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sellModerate cluster of 2

Robert A Panora sold $551k of TGEN

COO and President at TECOGEN INC.. 102,700 shares at an average of $5.36, traded Jun 3, 2025, filed Jul 14, 2025.

Warning score
52
Value
$551k
102,700 shares
Holdings after
62,523
-147% from before
From 52-week low
+501%
low $0.81, close $4.87
From 52-week high
-2%
high $4.99, as of Jun 3, 2025

Score components

  • Role
    President
    +20
  • Trade size
    $551k at market
    +19
  • Share of holdings sold
    Sold 100% of holdings
    +20
  • Cluster
    2 insiders selling within 14 days
    +8
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -15

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

TGENOct 9, 2026 · close 2.42
Since filing Jul 14, 2025: -67.7%SPY +26.3% · excess -94.0%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001537435-25-000071, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jun 3, 2025SOpen-market sale
Common Stock
-26,000$4.69$122k44,000Jul 14, 2025
Jun 4, 2025SOpen-market sale
Common Stock
-31,000$5.00$155k13,000Jul 14, 2025
Jun 16, 2025MOption exercise
Common Stock
+12,723$0.79$10k25,723Jul 14, 2025
Jun 16, 2025MOption exercise
Common Stock
+30,000$0.71$21k55,723Jul 14, 2025
Jun 16, 2025MOption exercise
Common Stock
+52,500$1.10$58k108,223Jul 14, 2025
Jun 18, 2025SOpen-market sale
Common Stock
-13,000$5.03$65k95,223Jul 14, 2025
Jun 23, 2025SOpen-market sale
Common Stock
-31,800$6.36$202k63,423Jul 14, 2025
Jun 24, 2025SOpen-market sale
Common Stock
-900$6.86$6,17462,523Jul 14, 2025
Jun 16, 2025MOption exercise
Stock Option (Right to Buy)derivative
-12,723$0.79$10k0Jul 14, 2025
Jun 16, 2025MOption exercise
Stock Option (Right to Buy)derivative
-30,000$0.71$21k100,000Jul 14, 2025
Jun 16, 2025MOption exercise
Stock Option (Right to Buy)derivative
-52,500$1.10$58k0Jul 14, 2025

Related signals

Other insiders at TECOGEN INC. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
43Moderate
TGENbuy 5
TECOGEN INC.
Susan B Hirsch
director
$25k
10,000 shares
+4%
38Weak
TGENbuy 5
TECOGEN INC.
Earl Lewis
director
$13k
5,000 shares
+0%
33Weak
TGENbuy 5
TECOGEN INC.
Earl Lewis
director
$14k
5,000 shares
+0%
44Moderate
TGENbuy 5
TECOGEN INC.
Roger P. Deschenes
CAO
$22k
10,000 shares
+23%
48Moderate
TGENbuy 5
TECOGEN INC.
Abinand Rangesh
Chief Executive Officer
$6,894
3,000 shares
+5%
48Moderate
TGENbuy 5
TECOGEN INC.
John Kimball Whiting IV
General Counsel & Secretary
$24k
10,000 shares
+79%
31Weak
TGENbuy
TECOGEN INC.
Stephen Lafaille
VP of Business Development
$1,000
400 shares
-
58Moderate
TGENsell 2
TECOGEN INC.
Stephen Lafaille
VP of Business Development
$346k
60,000 shares
-577%
10Weak
TGENbuy
TECOGEN INC.
Earl Lewis
director
$1,600
2,000 shares
+0%
26Weak
TGENbuy
TECOGEN INC.
Earl Lewis
director
$71k
100,000 shares
+16%

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.

Robert A Panora sold $551k of TGEN | InsiderTell