Kirke Weaver - 27 Feb 2026 Form 4 Insider Report for Organon & Co. (OGN)

Role
Gen. Counsel & Corp. Secy.
Signature
/s/ Faye C. Brown, as Attorney-in-Fact for Kirke Weaver
Issuer symbol
OGN
Transactions as of
27 Feb 2026
Net transactions value
-$61,610
Form type
4
Filing time
03 Mar 2026, 18:58:22 UTC
Previous filing
07 May 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Weaver Kirke Gen. Counsel & Corp. Secy. C/O ORGANON & CO., 30 HUDSON STREET, FLOOR 33, JERSEY CITY /s/ Faye C. Brown, as Attorney-in-Fact for Kirke Weaver 03 Mar 2026 0001959622

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction OGN Common Stock Award $0 +21,925 +42% $0.000000 74,414 27 Feb 2026 Direct F1
transaction OGN Common Stock Tax liability $48,864 -6,815 -9.2% $7.17 67,599 27 Feb 2026 Direct
transaction OGN Common Stock Award $0 +6,186 +9.2% $0.000000 73,785 27 Feb 2026 Direct F2
transaction OGN Common Stock Tax liability $12,746 -1,763 -2.3% $7.23 73,854 27 Feb 2026 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents shares of Organon & Co. common stock ("Common Stock") for performance share units ("PSUs") granted to the reporting person on August 11, 2023 under the Organon & Co. 2021 Incentive Stock Plan. The performance-vesting restrictions with respect to these shares were released upon certification of performance goal attainment by the Talent Committee of Organon's Board of Directors.
F2 Represents the shares of Common Stock released to cover the dividend equivalents earned on the PSUs released above.
F3 Includes the addition of 1,832.163 shares of Common Stock acquired from dividend equivalents not previously required to be reported.

Remarks:

Exhibit 24 - Power of Attorney