Susan B. Hirsch

Sits on 2 boards. Last updated September 28, 2026

Time on boards

Boards served
2
Current seats
2
Board service
7 years
Director since
2023

7 years of board service in total across 2 boards, counting each seat separately. Longest: Agenus Inc., 3 years.

Agenus Inc. Director
3 years · Since 2023
Tecogen Inc. Director
3 years · Since 2023

Shareholder support

Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Date Company Transaction Shares Price Value
Apr 13, 2026 Tecogen Inc. Open-market purchase +5,000 $3.73 $18,650
Mar 27, 2026 Tecogen Inc. Open-market purchase +10,000 $2.54 $25,400
Nov 15, 2023 Agenus Inc. Small acquisition +5,000 $0.75 $3,750
Nov 14, 2023 Agenus Inc. Small acquisition +5,000 $0.67 $3,350
Oct 19, 2023 Tecogen Inc. Open-market purchase +5,000 $0.92 $4,600
Jan 3, 2023 Agenus Inc. Grant or award +7,239 $2.59 $18,749

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