Nasdaq · CIK 0001449792
PPSI PIONEER POWER SOLUTIONS, INC.
Insider trading from SEC Form 4. Last filing Mar 3, 2026. Close $3.08 on Oct 9, 2026, +30% from the 52-week low and -49% from the high.
PIONEER POWER SOLUTIONS, INC. (PPSI) has 16 SEC Form 4 filings on file from 8 insiders, the latest filed on Mar 3, 2026. No insider bought or sold on the open market in the last 90 days; rows filed in that time are grants, exercises, tax withholding and other transactions that carry no view on the price.
3 open-market trades have been scored at PPSI. The newest: Nathan Mazurek (Chief Executive Officer) bought $34k of stock on Nov 18, 2025, filed Nov 20, 2025, scored 34 (weak). The largest of the 3 shown: Wojciech Michalec (Chief Financial Officer) sold $61k on Dec 19, 2024, scored 29 (weak).
PPSI closed at $3.08 on Oct 9, 2026, 30% above its 52-week low and 49% below its 52-week high.
1 Form 144 notice of planned sales is on file, the latest filed Dec 16, 2024.
Last 90 days
Price and insider trades, last year
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
Open-market buys and sells at PIONEER POWER SOLUTIONS, INC., scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 34Weak | Nathan Mazurek Chief Executive Officer buy | $34k 10,000 shares | +1% | +51% from low-31% from high | |
| 29Weak | Wojciech Michalec Chief Financial Officer sell | $61k 15,000 shares | -5% | - | |
| 15Weak | Ian Ross director sell | $6,010 1,000 shares | -4% | - |
Planned sales
Form 144 notices filed before a sale of restricted or control stock, newest first. The sale itself usually reaches a Form 4 within days. All planned sales
| Filed | Seller | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Dec 16, 2024 | Wojciech (Walter) Michalec Chief Financial Officer | 65,000 0.59% of outstanding | $382k | Dec 16, 2024 | none |
Transactions
The newest 50 of 62 rows filed, every code.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Mar 2, 2026 | Nathan Mazurek Chief Executive Officer | MOption exercise Common Stock, par value $0.001 per share | +1,000 | $2.18 | $2,180 | 1,977,496 | Mar 3, 2026 |
| Mar 2, 2026 | Nathan Mazurek Chief Executive Officer | MOption exercise Stock Option (Right to Buy)derivative | -1,000 | $0.00 | $0 | 0 | Mar 3, 2026 |
| Nov 18, 2025 | Nathan Mazurek Chief Executive Officer | POpen-market purchase Common Stock, par value $0.001 per share | +10,000 | $3.39 | $34k | 1,976,496 | Nov 20, 2025 |
| May 2, 2025 | Wojciech Michalec Chief Financial Officer | FTax withholding Common Stock, par value $0.001 per share | -25,000 | $5.92 | $148k | 275,000 | May 2, 2025 |
| Dec 19, 2024 | Wojciech Michalec Chief Financial Officer | SOpen-market sale Common Stock, par value $0.001 per share | -1,960 | $4.12 | $8,075 | 313,040 | Dec 20, 2024 |
| Dec 20, 2024 | Wojciech Michalec Chief Financial Officer | SOpen-market sale Common Stock, par value $0.001 per share | -13,040 | $4.09 | $53k | 300,000 | Dec 20, 2024 |
| Dec 5, 2024 | Nathan Mazurek Chief Executive Officer | AGrant or award Stock Option (Right to Buy)derivative | +10,000 | $0.00 | $0 | 10,000 | Dec 6, 2024 |
| Dec 5, 2024 | Wojciech Michalec Chief Financial Officer | AGrant or award Common Stock, par value $0.001 per share | +50,000 | - | - | 315,000 | Dec 6, 2024 |
| Dec 5, 2024 | David Tesler director | AGrant or award Stock Option (Right to Buy)derivative | +10,000 | $0.00 | $0 | 10,000 | Dec 6, 2024 |
| Dec 5, 2024 | Kytchener Stevenson Whyte director | AGrant or award Stock Option (Right to Buy)derivative | +10,000 | $0.00 | $0 | 10,000 | Dec 6, 2024 |
| Dec 5, 2024 | Thomas Klink director | AGrant or award Stock Option (Right to Buy)derivative | +10,000 | $0.00 | $0 | 10,000 | Dec 6, 2024 |
| Dec 5, 2024 | Jonathan Tulkoff director | AGrant or award Stock Option (Right to Buy)derivative | +10,000 | $0.00 | $0 | 10,000 | Dec 6, 2024 |
| Dec 4, 2024 | Ian Ross director | SOpen-market sale COMMON STOCK, PAR VALUE $0.001 PER SHARE | -1,000 | $6.01 | $6,010 | 22,500 | Dec 6, 2024 |
| Dec 5, 2024 | Yossi Cohn director | MOption exercise Common Stock, par value $0.001 per share | +1,000 | $3.68 | $3,680 | 2,000 | Dec 6, 2024 |
| Dec 5, 2024 | Ian Ross director | AGrant or award Stock Option (Right to Buy)derivative | +10,000 | $0.00 | $0 | 10,000 | Dec 6, 2024 |
| Dec 5, 2024 | Yossi Cohn director | MOption exercise Common Stock, par value $0.001 per share | +10,000 | $1.68 | $17k | 12,000 | Dec 6, 2024 |
| Dec 5, 2024 | Yossi Cohn director | MOption exercise Common Stock, par value $0.001 per share | +10,000 | $3.31 | $33k | 22,000 | Dec 6, 2024 |
| Dec 5, 2024 | Yossi Cohn director | MOption exercise Common Stock, par value $0.001 per share | +1,500 | $3.17 | $4,755 | 23,500 | Dec 6, 2024 |
| Dec 5, 2024 | Yossi Cohn director | MOption exercise Stock Option (Right to Buy)derivative | -1,000 | $0.00 | $0 | 0 | Dec 6, 2024 |
| Dec 5, 2024 | Yossi Cohn director | MOption exercise Stock Option (Right to Buy)derivative | -10,000 | $0.00 | $0 | 0 | Dec 6, 2024 |
| Dec 5, 2024 | Yossi Cohn director | MOption exercise Stock Option (Right to Buy)derivative | -10,000 | $0.00 | $0 | 0 | Dec 6, 2024 |
| Dec 5, 2024 | Yossi Cohn director | MOption exercise Stock Option (Right to Buy)derivative | -1,500 | $0.00 | $0 | 0 | Dec 6, 2024 |
| Dec 5, 2024 | Yossi Cohn director | AGrant or award Stock Option (Right to Buy)derivative | +10,000 | $0.00 | $0 | 10,000 | Dec 6, 2024 |
| Nov 15, 2024 | Ian Ross director | MOption exercise Common Stock, par value $0.001 per share | +1,000 | $3.68 | $3,680 | 2,000 | Nov 18, 2024 |
| Nov 15, 2024 | Ian Ross director | MOption exercise Common Stock, par value $0.001 per share | +10,000 | $1.68 | $17k | 12,000 | Nov 18, 2024 |
| Nov 15, 2024 | Ian Ross director | MOption exercise Common Stock, par value $0.001 per share | +10,000 | $3.31 | $33k | 22,000 | Nov 18, 2024 |
| Nov 15, 2024 | Ian Ross director | MOption exercise Common Stock, par value $0.001 per share | +1,500 | $3.17 | $4,755 | 23,500 | Nov 18, 2024 |
| Nov 15, 2024 | Ian Ross director | MOption exercise Stock Option (Right to Buy)derivative | -1,000 | $0.00 | $0 | 0 | Nov 18, 2024 |
| Nov 15, 2024 | Ian Ross director | MOption exercise Stock Option (Right to Buy)derivative | -10,000 | $0.00 | $0 | 0 | Nov 18, 2024 |
| Nov 15, 2024 | Ian Ross director | MOption exercise Stock Option (Right to Buy)derivative | -10,000 | $0.00 | $0 | 0 | Nov 18, 2024 |
| Nov 15, 2024 | Ian Ross director | MOption exercise Stock Option (Right to Buy)derivative | -1,500 | $0.00 | $0 | 0 | Nov 18, 2024 |
| Oct 22, 2024 | Wojciech Michalec Chief Financial Officer | MOption exercise Common Stock, par value $0.001 per share | +10,000 | $1.68 | $17k | 254,740 | Oct 24, 2024 |
| Oct 22, 2024 | Jonathan Tulkoff director | MOption exercise Common Stock, par value $0.001 per share | +1,000 | $3.68 | $3,680 | 12,000 | Oct 24, 2024 |
| Oct 22, 2024 | Wojciech Michalec Chief Financial Officer | FTax withholding Common Stock, par value $0.001 per share | -2,415 | $6.15 | $15k | 252,325 | Oct 24, 2024 |
| Oct 22, 2024 | Jonathan Tulkoff director | MOption exercise Common Stock, par value $0.001 per share | +1,000 | $5.60 | $5,600 | 13,000 | Oct 24, 2024 |
| Oct 22, 2024 | Wojciech Michalec Chief Financial Officer | MOption exercise Common Stock, par value $0.001 per share | +12,000 | $3.31 | $40k | 264,325 | Oct 24, 2024 |
| Oct 22, 2024 | Jonathan Tulkoff director | MOption exercise Common Stock, par value $0.001 per share | +10,000 | $1.68 | $17k | 23,000 | Oct 24, 2024 |
| Oct 22, 2024 | Wojciech Michalec Chief Financial Officer | FTax withholding Common Stock, par value $0.001 per share | -1,842 | $6.15 | $11k | 262,483 | Oct 24, 2024 |
| Oct 22, 2024 | Jonathan Tulkoff director | MOption exercise Common Stock, par value $0.001 per share | +10,000 | $3.31 | $33k | 33,000 | Oct 24, 2024 |
| Oct 22, 2024 | Wojciech Michalec Chief Financial Officer | MOption exercise Common Stock, par value $0.001 per share | +3,000 | $3.17 | $9,510 | 265,483 | Oct 24, 2024 |
| Oct 22, 2024 | Jonathan Tulkoff director | MOption exercise Common Stock, par value $0.001 per share | +1,500 | $3.17 | $4,755 | 34,500 | Oct 24, 2024 |
| Oct 22, 2024 | Wojciech Michalec Chief Financial Officer | FTax withholding Common Stock, par value $0.001 per share | -483 | $6.15 | $2,970 | 265,000 | Oct 24, 2024 |
| Oct 22, 2024 | Jonathan Tulkoff director | MOption exercise Common Stock, par value $0.001 per share | +10,000 | $5.25 | $53k | 44,500 | Oct 24, 2024 |
| Oct 22, 2024 | Wojciech Michalec Chief Financial Officer | MOption exercise Stock Option (Right to Buy)derivative | -10,000 | $0.00 | $0 | 0 | Oct 24, 2024 |
| Oct 22, 2024 | Jonathan Tulkoff director | MOption exercise Stock Option (Right to Buy)derivative | -1,000 | $0.00 | $0 | 0 | Oct 24, 2024 |
| Oct 22, 2024 | Wojciech Michalec Chief Financial Officer | MOption exercise Stock Option (Right to Buy)derivative | -12,000 | $0.00 | $0 | 43,000 | Oct 24, 2024 |
| Oct 22, 2024 | Jonathan Tulkoff director | MOption exercise Stock Option (Right to Buy)derivative | -1,000 | $0.00 | $0 | 0 | Oct 24, 2024 |
| Oct 22, 2024 | Wojciech Michalec Chief Financial Officer | MOption exercise Stock Option (Right to Buy)derivative | -3,000 | $0.00 | $0 | 0 | Oct 24, 2024 |
| Oct 22, 2024 | Jonathan Tulkoff director | MOption exercise Stock Option (Right to Buy)derivative | -10,000 | $0.00 | $0 | 0 | Oct 24, 2024 |
| Oct 22, 2024 | Jonathan Tulkoff director | MOption exercise Stock Option (Right to Buy)derivative | -10,000 | $0.00 | $0 | 0 | Oct 24, 2024 |
Insiders
Everyone who has filed a Form 4 here.
- Yossi Cohndirector
- Thomas Klinkdirector
- Nathan MazurekChief Executive Officer
- Wojciech MichalecChief Financial Officer
- Ian Rossdirector
- David Teslerdirector
- Jonathan Tulkoffdirector
- Kytchener Stevenson Whytedirector
Questions about PPSI
Answered from the filings on this page, as of the latest one.
Are insiders buying PPSI?
No. In the last 90 days no insider at PIONEER POWER SOLUTIONS, INC. bought or sold shares on the open market according to SEC Form 4 filings. The rows on file from that period are grants, exercises, tax withholding or other transactions, which carry no view on the price.
Who was the last insider to trade PPSI on the open market?
Nathan Mazurek (Chief Executive Officer) bought $34k of PPSI on Nov 18, 2025 and filed the Form 4 on Nov 20, 2025. InsiderTell scored 34 (weak).
How many insiders file Form 4 at PIONEER POWER SOLUTIONS, INC.?
8 people have filed a Form 4 at PIONEER POWER SOLUTIONS, INC., among them Yossi Cohn (director), Thomas Klink (director), Nathan Mazurek (Chief Executive Officer). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.