Keohane Sean D — SEC Form 4 filings
SEC reporting owner CIK 1435737. 31 Form 4 filings on record with FilingPulse; latest filed 2026-09-14.
Transaction summary — filings shown
Covers all 31 filings on record, filed 2024-03-04 to 2026-09-14. 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): 11 legs across 6 filings — 387,507 shares, $32,845,340 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 45.
- Largest priced transaction: sale of 134,895 shares @ $85.00 ($11,466,075) in CABOT CORP, filed 2026-08-31.
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 |
|---|---|---|---|---|---|
| CABOT CORP (CBT) | President and CEO, Director | 28 | — | 11 legs · 387,507 sh · $32,845,340 | 42 |
| Chemours Co (CC) | Director | 3 | — | — | 3 |
Form 4 filings — Keohane Sean D
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-14 | 4 | CABOT CORP (CBT) | Grant/award (A): 283.64 (derivative) @ $79.68 | EDGAR |
| 2026-08-31 | 4 | CABOT CORP (CBT) | Option exercise (M): 134,895 @ $50 · Sale (S): 134,895 @ $85 · Option exercise (M): 134,895 (derivative) @ $0 | EDGAR |
| 2026-08-26 | 4 | CABOT CORP (CBT) | Option exercise (M): 2,779 @ $50 · Sale (S): 2,779 @ $85.50 · Option exercise (M): 2,779 (derivative) @ $0 | EDGAR |
| 2026-08-11 | 4 | CABOT CORP (CBT) | Option exercise (M): 91,923 @ $62.24 · Sale (S): 91,923 @ $86.41 · Option exercise (M): 91,923 (derivative) @ $0 | EDGAR |
| 2026-07-02 | 4 | CABOT CORP (CBT) | Grant/award (A): 83.68 (derivative) @ $90.82 | EDGAR |
| 2026-06-16 | 4 | CABOT CORP (CBT) | Grant/award (A): 256.01 (derivative) @ $87.65 | EDGAR |
| 2026-05-08 | 4 | Chemours Co (CC) | Grant/award (A): 7,182 @ $0 | EDGAR |
| 2026-03-17 | 4 | CABOT CORP (CBT) | Grant/award (A): 305.56 (derivative) @ $69.49 | EDGAR |
| 2026-01-05 | 4 | CABOT CORP (CBT) | Grant/award (A): 2,562.85 (derivative) @ $66.28 | EDGAR |
| 2025-12-16 | 4 | CABOT CORP (CBT) | Grant/award (A): 291.91 (derivative) @ $68.34 | EDGAR |
| 2025-11-21 | 4 | CABOT CORP (CBT) | Grant/award (A): 32,630 @ $0 · Grant/award (A): 30,932 @ $0 · Tax withholding (F): 10,338 @ $59.76 · Grant/award (A): 122,114 (derivative) @ $0 | EDGAR |
| 2025-11-12 | 4 | CABOT CORP (CBT) | Tax withholding (F): 10,608 @ $61.41 | EDGAR |
| 2025-10-02 | 4 | CABOT CORP (CBT) | Grant/award (A): 333.79 (derivative) @ $76.05 | EDGAR |
| 2025-09-15 | 4 | CABOT CORP (CBT) | Grant/award (A): 241.68 (derivative) @ $81.47 | EDGAR |
| 2025-08-15 | 4 | CABOT CORP (CBT) | Option exercise (M): 87,981 @ $50.46 · Sale (S): 80,304 @ $79.24 · Sale (S): 7,677 @ $79.62 · Option exercise (M): 26,455 @ $49.26 · Sale (S): 24,086 @ $79.25 · Sale (S): 2,369 @ $79.63 · +2 more | EDGAR |
| 2025-07-01 | 4 | CABOT CORP (CBT) | Grant/award (A): 266.67 (derivative) @ $75 | EDGAR |
| 2025-06-16 | 4 | CABOT CORP (CBT) | Grant/award (A): 260.34 (derivative) @ $74.72 | EDGAR |
| 2025-04-24 | 4 | Chemours Co (CC) | Grant/award (A): 14,096 @ $0 | EDGAR |
| 2025-03-18 | 4 | CABOT CORP (CBT) | Grant/award (A): 221.98 (derivative) @ $83.31 | EDGAR |
| 2025-01-03 | 4 | CABOT CORP (CBT) | Grant/award (A): 2,461.06 (derivative) @ $91.31 | EDGAR |
| 2024-12-17 | 4 | CABOT CORP (CBT) | Grant/award (A): 167.95 (derivative) @ $103.38 | EDGAR |
| 2024-11-20 | 4 | CABOT CORP (CBT) | Grant/award (A): 45,842 @ $0 · Tax withholding (F): 20,631 @ $108.82 | EDGAR |
| 2024-11-13 | 4 | CABOT CORP (CBT) | Grant/award (A): 16,957 @ $0 · Tax withholding (F): 11,824 @ $112.54 · Grant/award (A): 50,600 (derivative) @ $0 | EDGAR |
| 2024-10-02 | 4 | CABOT CORP (CBT) | Grant/award (A): 227.11 (derivative) @ $111.77 | EDGAR |
| 2024-09-17 | 4 | CABOT CORP (CBT) | Grant/award (A): 164.14 (derivative) @ $104.75 | EDGAR |
| 2024-09-04 | 4 | CABOT CORP (CBT) | Option exercise (M): 25,617 @ $39.54 · Sale (S): 17,865 @ $101.23 · Sale (S): 7,752 @ $102.28 · Option exercise (M): 25,617 (derivative) @ $0 | EDGAR |
| 2024-08-07 | 4 | Chemours Co (CC) | Grant/award (A): 8,547 @ $0 | EDGAR |
| 2024-07-02 | 4 | CABOT CORP (CBT) | Grant/award (A): 223.09 (derivative) @ $91.89 | EDGAR |
| 2024-06-18 | 4 | CABOT CORP (CBT) | Grant/award (A): 175.49 (derivative) @ $97 | EDGAR |
| 2024-03-11 | 4 | CABOT CORP (CBT) | Grant/award (A): 180.95 (derivative) @ $87.11 | EDGAR |
| 2024-03-04 | 4 | CABOT CORP (CBT) | Option exercise (M): 17,857 @ $46.03 · Sale (S): 11,278 @ $85.29 · Sale (S): 6,579 @ $85.67 · Option exercise (M): 17,857 (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.
Need this as JSON?
GET https://api.filingpulse.io/v1/insider-trades?owner_cik=1435737 returns every filing on this page — normalized, with footnotes and derivative legs — and webhooks push new filings to you in seconds. API docs →