Insider · CIK 0001230427
Earl R Lewis
director
Files at TGEN (TECOGEN INC.). First filing Dec 6, 2024, latest Dec 6, 2024.
Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
2 / 0
$73k bought, $0 sold
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
TGEN: TECOGEN INC.
TGENOct 9, 2026 · close 2.42
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
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 10Weak | TGENbuy TECOGEN INC. | $1,600 2,000 shares | +0% | - | |
| 26Weak | TGENbuy TECOGEN INC. | $71k 100,000 shares | +16% | - |
Transactions
Every row this insider has filed, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jul 24, 2025 | TGEN TECOGEN INC. | AGrant or award Stock Option (Right to Buy)derivative | +25,000 | $8.35 | $209k | 91,250 | Jul 28, 2025 |
| May 6, 2025 | TGEN TECOGEN INC. | XIn-the-money exercise Common Stock | +15,000 | $1.75 | $26k | 982,256 | May 7, 2025 |
| May 6, 2025 | TGEN TECOGEN INC. | XIn-the-money exercise Common Stock | +12,500 | $1.20 | $15k | 994,756 | May 7, 2025 |
| May 6, 2025 | TGEN TECOGEN INC. | XIn-the-money exercise Common Stock | +6,250 | $1.10 | $6,875 | 1,001,006 | May 7, 2025 |
| May 1, 2025 | TGEN TECOGEN INC. | JOther Common Stock | +240,256 | $2.14 | $514k | 967,256 | May 5, 2025 |
| Nov 22, 2024 | TGEN TECOGEN INC. | POpen-market purchase Common Stock | +100,000 | $0.71 | $71k | 737,000 | Dec 6, 2024 |
| Oct 9, 2023 | TGEN TECOGEN INC. | POpen-market purchase Common Stock | +2,000 | $0.80 | $1,600 | 637,000 | Dec 6, 2024 |
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.