Insider trading · Q3 2026 · CIK 1537435

Tecogen Inc. (TGEN) insider trading.

In Q3 2026, insiders at Tecogen Inc. reported 5 non-derivative transactions on 5 Forms 3, 4 and 5: 0 open-market purchases and 0 sales.

Transactions
5
Purchases (P)
0
Sales (S)
0
Net shares, P minus S
0
Insiders
5
Last filed
2026-09-08

Insiders

InsiderRelationshipTransactionsBuysSales
Rangesh AbinandDirector, Officer · Chief Executive Officer100
Deschenes Roger P.Officer · Chief Financial Officer100
Lafaille StephenOfficer · VP of Business Development100
Panora RobertOfficer · COO and President100
Whiting John Kimball IVOfficer · General Counsel & Secretary100

Transactions

5 non-derivative rows, newest transaction first. Shares and prices as filed.
DateInsiderCodeSharesPriceOwned afterFiling
2026-06-26Rangesh AbinandA (A)174,081$0241,274Form 4/A
2026-06-26Deschenes Roger P.A (A)29,013$081,975Form 4/A
2026-06-26Lafaille StephenA (A)29,013$041,389Form 4/A
2026-06-26Panora RobertA (A)9,671$072,194Form 4/A
2026-06-26Whiting John Kimball IVA (A)19,342$041,954Form 4/A

Transaction codes in this quarter

Get TGEN insider transactions through the API

Request with your API key
curl "https://sec-api.dev/api/v1/insider-transactions?period=2026q3&cik=1537435&limit=100" \
  -H "Authorization: Bearer $SEC_API_KEY"

Insider trading API guide · TGEN company page · Tecogen Inc. on SEC.gov

Questions

Are insiders buying or selling Tecogen Inc. (TGEN)?

In Q3 2026, insiders at Tecogen Inc. reported 5 non-derivative transactions on 5 Forms 3, 4 and 5: 0 open-market purchases and 0 sales. Grants, tax withholding and option exercises are counted as transactions but are not purchases or sales.

Where do these Tecogen Inc. insider trades come from?

From the SEC Insider Transactions Data Sets for Q3 2026, which republish the Forms 3, 4 and 5 filed on EDGAR. Each row links to its filing on SEC.gov.

Source: SEC Insider Transactions Data Sets, Q3 2026, retrieved 2026-10-27. Footnotes, derivative holdings and amendments are in the linked filings. Not investment advice.

Plain-text version for agents and LLMs: /insider-trading/tgen.md

Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.