HENDERSON JOHN T

Director · CYTK

As of 2026-09-16, HENDERSON JOHN T has 25 Form 4 transactions on record across 1 company — 12 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Pattern in the record: open-market sales filed in December in multiple years since 2024 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $5.4MIndirect: $0$5.4Mas of 2026-09-16
  • Direct $5.4M
  • Indirect $0
CYTKdirect78,360 sh$5.4M

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

CYTK · 25 trades
2026-07-15: Award / grant, 272 sh ($22K)2026-05-27: Award / grant, 4,301 sh ($0)2026-05-27: Award / grant, 2,851 sh ($0)2026-05-05: Sale, 20,000 sh ($1.5M)2026-05-05: Option exercise, 20,000 sh ($152K)2026-05-05: Option exercise, 20,000 sh ($0)2026-04-15: Award / grant, 325 sh ($21K)2026-01-15: Award / grant, 334 sh ($21K)2025-12-02: Sale, 8,750 sh ($559K)2025-12-02: Option exercise, 8,750 sh ($88K)2025-12-02: Option exercise, 8,750 sh ($0)2025-10-15: Award / grant, 338 sh ($21K)2025-07-15: Award / grant, 559 sh ($21K)2025-05-14: Award / grant, 10,880 sh ($0)2025-05-14: Award / grant, 7,333 sh ($0)2025-04-15: Option exercise, 20,000 sh ($124K)2025-04-15: Sale, 3,190 sh ($123K)2025-04-15: Award / grant, 551 sh ($21K)2025-04-15: Option exercise, 20,000 sh ($0)2025-01-02: Award / grant, 434 sh ($21K)2024-12-11: Sale, 1,780 sh ($90K)2024-12-11: Option exercise, 10,092 sh ($74K)2024-12-11: Option exercise, 1,780 sh ($13K)2024-12-11: Option exercise, 10,092 sh ($0)2024-12-11: Option exercise, 1,780 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-05-05CYTKSale20,000 @ $75.97$1.5M−21.0% of holding75,237Form 4
2025-12-02CYTKSale8,750 @ $63.90$559K−10.5% of holding74,578Form 4
2025-04-15CYTKSale3,190 @ $38.66$123K−4.6% of holding66,348Form 4
2024-12-11CYTKSale1,780 @ $50.42$90K−4.4% of holding38,461Form 4
21 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-07-15CYTKAward / grant27278,360Form 4
2026-05-27CYTKAward / grant4,3014,301Form 4
2026-05-27CYTKAward / grant2,85178,088Form 4
2026-05-05CYTKOption exercise20,00095,237Form 4
2026-05-05CYTKOption exercise20,0000Form 4
2026-04-15CYTKAward / grant32575,237Form 4
2026-01-15CYTKAward / grant33474,912Form 4
2025-12-02CYTKOption exercise8,75083,328Form 4
2025-12-02CYTKOption exercise8,7500Form 4
2025-10-15CYTKAward / grant33874,578Form 4
2025-07-15CYTKAward / grant55974,240Form 4
2025-05-14CYTKAward / grant10,88010,880Form 4
2025-05-14CYTKAward / grant7,33373,681Form 4
2025-04-15CYTKOption exercise20,00069,538Form 4
2025-04-15CYTKAward / grant55166,348Form 4
2025-04-15CYTKOption exercise20,0000Form 4
2025-01-02CYTKAward / grant43448,987Form 4
2024-12-11CYTKOption exercise10,09248,553Form 4
2024-12-11CYTKOption exercise1,78040,241Form 4
2024-12-11CYTKOption exercise10,0920Form 4
2024-12-11CYTKOption exercise1,78010,092Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.