Karen Firestone

Sits on 1 board. Last updated September 28, 2026

Time on boards

Boards served
1
Current seats
1
Board service
4 years
Director since
2023

4 years of board service in total across 1 board, counting each seat separately. Longest: Amylyx Pharmaceuticals Inc., 3 years.

3 years ยท 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
Aug 31, 2026 Amylyx Pharmaceuticals Inc. Option exercise +25,000 $1.76 $44,000
Aug 31, 2026 Amylyx Pharmaceuticals Inc. Option exercise +25,000 $5.05 $126,250
May 21, 2026 Amylyx Pharmaceuticals Inc. Open-market purchase +3,800 $13.51 $51,338
Dec 23, 2025 Amylyx Pharmaceuticals Inc. Open-market purchase +8,100 $12.45 $100,845
Sep 5, 2024 Amylyx Pharmaceuticals Inc. Open-market purchase +50,000 $2.13 $106,500
Dec 15, 2023 Amylyx Pharmaceuticals Inc. Open-market purchase +4,000 $14.97 $59,880
Mar 16, 2023 Amylyx Pharmaceuticals Inc. Open-market purchase +1,000 $31.99 $31,990

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