Pioneer Power Solutions Inc.
Last updated September 27, 2026
Organization details
- Legal name
- Pioneer Power Solutions Inc.
- Former names
- Sierra Concepts, INC.
- Ownership
- Public
- Status
- Active
- SIC code
- 3690 — Miscellaneous Electrical Machinery, Equipment & Supplies
- Jurisdiction of incorporation
- Delaware
- Headquarters city
- Fort LEE
- Headquarters state / province
- New Jersey
- Headquarters country
- United States
- Fiscal year end
- December
- Ticker symbol
- PPSI
- Primary stock exchange
- Nasdaq
Identifiers
- SEC CIK
- 0001449792
Board of directors
-
David Tesler · DirectorSince 2023
-
Ian Ross · DirectorSince 2023
-
Jonathan Tulkoff · DirectorSince 2023
-
Kytchener Stevenson Whyte · DirectorSince 2022
-
Nathan Mazurek · Director · Chief Executive OfficerSince 2023
-
Thomas Klink · DirectorSince 2023
-
Yossi Cohn · DirectorSince 2023
Chief executives
Nathan Mazurek
· Chief Executive Officer
Dates unknown
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
- Bought, last 12 months
- $33,900
- 1 purchase by 1 insider
- Sold, last 12 months
- $0
- 0 sales by 0 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Mar 2, 2026 | Nathan Mazurek Director, Officer (Chief Executive Officer), 10% owner | Option exercise | +1,000 | $2.18 | $2,180 |
| Nov 18, 2025 | Nathan Mazurek Director, Officer (Chief Executive Officer), 10% owner | Open-market purchase | +10,000 | $3.39 | $33,900 |
| May 2, 2025 | Michalec Wojciech Officer (Chief Financial Officer) | Shares withheld for tax | −25,000 | $5.92 | $148,000 |
| Dec 20, 2024 | Michalec Wojciech Officer (Chief Financial Officer) | Open-market sale | −13,040 | $4.09 | $53,334 |
| Dec 19, 2024 | Michalec Wojciech Officer (Chief Financial Officer) | Open-market sale | −1,960 | $4.12 | $8,075 |
| Dec 5, 2024 | Yossi Cohn Director | Option exercise | +1,000 | $3.68 | $3,680 |
| Dec 5, 2024 | Michalec Wojciech Officer (Chief Financial Officer) | Grant or award | +50,000 | — | — |
| Dec 5, 2024 | Yossi Cohn Director | Option exercise | +10,000 | $1.68 | $16,800 |
| Dec 5, 2024 | Yossi Cohn Director | Option exercise | +10,000 | $3.31 | $33,100 |
| Dec 5, 2024 | Yossi Cohn Director | Option exercise | +1,500 | $3.17 | $4,755 |
| Dec 4, 2024 | Ian Ross Director | Open-market sale | −1,000 | $6.01 | $6,010 |
| Nov 15, 2024 | Ian Ross Director | Option exercise | +1,000 | $3.68 | $3,680 |
| Nov 15, 2024 | Ian Ross Director | Option exercise | +10,000 | $1.68 | $16,800 |
| Nov 15, 2024 | Ian Ross Director | Option exercise | +10,000 | $3.31 | $33,100 |
| Nov 15, 2024 | Ian Ross Director | Option exercise | +1,500 | $3.17 | $4,755 |
Reviews (0)
Sign in to write a review.
No reviews yet. Be the first to write one.