Juliana Papa Drinane - 07 Nov 2025 Form 4/A - Amendment Insider Report for Organon & Co. (OGN)

Role: Interim Head of Mfg & Supply
Signature: /s/ Tarnetta V. Jones, as Attorney-in-Fact for Juliana Drinane
Issuer symbol: OGN
Transactions as of: 07 Nov 2025
Net transactions value: -$8,334
Form type: 4/A - Amendment
Filing time: 16 Jan 2026, 16:37:45 UTC
Date Of Original Report: 12 Nov 2025
Previous filing: 12 Nov 2025
Next filing: 17 Nov 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Drinane Juliana Papa	Interim Head of Mfg & Supply	C/O ORGANON &CO., 30 HUDSON STREET, FLOOR 33, JERSEY CITY	/s/ Tarnetta V. Jones, as Attorney-in-Fact for Juliana Drinane	16 Jan 2026	0002096406

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	OGN	Common Stock	Tax liability	$8,334	-1,242	-6.7%	$6.71	17,175	07 Nov 2025	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	On November 12, 2025, the reporting person filed a Form 4 which inadvertently reported that she acquired (A) 1,242 shares of Organon & Co. (Organon) common stock due to the sale of shares to satisfy a tax liability related to the acquisition of other shares of Organon common stock (code F), where in fact this number of shares should have been reported as a transaction resulting in her disposal (D) of such shares to satisfy the tax liability. As a result, the total amount of securities beneficially owned by the reporting person following such sale transaction on November 7, 2025, is now correctly reported on this Form 4 in column 5 as 17,174.703.

Content

On November 12, 2025, the reporting person filed a Form 4 which inadvertently reported that she acquired (A) 1,242 shares of Organon & Co. (Organon) common stock due to the sale of shares to satisfy a tax liability related to the acquisition of other shares of Organon common stock (code F), where in fact this number of shares should have been reported as a transaction resulting in her disposal (D) of such shares to satisfy the tax liability. As a result, the total amount of securities beneficially owned by the reporting person following such sale transaction on November 7, 2025, is now correctly reported on this Form 4 in column 5 as 17,174.703.