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PPSI · Pioneer Power Solutions, Inc.
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PPSI Pioneer Power Solutions (PPSI) Insider Trading, Ownership & Congress Trades

Semiconductors & Electronics · Miscellaneous electrical machinery, equipment & supplies · CIK 0001449792
Quote by TradingView
SEC filings
Insider buyers, 180 days
0
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
19
13F, latest reported quarter

Pioneer Power Solutions insider trades (Form 4)

Form 4 buys and sells (codes P and S). Grants, option exercises and conversions excluded.

No insider purchases or sales are on record for PIONEER POWER SOLUTIONS, INC. in the period covered. Source: SEC Form 4 filings, as of 2026-10-28.

Insider
Filed
Shares
Value
Since filing
MAZUREK NATHAN
Chief Executive Officer
BUY
2025-11-20 SECtraded 2025-11-18
10,000
$33.9K
-30.5%
Context
  • 4 earlier Form 4 trades (code P or S) here by this insider (4 buys), the last on Sep 12, 2023.
  • +4.5% median (+31.4% mean) 90-day return after 4 previous buys.
  • The trade is 0.5% of the 1,976,496 shares held after it.
  • No other insider bought within 30 days.
  • 19 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chief Executive Officer MAZUREK NATHAN bought about $33.9K of PPSI on Nov 18, 2025, the largest insider purchase at the company since 2023; 19 funds added in the latest 13F quarter.
Michalec Wojciech
Chief Financial Officer
SELL
2024-12-20 SEC
13,040
$53.3K
-37.4%
Context
  • 1 earlier Form 4 trade (code P or S) here by this insider (1 sale), the last on Dec 19, 2024.
  • The trade is 4.3% of the 300,000 shares held after it.
  • 1 other insider sold within 30 days.
  • 19 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chief Financial Officer Michalec Wojciech sold about $53.3K of PPSI on Dec 20, 2024, the largest insider sale at the company on our record; 1 other insider sold within 30 days and 19 funds added in the latest 13F quarter.
Michalec Wojciech
Chief Financial Officer
SELL
2024-12-20 SECtraded 2024-12-19
1,960
$8.1K
-37.4%
Context
  • First Form 4 purchase or sale (code P or S) here by this insider on our record.
  • The trade is 0.6% of the 313,040 shares held after it.
  • 1 other insider sold within 30 days.
  • 19 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chief Financial Officer Michalec Wojciech sold about $8.1K of PPSI on Dec 19, 2024, the largest insider sale at the company on our record; 1 other insider sold within 30 days and 19 funds added in the latest 13F quarter.
Ross Ian
Director
SELL
2024-12-06 SECtraded 2024-12-04
1,000
$6.0K
-44.8%
Context
  • First Form 4 purchase or sale (code P or S) here by this insider on our record.
  • The trade is 4.4% of the 22,500 shares held after it.
  • 1 other insider sold within 30 days.
  • 19 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director Ross Ian sold about $6.0K of PPSI on Dec 4, 2024, the largest insider sale at the company on our record; 1 other insider sold within 30 days and 19 funds added in the latest 13F quarter.
MAZUREK NATHAN
Chief Executive Officer
BUY
2023-09-13 SECtraded 2023-09-12
10,000
$60.9K
-46.7%
Context
  • 3 earlier Form 4 trades (code P or S) here by this insider (3 buys), the last on Dec 13, 2022.
  • +5.8% median (+42.5% mean) 90-day return after 3 previous buys.
  • The trade is 0.5% of the 2,010,859 shares held after it.
  • No other insider bought within 30 days.
  • 19 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chief Executive Officer MAZUREK NATHAN bought about $60.9K of PPSI on Sep 12, 2023, the largest insider purchase at the company on our record; 19 funds added in the latest 13F quarter.
8 transactions on record
Since filing: total return from the first close after the filing to the latest close, dividend-adjusted. Not a forecast.
Context lines are counts over the filings above and returns from our own price history, never a price level. Not investment advice.
See all insider buying · insider selling
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Seven facts, ranked against the sector · Rank is not a forecast
Insiders
no insider buys or sells on file
Congress
no House purchase disclosed in the last 12 months
Funds
19 funds bought in last quarter
below 84% of Semiconductors & Electronics
Revenue
+20.8% year over year
more than 62% of Semiconductors & Electronics
Margin
-21.7% net margin
below 69% of Semiconductors & Electronics
Buybacks
no share repurchases reported
Short interest
0.6% of the float short (float per yahoo 2026-10-26) · 1.0 days to cover · settled 2026-09-30
below 84% of Semiconductors & Electronics
What changed in the last 30 days
Nothing new filed in the last 30 days

Watch PPSI

A free account keeps a watchlist and can send one email a day when insiders, funds or Congress file on the names in it. No password and no card.

The year, with the filings on it
Total return over 12 months. Each marker is a filing; hover or tap one for the detail.
-43.9%12M
-47%-19%+9%+38%2025-102025-122026-022026-042026-062026-082026-10 2025-11-18 · MAZUREK NATHAN bought $33.9K
Insider buy
Indexed to 100, dividend-adjusted, not a price chart. When a name files heavily, the largest trades are drawn first.

Who owns PPSI: institutional holders (13F)

13F holdings, latest reported quarter
VANGUARD CAPITAL MANAGEMENT LLC
195,788 sh
$771.4K
Spectrum Investment Advisors, Inc.
137,500 sh
$541.8K
RENAISSANCE TECHNOLOGIES LLC
126,488 sh
$498.4K
GEODE CAPITAL MANAGEMENT, LLC
116,631 sh
$459.6K
JANE STREET GROUP, LLC
114,403 sh
$450.7K

Congress trades in PPSI

No Congress trades reported
No House member has disclosed a trade in this stock. See what Congress is buying.

Activist and 5% holders (13D/13G)

No 5%+ ownership filings
Nobody has filed for crossing 5%. That is a fact, not missing data.

PPSI planned insider sales (Form 144)

No planned-sale notices
No insider has filed to sell. Watch this after a run-up.

PPSI mutual fund holders (N-PORT)

Funds ranked by the share of their own portfolio in this stock (N-PORT).
iShares Micro-Cap ETF
$115.7K position · as of 2026-06-30
0.0%
1290 VT Micro Cap Portfolio
$7.6K position · as of 2026-06-30
0.0%
LVIP Dimensional U.S. Core Equity 2 Fund
$15.4K position · as of 2026-06-30
0.0%
Fidelity Extended Market Index Fund
$270.4K position · as of 2026-05-31
0.0%
U.S. Social Core Equity 2 Portfolio
$10.2K position · as of 2026-07-31
0.0%
VANGUARD EXTENDED MARKET INDEX FUND
$358.2K position · as of 2026-06-30
0.0%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M · % is the share of the fund's own portfolio
Executive pay vs shareholder return · Nathan J. Mazurek
CEO pay, headline and as actually paid, against the company's return and its chosen peers' (DEF 14A).
FY
CEO total
Actually paid
Other execs, avg
TSR
Peer TSR
2025
$687.5K
$687.5K
$353.0K
+134%
n/a
2024
$2.7M
$2.7M
$760.0K
+104%
n/a
2023
$1.2M
$1.2M
$251.0K
+153%
n/a
2022
$557.6K
$330.0K
$1.9M
-64%
n/a
Tagged by the company under SEC Item 402(v). Returns are cumulative from the start of the disclosure period. Green where the company beat its own peer group.
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
The complete filing record, in one place.
The record shows 19 funds added last quarter. Each figure is a federal filing, dated the day it went public.
Backtest this pattern Open the screener
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PPSI financials

Revenue growth
+20.8%
XBRL, annual
Net margin
-21.7%
Ratios from the company's XBRL filings, latest filings
Revenue, TTM
$21.8M
four quarters, 2025-07-01 to 2026-06-30
Net margin, TTM
-38.1%
net income over revenue, 2025-07-01 to 2026-06-30
Free cash flow, TTM
-$7.7M
operating cash flow minus capex, 2025-07-01 to 2026-06-30
Debt to equity
0.06x
long-term 2020-12-31 (66 months older than the period end) plus current 2020-12-31 (66 months older than the period end); equity 2026-06-30
Cash flow to debt
-3.88x
TTM operating cash flow over long-term 2020-12-31 (66 months older than the period end) plus current 2020-12-31 (66 months older than the period end)
Return on equity
-28.7%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on assets
-23.5%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on invested capital
n/a
tax provision or pre-tax income not filed for the four quarters
Return on capital employed
-22.0%
operating income (EBIT proxy) over average of 2025-06-30 and 2026-06-30 minus current liabilities
P/E, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
Enterprise value
$10.9M
market value at close 2026-10-26 on 2026-08-13 shares, plus long-term 2020-12-31 (66 months older than the period end) plus current 2020-12-31 (66 months older than the period end), minus cash 2025-06-30
FCF yield
-28.1%
TTM free cash flow over market value at close 2026-10-26
PEG, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
Price as of 2026-10-26. Hover or tap a tile for its yearly and quarterly history.
Method
TTM is four consecutive fiscal quarters; Q4 is the year minus nine months when not filed. Returns use the average of opening and closing balances. EBIT is approximated by operating income. PEG uses trailing EPS growth.
Fundamentals
Annual figures from XBRL filings. Pick a past date to see them as known then.
2025-122024-122023-122022-12
Revenue$27.6M$22.9M$41.5M$27.0M
Gross profit$3.4M$5.5M$2.2M$2.8M
Operating income-$6.6M-$5.2M-$7.0M-$5.8M
Net income-$6.0M$31.9M-$1.9M-$5.4M
EPS (diluted)-0.542.90-0.20-0.56
Operating cash flow-$5.8M-$6.2M-$3.9M-$5.8M
Cashn/a$41.6M$3.6Mn/a
Dividends paid$16.7Mn/an/an/a
SEC XBRL, fiscal years, as known on 2026-10-28

PPSI Stock Sonar score 5/7 axes

Find similar shapesCompare

PPSI ranks highest on risk and compliance (82nd percentile) and growth (62nd), and lowest on institutional and government (16th), among Semiconductors & Electronics peers.

ProfitHealthGrowthInstitutionsRisk
Profitability
23
Inputs
  • Return on equity-28.7% · 22 pct, sector of 154
  • Return on assets-23.5% · 23 pct, sector of 171
  • Return on invested capitaltax provision or pre-tax income not filed for the four quarters
  • Return on capital employed-22.0% · 25 pct, sector of 155
Financial health
41
Inputs
  • Debt to equity0.06x · 69 pct, sector of 152
  • Cash flow to debt-3.88x · 13 pct, sector of 136
Growth
62
Inputs
  • Revenue growth, YoY+20.8% · 62 pct, sector of 194
  • Backlog growth, YoYno backlog line filed, or no year-earlier backlog
Institutional and government
16
Inputs
  • Funds adding, latest quarter19 · 16 pct, sector of 184
  • Congress net buyers, 365dno Congress trades in 365 days
  • Federal contracts, 180dno federal contracts in 180 days
  • Lobbying spend, 4 quartersno lobbying filings in the last four quarters
Risk and compliance
82
Inputs
  • Short interest, % of float+0.6% · 86 pct, sector of 221
  • Recalls per $1B revenue, 3yrevenue under $50M or not filed, so a count cannot be scaled to size
  • EPA cases per $1B revenue, 5yrevenue under $50M or not filed, so a count cannot be scaled to size
  • New text in Risk Factors, latest 10-K+6.7% · 77 pct, sector of 152
2 not measured: Insider conviction, US patents
  • Insider conviction needs 1 of 2 inputs, 0 present: no Form 4 purchase or sale (code P or S) in 180 days; no insider trades in 180 days
  • US patents needs 1 of 2 inputs, 0 present: patent data not loaded yet

5 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored

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