Alpha Pro Tech director sells 23,886 shares

Alpha Pro Tech director Charles D. Montgomery reported selling a total of 23,886 shares of common stock in open-market transactions on May 11–12, 2026.

The filer has since corrected this document, so the figures below are the ones originally reported and some of them may have changed. Read the amended Form 4/A for what the company says now.

Rhea-AI Filing Summary

Alpha Pro Tech director Charles D. Montgomery reported selling a total of 23,886 shares of common stock in open-market transactions on May 11–12, 2026. Sale prices ranged from $6.04 to $7.03 per share. After these sales, he directly owns 25,281 shares of Alpha Pro Tech common stock.

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 — 25,281 shares (Direct)

Key Figures

Total shares sold: 23,886 shares Sale price range: $6.04–$7.03 per share Shares held after transactions: 25,281 shares +2 more

5 metrics

Total shares sold 23,886 shares Open-market sales of Alpha Pro Tech common stock on May 11–12, 2026

Sale price range $6.04–$7.03 per share Prices for reported common stock sales on May 11–12, 2026

Shares held after transactions 25,281 shares Direct ownership after final May 12, 2026 sale

Largest single trade size 5,000 shares Size of each of four sale transactions on May 12, 2026

Smallest trade size 3,886 shares Single sale on May 11, 2026 at $7.03 per share

Key Terms

open-market sale, transaction code, common stock

3 terms

open-market sale financial

"Each transaction is classified as an open-market sale of common stock."

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

transaction code financial

"The filing uses transaction code "S" for each sale entry."

common stock financial

"All reported trades involve Alpha Pro Tech common stock."

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

FAQ

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

What insider activity did Charles D. Montgomery report for ALPHA PRO TECH (APT)?

Director Charles D. Montgomery reported selling 23,886 shares of Alpha Pro Tech common stock. The transactions were open-market sales disclosed on a Form 4, reflecting routine insider trading activity rather than any change in his role at the company.

How many ALPHA PRO TECH (APT) shares did Charles D. Montgomery sell and at what prices?

Montgomery sold a total of 23,886 shares of Alpha Pro Tech common stock. Individual trades priced between $6.04 and $7.03 per share, with 5,000-share blocks at several prices and a 3,886-share block at $7.03 per share.

Over what dates did the ALPHA PRO TECH (APT) insider sales by Charles D. Montgomery occur?

The reported insider sales occurred on May 11 and May 12, 2026. One 3,886-share trade was executed on May 11, 2026, and four 5,000-share trades followed on May 12, 2026, all involving Alpha Pro Tech common stock.

How many ALPHA PRO TECH (APT) shares does Charles D. Montgomery hold after these sales?

Following the reported transactions, Montgomery directly holds 25,281 shares of Alpha Pro Tech common stock. This figure comes from the Form 4 data showing total shares following the last May 12, 2026 sale recorded in the filing.

Were Charles D. Montgomery’s ALPHA PRO TECH (APT) share sales open-market transactions?

Yes. Each transaction is identified as an open-market sale of Alpha Pro Tech common stock. The filing uses transaction code “S” and describes the activity as sales in the open market or private transactions at specified share prices.

How many separate insider sale transactions did ALPHA PRO TECH (APT) director Charles D. Montgomery report?

Montgomery reported five separate sale transactions in Alpha Pro Tech common stock. Four trades involved 5,000 shares each at prices between $6.04 and $6.35, and one trade involved 3,886 shares at a price of $7.03 per share.

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

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 05/13/2026 - 03:02 PM EDT 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)

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	45,281	D
common stock	05/12/2026		S		5,000	D	$6.28	40,281	D
common stock	05/12/2026		S		5,000	D	$6.35	35,281	D
common stock	05/12/2026		S		5,000	D	$6.33	30,281	D
common stock	05/12/2026		S		5,000	D	$6.04	25,281	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:

	/s/ Charles Montgomery	05/13/2026
	** 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)