Hobart Kalkstein

CIK 1671755 · View on SEC EDGAR ↗

Insider

First SEC filing: April 11, 2016 · Latest: April 11, 2016

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 81 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

81 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Nov. 11, 2024 CBT S 8,390 $115.02 $965,018 50,627 Direct -14.22% Disposed -25.8% (price as of 2026-08-21)
Nov. 11, 2024 CBT S 12,178 $115.00 $1,400,470 50,627 Direct -19.39% Disposed -25.8% (price as of 2026-08-21)
Nov. 11, 2024 CBT S 14,191 $115.54 $1,639,628 50,627 Direct -21.89% Disposed -26.2% (price as of 2026-08-21)
Aug. 20, 2024 CBT S 1,078 $99.16 $106,894 61,688 Direct -1.72% Disposed -14.0% (price as of 2026-08-21)
Aug. 20, 2024 CBT S 4,379 $100.93 $441,972 61,688 Direct -6.63% Disposed -15.5% (price as of 2026-08-21)
Aug. 19, 2024 CBT S 14,863 $100.91 $1,499,825 61,688 Direct -19.42% Disposed -15.5% (price as of 2026-08-21)
May 16, 2024 CBT S 12,000 $101.55 $1,218,600 61,688 Direct -16.28% Disposed -16.0% (price as of 2026-08-21)
May 15, 2024 CBT S 187 $103.00 $19,261 61,688 Direct -0.30% Disposed -17.2% (price as of 2026-08-21)
March 7, 2024 CBT S 7,648 $88.01 $673,100 61,688 Direct -11.03% Disposed -3.1% (price as of 2026-08-21)
Nov. 10, 2023 CBT S 26,217 $73.94 $1,938,485 68,383 Direct -27.71% Disposed 15.4% (price as of 2026-08-21)
Nov. 10, 2023 CBT S 24,475 $73.87 $1,807,968 68,383 Direct -26.36% Disposed 15.5% (price as of 2026-08-21)
March 3, 2023 CBT S 10,031 $83.00 $832,573 68,383 Direct -12.79% Disposed 2.8% (price as of 2026-08-21)
June 2, 2022 CBT S 17,235 $77.86 $1,341,917 52,785 Direct -24.61% Disposed 9.6% (price as of 2026-08-21)
Feb. 16, 2022 CBT S 11,805 $73.50 $867,668 52,785 Direct -18.28% Disposed 16.1% (price as of 2026-08-21)
Feb. 11, 2022 CBT S 6,753 $50.46 $340,756 59,538 Direct +12.79% Acquired 69.1% (price as of 2026-08-21)
Feb. 10, 2022 CBT S 3,700 $69.45 $256,965 52,785 Direct -6.55% Disposed 22.8% (price as of 2026-08-21)
Feb. 9, 2022 CBT S 300 $69.45 $20,835 56,485 Direct -0.53% Disposed 22.8% (price as of 2026-08-21)
May 6, 2021 CBT S 8,242 $62.02 $511,169 35,689 Direct -18.76% Disposed 37.6% (price as of 2026-08-21)
May 5, 2021 CBT S 5,888 $60.65 $357,107 38,168 Direct -13.36% Disposed 40.7% (price as of 2026-08-21)

Showing latest 100 of 162 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
June 13, 2025 CBT Phantom Stock Units Common Stock (62) — — 62 Acquired
March 14, 2025 CBT Phantom Stock Units Common Stock (53) — — 53 Acquired
Dec. 31, 2024 CBT Phantom Stock Units Common Stock (697) — — 697 Acquired
Dec. 13, 2024 CBT Phantom Stock Units Common Stock (40) — — 40 Acquired
Nov. 11, 2024 CBT Employee Stock Option (Right to Buy) Common Stock (8,390) $73.84 Nov. 10, 2032 8,390 Disposed
Nov. 11, 2024 CBT Employee Stock Option (Right to Buy) Common Stock (12,178) $58.27 Nov. 11, 2031 12,178 Disposed
Nov. 8, 2024 CBT Employee Stock Option (Right to Buy) Common Stock (9,341) $114.99 Nov. 7, 2034 9,341 Acquired
Sept. 30, 2024 CBT Phantom Stock Units Common Stock (73) — — 73 Acquired
Sept. 13, 2024 CBT Phantom Stock Units Common Stock (39) — — 39 Acquired
Aug. 20, 2024 CBT Employee Stock Option (Right to Buy) Common Stock (1,078) $40.97 Nov. 12, 2030 1,078 Disposed
Aug. 20, 2024 CBT Employee Stock Option (Right to Buy) Common Stock (4,379) $40.97 Nov. 12, 2030 4,379 Disposed
Aug. 19, 2024 CBT Employee Stock Option (Right to Buy) Common Stock (14,863) $40.97 Nov. 12, 2030 14,863 Disposed
June 14, 2024 CBT Phantom Stock Units Common Stock (41) — — 41 Acquired
May 16, 2024 CBT Employee Stock Option (Right to Buy) Common Stock (12,000) $40.97 Nov. 12, 2030 12,000 Disposed
May 15, 2024 CBT Employee Stock Option (Right to Buy) Common Stock (187) $40.97 Nov. 12, 2030 187 Disposed
March 8, 2024 CBT Phantom Stock Units Common Stock (43) — — 43 Acquired
Dec. 29, 2023 CBT Phantom Stock Units Common Stock (559) — — 559 Acquired
Dec. 8, 2023 CBT Phantom Stock Units Common Stock (45) — — 45 Acquired
Nov. 10, 2023 CBT Employee Stock Option (Right to Buy) Common Stock (26,217) $50.23 Nov. 7, 2029 26,217 Disposed
Nov. 10, 2023 CBT Employee Stock Option (Right to Buy) Common Stock (24,475) $50.00 Nov. 8, 2028 24,475 Disposed
Nov. 10, 2023 CBT Employee Stock Option (Right to Buy) Common Stock (14,040) $74.40 Nov. 9, 2033 14,040 Acquired
Sept. 29, 2023 CBT Phantom Stock Units Common Stock (44) — — 44 Acquired
Sept. 8, 2023 CBT Phantom Stock Units Common Stock (49) — — 49 Acquired
June 9, 2023 CBT Phantom Stock Units Common Stock (47) — — 47 Acquired
March 10, 2023 CBT Phantom Stock Units Common Stock (42) — — 42 Acquired
Dec. 30, 2022 CBT Phantom Stock Units Common Stock (869) — — 869 Acquired
Dec. 9, 2022 CBT Phantom Stock Units Common Stock (40) — — 40 Acquired
Nov. 11, 2022 CBT Employee Stock Option (Right to Buy) Common Stock (13,984) $73.84 Nov. 10, 2032 13,984 Acquired
Sept. 30, 2022 CBT Phantom Stock Units Common Stock (119) — — 119 Acquired
Sept. 9, 2022 CBT Phantom Stock Units Common Stock (39) — — 39 Acquired
June 10, 2022 CBT Phantom Stock Units Common Stock (39) — — 39 Acquired
June 2, 2022 CBT Employee Stock Option (Right to Buy) Common Stock (17,235) $62.24 Nov. 9, 2027 17,235 Disposed
March 11, 2022 CBT Phantom Stock Units Common Stock (40) — — 40 Acquired
Feb. 16, 2022 CBT Stock Options Cabot Corp (11,805) $50.46 Nov. 10, 2026 11,805 Acquired
Feb. 11, 2022 CBT Stock Options Cabot Corp (6,753) $50.46 Nov. 10, 2026 6,753 Acquired
Dec. 31, 2021 CBT Phantom Stock Units Common Stock (1,309) — — 1,309 Acquired
Dec. 10, 2021 CBT Phantom Stock Units Common Stock (41) — — 41 Acquired
Nov. 12, 2021 CBT Employee Stock Option (Right to Buy) Common Stock (20,297) $58.27 Nov. 11, 2031 20,297 Acquired
Sept. 30, 2021 CBT Phantom Stock Units Common Stock (159) — — 159 Acquired
Sept. 10, 2021 CBT Phantom Stock Units Common Stock (42) — — 42 Acquired
June 11, 2021 CBT Phantom Stock Units Common Stock (33) — — 33 Acquired
May 6, 2021 CBT Stock Options Cabot Corp (4,017) $46.03 Nov. 13, 2024 4,017 Acquired
May 6, 2021 CBT Stock Options Cabot Corp (4,251) $47.23 April 6, 2026 4,251 Acquired
May 5, 2021 CBT Stock Options Cabot Corp (5,763) $39.54 Nov. 11, 2025 5,763 Acquired
March 12, 2021 CBT Phantom Stock Units Common Stock (39) — — 39 Acquired
Dec. 31, 2020 CBT Phantom Stock Units Common Stock (138) — — 138 Acquired
Dec. 11, 2020 CBT Phantom Stock Common Stock (48) — — 48 Acquired
Nov. 13, 2020 CBT Employee Stock Option (Right to Buy) Common Stock (32,507) $40.97 Nov. 12, 2030 32,507 Acquired
Sept. 30, 2020 CBT Phantom Stock Units Common Stock (93) — — 93 Acquired
Sept. 11, 2020 CBT Phantom Stock Common Stock (52) — — 52 Acquired
June 12, 2020 CBT Phantom Stock Common Stock (54) — — 54 Acquired
March 13, 2020 CBT Phantom Stock Common Stock (59) — — 59 Acquired
Dec. 31, 2019 CBT Phantom Stock Units Common Stock (575) — — 575 Acquired
Dec. 13, 2019 CBT Phantom Stock Common Stock (36) — — 36 Acquired
Nov. 8, 2019 CBT Employee Stock Option (Right To Buy) Common Stock (26,217) $50.23 Nov. 7, 2029 26,217 Acquired
Sept. 30, 2019 CBT Phantom Stock Units Common Stock (168) — — 168 Acquired
Sept. 13, 2019 CBT Phantom Stock Common Stock (35) — — 35 Acquired
June 14, 2019 CBT Phantom Stock Common Stock (36) — — 36 Acquired
March 8, 2019 CBT Phantom Stock Common Stock (35) — — 35 Acquired
Dec. 31, 2018 CBT Phantom Stock Units Common Stock (1,136) — — 1,136 Acquired
Dec. 14, 2018 CBT Phantom Stock Common Stock (26) — — 26 Acquired
Nov. 9, 2018 CBT Employee Stock Option (Right to Buy) Common Stock (24,475) $50.00 Nov. 8, 2028 24,475 Acquired
Sept. 30, 2018 CBT Phantom Stock Common Stock (78) — — 78 Acquired
Sept. 14, 2018 CBT Phantom Stock Common Stock (18) — — 18 Acquired
June 8, 2018 CBT Phantom Stock Common Stock (17) — — 17 Acquired
March 9, 2018 CBT Phantom Stock Common Stock (17) — — 17 Acquired
Dec. 31, 2017 CBT Phantom Stock Units Common Stock (669) — — 669 Acquired
Dec. 8, 2017 CBT Phantom Stock Common Stock (14) — — 14 Acquired
Nov. 10, 2017 CBT Employee Stock Option (Right to Buy) Common Stock (17,235) $62.24 Nov. 9, 2027 17,235 Acquired
Sept. 30, 2017 CBT Phantom Stock Common Stock (28) — — 28 Acquired
Sept. 14, 2017 CBT Employee Stock (Option to Buy) Common Stock (3,881) $16.90 May 6, 2019 3,881 Disposed
Sept. 8, 2017 CBT Phantom Stock Common Stock (16) — — 16 Acquired
June 9, 2017 CBT Phantom Stock Common Stock (15) — — 15 Acquired
March 10, 2017 CBT Phantom Stock Common Stock (13) — — 13 Acquired
Feb. 13, 2017 CBT Employee Stock Option (Right to Buy) Common Stock (3,124) $16.90 May 6, 2019 3,124 Disposed
Feb. 10, 2017 CBT Employee Stock Option (Right to Buy) Common Stock (4,405) $16.90 May 6, 2019 4,405 Disposed
Dec. 31, 2016 CBT Phantom Stock Units Common Stock (538) — — 538 Acquired
Dec. 9, 2016 CBT Phantom Stock Common Stock (11) — — 11 Acquired
Nov. 25, 2016 CBT Employee Stock Option (Right to Buy) Common Stock (4,890) $16.90 May 6, 2019 4,890 Disposed
Nov. 11, 2016 CBT Employee Stock Option (Right to Buy) Common Stock (18,558) $50.46 Nov. 10, 2026 18,558 Acquired
Sept. 9, 2016 CBT Phantom Stock Common Stock (12) — — 12 Acquired
June 10, 2016 CBT Phantom Stock Common Stock (13) — — 13 Acquired
April 7, 2016 CBT Employee Stock Option (Right to Buy) Common Stock (4,251) $47.23 April 6, 2026 4,251 Acquired

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

Initial ownership (Form 3) 7 holdings

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

Date Ticker Security Shares Ownership
April 11, 2016 CBT Common Stock — Direct
April 11, 2016 CBT Common Stock 14,130 Indirect
April 11, 2016 CBT Common Stock 5,818 Indirect
April 11, 2016 CBT Employee Stock Option (Right to Buy)→ Common Stock (16,300) 16,300 Direct
April 11, 2016 CBT Employee Stock Option (Right to Buy)→ Common Stock (4,017) 4,017 Direct
April 11, 2016 CBT Employee Stock Option (Right to Buy)→ Common Stock (5,763) 5,763 Direct
April 11, 2016 CBT Phantom Stock→ Common Stock (1,980) 1,980 Direct

Compensation (DEF 14A)

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

CBT

President & President, Reinforcement Materials Segment & Americas Region, & executive responsible for Digital
Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2023 $546,818 — $682,356 $367,514 $372,067 $7,080 $100,533 $2,076,368
2022 $517,603 — $601,230 $323,737 $540,316 $5,735 $115,142 $2,103,763
2021 $499,772 — $584,969 $314,928 $599,204 $7,138 $111,440 $2,117,451

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