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.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 6 legs across 6 filings — 7,483 shares, $394,922 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 15.
- Largest priced transaction: sale of 2,150 shares @ $66.80 ($143,620) in CYTOKINETICS INC, filed 2025-12-02.
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.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| CYTOKINETICS INC (CYTK) | Director | 18 | — | 6 legs · 7,483 sh · $394,922 | 15 |
Form 4 filings — Harrington Robert Arthur
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-07-16 | 4 | CYTOKINETICS INC (CYTK) | Grant/award (A): 151 @ $82.62 | EDGAR |
| 2026-05-27 | 4 | CYTOKINETICS INC (CYTK) | Grant/award (A): 2,851 @ $0 · Grant/award (A): 4,301 (derivative) @ $0 | EDGAR |
| 2026-04-15 | 4 | CYTOKINETICS INC (CYTK) | Grant/award (A): 191 @ $65.37 | EDGAR |
| 2026-01-16 | 4 | CYTOKINETICS INC (CYTK) | Grant/award (A): 197 @ $63.44 | EDGAR |
| 2025-12-02 | 4 | CYTOKINETICS INC (CYTK) | Sale (S): 2,150 @ $66.80 | EDGAR |
| 2025-10-16 | 4 | CYTOKINETICS INC (CYTK) | Grant/award (A): 199 @ $62.80 | EDGAR |
| 2025-09-02 | 4 | CYTOKINETICS INC (CYTK) | Sale (S): 2,150 @ $48.67 | EDGAR |
| 2025-07-16 | 4 | CYTOKINETICS INC (CYTK) | Grant/award (A): 328 @ $38.01 | EDGAR |
| 2025-05-19 | 4 | CYTOKINETICS INC (CYTK) | Grant/award (A): 7,333 @ $0 · Grant/award (A): 10,880 (derivative) @ $0 | EDGAR |
| 2025-04-16 | 4 | CYTOKINETICS INC (CYTK) | Grant/award (A): 324 @ $38.56 | EDGAR |
| 2025-04-04 | 4 | CYTOKINETICS INC (CYTK) | Sale (S): 450 @ $39.43 | EDGAR |
| 2025-03-04 | 4 | CYTOKINETICS INC (CYTK) | Sale (S): 900 @ $42.50 | EDGAR |
| 2025-01-06 | 4 | CYTOKINETICS INC (CYTK) | Grant/award (A): 255 @ $48.93 | EDGAR |
| 2024-10-03 | 4 | CYTOKINETICS INC (CYTK) | Grant/award (A): 237 @ $52.60 | EDGAR |
| 2024-07-08 | 4 | CYTOKINETICS INC (CYTK) | Sale (S): 253 @ $54.61 | EDGAR |
| 2024-07-03 | 4 | CYTOKINETICS INC (CYTK) | Grant/award (A): 228 @ $0 | EDGAR |
| 2024-06-05 | 4 | CYTOKINETICS INC (CYTK) | Sale (S): 1,580 @ $48.64 | EDGAR |
| 2024-05-16 | 4 | CYTOKINETICS INC (CYTK) | Grant/award (A): 5,600 @ $0 · Grant/award (A): 3,636 (derivative) @ $0 | EDGAR |
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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