Hobart Kalkstein

Insider Reports History

Location
Boston, MA
Signature
By: Mazda Cintron, pursuant to a power of attorney from Hobart C. Kalkstein
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Hobart Kalkstein:

Company Role Class Num Shares Value Price $ Report Date Ownership
CABOT CORP Executive Vice President Common Stock 53,169 $5,785,851 $108.82 18 Nov 2024 Direct
CABOT CORP Executive Vice President Common Stock 7,163 $779,449 $108.82 18 Nov 2024 Through the Trustee for the Corporation's 401(k) Plan
CABOT CORP Executive Vice President Phantom Stock Units 10,356 $773,813 $74.72 13 Jun 2025 Direct
CABOT CORP Executive Vice President Employee Stock Option (Right to Buy) 5,594 11 Nov 2024 Direct

Insider Reports Filed by Hobart Kalkstein

Symbol Company Period Transactions Value $ Form Type Role Filing Time
CBT CABOT CORP 13 Jun 2025 1 +$4,632 4 Executive Vice President 16 Jun 2025, 18:30
CBT CABOT CORP 14 Mar 2025 1 +$4,404 4 Executive Vice President 18 Mar 2025, 17:30
CBT CABOT CORP 31 Dec 2024 1 +$63,610 4 Executive Vice President 03 Jan 2025, 17:30
CBT CABOT CORP 13 Dec 2024 1 +$4,087 4 Executive Vice President 17 Dec 2024, 17:12
CBT CABOT CORP 18 Nov 2024 2 -$409,707 4 Executive Vice President 20 Nov 2024, 17:00
CBT CABOT CORP 08 Nov 2024 10 -$2,935,232 4 Executive Vice President 13 Nov 2024, 17:00
CBT CABOT CORP 30 Sep 2024 1 +$8,108 4 Executive Vice President 02 Oct 2024, 17:30
CBT CABOT CORP 13 Sep 2024 1 +$4,039 4 Executive Vice President 17 Sep 2024, 17:00
CBT CABOT CORP 19 Aug 2024 9 -$1,216,217 4 Executive Vice President 21 Aug 2024, 17:00
CBT CABOT CORP 14 Jun 2024 1 +$4,022 4 Executive Vice President 18 Jun 2024, 17:05
CBT CABOT CORP 15 May 2024 6 -$738,556 4 Executive Vice President 17 May 2024, 16:30
CBT CABOT CORP 07 Mar 2024 2 -$669,370 4 Executive Vice President 11 Mar 2024, 16:30
CBT CABOT CORP 29 Dec 2023 1 +$46,704 4 Executive Vice President 03 Jan 2024, 16:30
CBT CABOT CORP 08 Dec 2023 1 +$3,482 4 Executive Vice President 12 Dec 2023, 16:30
CBT CABOT CORP 20 Nov 2023 2 -$579,112 4 Executive Vice President 22 Nov 2023, 16:00
CBT CABOT CORP 10 Nov 2023 9 -$1,441,811 4 Executive Vice President 14 Nov 2023, 17:00
CBT CABOT CORP 29 Sep 2023 1 +$3,032 4 Executive Vice President 03 Oct 2023, 19:00
CBT CABOT CORP 08 Sep 2023 1 +$3,445 4 Executive Vice President 11 Sep 2023, 18:15
CBT CABOT CORP 09 Jun 2023 1 +$3,426 4 Executive Vice President 13 Jun 2023, 16:25
CBT CABOT CORP 10 Mar 2023 1 +$3,154 4 Executive Vice President 14 Mar 2023, 13:00
CBT CABOT CORP 03 Mar 2023 1 -$832,573 4 Executive Vice President 06 Mar 2023, 16:15
CBT CABOT CORP 30 Dec 2022 1 +$58,069 4 Executive Vice President 04 Jan 2023, 16:21
CBT CABOT CORP 09 Dec 2022 1 +$2,818 4 Senior Vice President 13 Dec 2022, 11:30
CBT CABOT CORP 21 Nov 2022 2 -$217,462 4 Senior Vice President 22 Nov 2022, 15:05
CBT CABOT CORP 11 Nov 2022 2 $0 4 Senior Vice President 15 Nov 2022, 15:05
CBT CABOT CORP 08 Nov 2022 1 -$148,548 4 Senior Vice President 09 Nov 2022, 15:05
CBT CABOT CORP 30 Sep 2022 1 +$7,602 4 Senior Vice President 03 Oct 2022, 16:05
CBT CABOT CORP 09 Sep 2022 1 +$2,823 4 Senior Vice President 12 Sep 2022, 16:45
CBT CABOT CORP 10 Jun 2022 1 +$2,809 4 Senior Vice President 13 Jun 2022, 20:00
CBT CABOT CORP 02 Jun 2022 3 -$269,280 4 Senior Vice President 06 Jun 2022, 16:18
CBT CABOT CORP 11 Mar 2022 1 +$2,794 4 Senior Vice President 15 Mar 2022, 16:20
CBT CABOT CORP 16 Feb 2022 3 +$323,693 4 Senior Vice President 17 Feb 2022, 11:54
CBT CABOT CORP 11 Feb 2022 3 +$204,751 4 Senior Vice President 15 Feb 2022, 16:38
CBT CABOT CORP 09 Feb 2022 2 -$277,800 4 Senior Vice President 11 Feb 2022, 11:33
CBT CABOT CORP 31 Dec 2021 1 +$73,542 4 Senior Vice President 04 Jan 2022, 12:15
CBT CABOT CORP 10 Dec 2021 1 +$2,295 4 Senior Vice President 13 Dec 2021, 15:46
CBT CABOT CORP 22 Nov 2021 2 -$65,230 4 Senior Vice President 24 Nov 2021, 08:01
CBT CABOT CORP 12 Nov 2021 2 $0 4 Senior Vice President 16 Nov 2021, 16:23
CBT CABOT CORP 09 Nov 2021 1 -$81,060 4 Senior Vice President 12 Nov 2021, 07:52
CBT CABOT CORP 30 Sep 2021 1 +$7,993 4 Senior Vice President 04 Oct 2021, 10:48
CBT CABOT CORP 10 Sep 2021 1 +$2,101 4 Senior Vice President 13 Sep 2021, 20:46
CBT CABOT CORP 11 Jun 2021 1 +$2,089 4 Senior Vice President 14 Jun 2021, 19:08
CBT CABOT CORP 05 May 2021 8 +$358,849 4 Senior Vice President 07 May 2021, 15:28