Skip to content
Whale Atlas — Follow the signal.
Home
FULL RECORDS
Search insider filingsAll Congress filings
MORE TOOLS
WatchlistGold IntelligencePeopleCharts & technicalsCompany financialsOfficial newsMy saved workspace
YOUR RESEARCH
HomeSearch insider filingsAll Congress filings
More research tools
ExploreGold IntelligencePeopleInvestigate an ideaCharts & technicalsMore evidenceCompany financialsOfficial newsMy research & helpWatchlistMy saved workspaceLearn the basicsHow signals workData & coverage
RESOURCES
LearnMethodologyData sources
Built on public evidence.

Primary sources. Clear reasoning.
No black boxes.

Our approach
Public research workspacev1.0

Loading data…Scanning SEC filings…Checking Congress reports…Following the signal…

HomeSearchCongressWatchlist
© 2026 Whale AtlasFree public-filing research. Not financial advice. By using this site you agree to the Terms of Use.
FAQCompare trackersMethodologyData & correctionsTermsPrivacy
Back to Home
A

ACU

NYSE

ACME UNITED CORP

Latest disclosureAugust 19, 2026
Insider score Why 0?
0/ 100
Qualifying buys · 30d
$0

0 purchases · 12 sales

Price by TradingViewDelayed quote from TradingView, for viewing only. It does not power Whale Atlas scores or alerts. If the quote does not load, open the TradingView link.

Insider transactions 51

Limited filing history
All51Buying0Selling12Other39
Filters

Last 30 daysNo qualifying insider buying. No qualifying insider sales.

51 trades · May 13, 2026 – August 18, 2026Incomplete history: this shows the filings imported so far, not every filing ever made. Dates are trade dates. Filters affect this table only.

Showing the first 6 of 51 trades on this page.

Sale disclosed

Brian S. Olschan

President and COO

Common Stock

Reported value
$245.44K
Reported price
$61.36 / share
Traded August 18, 2026Filed August 19, 2026SEC filing
Sale disclosed

Brian S. Olschan

President and COO

Common Stock

Reported value
$203.87K
Reported price
$61.63 / share
Traded August 18, 2026Filed August 19, 2026SEC filing
Exercise or conversion

Brian S. Olschan

President and COO

Common Stock

Value context
$389.6K
Reported price
$19.48 / share
Traded August 13, 2026Filed August 17, 2026SEC filing
Tax or exercise withholding

Brian S. Olschan

President and COO

Common Stock

Value context
$771.29K
Reported price
$60.77 / share
Traded August 13, 2026Filed August 17, 2026SEC filing
Exercise or conversion

Brian S. Olschan

President and COO

Employee Stock Option

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$19.48 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded August 13, 2026Filed August 17, 2026SEC filing
Sale disclosed

Brian Barker

Director

Common Stock

Reported value
$231.17K
Reported price
$60.50 / share
Traded August 13, 2026Filed August 17, 2026SEC filing
Exercise or conversion

Brian Barker

Director

Common Stock

Value context
$84.8K
Reported price
$21.20 / share
Traded August 11, 2026Filed August 12, 2026SEC filing
Tax or exercise withholding

Brian Barker

Director

Common Stock

Value context
$84.82K
Reported price
$57.35 / share
Traded August 11, 2026Filed August 12, 2026SEC filing
Exercise or conversion

Brian Barker

Director

Employee Stock Option

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$21.20 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded August 11, 2026Filed August 12, 2026SEC filing
Sale disclosed

Brian S. Olschan

President and COO

Common Stock

Reported value
$58
Reported price
$58.00 / share
Traded August 3, 2026Filed August 12, 2026SEC filing
Sale disclosed

Brian S. Olschan

President and COO

Common Stock

Reported value
$55.67K
Reported price
$56.75 / share
Traded August 4, 2026Filed August 12, 2026SEC filing
Sale disclosed

Brian S. Olschan

President and COO

Common Stock

Reported value
$222.04K
Reported price
$55.51 / share
Traded August 5, 2026Filed August 12, 2026SEC filing
Sale disclosed

Brian S. Olschan

President and COO

Common Stock

Reported value
$6.97K
Reported price
$55.72 / share
Traded August 7, 2026Filed August 12, 2026SEC filing
Sale disclosed

Brian S. Olschan

President and COO

Common Stock

Reported value
$302.7K
Reported price
$57.07 / share
Traded August 10, 2026Filed August 12, 2026SEC filing
Sale disclosed

Brian S. Olschan

President and COO

Common Stock

Reported value
$9.22K
Reported price
$57.99 / share
Traded August 11, 2026Filed August 12, 2026SEC filing
Sale disclosed

Brian S. Olschan

President and COO

Common Stock

Reported value
$19.79K
Reported price
$58.39 / share
Traded August 12, 2026Filed August 12, 2026SEC filing
Exercise or conversion

Rex Lynn Davidson

Director

Common Stock

Value context
$141K
Reported price
$28.20 / share
Traded August 5, 2026Filed August 11, 2026SEC filing
Tax or exercise withholding

Rex Lynn Davidson

Director

Common Stock

Value context
$141.01K
Reported price
$55.43 / share
Traded August 5, 2026Filed August 11, 2026SEC filing
Sale disclosed

Rex Lynn Davidson

Director

Common Stock

Reported value
$208.07K
Reported price
$56.48 / share
Traded August 10, 2026Filed August 11, 2026SEC filing
Exercise or conversion

Rex Lynn Davidson

Director

Employee Stock Option

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$28.20 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded August 5, 2026Filed August 11, 2026SEC filing
Exercise or conversion

Walter C. Johnsen

Chairman and CEO

Common Stock

Value context
$719.7K
Reported price
$23.99 / share
Traded July 29, 2026Filed July 31, 2026SEC filing
Tax or exercise withholding

Walter C. Johnsen

Chairman and CEO

Common Stock

Value context
$1.22M
Reported price
$59.90 / share
Traded July 29, 2026Filed July 31, 2026SEC filing
Exercise or conversion

Walter C. Johnsen

Chairman and CEO

Employee Stock Option

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$23.99 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded July 29, 2026Filed July 31, 2026SEC filing
Award disclosed

Walter C. Johnsen

Chairman and CEO

Employee Stock Option

Derivative security · not the ordinary share price.

Value context
$1.5M
Reported price
$59.90 / derivative unit
Traded July 29, 2026Filed July 31, 2026SEC filing
Award disclosed

Rex Lynn Davidson

Director

Employee Stock Option

Derivative security · not the ordinary share price.

Value context
$149.75K
Reported price
$59.90 / derivative unit
Traded July 29, 2026Filed July 31, 2026SEC filing
Award disclosed

Paul J. Conway

Director

Employee Stock Option

Derivative security · not the ordinary share price.

Value context
$149.75K
Reported price
$59.90 / derivative unit
Traded July 29, 2026Filed July 31, 2026SEC filing
Award disclosed

Brian Barker

Director

Employee Stock Option

Derivative security · not the ordinary share price.

Value context
$149.75K
Reported price
$59.90 / derivative unit
Traded July 29, 2026Filed July 31, 2026SEC filing
Award disclosed

Richmond Y. Holden Jr

Director

Employee Stock Option

Derivative security · not the ordinary share price.

Value context
$149.75K
Reported price
$59.90 / derivative unit
Traded July 29, 2026Filed July 31, 2026SEC filing
Award disclosed

Susan H. Murphy

Director

Employee Stock Option

Derivative security · not the ordinary share price.

Value context
$149.75K
Reported price
$59.90 / derivative unit
Traded July 29, 2026Filed July 31, 2026SEC filing
Exercise or conversion

Paul G. Driscoll

Chief Financial Officer

Common Stock

Value context
$373.8K
Reported price
$24.92 / share
Traded July 29, 2026Filed July 31, 2026SEC filing
Tax or exercise withholding

Paul G. Driscoll

Chief Financial Officer

Common Stock

Value context
$616.97K
Reported price
$59.90 / share
Traded July 29, 2026Filed July 31, 2026SEC filing
Exercise or conversion

Paul G. Driscoll

Chief Financial Officer

Employee Stock Option

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$24.92 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded July 29, 2026Filed July 31, 2026SEC filing
Award disclosed

Paul G. Driscoll

Chief Financial Officer

Employee Stock Option

Derivative security · not the ordinary share price.

Value context
$898.5K
Reported price
$59.90 / derivative unit
Traded July 29, 2026Filed July 31, 2026SEC filing
Award disclosed

Brian S. Olschan

President and COO

Employee Stock Option

Derivative security · not the ordinary share price.

Value context
$1.2M
Reported price
$59.90 / derivative unit
Traded July 29, 2026Filed July 31, 2026SEC filing
Exercise or conversion

Brian S. Olschan

President and COO

Common Stock

Value context
$793.1K
Reported price
$22.66 / share
Traded July 24, 2026Filed July 27, 2026SEC filing
Tax or exercise withholding

Brian S. Olschan

President and COO

Common Stock

Value context
$1.3M
Reported price
$53.94 / share
Traded July 24, 2026Filed July 27, 2026SEC filing
Exercise or conversion

Brian S. Olschan

President and COO

Employee Stock Option

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$22.66 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded July 24, 2026Filed July 27, 2026SEC filing
Exercise or conversion

Richmond Y. Holden Jr

Director

Common Stock

Value context
$31.8K
Reported price
$21.20 / share
Traded July 24, 2026Filed July 24, 2026SEC filing
Tax or exercise withholding

Richmond Y. Holden Jr

Director

Common Stock

Value context
$31.78K
Reported price
$52.45 / share
Traded July 24, 2026Filed July 24, 2026SEC filing
Exercise or conversion

Richmond Y. Holden Jr

Director

Common Stock

Value context
$41.33K
Reported price
$21.75 / share
Traded July 24, 2026Filed July 24, 2026SEC filing
Tax or exercise withholding

Richmond Y. Holden Jr

Director

Common Stock

Value context
$41.33K
Reported price
$52.45 / share
Traded July 24, 2026Filed July 24, 2026SEC filing
Exercise or conversion

Richmond Y. Holden Jr

Director

Employee Stock Option

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$21.20 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded July 24, 2026Filed July 24, 2026SEC filing
Exercise or conversion

Richmond Y. Holden Jr

Director

Employee Stock Option

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$21.75 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded July 24, 2026Filed July 24, 2026SEC filing
Gift disclosed

Walter C. Johnsen

Chairman and CEO

Common Stock

Value context
$246.37K
Reported price
$42.23 / share
Traded May 27, 2026Filed May 29, 2026SEC filing
Sale disclosed

Brian S. Olschan

President and COO

Common Stock

Reported value
$202.99K
Reported price
$42.00 / share
Traded May 28, 2026Filed May 29, 2026SEC filing
Exercise or conversion

Brian S. Olschan

President and COO

Common Stock

Value context
$498.4K
Reported price
$24.92 / share
Traded May 21, 2026Filed May 22, 2026SEC filing
Tax or exercise withholding

Brian S. Olschan

President and COO

Common Stock

Value context
$656.96K
Reported price
$43.21 / share
Traded May 21, 2026Filed May 22, 2026SEC filing
Exercise or conversion

Brian S. Olschan

President and COO

Employee Stock Option

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$24.92 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded May 21, 2026Filed May 22, 2026SEC filing
Exercise or conversion

Walter C. Johnsen

Chairman and CEO

Common Stock

Value context
$719.7K
Reported price
$23.99 / share
Traded May 13, 2026Filed May 15, 2026SEC filing
Tax or exercise withholding

Walter C. Johnsen

Chairman and CEO

Common Stock

Value context
$979.45K
Reported price
$40.53 / share
Traded May 13, 2026Filed May 15, 2026SEC filing
Exercise or conversion

Walter C. Johnsen

Chairman and CEO

Employee Stock Option

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$23.99 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded May 13, 2026Filed May 15, 2026SEC filing
Reporting insiderSecurity / transactionAmount / priceValueTraded / disclosedSource
President and COOCommon StockSale2 trades7,308avg $61.48 / share$449.31KAug 18Filed Aug 19 · 1d later
2 filings
  • 4,000 @ $61.36 · $245.44KSEC filing
  • 3,308 @ $61.63 · $203.87KSEC filing
President and COOCommon StockOption exercise or conversion20,000$19.48 / share$389.6KAug 13Filed Aug 17 · 4d laterSEC filing
President and COOCommon StockExercise-price or tax withholding12,692$60.77 / share$771.29KAug 13Filed Aug 17 · 4d laterSEC filing
President and COOEmployee Stock OptionOption exercise or conversionDerivative units20,000$19.48 exercise / conversion priceNot a separate purchaseAug 13Filed Aug 17 · 4d laterSEC filing
DirectorCommon StockSale3,821$60.50 / share$231.17KAug 13Filed Aug 17 · 4d laterSEC filing
DirectorCommon StockOption exercise or conversion4,000$21.20 / share$84.8KAug 11Filed Aug 12 · 1d laterSEC filing
DirectorCommon StockExercise-price or tax withholding1,479$57.35 / share$84.82KAug 11Filed Aug 12 · 1d laterSEC filing
DirectorEmployee Stock OptionOption exercise or conversionDerivative units4,000$21.20 exercise / conversion priceNot a separate purchaseAug 11Filed Aug 12 · 1d laterSEC filing
President and COOCommon StockSale1$58.00 / share$58Aug 3Filed Aug 12 · 9d laterSEC filing
President and COOCommon StockSale981$56.75 / share$55.67KAug 4Filed Aug 12 · 8d laterSEC filing
President and COOCommon StockSale4,000$55.51 / share$222.04KAug 5Filed Aug 12 · 7d laterSEC filing
President and COOCommon StockSale125$55.72 / share$6.97KAug 7Filed Aug 12 · 5d laterSEC filing
President and COOCommon StockSale5,304$57.07 / share$302.7KAug 10Filed Aug 12 · 2d laterSEC filing
President and COOCommon StockSale159$57.99 / share$9.22KAug 11Filed Aug 12 · 1d laterSEC filing
President and COOCommon StockSale339$58.39 / share$19.79KAug 12Filed Aug 12 · 0d laterSEC filing
DirectorCommon StockOption exercise or conversion5,000$28.20 / share$141KAug 5Filed Aug 11 · 6d laterSEC filing
DirectorCommon StockExercise-price or tax withholding2,544$55.43 / share$141.01KAug 5Filed Aug 11 · 6d laterSEC filing
DirectorCommon StockSale3,684$56.48 / share$208.07KAug 10Filed Aug 11 · 1d laterSEC filing
DirectorEmployee Stock OptionOption exercise or conversionDerivative units5,000$28.20 exercise / conversion priceNot a separate purchaseAug 5Filed Aug 11 · 6d laterSEC filing
Chairman and CEOCommon StockOption exercise or conversion30,000$23.99 / share$719.7KJul 29Filed Jul 31 · 2d laterSEC filing
Chairman and CEOCommon StockExercise-price or tax withholding20,361$59.90 / share$1.22MJul 29Filed Jul 31 · 2d laterSEC filing
Chairman and CEOEmployee Stock OptionOption exercise or conversionDerivative units30,000$23.99 exercise / conversion priceNot a separate purchaseJul 29Filed Jul 31 · 2d laterSEC filing
Chairman and CEOEmployee Stock OptionGrant or awardDerivative units25,000$59.90 / derivative unit$1.5MJul 29Filed Jul 31 · 2d laterSEC filing
DirectorEmployee Stock OptionGrant or awardDerivative units2,500$59.90 / derivative unit$149.75KJul 29Filed Jul 31 · 2d laterSEC filing
DirectorEmployee Stock OptionGrant or awardDerivative units2,500$59.90 / derivative unit$149.75KJul 29Filed Jul 31 · 2d laterSEC filing
DirectorEmployee Stock OptionGrant or awardDerivative units2,500$59.90 / derivative unit$149.75KJul 29Filed Jul 31 · 2d laterSEC filing
DirectorEmployee Stock OptionGrant or awardDerivative units2,500$59.90 / derivative unit$149.75KJul 29Filed Jul 31 · 2d laterSEC filing
DirectorEmployee Stock OptionGrant or awardDerivative units2,500$59.90 / derivative unit$149.75KJul 29Filed Jul 31 · 2d laterSEC filing
Chief Financial OfficerCommon StockOption exercise or conversion15,000$24.92 / share$373.8KJul 29Filed Jul 31 · 2d laterSEC filing
Chief Financial OfficerCommon StockExercise-price or tax withholding10,300$59.90 / share$616.97KJul 29Filed Jul 31 · 2d laterSEC filing
Chief Financial OfficerEmployee Stock OptionOption exercise or conversionDerivative units15,000$24.92 exercise / conversion priceNot a separate purchaseJul 29Filed Jul 31 · 2d laterSEC filing
Chief Financial OfficerEmployee Stock OptionGrant or awardDerivative units15,000$59.90 / derivative unit$898.5KJul 29Filed Jul 31 · 2d laterSEC filing
President and COOEmployee Stock OptionGrant or awardDerivative units20,000$59.90 / derivative unit$1.2MJul 29Filed Jul 31 · 2d laterSEC filing
President and COOCommon StockOption exercise or conversion35,000$22.66 / share$793.1KJul 24Filed Jul 27 · 3d laterSEC filing
President and COOCommon StockExercise-price or tax withholding24,091$53.94 / share$1.3MJul 24Filed Jul 27 · 3d laterSEC filing
President and COOEmployee Stock OptionOption exercise or conversionDerivative units35,000$22.66 exercise / conversion priceNot a separate purchaseJul 24Filed Jul 27 · 3d laterSEC filing
DirectorCommon StockOption exercise or conversion1,500$21.20 / share$31.8KJul 24Filed Jul 24 · 0d laterSEC filing
DirectorCommon StockExercise-price or tax withholding606$52.45 / share$31.78KJul 24Filed Jul 24 · 0d laterSEC filing
DirectorCommon StockOption exercise or conversion1,900$21.75 / share$41.33KJul 24Filed Jul 24 · 0d laterSEC filing
DirectorCommon StockExercise-price or tax withholding788$52.45 / share$41.33KJul 24Filed Jul 24 · 0d laterSEC filing
DirectorEmployee Stock OptionOption exercise or conversionDerivative units1,500$21.20 exercise / conversion priceNot a separate purchaseJul 24Filed Jul 24 · 0d laterSEC filing
DirectorEmployee Stock OptionOption exercise or conversionDerivative units1,900$21.75 exercise / conversion priceNot a separate purchaseJul 24Filed Jul 24 · 0d laterSEC filing
Chairman and CEOCommon StockGift5,834$42.23 / share$246.37KMay 27Filed May 29 · 2d laterSEC filing
President and COOCommon StockSale4,833$42.00 / share$202.99KMay 28Filed May 29 · 1d laterSEC filing
President and COOCommon StockOption exercise or conversion20,000$24.92 / share$498.4KMay 21Filed May 22 · 1d laterSEC filing
President and COOCommon StockExercise-price or tax withholding15,204$43.21 / share$656.96KMay 21Filed May 22 · 1d laterSEC filing
President and COOEmployee Stock OptionOption exercise or conversionDerivative units20,000$24.92 exercise / conversion priceNot a separate purchaseMay 21Filed May 22 · 1d laterSEC filing
Chairman and CEOCommon StockOption exercise or conversion30,000$23.99 / share$719.7KMay 13Filed May 15 · 2d laterSEC filing
Chairman and CEOCommon StockExercise-price or tax withholding24,166$40.53 / share$979.45KMay 13Filed May 15 · 2d laterSEC filing
Chairman and CEOEmployee Stock OptionOption exercise or conversionDerivative units30,000$23.99 exercise / conversion priceNot a separate purchaseMay 13Filed May 15 · 2d laterSEC filing

Congress transactions 0

All Congress filings
No disclosed congressional trades for ACU in the imported filings.

This reflects the filings imported so far, not a complete trading history.

Explore furtherTechnical lab Company financials Test a strategy Compare company

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
0000002098
Latest public acceptance
Aug 19, 2026, 08:30 PM UTC
Score calculated
Oct 8, 2026, 12:02 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.