WaveMan · Form 4
Lewis Earl insider trades
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Lewis Earl insider trades

Lewis Earl has filed 27 Form 4s with the SEC that we hold, all for Tecogen INC. (TGEN), as Director. Across all of them we count 39 purchases worth $310.3K and 0 sales worth $0 reported on Form 4. In the last 12 months: 2 purchases ($27.0K) and 0 sales ($0). The largest single trade was a purchase of 100,000 shares of Tecogen INC. worth $71.0K, dated 2024-11-22. The first filing on our record is dated 2021-08-19 and the latest 2026-06-30.

Tecogen INC. (TGEN)

Director · 28 filings · 39 purchases and sales
Trade dateCodeSharesValue as filedFiled
2021-08-17P, purchase reported on Form 45,000$9.7K2021-08-19
2021-08-17P, purchase reported on Form 410,000$18.2K2021-08-19
2022-03-24P, purchase reported on Form 45,000-2024-04-16
2022-09-28P, purchase reported on Form 48,183$7.8K2022-09-29
2022-09-29P, purchase reported on Form 45,000$4.8K2022-09-29
2022-11-22P, purchase reported on Form 41,200-2024-04-16
2022-11-22P, purchase reported on Form 44,987$6.8K2024-04-16
2022-11-23P, purchase reported on Form 4630$8442024-04-16
2022-11-29P, purchase reported on Form 45,000-2024-04-16
2023-03-20P, purchase reported on Form 410,000$9.0K2023-03-21
2023-03-20P, purchase reported on Form 45,000$4.3K2023-03-21
2023-03-22P, purchase reported on Form 45,000$4.3K2023-03-23
2023-03-24P, purchase reported on Form 42,694$2.5K2023-03-30
2023-03-24P, purchase reported on Form 45,500$5.1K2023-03-30
2023-03-27P, purchase reported on Form 4806$7902023-03-30
2023-03-28P, purchase reported on Form 42,100$2.2K2023-03-30
2023-03-28P, purchase reported on Form 4700$7142023-03-30
2023-03-28P, purchase reported on Form 43,200$3.3K2023-03-30
2023-03-29P, purchase reported on Form 410,000$11.8K2023-03-30
2023-03-29P, purchase reported on Form 410,000$11.7K2023-03-30
2023-05-15P, purchase reported on Form 410,000$9.6K2023-05-16
2023-08-14P, purchase reported on Form 41,500$1.5K2023-08-17
2023-09-05P, purchase reported on Form 410,000$10.0K2023-09-06
2023-09-08P, purchase reported on Form 410,000$9.5K2023-09-11
2023-09-14P, purchase reported on Form 417,216$16.0K2024-04-16
2023-09-26P, purchase reported on Form 41,000$9002024-04-16
2023-10-02P, purchase reported on Form 45,000$4.3K2024-04-16
2023-10-06P, purchase reported on Form 4132$1042024-04-16
2023-10-06P, purchase reported on Form 41,000$8002024-04-16
2023-10-09P, purchase reported on Form 42,000$1.6K2025-03-25
2023-10-18P, purchase reported on Form 425,000$22.8K2023-10-18
2024-01-23P, purchase reported on Form 410,000$6.8K2024-01-23
2024-01-24P, purchase reported on Form 49,152$7.1K2024-01-25
2024-04-24P, purchase reported on Form 410,000$6.8K2024-04-24
2024-05-01P, purchase reported on Form 45,000$3.8K2024-05-03
2024-07-15P, purchase reported on Form 410,000$6.8K2025-03-25
2024-11-22P, purchase reported on Form 4100,000$71.0K2024-12-06
2026-03-26P, purchase reported on Form 45,000$14.4K2026-03-27
2026-03-27P, purchase reported on Form 45,000$12.6K2026-03-27
Source

Counted from the Form 4 filings this reporting owner (SEC CIK 1230427) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.

Source: U.S. Securities and Exchange Commission (EDGAR) and other official government data · Updated 2026-10-12 · For informational purposes only, not investment advice.
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