HENDERSON JOHN T — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

HENDERSON JOHN T has filed 2 SEC Form 4 filings across 1 company in the last 90 days — selling. Lifetime open-market sales: $1.61M.

Profile

HENDERSON JOHN T
RoleDirector
Notability20/100

Board memberships

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-05-27CYTKCYTOKINETICS INCA — Grant or award2.9K$0.00
2026-05-05CYTKCYTOKINETICS INCS — Open-market sale20.0K$75.97$1.52M
2026-05-05CYTKCYTOKINETICS INCM — Option exercise20.0K$7.61$152K
2026-04-15CYTKCYTOKINETICS INCA — Grant or award325$65.37$21K
2026-01-16CYTKCYTOKINETICS INCA — Grant or award334$63.44$21K
2025-10-15CYTKCYTOKINETICS INCA — Grant or award338$62.80$21K
2025-07-15CYTKCYTOKINETICS INCA — Grant or award559$38.01$21K
2025-05-14CYTKCYTOKINETICS INCA — Grant or award7.3K$0.00
2025-04-15CYTKCYTOKINETICS INCA — Grant or award551$38.56$21K
2024-12-12CYTKCYTOKINETICS INCM — Option exercise10.1K$7.37$74K
2024-12-12CYTKCYTOKINETICS INCS — Open-market sale1.8K$50.42$90K
2024-12-12CYTKCYTOKINETICS INCM — Option exercise1.8K$7.37$13K
2024-10-03CYTKCYTOKINETICS INCA — Grant or award403$52.60$21K

Companies — Last 90 Days

Frequently Asked Questions

Who is HENDERSON JOHN T?

HENDERSON JOHN T is a corporate insider — currently tracked as Director of CYTOKINETICS INC (CYTK). InsiderAlpha tracks every SEC Form 4 filing in real time.

How many SEC Form 4 filings has HENDERSON JOHN T submitted recently?

2 primary Form 4 filings in the last 90 days, covering 1 company.

Has HENDERSON JOHN T been buying or selling stock?

Recorded transactions: 0 open-market purchases () and 2 open-market sales ($1.61M) across all tracked filings.

Where can I see all of HENDERSON JOHN T's SEC filings?

All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.

Learn More

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