InsiderTrades

Form 4 for TGEN TECOGEN INC.

Accepted 2026-06-30 20:36:30 ET · period of report 2026-06-26 · accession 0001537435-26-000051 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2026-06-30 20:36 2026-06-26 TGEN Whiting John Kimball IV GC, Sec A - Grant — +19.3K 19.3K New —

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-06-26 A A 19,342 — 19,342 D — — (F1) Restricted Stock Award pursuant to 2022 Stock Incentive Plan. Vests 25% per year. (F1) Restricted Stock Award pursuant to 2022 Stock Incentive Plan. Vests 25% per year. (F2) Vests 25% per year.