Alpha Pro Tech corrects director's reported holdings

The director’s transactions span two dates, while the amendment corrects the omission of unvested restricted stock units from direct holdings.

This filing corrects an earlier one, and you can read the original Form 4 if you want to see what changed.

Rhea-AI Filing Summary

Alpha Pro Tech Ltd (APT) director Charles D. Montgomery reported direct sales of 23,886 common shares on May 11 and May 12, 2026. The sales comprised 3,886 shares at $7.03 per share on May 11 and four 5,000-share transactions on May 12 at $6.28, $6.35, $6.33 and $6.04 per share. No Rule 10b5-1 plan is reported.

The amendment corrects an administrative error in the May 13, 2026 report that omitted unvested restricted stock units from Montgomery’s direct holdings.

Insider Trade Summary

Net Seller: 23,886 shares

Net Sell 5 txns

Insider MONTGOMERY CHARLES D

Role Director

Sold 23,886 shs ($152K)

Type	Security	Shares	Price	Value
Sale	common stock	5,000	$6.28	$31K
Sale	common stock	5,000	$6.35	$32K
Sale	common stock	5,000	$6.33	$32K
Sale	common stock	5,000	$6.04	$30K
Sale	common stock	3,886	$7.03	$27K

Holdings After Transaction: common stock — 60,281 shares (Direct)

Key Figures

Total shares sold: 23,886 shares Shares sold: 3,886 shares Shares sold: 5,000 shares +3 more

6 metrics

Total shares sold 23,886 shares Across five transactions on May 11 and May 12, 2026

Shares sold 3,886 shares May 11, 2026; $7.03 per share

Shares sold 5,000 shares May 12, 2026; $6.28 per share

Shares sold 5,000 shares May 12, 2026; $6.35 per share

Shares sold 5,000 shares May 12, 2026; $6.33 per share

Shares sold 5,000 shares May 12, 2026; $6.04 per share

Key Terms

unvested restricted stock units, direct holdings, non-derivative

3 terms

unvested restricted stock units financial

"omitted the reporting persons unvested restricted stock units"

direct holdings financial

"administrative error in the reporting persons direct holdings"

non-derivative financial

"common stock; transaction type: non-derivative"

FAQ

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

How many APT shares did Charles D. Montgomery sell, and at what prices?

Charles D. Montgomery, a director, reported direct sales of 23,886 common shares on May 11 and May 12, 2026. The 3,886 shares sold on May 11 were priced at $7.03 per share; four 5,000-share transactions on May 12 were priced at $6.28, $6.35, $6.33 and $6.04 per share.

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 09/30/2026 - 05:39 PM Accepted by SEC EDGAR 09/30/2026 - 05:38 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^*

MONTGOMERY CHARLES D

(Last) (First) (Middle)

53 WELLINGTON STREET EAST

(Street)

AURORA L4G 1H6

(City) (State) (Zip)

ONTARIO, CANADA

(Country)

2. Issuer Name and Ticker or Trading Symbol
ALPHA PRO TECH LTD [ APT ]

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)
05/11/2026

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)
05/13/2026

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	05/11/2026		S		3,886	D	$7.03	80,281	D
common stock	05/12/2026		S		5,000	D	$6.28	75,281	D
common stock	05/12/2026		S		5,000	D	$6.35	70,281	D
common stock	05/12/2026		S		5,000	D	$6.33	65,281	D
common stock	05/12/2026		S		5,000	D	$6.04	60,281	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:

Remarks:

This amendment is being filed solely to reflect an administrative error in the reporting persons direct holdings, which inadvertently omitted the reporting persons unvested restricted stock units, on the May 13, 2026 filing.

	/s/ Charles Montgomery	09/30/2026
	** 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)