa McClainReporting House member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: October 31, 2025

Purchase disclosed

Repligen Corporation - Common Stock (RGEN) · Stock

The filing reports a purchase for a spouse.

Lisa McClainReporting House member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: October 30, 2025

Sale disclosed

Repligen Corporation - Common Stock (RGEN) · Stock

The filing reports a sale for a spouse.

Lisa McClainReporting House member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: October 30, 2025

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: 0000730272
Latest public acceptance: Oct 6, 2026, 08:18 PM UTC
Score calculated: Oct 8, 2026, 12:04 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 Executive Officer

Common StockSale10b5-12 trades

5,535avg $187.29 / share

$1.04M

Oct 5Filed Oct 6 · 1d later

2 filings

1,333 @ $178.75 · $238.27KSEC filing
4,202 @ $190.00 · $798.38KSEC filing

Chief Executive Officer

Common StockSale10b5-12 trades

12,946avg $190.00 / share

$2.46M

Sep 24Filed Sep 25 · 1d later

2 filings

8,404 @ $190.00 · $1.6MSEC filing
4,542 @ $190.00 · $862.98KSEC filing

Chief Executive Officer

Common StockSale10b5-1

5,426$180.00 / share

$976.68K

Sep 21Filed Sep 22 · 1d later

SEC filing

Chief Executive Officer

Common StockSale10b5-1

3,035$165.90 / share

$503.51K

Sep 4Filed Sep 8 · 4d later

SEC filing

Chief Executive Officer

Common StockSale10b5-1

5,426$180.00 / share

$976.68K

Aug 20Filed Aug 21 · 1d later

SEC filing

CFO

Common StockSale10b5-1

530$150.00 / share

$79.5K

Jul 16Filed Jul 17 · 1d later

SEC filing

CFO

Common StockSale10b5-1

733$145.00 / share

$106.29K

Jun 25Filed Jun 26 · 1d later

SEC filing

Chief Executive Officer

Common StockSale10b5-1

3,832$140.00 / share

$536.48K

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: 0000730272
Latest public acceptance: Oct 6, 2026, 08:18 PM UTC
Score calculated: Oct 8, 2026, 12:04 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.