Brian S. Olschan - 21 May 2026 Form 4 Insider Report for ACME UNITED CORP (ACU)

Reporting relationship: President and COO, Director
Issuer ticker: ACU
Reported as of: 21 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 22 May 2026, 17:00:08 UTC
Prior SEC filing: 03 Mar 2026
Next SEC filing: 29 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Brian S. Olschan

Key filing fact

Brian S. Olschan filed Form 4 for ACME UNITED CORP (ACU) on 22 May 2026.

Key facts

This page summarizes Brian S. Olschan's Form 4 filing for ACME UNITED CORP (ACU).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 22 May 2026, 17:00.

Change

Previous filing in this sequence was filed on 03 Mar 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001213244 Primary reporting owner

OLSCHAN BRIAN S

Relationship: President and COO, Director
Address: 1 WATERVIEW DRIVE, SHELTON
Signature: /s/ Brian S. Olschan
Signature date: 22 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ACU transaction

Common Stock

Options Exercise

Transaction value
Shares: +20,000
Change %: +49%
Price: $24.92^*
Shares after: 61,209
Date: 21 May 2026
Ownership: Direct

ACU transaction

Common Stock

Tax liability

Transaction value
Shares: -15,204
Change %: -25%
Price: $43.21^*
Shares after: 46,005
Date: 21 May 2026
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

ACU transaction Derivative

Employee Stock Option

Options Exercise

Transaction value
Shares: -20,000
Change %: -7.6%
Price: $24.92^*
Shares after: 241,700
Date: 21 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 20,000
Exercise price: $24.92

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

The exercise of the subject option was effected on a net share settlement basis.

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