Sean D Keohane

CIK 1435737 · View on SEC EDGAR ↗

Insider

First SEC filing: May 23, 2008 · Latest: May 23, 2008

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Insider at

Insider transactions

0 buys (P) 1 sells (S) Net: $-7,943,066 + 92 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

92 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Aug. 7, 2026 CBT S 91,923 $86.41 $7,943,066 404,134 Direct -18.53% Disposed -2.0% (price as of 2026-08-20)
Sept. 3, 2024 CBT S 7,752 $102.28 $792,875 331,174 Direct -2.29% Disposed -17.2% (price as of 2026-08-20)
Sept. 3, 2024 CBT S 17,865 $101.23 $1,808,474 338,926 Direct -5.01% Disposed -16.4% (price as of 2026-08-20)
March 1, 2024 CBT S 6,579 $85.67 $563,623 331,174 Direct -1.95% Disposed -1.2% (price as of 2026-08-20)
March 1, 2024 CBT S 11,278 $85.29 $961,901 337,753 Direct -3.23% Disposed -0.7% (price as of 2026-08-20)
May 24, 2022 CBT S 939 $69.95 $65,683 265,718 Direct -0.35% Disposed 21.0% (price as of 2026-08-20)
May 24, 2022 CBT S 10,018 $69.37 $694,949 266,657 Direct -3.62% Disposed 22.0% (price as of 2026-08-20)
May 24, 2022 CBT S 3,340 $68.26 $227,988 276,675 Direct -1.19% Disposed 24.0% (price as of 2026-08-20)

Showing latest 100 of 207 transactions

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date Ticker Security Underlying Exercise price Expiration Shares A/D
Aug. 7, 2026 CBT Employee Stock Option (Right to Buy) Common Stock (91,923) $62.24 Nov. 9, 2027 91,923 Acquired
June 30, 2026 CBT Phantom Stock Units Common Stock (84) 84 Acquired
June 12, 2026 CBT Phantom Stock Units Common Stock (256) 256 Acquired
March 13, 2026 CBT Phantom Stock Units Common Stock (306) 306 Acquired
Dec. 31, 2025 CBT Phantom Stock Units Common Stock (2,563) 2,563 Acquired
Dec. 12, 2025 CBT Phantom Stock Units Common Stock (292) 292 Acquired
Nov. 19, 2025 CBT Employee Stock Option (Right to Buy) Common Stock (122,114) $59.76 Nov. 18, 2035 122,114 Acquired
Sept. 30, 2025 CBT Phantom Stock Units Common Stock (334) 334 Acquired
Sept. 11, 2025 CBT Phantom Stock Units Common Stock (242) 242 Acquired
June 30, 2025 CBT Phantom Stock Units Common Stock (267) 267 Acquired
June 13, 2025 CBT Phantom Stock Units Common Stock (260) 260 Acquired
March 14, 2025 CBT Phantom Stock Units Common Stock (222) 222 Acquired
Dec. 31, 2024 CBT Phantom Stock Units Common Stock (2,461) 2,461 Acquired
Dec. 13, 2024 CBT Phantom Stock Units Common Stock (168) 168 Acquired
Nov. 8, 2024 CBT Employee Stock Option (Right to Buy) Common Stock (50,600) $114.99 Nov. 7, 2034 50,600 Acquired
Sept. 30, 2024 CBT Phantom Stock Units Common Stock (227) 227 Acquired
Sept. 13, 2024 CBT Phantom Stock Units Common Stock (164) 164 Acquired
Sept. 3, 2024 CBT Employee Stock Option (Right to Buy) Common Stock (25,617) $39.54 Nov. 11, 2025 25,617 Disposed
June 28, 2024 CBT Phantom Stock Units Common Stock (223) 223 Acquired
June 14, 2024 CBT Phantom Stock Units Common Stock (175) 175 Acquired
March 8, 2024 CBT Phantom Stock Units Common Stock (181) 181 Acquired
March 1, 2024 CBT Employee Stock Option (Right to Buy) Common Stock (17,857) $46.03 Nov. 13, 2024 17,857 Disposed
Dec. 29, 2023 CBT Phantom Stock Units Common Stock (981) 981 Acquired
Dec. 8, 2023 CBT Phantom Stock Units Common Stock (197) 197 Acquired
Nov. 10, 2023 CBT Employee Stock Option (Right to Buy) Common Stock (79,139) $74.40 Nov. 9, 2033 79,139 Acquired
Sept. 29, 2023 CBT Phantom Stock Units Common Stock (366) 366 Acquired
Sept. 8, 2023 CBT Phantom Stock Units Common Stock (215) 215 Acquired
June 30, 2023 CBT Phantom Stock Units Common Stock (329) 329 Acquired
June 9, 2023 CBT Phantom Stock Units Common Stock (202) 202 Acquired
March 10, 2023 CBT Phantom Stock Units Common Stock (184) 184 Acquired
Dec. 30, 2022 CBT Phantom Stock Units Common Stock (1,792) 1,792 Acquired
Dec. 9, 2022 CBT Phantom Stock Units Common Stock (181) 181 Acquired
Nov. 11, 2022 CBT Employee Stock Option (Right to Buy) Common Stock (71,917) $73.84 Nov. 10, 2032 71,917 Acquired
Sept. 30, 2022 CBT Phantom Stock Units Common Stock (598) 598 Acquired
Sept. 9, 2022 CBT Phantom Stock Units Common Stock (178) 178 Acquired
June 30, 2022 CBT Phantom Stock Units Common Stock (108) 108 Acquired
June 10, 2022 CBT Phantom Stock Units Common Stock (177) 177 Acquired
May 24, 2022 CBT Stock Options Cabot Corp (14,297) $47.62 Nov. 7, 2023 14,297 Acquired
March 11, 2022 CBT Phantom Stock Units Common Stock (183) 183 Acquired
Dec. 31, 2021 CBT Phantom Stock Units Common Stock (3,211) 3,211 Acquired
Dec. 10, 2021 CBT Phantom Stock Units Common Stock (206) 206 Acquired
Nov. 12, 2021 CBT Employee Stock Option (Right to Buy) Common Stock (104,231) $58.27 Nov. 11, 2031 104,231 Acquired
Sept. 30, 2021 CBT Phantom Stock Units Common Stock (556) 556 Acquired
Sept. 10, 2021 CBT Phantom Stock Units Common Stock (211) 211 Acquired
June 30, 2021 CBT Phantom Stock Units Common Stock (330) 330 Acquired
June 11, 2021 CBT Phantom Stock Units Common Stock (168) 168 Acquired
March 12, 2021 CBT Phantom Stock Units Common Stock (197) 197 Acquired
Dec. 31, 2020 CBT Phantom Stock Units Common Stock (1,562) 1,562 Acquired
Dec. 11, 2020 CBT Phantom Stock Common Stock (235) 235 Acquired
Nov. 13, 2020 CBT Employee Stock Option (Right to Buy) Common Stock (171,568) $40.97 Nov. 12, 2030 171,568 Acquired
Sept. 30, 2020 CBT Phantom Stock Units Common Stock (650) 650 Acquired
Sept. 11, 2020 CBT Phantom Stock Common Stock (251) 251 Acquired
June 12, 2020 CBT Phantom Stock Common Stock (260) 260 Acquired
March 13, 2020 CBT Phantom Stock Common Stock (288) 288 Acquired
Dec. 31, 2019 CBT Phantom Stock Units Common Stock (2,515) 2,515 Acquired
Dec. 13, 2019 CBT Phantom Stock Common Stock (176) 176 Acquired
Nov. 8, 2019 CBT Employee Stock Option (Right to Buy) Comon Stock (147,471) $50.23 Nov. 7, 2029 147,471 Acquired
Sept. 30, 2019 CBT Phantom Stock Units Common Stock (594) 594 Acquired
Sept. 13, 2019 CBT Phantom Stock Common Stock (171) 171 Acquired
June 30, 2019 CBT Phantom Stock Units Common Stock (459) 459 Acquired
June 14, 2019 CBT Phantom Stock Common Stock (173) 173 Acquired
March 8, 2019 CBT Phantom Stock Common Stock (168) 168 Acquired
Dec. 31, 2018 CBT Phantom Stock Units Common Stock (4,161) 4,161 Acquired
Dec. 14, 2018 CBT Phantom Stock Common Stock (136) 136 Acquired
Nov. 9, 2018 CBT Employee Stock Option (Right to Buy) Common Stock (137,674) $50.00 Nov. 8, 2028 137,674 Acquired
Sept. 30, 2018 CBT Phantom Stock Common Stock (408) 408 Acquired
Sept. 14, 2018 CBT Phantom Stock Common Stock (92) 92 Acquired
June 30, 2018 CBT Phantom Stock Units Common Stock (322) 322 Acquired
June 8, 2018 CBT Phantom Stock Common Stock (88) 88 Acquired
June 5, 2018 CBT Employee Stock Option (Right to Buy) Common Stock (22,561) $32.95 Nov. 10, 2021 22,561 Disposed
June 5, 2018 CBT Employee Stock Option (Right to Buy) Common Stock (15,909) $34.64 Nov. 11, 2020 15,909 Disposed
June 5, 2018 CBT Employee Stock Option (Right to Buy) Common Stock (21,067) $35.25 Nov. 8, 2022 21,067 Disposed
March 9, 2018 CBT Phantom Stock Common Stock (86) 86 Acquired
Dec. 31, 2017 CBT Phantom Stock Units Common Stock (2,370) 2,370 Acquired
Dec. 8, 2017 CBT Phantom Stock Common Stock (79) 79 Acquired
Nov. 10, 2017 CBT Employee Stock Option (Right to Buy) Common Stock (91,923) $62.24 Nov. 9, 2027 91,923 Acquired
Sept. 30, 2017 CBT Phantom Stock Common Stock (434) 434 Acquired
Sept. 8, 2017 CBT Phantom Stock Common Stock (85) 85 Acquired
June 30, 2017 CBT Phantom Stock Units Common Stock (335) 335 Acquired
June 9, 2017 CBT Phantom Stock Common Stock (80) 80 Acquired
March 10, 2017 CBT Phantom Stock Common Stock (69) 69 Acquired
Dec. 31, 2016 CBT Phantom Stock Units Common Stock (1,793) 1,793 Acquired
Dec. 9, 2016 CBT Phantom Stock Common Stock (65) 65 Acquired
Nov. 11, 2016 CBT Employee Stock Option (Right to Buy) Common Stock (87,981) $50.46 Nov. 10, 2026 87,981 Acquired
Sept. 30, 2016 CBT Phantom Stock Common Stock (437) 437 Acquired
Sept. 9, 2016 CBT Phantom Stock Common Stock (68) 68 Acquired
June 30, 2016 CBT Phantom Stock Common Stock (178) 178 Acquired
June 10, 2016 CBT Phantom Stock Common Stock (70) 70 Acquired
March 21, 2016 CBT Employee Stock Option (Right to Buy) Common Stock (26,455) $49.26 March 20, 2026 26,455 Acquired
March 11, 2016 CBT Phantom Stock Common Stock (50) 50 Acquired
Dec. 31, 2015 CBT Phantom Stock Units Common Stock (517) 517 Acquired
Dec. 11, 2015 CBT Phantom Stock Common Stock (55) 55 Acquired
Nov. 12, 2015 CBT Employee Stock Option (Right to Buy) Common Stock (25,617) $39.54 Nov. 11, 2025 25,617 Acquired
Sept. 30, 2015 CBT Phantom Stock Common Stock (273) 273 Acquired
Sept. 11, 2015 CBT Phantom Stock Common Stock (65) 65 Acquired
June 12, 2015 CBT Phantom Stock Common Stock (52) 52 Acquired
March 13, 2015 CBT Phantom Stock Common Stock (50) 50 Acquired
Dec. 31, 2014 CBT Phantom Stock Units Common Stock (918) 918 Acquired
Dec. 12, 2014 CBT Phantom Stock Common Stock (50) 50 Acquired
Nov. 14, 2014 CBT Employee Stock Option (Right to Buy) Common Stock (17,857) $46.03 Nov. 13, 2024 17,857 Acquired

Showing latest 100 of 115 transactions

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 2 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date Ticker Security Shares Ownership
May 23, 2008 CBT Common Stock 35,985 Direct
May 23, 2008 CBT Common Stock Indirect

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

CBT

President and CEO
Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2023 $1,083,750 $3,509,911 $1,890,051 $1,045,704 $26,843 $235,251 $7,791,510
2022 $1,035,000 $3,087,436 $1,662,485 $1,838,657 $16,097 $308,354 $7,948,029
2021 $1,026,250 $3,087,459 $1,662,151 $2,118,852 $12,074 $335,701 $8,242,487

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.