Harrington Robert Arthur — SEC Form 4 filings

SEC reporting owner CIK 1923988. 18 Form 4 filings on record with FilingPulse; latest filed 2026-07-16.

Transaction summary — filings shown

Covers all 18 filings on record, filed 2024-05-16 to 2026-07-16. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.

By issuer — same filings

Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.

IssuerRole (as filed)FilingsPurchases (P)Sales (S)Other legs
CYTOKINETICS INC (CYTK)Director186 legs · 7,483 sh · $394,92215

Form 4 filings — Harrington Robert Arthur

FiledFormIssuerReported transactionsSource
2026-07-164CYTOKINETICS INC (CYTK)Grant/award (A): 151 @ $82.62EDGAR
2026-05-274CYTOKINETICS INC (CYTK)Grant/award (A): 2,851 @ $0 · Grant/award (A): 4,301 (derivative) @ $0EDGAR
2026-04-154CYTOKINETICS INC (CYTK)Grant/award (A): 191 @ $65.37EDGAR
2026-01-164CYTOKINETICS INC (CYTK)Grant/award (A): 197 @ $63.44EDGAR
2025-12-024CYTOKINETICS INC (CYTK)Sale (S): 2,150 @ $66.80EDGAR
2025-10-164CYTOKINETICS INC (CYTK)Grant/award (A): 199 @ $62.80EDGAR
2025-09-024CYTOKINETICS INC (CYTK)Sale (S): 2,150 @ $48.67EDGAR
2025-07-164CYTOKINETICS INC (CYTK)Grant/award (A): 328 @ $38.01EDGAR
2025-05-194CYTOKINETICS INC (CYTK)Grant/award (A): 7,333 @ $0 · Grant/award (A): 10,880 (derivative) @ $0EDGAR
2025-04-164CYTOKINETICS INC (CYTK)Grant/award (A): 324 @ $38.56EDGAR
2025-04-044CYTOKINETICS INC (CYTK)Sale (S): 450 @ $39.43EDGAR
2025-03-044CYTOKINETICS INC (CYTK)Sale (S): 900 @ $42.50EDGAR
2025-01-064CYTOKINETICS INC (CYTK)Grant/award (A): 255 @ $48.93EDGAR
2024-10-034CYTOKINETICS INC (CYTK)Grant/award (A): 237 @ $52.60EDGAR
2024-07-084CYTOKINETICS INC (CYTK)Sale (S): 253 @ $54.61EDGAR
2024-07-034CYTOKINETICS INC (CYTK)Grant/award (A): 228 @ $0EDGAR
2024-06-054CYTOKINETICS INC (CYTK)Sale (S): 1,580 @ $48.64EDGAR
2024-05-164CYTOKINETICS INC (CYTK)Grant/award (A): 5,600 @ $0 · Grant/award (A): 3,636 (derivative) @ $0EDGAR

FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.

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