Sanat Chattopadhyay

Insider Reports History

Location
Rahway, NJ
Signature
/s/ Kelly E. W. Grez as Attorney-in-Fact for Sanat Chattopadhyay
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 Sanat Chattopadhyay:

Company Role Class Num Shares Value Price $ Report Date Ownership
Merck & Co., Inc. Exe V-P & Pres. MMD Common Stock 74,289 $7,819,660 $105.26 26 Jan 2026 By GRAT April 2025
Merck & Co., Inc. Exe V-P & Pres. MMD Common Stock 57,622 $6,065,291 $105.26 26 Jan 2026 By GRAT August 2025
Merck & Co., Inc. Exe V-P & Pres. MMD Common Stock 53,417 $5,622,673 $105.26 26 Jan 2026 By GRAT February 2025
Merck & Co., Inc. Exe V-P & Pres. MMD Common Stock 13,880 $1,490,712 $107.40 26 Jan 2026 Direct
ASHLAND INC. Director Restricted Stock Units 6,711 $410,914 $61.23 20 Jan 2026 Direct
ASHLAND INC. Director Common Stock Units 1,679 $98,506 $58.67 31 Dec 2025 Direct
Merck & Co., Inc. Exe V-P & Pres. MMD Stock Option (Right to Buy) 35,465 29 Apr 2025 Direct
Merck & Co., Inc. Exe V-P & Pres. MMD Restricted Stock Unit 7,791 29 Apr 2025 Direct

Insider Reports Filed by Sanat Chattopadhyay

Symbol Company Period Transactions Value $ Form Type Role Filing Time
MRK Merck & Co., Inc. 26 Jan 2026 1 +$1,490,712 4 Exe V-P & Pres. MMD 28 Jan 2026, 16:01
ASH ASHLAND INC. 20 Jan 2026 1 +$149,952 4 Director 21 Jan 2026, 17:59
ASH ASHLAND INC. 31 Dec 2025 1 +$14,374 4 Director 05 Jan 2026, 16:30
ASH ASHLAND INC. 30 Sep 2025 1 +$14,373 4 Director 02 Oct 2025, 16:30
ASH ASHLAND INC. 30 Jun 2025 1 +$14,380 4 Director 02 Jul 2025, 16:30
MRK Merck & Co., Inc. 29 Apr 2025 2 $0 4 Exe V-P & Pres. MMD 01 May 2025, 18:12
ASH ASHLAND INC. 31 Mar 2025 1 +$13,933 4 Director 01 Apr 2025, 17:00
MRK Merck & Co., Inc. 27 Jan 2025 1 +$2,755,640 4 Exe V-P & Pres. MMD 29 Jan 2025, 18:09
ASH ASHLAND INC. 21 Jan 2025 1 +$149,978 4 Director 23 Jan 2025, 16:30
ASH ASHLAND INC. 31 Dec 2024 1 +$12,506 4 Director 02 Jan 2025, 16:30
ASH ASHLAND INC. 30 Sep 2024 1 +$12,524 4 Director 02 Oct 2024, 16:30
ASH ASHLAND INC. 28 Jun 2024 1 +$12,473 4 Director 01 Jul 2024, 16:30
MRK Merck & Co., Inc. 30 Apr 2024 1 $0 4 Exe V-P & Pres. MMD 02 May 2024, 16:13
ASH ASHLAND INC. 28 Mar 2024 1 +$12,463 4 Director 01 Apr 2024, 16:15
ASH ASHLAND INC. 23 Jan 2024 1 +$149,958 4 Director 25 Jan 2024, 17:35
MRK Merck & Co., Inc. 22 Jan 2024 1 +$3,190,692 4 Exe V-P & Pres. MMD 24 Jan 2024, 16:05
ASH ASHLAND INC. 13 Nov 2023 0 $0 3/A Director 15 Nov 2023, 15:42
ASH ASHLAND INC. 13 Nov 2023 1 +$20,116 4 Director 14 Nov 2023, 17:31
MRK Merck & Co., Inc. 02 May 2023 1 $0 4 Exe V-P & Pres. MMD 04 May 2023, 18:18
MRK Merck & Co., Inc. 13 Apr 2023 6 -$7,513,663 4 Exe V-P & Pres. MMD 14 Apr 2023, 16:34
MRK Merck & Co., Inc. 23 Jan 2023 1 +$1,922,351 4 Exe V-P & Pres. MMD 25 Jan 2023, 15:35
MRK Merck & Co., Inc. 09 Jan 2023 7 -$4,975,194 4 Exe V-P & Pres. MMD 11 Jan 2023, 15:22
MRK Merck & Co., Inc. 28 Oct 2022 7 -$10,039,380 4 Exe V-P & Pres. MMD 01 Nov 2022, 17:07
MRK Merck & Co., Inc. 03 May 2022 1 $0 4 Exe V-P & Pres. MMD 05 May 2022, 16:57
MRK Merck & Co., Inc. 24 Feb 2022 1 +$1,458,144 4 Exe V-P & Pres. MMD 28 Feb 2022, 15:09
MRK Merck & Co., Inc. 29 Oct 2021 3 -$2,149,731 4 Exe V-P & Pres. MMD 02 Nov 2021, 18:14