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Acme United COO Brian S. Olschan sells 2,444 shares

Acme United Corp. (ACU) President and COO Brian S. Olschan reported direct sales of 1,936 common shares on October 30, 2026, at $69.07 per share, and 508 common shares on October 29, 2026, at $69.16 per share.

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Form Type
4

Rhea-AI Filing Summary

Acme United Corp. (ACU) President and COO Brian S. Olschan reported direct sales of 1,936 common shares on October 30, 2026, at $69.07 per share, and 508 common shares on October 29, 2026, at $69.16 per share. The reported sales total 2,444 shares. No Rule 10b5-1 plan is reported.

Insider OLSCHAN BRIAN S
Role President and COO
Sold 2,444 shs ($169K)
Share of Position Sold 4.1%
Type Security Shares Price Value
Sale Common Stock 1,936 $69.07 $134K
Sale Common Stock 508 $69.16 $35K
Holdings After Transaction: Common Stock — 56,635 shares (Direct)
Holdings Before and After: Common Stock, 59,079 to 56,635 shares (Direct)
Other Insiders: 1 other insider reported open-market sales of this stock in the 30 days up to this filing.
Shares sold 2,444 shares Total across the two reported sales
Shares sold 1,936 shares October 30, 2026
Sale price $69.07 per share October 30, 2026
Shares sold 508 shares October 29, 2026
Sale price $69.16 per share October 29, 2026
Rule 10b5-1 plan regulatory
"No Rule 10b5-1 plan is reported"
A Rule 10b5-1 plan is a prearranged, written schedule that lets corporate insiders buy or sell company stock at set times or amounts, even if they later learn material nonpublic information. Think of it like setting an automatic thermostat for trades: it creates a clear record that trades were planned in advance, reducing the risk of insider-trading accusations and helping investors trust that insider transactions are routine rather than based on secret information.
non-derivative financial
"non-derivative Common Stock sale"
direct ownership financial
"reported direct sales"

FAQ

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How many shares did ACU President and COO Brian S. Olschan sell?

Brian S. Olschan, Acme United Corp.'s President and COO, reported direct sales of 508 shares on October 29, 2026, at $69.16 per share, and 1,936 shares on October 30, 2026, at $69.07 per share. The reported sales total 2,444 shares, and no Rule 10b5-1 plan is reported.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
OLSCHAN BRIAN S

(Last)(First)(Middle)
1 WATERVIEW DRIVE

(Street)
SHELTON CONNECTICUT 06484

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
ACME UNITED CORP [ ACU ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
XOfficer (give title below)Other (specify below)
President and COO
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
10/29/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock10/29/202610/29/2026S508D$69.1658,571D
Common Stock10/30/202610/30/2026S1,936D$69.0756,635D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
/s/ Brian S. Olschan11/02/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

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