Key facts
- This page summarizes Brian S. Olschan's Form 4 filing for ACME UNITED CORP (ACU).
- 9 reported transactions and 3 derivative rows are listed below.
- Accepted by SEC: 28 Oct 2026, 16:30.
Brian S. Olschan - 28 Oct 2026 Form 4 Insider Report for ACME UNITED CORP (ACU)
- Reporting relationship
- President and COO, Director
- Issuer ticker
- ACU
- Reported as of
- 28 Oct 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 28 Oct 2026, 16:30:10 UTC
- Prior SEC filing
- 19 Aug 2026
- Next SEC filing
- 02 Nov 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Brian S. Olschan
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Filing notes and source
Key filing fact
Brian S. Olschan filed Form 4 for ACME UNITED CORP (ACU) on 28 Oct 2026.
Change
- Previous filing in this sequence was filed on 19 Aug 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
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
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
- 28 Oct 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
- +35,000
- Change %
- +85%
- Price
- $23.05*
- Shares after
- 76,172
- Date
- 28 Oct 2026
- Ownership
- Direct
ACU
transaction
Common Stock
Tax liability
- Transaction value
- Shares
- -27,702
- Change %
- -36%
- Price
- $65.78*
- Shares after
- 48,470
- Date
- 28 Oct 2026
- Ownership
- Direct
- Footnotes
- F1
ACU
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +9,200
- Change %
- +19%
- Price
- $23.94*
- Shares after
- 57,670
- Date
- 28 Oct 2026
- Ownership
- Direct
ACU
transaction
Common Stock
Tax liability
- Transaction value
- Shares
- +3,348
- Change %
- +6.6%
- Price
- $65.78*
- Shares after
- 54,322
- Date
- 28 Oct 2026
- Ownership
- Direct
- Footnotes
- F1
ACU
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +7,500
- Change %
- +14%
- Price
- $24.06*
- Shares after
- 61,822
- Date
- 28 Oct 2026
- Ownership
- Direct
ACU
transaction
Common Stock
Tax liability
- Transaction value
- Shares
- -2,743
- Change %
- -4.4%
- Price
- $65.78*
- Shares after
- 59,079
- Date
- 28 Oct 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
- -35,000
- Change %
- -17%
- Price
- $23.05*
- Shares after
- 171,700
- Date
- 28 Oct 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 35,000
- Exercise price
- $23.05
ACU
transaction
Derivative
Employee Stock Option
Options Exercise
- Transaction value
- Shares
- -9,200
- Change %
- -5.4%
- Price
- $23.94*
- Shares after
- 162,500
- Date
- 28 Oct 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 9,200
- Exercise price
- $23.94
ACU
transaction
Derivative
Employee Stock Option
Options Exercise
- Transaction value
- Shares
- -7,500
- Change %
- -4.6%
- Price
- $24.06*
- Shares after
- 155,000
- Date
- 28 Oct 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 7,500
- Exercise price
- $24.06
* 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.