Sanat Chattopadhyay

CIK 1670690 · View on SEC EDGAR ↗

Insider

First SEC filing: April 8, 2016 · Latest: May 1, 2026

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 73 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

73 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
April 13, 2023 MRK S 10b5-1 67,892 $115.07 $7,812,332 0 Direct -100.00% Disposed 31.8% (price as of 2026-08-21)
April 13, 2023 MRK S 10b5-1 66,163 $115.06 $7,612,715 67,892 Direct -49.36% Disposed 31.8% (price as of 2026-08-21)
Jan. 9, 2023 MRK S 10b5-1 1,702 $114.46 $194,811 29,500 Direct -5.45% Disposed 32.5% (price as of 2026-08-21)
Jan. 9, 2023 MRK S 10b5-1 38,216 $113.78 $4,348,216 31,202 Direct -55.05% Disposed 33.3% (price as of 2026-08-21)
Jan. 9, 2023 MRK S 10b5-1 3,940 $112.78 $444,353 69,418 Direct -5.37% Disposed 34.5% (price as of 2026-08-21)
Jan. 9, 2023 MRK S 10b5-1 4,538 $111.73 $507,031 73,358 Direct -5.83% Disposed 35.7% (price as of 2026-08-21)
Jan. 9, 2023 MRK S 10b5-1 35,598 $110.61 $3,937,495 77,896 Direct -31.37% Disposed 37.1% (price as of 2026-08-21)
Oct. 28, 2022 MRK S 100,292 $100.10 $10,039,229 45,608 Direct -68.74% Disposed 51.5% (price as of 2026-08-21)
Oct. 29, 2021 MRK S 10b5-1 24,619 $87.32 $2,149,731 93,145 Direct -20.91% Disposed 73.7% (price as of 2026-08-21)
Aug. 13, 2020 MRK S 10,380 $83.01 $861,644 67,373 Direct -13.35% Disposed 91.5% (price as of 2026-08-21)
Feb. 12, 2019 MRK S 73,727 $78.62 $5,796,417 51,467 Direct -58.89% Disposed 102.2% (price as of 2026-08-21)
Aug. 3, 2018 MRK S 29,208 $65.20 $1,904,362 51,467 Direct -36.20% Disposed 143.8% (price as of 2026-08-21)

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 30, 2026 ASH Common Stock Units Common Stock (218) — — 218 Acquired
April 29, 2026 MRK Restricted Stock Unit Common Stock (2,597) — April 29, 2028 2,597 Disposed
March 31, 2026 ASH Common Stock Units Common Stock (258) — — 258 Acquired
Jan. 20, 2026 ASH Restricted Stock Units Common Stock (2,449) — — 2,449 Acquired
Dec. 31, 2025 ASH Common Stock Units Common Stock (245) — — 245 Acquired
Sept. 30, 2025 ASH Common Stock Units Common Stock (300) — — 300 Acquired
June 30, 2025 ASH Common Stock Units Common Stock (286) — — 286 Acquired
April 29, 2025 MRK Stock Option (Right to Buy) Common Stock (35,465) $84.71 April 28, 2035 35,465 Acquired
April 29, 2025 MRK Restricted Stock Unit Common Stock (7,791) — April 29, 2028 7,791 Acquired
March 31, 2025 ASH Common Stock Units Common Stock (235) — — 235 Acquired
Jan. 21, 2025 ASH Restricted Stock Units Common Stock (2,050) — — 2,050 Acquired
Dec. 31, 2024 ASH Common Stock Units Common Stock (175) — — 175 Acquired
Sept. 30, 2024 ASH Common Stock Units Common Stock (144) — — 144 Acquired
June 28, 2024 ASH Common Stock Units Common Stock (132) — — 132 Acquired
April 30, 2024 MRK Stock Option (Right to Buy) Common Stock (38,672) $129.22 April 29, 2034 38,672 Acquired
March 28, 2024 ASH Common Stock Units Common Stock (128) — — 128 Acquired
Jan. 23, 2024 ASH Restricted Stock Units Common Stock (1,897) — — 1,897 Acquired
Nov. 13, 2023 ASH Restricted Stock Units Common Stock (275) — — 275 Acquired
May 2, 2023 MRK Stock Option (Right to Buy) Common Stock (45,643) $117.89 May 1, 2033 45,643 Acquired
April 13, 2023 MRK Stock Option (Right to Buy) Common Stock (66,163) — May 4, 2027 66,163 Disposed
April 13, 2023 MRK Stock Option (Right to Buy) Common Stock (67,892) — May 3, 2028 67,892 Disposed
Jan. 9, 2023 MRK Stock Option (Right to Buy) Common Stock (83,994) — May 9, 2026 83,994 Disposed
Oct. 28, 2022 MRK Stock Option (Right to Buy) Common Stock (51,055) — April 30, 2025 51,055 Disposed
Oct. 28, 2022 MRK Stock Option (Right to Buy) Common Stock (34,024) — May 1, 2024 34,024 Disposed
Oct. 28, 2022 MRK Stock Option (Right to Buy) Common Stock (15,213) $43.65 May 5, 2023 15,213 Disposed
May 3, 2022 MRK Stock Option (Right to Buy) Common Stock (58,252) $87.10 May 2, 2032 58,252 Acquired
Oct. 29, 2021 MRK Stock Option (Right to Buy) Common Stock (24,619) — May 5, 2023 24,619 Disposed
May 4, 2021 MRK Stock Option (Right to Buy) Common Stock (85,714) $75.99 May 3, 2031 85,714 Acquired
May 1, 2020 MRK Stock Option (Right to Buy) Common Stock (84,576) $77.67 April 30, 2030 84,576 Acquired
May 3, 2019 MRK Stock Option (right to buy) Common Stock (64,922) $80.00 May 2, 2029 64,922 Acquired
Feb. 12, 2019 MRK Stock Option (right to buy) Common Stock (43,876) $39.29 May 1, 2022 43,876 Disposed
Feb. 12, 2019 MRK Stock Option (right to buy) Common Stock (29,851) $36.56 May 3, 2021 29,851 Disposed
Aug. 3, 2018 MRK Stock Option (right to buy) Common Stock (10,000) $37.49 Feb. 18, 2020 10,000 Disposed
Aug. 3, 2018 MRK Stock Option (right to buy) Common Stock (19,208) $33.49 May 6, 2020 19,208 Disposed
May 4, 2018 MRK Stock Option (right to buy) Common Stock (65,872) $57.75 May 3, 2028 65,872 Acquired
May 1, 2018 MRK Restricted Stock Unit Common Stock (4,009) — May 1, 2018 4,009 Disposed
Nov. 9, 2017 MRK Phantom Stock Common Stock (13,100) — — 13,100 Acquired
May 5, 2017 MRK Stock Option (right to buy) Common Stock (64,194) $63.97 May 4, 2027 64,194 Acquired
May 2, 2017 MRK Restricted Stock Unit Common Stock (3,092) — May 2, 2017 3,092 Disposed
Aug. 2, 2016 MRK Restricted Stock Unit Common Stock (5,150) — Aug. 2, 2016 5,150 Disposed
May 10, 2016 MRK Stock Option (right to buy) Common Stock (81,494) $54.68 May 9, 2026 81,494 Acquired
May 6, 2016 MRK Restricted Stock Unit Common Stock (4,002) — May 6, 2016 4,002 Disposed

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

Initial ownership (Form 3) 13 holdings

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

Date Ticker Security Shares Ownership
April 8, 2016 MRK Common Stock 29,186 Direct
April 8, 2016 MRK Phantom Stock→ Common Stock — Direct
April 8, 2016 MRK Restricted Stock Unit→ Common Stock (4,009) 4,009 Direct
April 8, 2016 MRK Restricted Stock Unit→ Common Stock (3,092) 3,092 Direct
April 8, 2016 MRK Restricted Stock Unit→ Common Stock (4,002) 4,002 Direct
April 8, 2016 MRK Restricted Stock Unit→ Common Stock (5,150) 5,150 Direct
April 8, 2016 MRK Stock Option (right to buy)→ Common Stock (19,208) 19,208 Direct
April 8, 2016 MRK Stock Option (right to buy)→ Common Stock (29,851) 29,851 Direct
April 8, 2016 MRK Stock Option (right to buy)→ Common Stock (10,000) 10,000 Direct
April 8, 2016 MRK Stock Option (right to buy)→ Common Stock (43,876) 43,876 Direct
April 8, 2016 MRK Stock Option (right to buy)→ Common Stock (38,647) 38,647 Direct
April 8, 2016 MRK Stock Option (right to buy)→ Common Stock (33,012) 33,012 Direct
April 8, 2016 MRK Stock Option (right to buy)→ Common Stock (49,536) 49,536 Direct

Compensation (DEF 14A)

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

MRK

President and President, Merck Manufacturing Division
Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2023 $934,923 $0 — — $1,393,873 $317,466 $160,194 $6,240,360
2022 — — — — — — — —
2021 — — — — — — — —

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