LIVE FROM THE DATABASETRANSACTIONS 362,430COMPANIES 5,763LATEST TRADE Oct 16UPDATED Oct 17, 12:31 AM
TGENCIK 0001537435

TECOGEN INC.

28 transactions by 11 insiders, from March 20, 2026 to June 26, 2026.

Transactions
2811 insiders
Bought · P
$134Kopen market
Sold · S
Nonenobody sold on the open market
Net
+$134Knet buying

Officers and directors

People inside the company. What they do with their own shares is the reason this data exists.

InsiderTradesPlannedBoughtSold
Abinand RangeshCEO4—$7K—
Susan B. HirschDir3—$44K—
Earl LewisDir3—$27K—
John Kimball Whiting IVGC3—$24K—
Ahmed GhoniemDir3—$10K—
Robert PanoraCOO3———
Roger P. DeschenesOfficer3—$22K—
Stephen LafailleVP2———
John HatsopoulosDir2———
Angelina GalitevaDir1———
John M. AlbertineDir1———

All transactions

28 in total, newest filings first.

InsiderDateCodeSharesPriceValue
Stephen LafailleVP4/AJun 26A29,013$0.00—
John Kimball Whiting IVGC4/AJun 26A19,342$0.00—
Robert PanoraCOO4/AJun 26A9,671$0.00—
Roger P. DeschenesCFO4/AJun 26A29,013$0.00—
Abinand RangeshCEO4/AJun 26A174,081$0.00—
John Kimball Whiting IVGCJun 26A19,342——
Abinand RangeshCEODERIVJun 26A26,041$5.17$135K?
Abinand RangeshCEOJun 26A174,081——
Robert PanoraCOODERIVJun 26A26,041$5.17$135K?
Robert PanoraCOOJun 26A9,671——
Earl LewisDirDERIVJun 26A25,000$5.17$129K?
Stephen LafailleVPJun 26A29,013——
Susan B. HirschDirDERIVJun 26A25,000$5.17$129K?
Ahmed GhoniemDirDERIVJun 26A25,000$5.17$129K?
Angelina GalitevaDirDERIVJun 26A25,000$5.17$129K?
Roger P. DeschenesOfficerJun 26A29,013——
John M. AlbertineDirDERIVJun 26A25,000$5.17$129K?
Ahmed GhoniemDirDERIVApr 24M12,723$0.79$10K?
Ahmed GhoniemDirApr 24P12,723$0.79$10K
Susan B. HirschDirApr 13P5,000$3.73$19K
Earl LewisDirMar 26P5,000$2.88$14K
Earl LewisDirMar 27P5,000$2.52$13K
Susan B. HirschDirMar 27P10,000$2.54$25K
John Kimball Whiting IVGCMar 23P10,000$2.38$24K
Abinand RangeshCEOMar 20P3,000$2.30$7K
John HatsopoulosDirDERIVMar 20M50,000$0.88$44K?
John HatsopoulosDirMar 20M50,000$0.88$44K
Roger P. DeschenesOfficerMar 20P10,000$2.23$22K