ACME United executive sells 10,909 shares

ACME United Corp director and President/COO Brian S. Olschán reported a series of open-market or private sales of the company’s common stock.

Rhea-AI Filing Summary

ACME United Corp director and President/COO Brian S. Olschán reported a series of open-market or private sales of the company’s common stock. Between August 3 and August 12, 2026, he sold a total of 10,909 shares in seven transactions at reported per-share prices between $55.51 and $58.39. The Rule 10b5-1 trading plan checkbox was not marked as applicable, and post-transaction share holdings are not disclosed in this report.

Insider Trade Summary

Net Seller: 10,909 shares

Net Sell 7 txns

Insider OLSCHAN BRIAN S

Role President and COO

Sold 10,909 shs ($616K)

Type	Security	Shares	Price	Value
Sale	Common Stock	339	$58.39	$20K
Sale	Common Stock	159	$57.99	$9K
Sale	Common Stock	5,304	$57.07	$303K
Sale	Common Stock	125	$55.72	$7K
Sale	Common Stock	4,000	$55.51	$222K
Sale	Common Stock	981	$56.75	$56K
Sale	Common Stock	1	$58.00	$58.00

Holdings After Transaction: Common Stock — 41,172 shares (Direct)

Key Figures

Total shares sold: 10,909 shares Number of sale transactions: 7 Largest single sale: 5,304 shares at $57.07 per share +3 more

6 metrics

Total shares sold 10,909 shares Aggregate common stock sales reported for August 3–12, 2026

Number of sale transactions 7 Count of reported non-derivative sale transactions

Largest single sale 5,304 shares at $57.07 per share Common stock sale on 2026-08-10

Sale on 2026-08-12 339 shares at $58.39 per share Common stock sale near the end of the reported period

Sale on 2026-08-05 4,000 shares at $55.51 per share One of the larger reported transactions in the series

Net buy/sell direction -10,909 shares Net effect of all reported transactions was a net sale

Key Terms

Rule 10b5-1, open market or private transaction, non-derivative

3 terms

Rule 10b5-1 regulatory

"The Rule 10b5-1 trading plan checkbox was not marked as applicable."

Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

open market or private transaction financial

"Transaction code S is described as a sale in open market or private transaction."

non-derivative financial

"Each reported common stock sale is categorized as a non-derivative transaction."

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider activity did ACME United (ACU) report in this Form 4?

ACME United reported that Brian S. Olschán, its President, COO and director, sold 10,909 shares of common stock in seven open-market or private transactions between August 3 and August 12, 2026, at prices in the high-$50s per share.

How many ACME United (ACU) shares did Brian S. Olschán sell and over what period?

Brian S. Olschán sold a total of 10,909 common shares of ACME United. The transactions occurred over seven trading days from August 3 through August 12, 2026, according to the reported Form 4 data.

At what prices were the ACME United (ACU) insider stock sales executed?

The reported sales by Brian S. Olschán were executed at per-share prices including $55.51, $57.07, $57.99 and $58.39. Each transaction is listed with its specific price, reflecting trades in the mid-to-high $50s per share range.

Was the ACME United (ACU) insider sale under a Rule 10b5-1 trading plan?

The Form 4 indicates the Rule 10b5-1 checkbox was not affirmed, meaning these sales were not reported as being made pursuant to a pre-arranged 10b5-1 trading plan based on the document-level election.

What is Brian S. Olschán’s position at ACME United (ACU) in this Form 4?

Brian S. Olschán is identified as both a director and an officer of ACME United, holding the title President and COO. The reported sales therefore reflect trading activity by a senior executive and board member.

Does the Form 4 disclose Brian S. Olschán’s remaining ACME United (ACU) holdings?

The non-derivative transaction entries show no post-transaction share balances populated, so this Form 4 does not state Brian S. Olschán’s total ACME United common stock holdings after the reported sales.

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

Form 4 Insider Transactions: What Each Field Means →

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Available on EDGAR 08/12/2026 - 04:30 PM Accepted by SEC EDGAR 08/12/2026 - 04:30 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED 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)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President and COO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/03/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form 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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	08/03/2026	08/03/2026	S		1	D	$58	52,080	D
Common Stock	08/04/2026	08/04/2026	S		981	D	$56.75	51,099	D
Common Stock	08/05/2026	08/05/2026	S		4,000	D	$55.51	47,099	D
Common Stock	08/07/2026	08/07/2026	S		125	D	$55.72	46,974	D
Common Stock	08/10/2026	08/10/2026	S		5,304	D	$57.07	41,670	D
Common Stock	08/11/2026	08/11/2026	S		159	D	$57.99	41,511	D
Common Stock	08/12/2026	08/12/2026	S		339	D	$58.39	41,172	D

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	/s/ Brian S. Olschan	08/12/2026
	** Signature of Reporting Person	Date
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)