CBT insider transaction filings
CABOT CORP — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-09-14. Screen CBT transaction legs live →
Insider transaction summary — last 90 days
2026-06-24 to 2026-09-22, from the filings listed below: 12 Form 4 filings. 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): 3 legs across 3 filings by 1 insider — 229,597 shares, $19,646,314 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 15.
- Largest priced transaction: sale of 134,895 shares @ $85.00 ($11,466,075) by Keohane Sean D, filed 2026-08-31.
By insider — same window
Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Insider | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|
| Keohane Sean D — President and CEO, Director | 5 | — | 3 legs · 229,597 sh · $19,646,314 | 8 |
| Nathoo Raffiq — Director | 2 | — | — | 2 |
| DELGROSSO DOUGLAS G — Director | 1 | — | — | 1 |
| Dumont Lisa M — VP, Controller & CAO | 1 | — | — | 1 |
| Kalita Karen A — SVP and General Counsel | 1 | — | — | 1 |
| Masterson William F III — Senior Vice President | 1 | — | — | 1 |
| McLaughlin Erica — Executive Vice President, CFO | 1 | — | — | 1 |
Recent Form 4 filings — CABOT CORP
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-14 | 4 | Kalita Karen A — SVP and General Counsel | Grant/award (A): 31.49 (derivative) @ $79.68 | EDGAR |
| 2026-09-14 | 4 | Keohane Sean D — President and CEO, Director | Grant/award (A): 283.64 (derivative) @ $79.68 | EDGAR |
| 2026-09-14 | 4 | DELGROSSO DOUGLAS G — Director | Grant/award (A): 30.63 (derivative) @ $79.68 | EDGAR |
| 2026-09-14 | 4 | Dumont Lisa M — VP, Controller & CAO | Grant/award (A): 4.40 (derivative) @ $79.68 | EDGAR |
| 2026-09-14 | 4 | Nathoo Raffiq — Director | Grant/award (A): 11.14 (derivative) @ $79.68 | EDGAR |
| 2026-09-14 | 4 | Masterson William F III — Senior Vice President | Grant/award (A): 3.12 (derivative) @ $79.68 | EDGAR |
| 2026-09-14 | 4 | McLaughlin Erica — Executive Vice President, CFO | Grant/award (A): 61.08 (derivative) @ $79.68 | EDGAR |
| 2026-08-31 | 4 | Keohane Sean D — President and CEO, Director | Option exercise (M): 134,895 @ $50 · Sale (S): 134,895 @ $85 · Option exercise (M): 134,895 (derivative) @ $0 | EDGAR |
| 2026-08-26 | 4 | Keohane Sean D — President and CEO, Director | Option exercise (M): 2,779 @ $50 · Sale (S): 2,779 @ $85.50 · Option exercise (M): 2,779 (derivative) @ $0 | EDGAR |
| 2026-08-11 | 4 | Keohane Sean D — President and CEO, Director | 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 | Nathoo Raffiq — Director | Grant/award (A): 261.51 (derivative) @ $90.82 | EDGAR |
| 2026-07-02 | 4 | Keohane Sean D — President and CEO, Director | Grant/award (A): 83.68 (derivative) @ $90.82 | EDGAR |
| 2026-06-16 | 4 | Dumont Lisa M — VP, Controller & CAO | Grant/award (A): 3.98 (derivative) @ $87.65 | EDGAR |
| 2026-06-16 | 4 | Kalita Karen A — SVP and General Counsel | Grant/award (A): 28.47 (derivative) @ $87.65 | EDGAR |
| 2026-06-16 | 4 | Nathoo Raffiq — Director | Grant/award (A): 8.67 (derivative) @ $87.65 | EDGAR |
| 2026-06-16 | 4 | McLaughlin Erica — Executive Vice President, CFO | Grant/award (A): 55.23 (derivative) @ $87.65 | EDGAR |
| 2026-06-16 | 4 | Masterson William F III — Senior Vice President | Grant/award (A): 2.82 (derivative) @ $87.65 | EDGAR |
| 2026-06-16 | 4 | Keohane Sean D — President and CEO, Director | Grant/award (A): 256.01 (derivative) @ $87.65 | EDGAR |
| 2026-06-16 | 4 | DELGROSSO DOUGLAS G — Director | Grant/award (A): 27.69 (derivative) @ $87.65 | EDGAR |
| 2026-04-01 | 4 | Nathoo Raffiq — Director | Grant/award (A): 315.36 (derivative) @ $75.31 | EDGAR |
| 2026-03-17 | 4 | Dumont Lisa M — VP, Controller & CAO | Grant/award (A): 4.75 (derivative) @ $69.49 | EDGAR |
| 2026-03-17 | 4 | McLaughlin Erica — Executive Vice President, CFO | Grant/award (A): 65.92 (derivative) @ $69.49 | EDGAR |
| 2026-03-17 | 4 | Nathoo Raffiq — Director | Grant/award (A): 8.32 (derivative) @ $69.49 | EDGAR |
| 2026-03-17 | 4 | Kalita Karen A — SVP and General Counsel | Grant/award (A): 33.98 (derivative) @ $69.49 | EDGAR |
| 2026-03-17 | 4 | Masterson William F III — Senior Vice President | Grant/award (A): 3.37 (derivative) @ $69.49 | EDGAR |
| 2026-03-17 | 4 | Keohane Sean D — President and CEO, Director | Grant/award (A): 305.56 (derivative) @ $69.49 | EDGAR |
| 2026-03-17 | 4 | DELGROSSO DOUGLAS G — Director | Grant/award (A): 33.05 (derivative) @ $69.49 | EDGAR |
| 2026-01-12 | 4 | Nathoo Raffiq — Director | Grant/award (A): 2,298 @ $0 | EDGAR |
| 2026-01-12 | 4 | Williams Michelle Elizabeth — Director | Grant/award (A): 2,298 @ $0 | EDGAR |
| 2026-01-12 | 4 | Yan Christine Y — Director | Grant/award (A): 2,298 @ $0 | EDGAR |
| 2026-01-12 | 4 | Vanlancker Thierry FJ — Director | Grant/award (A): 2,298 @ $0 | EDGAR |
| 2026-01-12 | 4 | Morrow Michael M — Director | Grant/award (A): 2,298 @ $0 | EDGAR |
| 2026-01-12 | 4/A | Nathoo Raffiq — Director | Conversion (C): 3,383.85 (derivative) @ $66.28 · Grant/award (A): 358.33 (derivative) @ $66.28 | EDGAR |
| 2026-01-12 | 4 | Arnold Cynthia A — Director | Grant/award (A): 2,298 @ $0 | EDGAR |
| 2026-01-12 | 4 | Wilson Frank Anders — Director | Grant/award (A): 2,298 @ $0 | EDGAR |
| 2026-01-12 | 4 | Kirby William C. — Director | Grant/award (A): 486 @ $0 | EDGAR |
| 2026-01-12 | 4 | DELGROSSO DOUGLAS G — Director | Grant/award (A): 2,298 @ $0 | EDGAR |
| 2026-01-12 | 4 | ENRIQUEZ CABOT JUAN — Director | Grant/award (A): 486 @ $0 | EDGAR |
| 2026-01-05 | 4 | Nathoo Raffiq — Director | Grant/award (A): 358.33 (derivative) @ $66.28 | EDGAR |
| 2026-01-05 | 4 | Dumont Lisa M — VP, Controller & CAO | Grant/award (A): 182.32 (derivative) @ $66.28 | EDGAR |
| 2026-01-05 | 4 | Kalita Karen A — SVP and General Counsel | Grant/award (A): 922.41 (derivative) @ $66.28 | EDGAR |
| 2026-01-05 | 4 | McLaughlin Erica — Executive Vice President, CFO | Grant/award (A): 1,034.54 (derivative) @ $66.28 | EDGAR |
| 2026-01-05 | 4 | Masterson William F III — Senior Vice President | Grant/award (A): 228.59 (derivative) @ $66.28 | EDGAR |
| 2026-01-05 | 4 | Keohane Sean D — President and CEO, Director | Grant/award (A): 2,562.85 (derivative) @ $66.28 | EDGAR |
| 2026-01-05 | 4 | ENRIQUEZ CABOT JUAN — Director | Grant/award (A): 414.91 (derivative) @ $66.28 | EDGAR |
| 2025-12-16 | 4 | Masterson William F III — Senior Vice President | Grant/award (A): 1.91 (derivative) @ $68.34 | EDGAR |
| 2025-12-16 | 4 | Dumont Lisa M — VP, Controller & CAO | Grant/award (A): 3.61 (derivative) @ $68.34 | EDGAR |
| 2025-12-16 | 4 | Keohane Sean D — President and CEO, Director | Grant/award (A): 291.91 (derivative) @ $68.34 | EDGAR |
| 2025-12-16 | 4 | DELGROSSO DOUGLAS G — Director | Grant/award (A): 33.39 (derivative) @ $68.34 | EDGAR |
| 2025-12-16 | 4 | ENRIQUEZ CABOT JUAN — Director | Grant/award (A): 359.73 (derivative) @ $68.34 | EDGAR |
Recent 8-K events — CABOT CORP
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-09-15 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-08-21 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-08-14 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-08-03 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-07-30 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-14 | 8-K | 1.01 — Entry into a Material Definitive Agreement 1.02 — Termination of a Material Definitive Agreement 2.03 — Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-05 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-03-17 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
| 2026-02-03 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-01-14 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers | EDGAR |
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