SEC Form 4 · Updated Daily
PPSI
— PIONEER POWER SOLUTIONS, INC. OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| Landes David J. | 10%+ Owner · Director | 4,560,000 | 2013-09-18 | — |
| Provident Pioneer Partners, L.P. | 10%+ Owner | 4,560,000 | 2013-09-18 | — |
| Provident Canada Corp. | 10%+ Owner | 4,560,000 | 2013-09-18 | — |
| MAZUREK NATHAN | 10%+ Owner · Director · Officer | 1,977,496 | 2026-03-02 | M |
| A. LAWRENCE CARROLL TRUST | 10%+ Owner | 946,000 | 2020-04-07 | — |
| Michalec Wojciech | Officer | 275,000 | 2025-05-02 | F |
| Klink Thomas | Director | 137,500 | 2024-10-18 | M |
| Tulkoff Jonathan | Director | 44,500 | 2024-10-22 | M |
| Cohn Yossi | Director | 23,500 | 2024-12-05 | M |
| Ross Ian | Director | 22,500 | 2024-12-04 | S |
| Tesler David | Director | 15,750 | 2021-12-01 | M |
| Minkow Andrew | Director · Officer | 5,568 | 2015-09-30 | P |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-03-02 | MAZUREK NATHAN | Option exercise (derivative) | 1,000 | $0.00 | 0 |
| 2026-03-02 | MAZUREK NATHAN | Option exercise | 1,000 | $2.18 | 1,977,496 |
| 2025-11-18 | MAZUREK NATHAN | Open-market buy | 10,000 | $3.39 | 1,976,496 |
| 2025-05-02 | Michalec Wojciech | Tax withholding | 25,000 | $5.92 | 275,000 |
| 2024-12-20 | Michalec Wojciech | Open-market sale | 13,040 | $4.09 | 300,000 |
| 2024-12-19 | Michalec Wojciech | Open-market sale | 1,960 | $4.12 | 313,040 |
| 2024-12-05 | Klink Thomas | Grant / award (derivative) | 10,000 | $0.00 | 10,000 |
| 2024-12-05 | Whyte Kytchener Stevenson | Grant / award (derivative) | 10,000 | $0.00 | 10,000 |
| 2024-12-05 | MAZUREK NATHAN | Grant / award (derivative) | 10,000 | $0.00 | 10,000 |
| 2024-12-05 | Michalec Wojciech | Grant / award | 50,000 | — | 315,000 |
| 2024-12-05 | Cohn Yossi | Grant / award (derivative) | 10,000 | $0.00 | 10,000 |
| 2024-12-05 | Cohn Yossi | Option exercise (derivative) | 1,000 | $0.00 | 0 |
| 2024-12-05 | Cohn Yossi | Option exercise | 1,500 | $3.17 | 23,500 |
| 2024-12-05 | Cohn Yossi | Option exercise | 10,000 | $3.31 | 22,000 |
| 2024-12-05 | Cohn Yossi | Option exercise | 10,000 | $1.68 | 12,000 |
| 2024-12-05 | Cohn Yossi | Option exercise | 1,000 | $3.68 | 2,000 |
| 2024-12-05 | Ross Ian | Grant / award (derivative) | 10,000 | $0.00 | 10,000 |
| 2024-12-05 | Tulkoff Jonathan | Grant / award (derivative) | 10,000 | $0.00 | 10,000 |
| 2024-12-05 | Tesler David | Grant / award (derivative) | 10,000 | $0.00 | 10,000 |
| 2024-12-04 | Ross Ian | Open-market sale | 1,000 | $6.01 | 22,500 |
| 2024-11-15 | Ross Ian | Option exercise (derivative) | 1,000 | $0.00 | 0 |
| 2024-11-15 | Ross Ian | Option exercise | 1,500 | $3.17 | 23,500 |
| 2024-11-15 | Ross Ian | Option exercise | 10,000 | $3.31 | 22,000 |
| 2024-11-15 | Ross Ian | Option exercise | 10,000 | $1.68 | 12,000 |
| 2024-11-15 | Ross Ian | Option exercise | 1,000 | $3.68 | 2,000 |
| 2024-10-22 | Tulkoff Jonathan | Option exercise (derivative) | 1,000 | $0.00 | 0 |
| 2024-10-22 | Tulkoff Jonathan | Option exercise | 10,000 | $5.25 | 44,500 |
| 2024-10-22 | Tulkoff Jonathan | Option exercise | 1,500 | $3.17 | 34,500 |
| 2024-10-22 | Tulkoff Jonathan | Option exercise | 10,000 | $3.31 | 33,000 |
| 2024-10-22 | Tulkoff Jonathan | Option exercise | 10,000 | $1.68 | 23,000 |
| 2024-10-22 | Tulkoff Jonathan | Option exercise | 1,000 | $5.60 | 13,000 |
| 2024-10-22 | Tulkoff Jonathan | Option exercise | 1,000 | $3.68 | 12,000 |
| 2024-10-22 | Michalec Wojciech | Option exercise (derivative) | 12,000 | $0.00 | 43,000 |
| 2024-10-22 | Michalec Wojciech | Option exercise (derivative) | 10,000 | $0.00 | 0 |
| 2024-10-22 | Michalec Wojciech | Tax withholding | 483 | $6.15 | 265,000 |
| 2024-10-22 | Michalec Wojciech | Option exercise | 3,000 | $3.17 | 265,483 |
| 2024-10-22 | Michalec Wojciech | Tax withholding | 1,842 | $6.15 | 262,483 |
| 2024-10-22 | Michalec Wojciech | Option exercise | 12,000 | $3.31 | 264,325 |
| 2024-10-22 | Michalec Wojciech | Tax withholding | 2,415 | $6.15 | 252,325 |
| 2024-10-22 | Michalec Wojciech | Option exercise | 10,000 | $1.68 | 254,740 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.