Alpha Pro Tech director sells 6,971 shares

The 15,000 time-based RSUs vest in full on the third anniversary of the grant, subject to the Plan award agreement.

Rhea-AI Filing Summary

Alpha Pro Tech Ltd (APT) director and 10% owner Donna Millar reported three transactions on September 28, 2026: a grant of 15,000 time-based RSUs; 8,029 shares withheld for taxes in connection with vesting of RSUs granted September 28, 2023; and a sale of 6,971 shares directly to the issuer under its share repurchase program at $5.04 per share. No Rule 10b5-1 plan is reported.

Insider Trade Summary

Net Seller: 6,971 shares

Net Sell 3 txns

Insider Millar Donna

Role Director, 10% Owner

Sold 6,971 shs ($35K)

Type	Security	Shares	Price	Value
Tax Withholding	common stock F1	8,029	$5.04	$40K
Sale	common stock F2	6,971	$5.04	$35K
Grant/Award	common stock F3	15,000	$5.04	$76K

Holdings After Transaction: common stock — 1,299,603 shares (Direct)

Footnotes (3)

1. F1. Represents the withholding of shares for tax purposes in connection with the vesting of time-based restricted stock units granted to the reporting person on September 28, 2023.
2. F2. On September 28, 2026, the issuer purchased 6,971 shares directly from the reporting person under the issuer's share repurchase program. The per-share price was based on the closing price of the issuer's stock as of the transaction date. The transaction was approved by the issuer's Compensation Committee in accordance with Rule 16b-3(d)(1) of the Securities Exchange Act of 1934, as amended (the "Act"), and as such, is exempt from Section 16(b) of the Act pursuant to Rule 16b-3(e) promulgated thereunder.
3. F3. Represents shares of time-based restricted stock units ("RSUs") granted under the Alpha Pro Tech, Ltd. 2020 Omnibus Plan (the "Plan") that will vest in full on the third anniversary of the grant date, subject to the terms of the Plan award agreement.

Key Figures

RSUs granted: 15,000 RSUs Tax-withheld shares: 8,029 shares Shares sold: 6,971 shares +1 more

4 metrics

RSUs granted 15,000 RSUs Time-based RSUs granted September 28, 2026

Tax-withheld shares 8,029 shares Withheld in connection with vesting of time-based RSUs granted September 28, 2023

Shares sold 6,971 shares Sold directly to the issuer under its share repurchase program on September 28, 2026

Sale price $5.04 per share Price for the September 28, 2026 sale to the issuer

Key Terms

time-based restricted stock units, share repurchase program, Rule 16b-3(d)(1), Section 16(b)

4 terms

time-based restricted stock units technical

"vesting of time-based restricted stock units granted"

Time-based restricted stock units are a form of employee compensation where individuals are granted company shares that are earned over a set period, often as a reward for staying with the company. These shares typically become fully owned and transferable only after passing specific time milestones, encouraging long-term commitment. For investors, they highlight a company's focus on employee retention and can influence future stock supply and company stability.

share repurchase program financial

"under the issuer's share repurchase program"

A share repurchase program is when a company buys back its own shares from the marketplace. This reduces the total number of shares available, which can increase the value of each remaining share and signal confidence in the company's prospects. For investors, it often suggests that the company believes its stock is undervalued or that it has extra cash to return to shareholders.

Rule 16b-3(d)(1) regulatory

"approved in accordance with Rule 16b-3(d)(1)"

Section 16(b) regulatory

"exempt from Section 16(b) of the Act"

A federal rule that requires company insiders—like officers, directors and large shareholders—to return any profits made from buying and selling the company’s stock within a six-month window. It matters to investors because it discourages short-term trades that could exploit non-public information and helps protect outside shareholders by creating a simple, enforceable way to recover unfair gains, much like a rule stopping someone from flipping a limited-edition item for quick profit after getting early access.

FAQ

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

How many APT shares did Donna Millar sell, and at what price?

Donna Millar sold 6,971 shares directly to Alpha Pro Tech Ltd under its share repurchase program on September 28, 2026, at $5.04 per share. The issuer's Compensation Committee approved the transaction in accordance with Rule 16b-3(d)(1); no Rule 10b5-1 plan is reported.

When do Donna Millar's APT RSUs vest?

The 15,000 time-based RSUs granted on September 28, 2026 vest in full on the third anniversary of the grant date, subject to the terms of the Plan award agreement.

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

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Available on EDGAR 09/30/2026 - 05:15 PM Accepted by SEC EDGAR 09/30/2026 - 05:14 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^*

Millar Donna

(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	X	10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/28/2026

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	09/28/2026		F(1)		8,029	D	$5.04	1,291,574	D
common stock	09/28/2026		S(2)		6,971	D	$5.04	1,284,603	D
common stock	09/28/2026		A(3)		15,000	A	$5.04	1,299,603	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:

1. Represents the withholding of shares for tax purposes in connection with the vesting of time-based restricted stock units granted to the reporting person on September 28, 2023.

2. On September 28, 2026, the issuer purchased 6,971 shares directly from the reporting person under the issuer's share repurchase program. The per-share price was based on the closing price of the issuer's stock as of the transaction date. The transaction was approved by the issuer's Compensation Committee in accordance with Rule 16b-3(d)(1) of the Securities Exchange Act of 1934, as amended (the "Act"), and as such, is exempt from Section 16(b) of the Act pursuant to Rule 16b-3(e) promulgated thereunder.

3. Represents shares of time-based restricted stock units ("RSUs") granted under the Alpha Pro Tech, Ltd. 2020 Omnibus Plan (the "Plan") that will vest in full on the third anniversary of the grant date, subject to the terms of the Plan award agreement.

	/s/ Donna Millar	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)