Over the 90-day window ending February 19, 2026, Pioneer Power Solutions's three dominant insider ownership positions are held by Chief Executive Officer Nathan Mazurek (1.98Mn shares), Chief Financial Officer Wojciech Michalec (275.00K shares), Director Thomas Klink (137.50K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Nathan Mazurek | Chief Executive Officer | 1,976,496 | 20 Nov, 2025 |
| Wojciech Michalec | Chief Financial Officer | 275,000 | 02 May, 2025 |
| Thomas Klink | 137,500 | 22 Oct, 2024 | |
| Jonathan Tulkoff | 44,500 | 24 Oct, 2024 | |
| Yossi Cohn | 23,500 | 06 Dec, 2024 | |
| Ian Ross | 22,500 | 06 Dec, 2024 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 18 Nov, 2025 | Nathan Mazurek | Common Stock, par value $0.001 per share | A | 10,000 | $3.39 | 1,976,496 | D | P |
| 02 May, 2025 | Wojciech Michalec | Common Stock, par value $0.001 per share | D | 25,000 | $5.92 | 275,000 | D | F |
| 02 May, 2025 | Wojciech Michalec | - | - | 275,000 | D | |||
| 20 Dec, 2024 | Wojciech Michalec | Common Stock, par value $0.001 per share | D | 13,040 | $4.09 | 300,000 | D | S |
| 19 Dec, 2024 | Wojciech Michalec | Common Stock, par value $0.001 per share | D | 1,960 | $4.12 | 313,040 | D | S |
| 05 Dec, 2024 | Yossi Cohn | - | - | 23,500 | D | |||
| 05 Dec, 2024 | Yossi Cohn | - | - | 22,000 | D | |||
| 05 Dec, 2024 | Yossi Cohn | - | - | 12,000 | D | |||
| 05 Dec, 2024 | Yossi Cohn | Common Stock, par value $0.001 per share | A | 10,000 | $3.31 | 22,000 | D | M |
| 05 Dec, 2024 | Yossi Cohn | Common Stock, par value $0.001 per share | A | 1,000 | $3.68 | 2,000 | D | M |
| 05 Dec, 2024 | Yossi Cohn | - | - | 2,000 | D | |||
| 05 Dec, 2024 | Yossi Cohn | Common Stock, par value $0.001 per share | A | 10,000 | $1.68 | 12,000 | D | M |
| 05 Dec, 2024 | Yossi Cohn | Common Stock, par value $0.001 per share | A | 1,500 | $3.17 | 23,500 | D | M |
| 05 Dec, 2024 | Wojciech Michalec | Common Stock, par value $0.001 per share | A | 50,000 | - | 315,000 | D | A |
| 04 Dec, 2024 | Ian Ross | COMMON STOCK, PAR VALUE $0.001 PER SHARE | D | 1,000 | $6.01 | 22,500 | D | S |
| 15 Nov, 2024 | Ian Ross | Common Stock, par value $0.001 per share | A | 10,000 | $3.31 | 22,000 | D | M |
| 15 Nov, 2024 | Ian Ross | - | - | 22,000 | D | |||
| 15 Nov, 2024 | Ian Ross | - | - | 23,500 | D | |||
| 15 Nov, 2024 | Ian Ross | Common Stock, par value $0.001 per share | A | 1,000 | $3.68 | 2,000 | D | M |
| 15 Nov, 2024 | Ian Ross | Common Stock, par value $0.001 per share | A | 10,000 | $1.68 | 12,000 | D | M |