Alpha Pro Tech, Ltd. (APT) received an amended ownership report showing that Needham Investment Management L.L.C., Needham Asset Management, LLC, Needham Aggressive Growth Fund, and George A. Needham beneficially own 642,500 shares of common stock, equal to 6.2% of the class as of 12/31/2025.
All four reporting persons report shared voting and dispositive power over these 642,500 shares and no sole voting or dispositive power. The securities are directly owned by advisory clients of Needham Investment Management, including Needham Aggressive Growth Fund. The filers certify the holdings are not intended to change or influence control of Alpha Pro Tech.
Positive
None.
Negative
None.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 1)
Alpha Pro Tech, Ltd.
(Name of Issuer)
Common Stock, par value $0.01 per share
(Title of Class of Securities)
020772109
(CUSIP Number)
12/31/2025
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Rule 13d-1(b)
Rule 13d-1(c)
Rule 13d-1(d)
SCHEDULE 13G
CUSIP No.
020772109
1
Names of Reporting Persons
NEEDHAM INVESTMENT MANAGEMENT L.L.C.
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
642,500.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
642,500.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
642,500.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
6.2 %
12
Type of Reporting Person (See Instructions)
IA, OO
SCHEDULE 13G
CUSIP No.
020772109
1
Names of Reporting Persons
NEEDHAM ASSET MANAGEMENT, LLC
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
642,500.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
642,500.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
642,500.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
6.2 %
12
Type of Reporting Person (See Instructions)
HC, OO
SCHEDULE 13G
CUSIP No.
020772109
1
Names of Reporting Persons
NEEDHAM AGGRESSIVE GROWTH FUND
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
642,500.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
642,500.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
642,500.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
6.2 %
12
Type of Reporting Person (See Instructions)
IV, OO
SCHEDULE 13G
CUSIP No.
020772109
1
Names of Reporting Persons
GEORGE A. NEEDHAM
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
UNITED STATES
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
642,500.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
642,500.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
642,500.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
6.2 %
12
Type of Reporting Person (See Instructions)
HC, IN
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
Alpha Pro Tech, Ltd.
(b)
Address of issuer's principal executive offices:
53 Wellington Street East, Aurora, Ontario, Canada L4G 1H6
Item 2.
(a)
Name of person filing:
Needham Investment Management L.L.C.
Needham Asset Management, LLC
Needham Aggressive Growth Fund
George A. Needham
(b)
Address or principal business office or, if none, residence:
Needham Investment Management L.L.C.
250 Park Avenue, 10th Floor
New York, New York 10117-1099
United States of America
Needham Asset Management, LLC
c/o Needham Investment Management L.L.C.
250 Park Avenue, 10th Floor
New York, New York 10117-1099
United States of America
Needham Aggressive Growth Fund
c/o Needham Investment Management L.L.C.
250 Park Avenue, 10th Floor
New York, New York 10117-1099
United States of America
George A. Needham
c/o Needham Investment Management L.L.C.
250 Park Avenue, 10th Floor
New York, New York 10117-1099
United States of America
(c)
Citizenship:
Needham Investment Management L.L.C. - Delaware
Needham Asset Management, LLC - Delaware
Needham Aggressive Growth Fund - Delaware
George A. Needham - United States
(d)
Title of class of securities:
Common Stock, par value $0.01 per share
(e)
CUSIP No.:
020772109
Item 3.
If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)
Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)
Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)
Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)
Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)
An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)
An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)
A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)
A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)
A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)
A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution:
(k)
Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.
Ownership
(a)
Amount beneficially owned:
Needham Investment Management L.L.C. - 642,500
Needham Asset Management, LLC - 642,500
Needham Aggressive Growth Fund - 642,500
George A. Needham - 642,500
(b)
Percent of class:
Needham Investment Management L.L.C. - 6.2%
Needham Asset Management, LLC - 6.2%
Needham Aggressive Growth Fund - 6.2%
George A. Needham - 6.2%
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
Needham Investment Management L.L.C. - 0
Needham Asset Management, LLC - 0
Needham Aggressive Growth Fund - 0
George A. Needham - 0
(ii) Shared power to vote or to direct the vote:
Needham Investment Management L.L.C. - 642,500
Needham Asset Management, LLC - 642,500
Needham Aggressive Growth Fund - 642,500
George A. Needham - 642,500
(iii) Sole power to dispose or to direct the disposition of:
Needham Investment Management L.L.C. - 0
Needham Asset Management, LLC - 0
Needham Aggressive Growth Fund - 0
George A. Needham - 0
(iv) Shared power to dispose or to direct the disposition of:
Needham Investment Management L.L.C. - 642,500
Needham Asset Management, LLC - 642,500
Needham Aggressive Growth Fund - 642,500
George A. Needham - 642,500
Item 5.
Ownership of 5 Percent or Less of a Class.
Not Applicable
Item 6.
Ownership of more than 5 Percent on Behalf of Another Person.
If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required.
All of the securities reported in this Schedule 13G are directly owned by advisory clients of Needham Investment Management, L.L.C. None of those advisory clients, other than Needham Aggressive Growth Fund, may be deemed to beneficially own more than 5% of the Common Stock, $0.01 par value
Item 7.
Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary.
Please see Exhibit B attached hereto.
Item 8.
Identification and Classification of Members of the Group.
Not Applicable
Item 9.
Notice of Dissolution of Group.
Not Applicable
Item 10.
Certifications:
By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
NEEDHAM INVESTMENT MANAGEMENT L.L.C.
Signature:
By: /s/ James W. Giangrasso
Name/Title:
James W. Giangrasso, Chief Financial Officer
Date:
02/13/2026
NEEDHAM ASSET MANAGEMENT, LLC
Signature:
By: /s/ James W. Giangrasso
Name/Title:
James W. Giangrasso, Authorized Person
Date:
02/13/2026
NEEDHAM AGGRESSIVE GROWTH FUND
Signature:
By: /s/ James W. Giangrasso
Name/Title:
James W. Giangrasso, Authorized Person
Date:
02/13/2026
GEORGE A. NEEDHAM
Signature:
By: /s/ George A. Needham
Name/Title:
George A. Needham
Date:
02/13/2026
Comments accompanying signature: * Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of his, her or its pecuniary interest therein, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.
To the extent that "ownership of 5 percent or less of a class" was indicated in Item 5, such response only applies to the Reporting Person(s) that indicated elsewhere herein that it beneficially owns five percent (5%) or less of the class.
Exhibit Information
Exhibit A - Joint Filing Agreement
Exhibit B - Control Person Identification
What percentage of Alpha Pro Tech (APT) does the Needham group report owning?
The Needham entities and George A. Needham report beneficial ownership of 6.2% of Alpha Pro Tech’s common stock. This corresponds to 642,500 shares of common stock as of December 31, 2025, according to the Schedule 13G/A ownership disclosure filing.
How many Alpha Pro Tech (APT) shares are beneficially owned by the Needham filers?
The filing states that the Needham filers beneficially own 642,500 shares of Alpha Pro Tech common stock. This ownership is reported consistently for each of Needham Investment Management, Needham Asset Management, Needham Aggressive Growth Fund, and George A. Needham in the Schedule 13G/A.
Do the Needham filers have sole or shared voting power over APT shares?
The Needham filers report no sole voting or dispositive power over Alpha Pro Tech shares. They instead disclose shared voting power and shared dispositive power over 642,500 shares, reflecting their role in managing securities held for advisory clients.
Who directly owns the Alpha Pro Tech (APT) shares reported in this Schedule 13G/A?
The filing explains that all reported Alpha Pro Tech securities are directly owned by advisory clients of Needham Investment Management L.L.C.. Among those clients, Needham Aggressive Growth Fund may be deemed to beneficially own more than five percent of the company’s common stock.
Is the Needham group seeking to influence control of Alpha Pro Tech (APT)?
The filers certify that the securities were not acquired and are not held to change or influence control of Alpha Pro Tech. They also state the holdings are not part of any transaction undertaken with that purpose or effect, consistent with a passive ownership filing.
Which entities are listed as reporting persons in the Alpha Pro Tech (APT) Schedule 13G/A?
The reporting persons are Needham Investment Management L.L.C., Needham Asset Management, LLC, Needham Aggressive Growth Fund, and George A. Needham. Each reports the same 642,500 beneficially owned shares and 6.2% ownership of Alpha Pro Tech’s common stock.
