John Greene

Sits on 1 board. Last updated September 27, 2026

Time on boards

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

3 years of board service in total across 1 board, counting each seat separately. Longest: CRISPR Therapeutics AG, 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
Feb 26, 2025 CRISPR Therapeutics AG Open-market purchase +7,000 $44.85 $313,950

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