John T. Henderson

Sits on 1 board. Last updated September 27, 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: Cytokinetics Incorporated, 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
Jul 15, 2026 Cytokinetics Incorporated Grant or award +272 $82.62 $22,473
May 27, 2026 Cytokinetics Incorporated Grant or award +2,851 โ€” โ€”
May 5, 2026 Cytokinetics Incorporated Option exercise +20,000 $7.61 $152,200
May 5, 2026 Cytokinetics Incorporated Open-market sale โˆ’20,000 $75.97 $1,519,400
Apr 15, 2026 Cytokinetics Incorporated Grant or award +325 $65.37 $21,245
Jan 15, 2026 Cytokinetics Incorporated Grant or award +334 $63.44 $21,189
Dec 2, 2025 Cytokinetics Incorporated Option exercise +8,750 $10.00 $87,500
Dec 2, 2025 Cytokinetics Incorporated Open-market sale โˆ’8,750 $63.90 $559,125
Oct 15, 2025 Cytokinetics Incorporated Grant or award +338 $62.80 $21,226
Jul 15, 2025 Cytokinetics Incorporated Grant or award +559 $38.01 $21,248
May 14, 2025 Cytokinetics Incorporated Grant or award +7,333 โ€” โ€”
Apr 15, 2025 Cytokinetics Incorporated Option exercise +20,000 $6.21 $124,200
Apr 15, 2025 Cytokinetics Incorporated Grant or award +551 $38.56 $21,247
Apr 15, 2025 Cytokinetics Incorporated Open-market sale โˆ’3,190 $38.66 $123,325
Jan 2, 2025 Cytokinetics Incorporated Grant or award +434 $48.93 $21,236

Reviews (0)

Sign in to write a review.

No reviews yet. Be the first to write one.

We use cookies to run this site and, with your permission, to measure traffic and support the affiliate links that help fund it.