Christine E. Seidman

Insider Reports History

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

Form 4 holding Director

Merck & Co., Inc.

Security class: Phantom Stock
Shares / value: 19,238
Estimated value: $2,002,641
Report date: 31 Mar 2026
Price: $105.26
Ownership: Direct
Underlying class: Common Stock
Underlying amount

Form 4 holding Director

Merck & Co., Inc.

Security class: Common Stock
Shares / value: 100
Estimated value: $10,526
Report date: 31 Mar 2026
Price: $105.26
Ownership: Direct

Insider Reports Filed by Christine E. Seidman

4 MRK

Merck & Co., Inc.

Report period: 31 Mar 2026
Transactions: 1
Transaction value: $0
Filing time: 01 Apr 2026, 13:47
Role: Director
Next action: Open filing details

4 MRK

Merck & Co., Inc.

Report period: 31 Dec 2025
Transactions: 1
Transaction value: +$8,125
Filing time: 05 Jan 2026, 12:22
Role: Director
Next action: Open filing details

4 MRK

Merck & Co., Inc.

Report period: 30 Sep 2025
Transactions: 1
Transaction value: +$8,125
Filing time: 02 Oct 2025, 09:31
Role: Director
Next action: Open filing details

4 MRK

Merck & Co., Inc.

Report period: 30 Jun 2025
Transactions: 1
Transaction value: +$8,125
Filing time: 02 Jul 2025, 12:08
Role: Director
Next action: Open filing details

4 MRK

Merck & Co., Inc.

Report period: 30 May 2025
Transactions: 1
Transaction value: +$220,000
Filing time: 03 Jun 2025, 13:22
Role: Director
Next action: Open filing details

4 MRK

Merck & Co., Inc.

Report period: 31 Mar 2025
Transactions: 1
Transaction value: +$8,125
Filing time: 02 Apr 2025, 09:57
Role: Director
Next action: Open filing details

4 MRK

Merck & Co., Inc.

Report period: 31 Dec 2024
Transactions: 1
Transaction value: +$8,125
Filing time: 03 Jan 2025, 13:57
Role: Director
Next action: Open filing details

4 MRK

Merck & Co., Inc.

Report period: 30 Sep 2024
Transactions: 1
Transaction value: +$8,125
Filing time: 01 Oct 2024, 14:16
Role: Director
Next action: Open filing details

4 MRK

Merck & Co., Inc.

Report period: 28 Jun 2024
Transactions: 1
Transaction value: +$8,125
Filing time: 02 Jul 2024, 13:25
Role: Director
Next action: Open filing details

4 MRK

Merck & Co., Inc.

Report period: 31 May 2024
Transactions: 1
Transaction value: +$220,000
Filing time: 04 Jun 2024, 15:00
Role: Director
Next action: Open filing details

4 MRK

Merck & Co., Inc.

Report period: 28 Mar 2024
Transactions: 1
Transaction value: +$8,125
Filing time: 29 Mar 2024, 16:16
Role: Director
Next action: Open filing details

4 MRK

Merck & Co., Inc.

Report period: 29 Dec 2023
Transactions: 1
Transaction value: +$8,125
Filing time: 02 Jan 2024, 16:22
Role: Director
Next action: Open filing details

4 MRK

Merck & Co., Inc.

Report period: 29 Sep 2023
Transactions: 1
Transaction value: +$8,125
Filing time: 03 Oct 2023, 15:33
Role: Director
Next action: Open filing details

4 MRK

Merck & Co., Inc.

Report period: 30 Jun 2023
Transactions: 1
Transaction value: +$8,125
Filing time: 05 Jul 2023, 16:48
Role: Director
Next action: Open filing details

4 MRK

Merck & Co., Inc.

Report period: 26 May 2023
Transactions: 1
Transaction value: +$220,000
Filing time: 31 May 2023, 14:55
Role: Director
Next action: Open filing details

4 MRK

Merck & Co., Inc.

Report period: 31 Mar 2023
Transactions: 1
Transaction value: +$8,125
Filing time: 03 Apr 2023, 16:42
Role: Director
Next action: Open filing details

4 MRK

Merck & Co., Inc.

Report period: 30 Dec 2022
Transactions: 1
Transaction value: +$8,125
Filing time: 03 Jan 2023, 15:35
Role: Director
Next action: Open filing details

4 MRK

Merck & Co., Inc.

Report period: 30 Sep 2022
Transactions: 1
Transaction value: +$8,125
Filing time: 04 Oct 2022, 11:50
Role: Director
Next action: Open filing details

4 MRK

Merck & Co., Inc.

Report period: 30 Jun 2022
Transactions: 1
Transaction value: +$8,125
Filing time: 05 Jul 2022, 14:05
Role: Director
Next action: Open filing details

4 MRK

Merck & Co., Inc.

Report period: 27 May 2022
Transactions: 1
Transaction value: +$220,000
Filing time: 01 Jun 2022, 16:24
Role: Director
Next action: Open filing details

4 MRK

Merck & Co., Inc.

Report period: 31 Mar 2022
Transactions: 1
Transaction value: +$16,250
Filing time: 01 Apr 2022, 13:39
Role: Director
Next action: Open filing details

4 MRK

Merck & Co., Inc.

Report period: 31 Dec 2021
Transactions: 1
Transaction value: +$16,250
Filing time: 04 Jan 2022, 15:09
Role: Director
Next action: Open filing details

4 MRK

Merck & Co., Inc.

Report period: 30 Sep 2021
Transactions: 1
Transaction value: +$16,250
Filing time: 01 Oct 2021, 11:33
Role: Director
Next action: Open filing details

4 MRK

Merck & Co., Inc.

Report period: 30 Jun 2021
Transactions: 1
Transaction value: +$16,250
Filing time: 02 Jul 2021, 09:36
Role: Director
Next action: Open filing details

4 MRK

Merck & Co., Inc.

Report period: 28 May 2021
Transactions: 1
Transaction value: +$200,000
Filing time: 02 Jun 2021, 14:02
Role: Director
Next action: Open filing details

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