MAZUREK NATHAN - 18 Nov 2025 Form 4 Insider Report for PIONEER POWER SOLUTIONS, INC. (PPSI)

Role: Chief Executive Officer, Director, 10%+ Owner
Signature: /s/ Walter Michalec, attorney-in-fact
Issuer symbol: PPSI
Transactions as of: 18 Nov 2025
Net transactions value: +$33,870
Form type: 4
Filing time: 20 Nov 2025, 16:05:04 UTC
Previous filing: 06 Dec 2024
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
MAZUREK NATHAN	Chief Executive Officer, Director, 10%+ Owner	C/O PIONEER POWER SOLUTIONS, INC., 400 KELBY STREET, 12TH FLOOR, FORT LEE	/s/ Walter Michalec, attorney-in-fact	20 Nov 2025	0001241562

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	PPSI	Common Stock, par value $0.001 per share	Purchase	$33,870	+10,000	+0.51%	$3.39	1,976,496	18 Nov 2025	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $3.33 to $3.45, inclusive. The reporting person undertakes to provide to the Issuer, any security holder, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (1) to this Form 4.

Content

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $3.33 to $3.45, inclusive. The reporting person undertakes to provide to the Issuer, any security holder, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (1) to this Form 4.