John Kimball Whiting IV bought $24k of TGEN
General Counsel & Secretary at TECOGEN INC.. 10,000 shares at an average of $2.38, traded Mar 23, 2026, filed Mar 23, 2026.
Score components
- +15RoleOfficer
- 0Trade size$24k at market
- +10Relative to holdingsHoldings up 79%
- +8Price context80% below the 52-week high
- +15Cluster5 insiders buying within 14 days
- 0Repeat buyingFirst buy in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
What happened after comparable buys
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.
This signal so far: 1m +83.1%, 3m +156.4%, 6m +40.3%.
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.
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 0001537435-26-000021, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Mar 23, 2026 | POpen-market purchase Common Stock | +10,000 | $2.38 | $24k | 22,612 | Mar 23, 2026 |
Related signals
Other insiders at TECOGEN INC. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 39Weak | TECOGEN INC. | Ahmed Ghoniem director | $10k 12,723 shares | - | |
| 36Weak | TECOGEN INC. | Susan B Hirsch director | $19k 5,000 shares | +2% | |
| 43Moderate | TECOGEN INC. | Susan B Hirsch director | $25k 10,000 shares | +4% | |
| 38Weak | TECOGEN INC. | Earl R Lewis director | $13k 5,000 shares | +0% | |
| 33Weak | TECOGEN INC. | Earl R Lewis director | $14k 5,000 shares | +0% | |
| 44Moderate | TECOGEN INC. | Roger P. Deschenes CAO | $22k 10,000 shares | +23% | |
| 48Moderate | TECOGEN INC. | Abinand Rangesh Chief Executive Officer | $6,894 3,000 shares | +5% | |
| 52Moderate | TECOGEN INC. | Robert Panora COO and President | $551k 102,700 shares | -147% | |
| 31Weak | TGENbuy TECOGEN INC. | Stephen Lafaille VP of Business Development | $1,000 400 shares | - | |
| 58Moderate | TECOGEN INC. | Stephen Lafaille VP of Business Development | $346k 60,000 shares | -577% |
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.