Acme United director Murphy exercises 5,000 options

Net share settlement involved 2,110 shares delivered or withheld, while the reported post-exercise option balance was 26,500 shares.

Available on EDGAR 10/30/2026 - 04:30 PM EDT Accepted by SEC EDGAR 10/30/2026 - 04:30 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Acme United Corp. director Susan H. Murphy exercised options covering 5,000 common shares on October 29, 2026, at an exercise price of $28.20 per share. The exercise was effected on a net share settlement basis; 2,110 shares were delivered or withheld for payment of exercise price or tax liability, reported at $66.85 per share. Murphy directly held options covering 26,500 shares after the exercise, and no Rule 10b5-1 plan is reported.

Insider Trade Summary

5,000 shares exercised/converted

Exercise 3 txns

Insider MURPHY SUSAN H

Role Director

Type	Security	Shares	Price	Value
Exercise	Employee Stock Option	5,000	$28.20	$141K
Exercise	Common Stock	5,000	$28.20	$141K
Exercise Price or Tax Liability	Common Stock F1	2,110	$66.85	$141K

Holdings After Transaction: Employee Stock Option — 26,500 contracts (Direct); Common Stock — 8,857 shares (Direct)

Holdings Before and After: Employee Stock Option, 31,500 to 26,500 contracts (Direct); Common Stock, 5,967 to 8,857 shares (Direct)

Footnotes (1)

1. F1. The exercise of the subject option was effected on a net share settlement basis.

Key Figures

Employee stock options exercised: 5,000 options covering shares Exercise price: $28.20 per share Common shares acquired: 5,000 shares +4 more

7 metrics

Employee stock options exercised 5,000 options covering shares Exercise reported on October 29, 2026

Exercise price $28.20 per share Price for the option exercise reported on October 29, 2026

Common shares acquired 5,000 shares Acquired through the option exercise on October 29, 2026

Shares delivered or withheld 2,110 shares Reported in the net share settlement transaction

Reported price $66.85 per share Reported for the 2,110-share delivery or withholding transaction

Post-transaction options 26,500 shares Directly held following the October 29, 2026 exercise

Option expiration date August 2, 2027 Expiration date for the reported employee stock option

Key Terms

net share settlement, Employee Stock Option, exercise price

3 terms

net share settlement financial

"the option exercise on October 29, 2026"

Net share settlement is a way of paying for financial transactions using only the difference in shares rather than exchanging full amounts of stock or cash. It’s like settling a debt by giving someone the exact number of shares needed to balance the books, making trades quicker and simpler. This method helps reduce the number of shares changing hands, saving time and costs.

Employee Stock Option financial

"the 5,000-share option exercised on October 29, 2026"

An employee stock option is a promise that lets a worker buy company shares later at a predetermined price, often after they stay for a certain period or meet performance goals — think of it like a coupon that locks in today's price for a future purchase. It matters to investors because options align employees’ incentives with company performance, can increase the number of shares outstanding (dilution) when exercised, and represent a compensation cost that affects reported profits and shareholder value.

exercise price financial

"the option exercise at $28.20 per share"

The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.

FAQ

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

How many ACU shares did Susan H. Murphy acquire through the option exercise?

Susan H. Murphy exercised options covering 5,000 common shares on October 29, 2026, at an exercise price of $28.20 per share. The exercise used net share settlement, with 2,110 shares delivered or withheld for payment of exercise price or tax liability, reported at $66.85 per share. No Rule 10b5-1 plan is reported.

When do Susan H. Murphy's ACU options expire?

The options reported after Susan H. Murphy's exercise expire on August 2, 2027. The reported post-transaction balance was options covering 26,500 shares.

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

Form 4 Insider Transactions: What Each Field Means →

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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^*

MURPHY SUSAN H

(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
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/29/2026

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	10/29/2026	10/29/2026	M		5,000	A	$28.2	10,967	D
Common Stock	10/29/2026	10/29/2026	F		2,110(1)	D	$66.85	8,857	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
Employee Stock Option	$28.2	10/29/2026	10/29/2026	M			5,000	08/03/2017	08/02/2027	Common Stock	5,000	$28.2	26,500	D

Explanation of Responses:

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

	/s/ Susan H. Murphy	10/29/2026
	** 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)