Pioneer Power Solutions, Inc. (PPSI) has 11 known insider and institutional holders on record. The largest holder is MAZUREK NATHAN with 1,976,496 shares. Other notable holders include A. LAWRENCE CARROLL TRUST and Michalec Wojciech.
Over the last 12 months, insiders have made 3 transactions in PPSI stock — 1 buys (valued at $33.87K) and 0 sells (valued at RSU Award). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
PPSI Insider Ownership
Top Holder
MAZUREK NATHAN
1,976,496 shares
Buys (12 mo)
1
$33.87K value
Sells (12 mo)
0
$0.00 value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Mazurek Nathan |
10 Percent Owner, Officer: Chief Executive Officer |
1,976,496 |
2025-11-20 |
|
| 2 |
A. Lawrence Carroll Trust |
10 Percent Owner |
946,000 |
2020-04-17 |
|
| 3 |
Michalec Wojciech |
Chief Financial Officer |
275,000 |
2025-05-02 |
|
| 4 |
Ross Ian |
Director |
22,500 |
2024-12-06 |
|
| 5 |
Tesler David |
Director |
10,000 |
2024-12-06 |
|
| 6 |
Klink Thomas |
Director |
10,000 |
2024-12-06 |
|
| 7 |
Whyte Kytchener Stevenson |
Director |
10,000 |
2024-12-06 |
|
| 8 |
Cohn Yossi |
Director |
10,000 |
2023-05-18 |
|
| 9 |
Tulkoff Jonathan |
Director |
10,000 |
2024-12-06 |
|
| 10 |
Minkow Andrew |
Chief Financial Officer |
5,568 |
2015-10-01 |
|
| 11 |
Landes David J. |
10 Percent Owner |
1,000 |
2018-04-04 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-03-02 |
Mazurek Nathan |
10 Percent Owner, Officer: Chief Executive Officer |
Option Exercise (Sell) |
1,000 |
$2.18 |
$2.18K |
| 2025-11-18 |
Mazurek Nathan |
10 Percent Owner, Officer: Chief Executive Officer |
Informative Buy |
10,000 |
$3.39 |
$33.87K |
| 2025-05-02 |
Michalec Wojciech |
Chief Financial Officer |
Tax Withholding of RSU |
25,000 |
$5.92 |
$148K |
