OGN

SEC source: 0001859843-25-000004 · wk-form4_1743629647.xml · derivative · entry 11

Nisita Vittorio · CIK 0001859843 · Head of Global Business Svcs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,863 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each RSU converts into one share of Organon common stock.

F7 · derivative.exercise_date: On March 31, 2022, RSUs were awarded and on March 31, 2025, the final third of these RSUs vested.

F7 · derivative.expiration_date: On March 31, 2022, RSUs were awarded and on March 31, 2025, the final third of these RSUs vested.

SEC source: 0001859843-25-000004 · wk-form4_1743629647.xml · derivative · entry 10

Nisita Vittorio · CIK 0001859843 · Head of Global Business Svcs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,606

Underlying: Common Stock · 4,606 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each RSU converts into one share of Organon common stock.

F6 · derivative.exercise_date: On March 31, 2023, RSUs were awarded and on March 31, 2025, one-third of these RSUs vested with the remaining RSUs to vest on March 31, 2026.

F6 · derivative.expiration_date: On March 31, 2023, RSUs were awarded and on March 31, 2025, one-third of these RSUs vested with the remaining RSUs to vest on March 31, 2026.

SEC source: 0001859843-25-000004 · wk-form4_1743629647.xml · derivative · entry 9

Nisita Vittorio · CIK 0001859843 · Head of Global Business Svcs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,525

Underlying: Common Stock · 5,762 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each RSU converts into one share of Organon common stock.

F5 · derivative.exercise_date: On March 29, 2024, RSUs were granted and on March 29, 2025, one-third of these RSUs vested, with the remaining RSUs to vest on March 29, 2026, and March 29, 2027. Since the first anniversary of the date of grant was on Saturday, March 29, 2025, the vesting occurred on Monday, March 31, 2025, the next business day.

F5 · derivative.expiration_date: On March 29, 2024, RSUs were granted and on March 29, 2025, one-third of these RSUs vested, with the remaining RSUs to vest on March 29, 2026, and March 29, 2027. Since the first anniversary of the date of grant was on Saturday, March 29, 2025, the vesting occurred on Monday, March 31, 2025, the next business day.

SEC source: 0001859843-25-000004 · wk-form4_1743629647.xml · derivative · entry 8

Nisita Vittorio · CIK 0001859843 · Head of Global Business Svcs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,184

Underlying: Common Stock · 25,184 shares

Expires not disclosed

F3 · derivative.exercise_price: Each RSU converts into one share of Organon common stock.

F4 · derivative.exercise_date: The Reporting Person was granted RSUs, which represent a contingent right to receive one share of Organon common stock for each RSU. On March 31, 2025, RSUs were granted and will vest in three equal installments on each of March 31, 2026, March 31, 2027, and March 31, 2028.

F4 · derivative.expiration_date: The Reporting Person was granted RSUs, which represent a contingent right to receive one share of Organon common stock for each RSU. On March 31, 2025, RSUs were granted and will vest in three equal installments on each of March 31, 2026, March 31, 2027, and March 31, 2028.

SEC source: 0001859843-25-000004 · wk-form4_1743629647.xml · derivative · entry 7

Nisita Vittorio · CIK 0001859843 · Head of Global Business Svcs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 123,762

Underlying: Common Stock · 123,762 shares

Expires not disclosed

F2 · derivative.exercise_date: The Reporting Person was granted stock options, which vest and become exercisable in three equal installments on March 31, 2026, March 31, 2027, and March 31, 2028.

F2 · derivative.expiration_date: The Reporting Person was granted stock options, which vest and become exercisable in three equal installments on March 31, 2026, March 31, 2027, and March 31, 2028.

SEC source: 0001859843-25-000004 · wk-form4_1743629647.xml · nonDerivative · entry 6

Nisita Vittorio · CIK 0001859843 · Head of Global Business Svcs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,821.539

F1 · price: This price is the closing market price of Organon & Co. ("Organon") common stock on Friday, March 28, 2025, as required by the plan under which the Restricted Stock Units ("RSU") were awarded.

SEC source: 0001859843-25-000004 · wk-form4_1743629647.xml · nonDerivative · entry 5

Nisita Vittorio · CIK 0001859843 · Head of Global Business Svcs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,802.539

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001859843-25-000004 · wk-form4_1743629647.xml · nonDerivative · entry 4

Nisita Vittorio · CIK 0001859843 · Head of Global Business Svcs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,939.539

F1 · price: This price is the closing market price of Organon & Co. ("Organon") common stock on Friday, March 28, 2025, as required by the plan under which the Restricted Stock Units ("RSU") were awarded.

SEC source: 0001859843-25-000004 · wk-form4_1743629647.xml · nonDerivative · entry 3

Nisita Vittorio · CIK 0001859843 · Head of Global Business Svcs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,517.539

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001859843-25-000004 · wk-form4_1743629647.xml · nonDerivative · entry 2

Nisita Vittorio · CIK 0001859843 · Head of Global Business Svcs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,911.539

F1 · price: This price is the closing market price of Organon & Co. ("Organon") common stock on Friday, March 28, 2025, as required by the plan under which the Restricted Stock Units ("RSU") were awarded.

SEC source: 0001859843-25-000004 · wk-form4_1743629647.xml · nonDerivative · entry 1

Nisita Vittorio · CIK 0001859843 · Head of Global Business Svcs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,885.539

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001859805-25-000004 · wk-form4_1743629588.xml · derivative · entry 11

Morrissey Joseph T. Jr. · CIK 0001859805 · Head of Manufacturing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,937 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each RSU converts into one share of Organon common stock.

F7 · derivative.exercise_date: On March 31, 2022, RSUs were awarded and on March 31, 2025, the final third of these RSUs vested.

F7 · derivative.expiration_date: On March 31, 2022, RSUs were awarded and on March 31, 2025, the final third of these RSUs vested.

SEC source: 0001859805-25-000004 · wk-form4_1743629588.xml · derivative · entry 10

Morrissey Joseph T. Jr. · CIK 0001859805 · Head of Manufacturing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,795

Underlying: Common Stock · 7,795 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each RSU converts into one share of Organon common stock.

F6 · derivative.exercise_date: On March 31, 2023, RSUs were awarded and on March 31, 2025, one-third of these RSUs vested with the remaining RSUs to vest on March 31, 2026.

F6 · derivative.expiration_date: On March 31, 2023, RSUs were awarded and on March 31, 2025, one-third of these RSUs vested with the remaining RSUs to vest on March 31, 2026.

SEC source: 0001859805-25-000004 · wk-form4_1743629588.xml · derivative · entry 9

Morrissey Joseph T. Jr. · CIK 0001859805 · Head of Manufacturing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,504

Underlying: Common Stock · 9,751 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each RSU converts into one share of Organon common stock.

F5 · derivative.exercise_date: On March 29, 2024, RSUs were granted and on March 29, 2025, one-third of these RSUs vested, with the remaining RSUs to vest on March 29, 2026, and March 29, 2027. Since the first anniversary of the date of grant was on Saturday, March 29, 2025, the vesting occurred on Monday, March 31, 2025, the next business day.

F5 · derivative.expiration_date: On March 29, 2024, RSUs were granted and on March 29, 2025, one-third of these RSUs vested, with the remaining RSUs to vest on March 29, 2026, and March 29, 2027. Since the first anniversary of the date of grant was on Saturday, March 29, 2025, the vesting occurred on Monday, March 31, 2025, the next business day.

SEC source: 0001859805-25-000004 · wk-form4_1743629588.xml · derivative · entry 8

Morrissey Joseph T. Jr. · CIK 0001859805 · Head of Manufacturing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,369

Underlying: Common Stock · 50,369 shares

Expires not disclosed

F3 · derivative.exercise_price: Each RSU converts into one share of Organon common stock.

F4 · derivative.exercise_date: The Reporting Person was granted RSUs, which represent a contingent right to receive one share of Organon common stock for each RSU. On March 31, 2025, RSUs were granted and will vest in three equal installments on each of March 31, 2026, March 31, 2027, and March 31, 2028.

F4 · derivative.expiration_date: The Reporting Person was granted RSUs, which represent a contingent right to receive one share of Organon common stock for each RSU. On March 31, 2025, RSUs were granted and will vest in three equal installments on each of March 31, 2026, March 31, 2027, and March 31, 2028.

SEC source: 0001859805-25-000004 · wk-form4_1743629588.xml · derivative · entry 7

Morrissey Joseph T. Jr. · CIK 0001859805 · Head of Manufacturing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 247,524

Underlying: Common Stock · 247,524 shares

Expires not disclosed

F2 · derivative.exercise_date: The Reporting Person was granted stock options, which vest and become exercisable in three equal installments on March 31, 2026, March 31, 2027, and March 31, 2028.

F2 · derivative.expiration_date: The Reporting Person was granted stock options, which vest and become exercisable in three equal installments on March 31, 2026, March 31, 2027, and March 31, 2028.

SEC source: 0001859805-25-000004 · wk-form4_1743629588.xml · nonDerivative · entry 6

Morrissey Joseph T. Jr. · CIK 0001859805 · Head of Manufacturing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 71,561.855

F1 · price: This price is the closing market price of Organon & Co. ("Organon") common stock on Friday, March 28, 2025, as required by the plan under which the Restricted Stock Units ("RSU") were awarded.

SEC source: 0001859805-25-000004 · wk-form4_1743629588.xml · nonDerivative · entry 5

Morrissey Joseph T. Jr. · CIK 0001859805 · Head of Manufacturing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,274.855

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001859805-25-000004 · wk-form4_1743629588.xml · nonDerivative · entry 4

Morrissey Joseph T. Jr. · CIK 0001859805 · Head of Manufacturing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,337.855

F1 · price: This price is the closing market price of Organon & Co. ("Organon") common stock on Friday, March 28, 2025, as required by the plan under which the Restricted Stock Units ("RSU") were awarded.

SEC source: 0001859805-25-000004 · wk-form4_1743629588.xml · nonDerivative · entry 3

Morrissey Joseph T. Jr. · CIK 0001859805 · Head of Manufacturing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 72,728.855

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001859805-25-000004 · wk-form4_1743629588.xml · nonDerivative · entry 2

Morrissey Joseph T. Jr. · CIK 0001859805 · Head of Manufacturing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,933.855

F1 · price: This price is the closing market price of Organon & Co. ("Organon") common stock on Friday, March 28, 2025, as required by the plan under which the Restricted Stock Units ("RSU") were awarded.

SEC source: 0001859805-25-000004 · wk-form4_1743629588.xml · nonDerivative · entry 1

Morrissey Joseph T. Jr. · CIK 0001859805 · Head of Manufacturing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,174.855

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001859698-25-000006 · wk-form4_1743629513.xml · derivative · entry 11

Ali Kevin · CIK 0001859698 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 21,472 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each RSU converts into one share of Organon common stock.

F7 · derivative.exercise_date: On March 31, 2022, RSUs were awarded and on March 31, 2025, the final third of these RSUs vested.

F7 · derivative.expiration_date: On March 31, 2022, RSUs were awarded and on March 31, 2025, the final third of these RSUs vested.

SEC source: 0001859698-25-000006 · wk-form4_1743629513.xml · derivative · entry 10

Ali Kevin · CIK 0001859698 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,974

Underlying: Common Stock · 38,974 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each RSU converts into one share of Organon common stock.

F6 · derivative.exercise_date: On March 31, 2023, RSUs were awarded and on March 31, 2025, one-third of these RSUs vested with the remaining RSUs to vest on March 31, 2026.

F6 · derivative.expiration_date: On March 31, 2023, RSUs were awarded and on March 31, 2025, one-third of these RSUs vested with the remaining RSUs to vest on March 31, 2026.

SEC source: 0001859698-25-000006 · wk-form4_1743629513.xml · derivative · entry 9

Ali Kevin · CIK 0001859698 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 97,518

Underlying: Common Stock · 48,758 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each RSU converts into one share of Organon common stock.

F5 · derivative.exercise_date: On March 29, 2024, RSUs were granted and on March 29, 2025, one-third of these RSUs vested, with the remaining RSUs to vest on March 29, 2026, and March 29, 2027. Since the first anniversary of the date of grant was on Saturday, March 29, 2025, the vesting occurred on Monday, March 31, 2025, the next business day.

F5 · derivative.expiration_date: On March 29, 2024, RSUs were granted and on March 29, 2025, one-third of these RSUs vested, with the remaining RSUs to vest on March 29, 2026, and March 29, 2027. Since the first anniversary of the date of grant was on Saturday, March 29, 2025, the vesting occurred on Monday, March 31, 2025, the next business day.

SEC source: 0001859698-25-000006 · wk-form4_1743629513.xml · derivative · entry 8

Ali Kevin · CIK 0001859698 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 218,267

Underlying: Common Stock · 218,267 shares

Expires not disclosed

F3 · derivative.exercise_price: Each RSU converts into one share of Organon common stock.

F4 · derivative.exercise_date: The Reporting Person was granted RSUs, which represent a contingent right to receive one share of Organon common stock for each RSU. On March 31, 2025, RSUs were granted and will vest in three equal installments on each of March 31, 2026, March 31, 2027, and March 31, 2028.

F4 · derivative.expiration_date: The Reporting Person was granted RSUs, which represent a contingent right to receive one share of Organon common stock for each RSU. On March 31, 2025, RSUs were granted and will vest in three equal installments on each of March 31, 2026, March 31, 2027, and March 31, 2028.

SEC source: 0001859698-25-000006 · wk-form4_1743629513.xml · derivative · entry 7

Ali Kevin · CIK 0001859698 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,072,607

Underlying: Common Stock · 1,072,607 shares

Expires not disclosed

F2 · derivative.exercise_date: The Reporting Person was granted stock options, which vest and become exercisable in three equal installments on March 31, 2026, March 31, 2027, and March 31, 2028.

F2 · derivative.expiration_date: The Reporting Person was granted stock options, which vest and become exercisable in three equal installments on March 31, 2026, March 31, 2027, and March 31, 2028.

SEC source: 0001859698-25-000006 · wk-form4_1743629513.xml · nonDerivative · entry 6

Ali Kevin · CIK 0001859698 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 248,731.157

F1 · price: This price is the closing market price of Organon & Co. ("Organon") common stock on Friday, March 28, 2025, as required by the plan under which the Restricted Stock Units ("RSU") were awarded.

SEC source: 0001859698-25-000006 · wk-form4_1743629513.xml · nonDerivative · entry 5

Ali Kevin · CIK 0001859698 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 260,606.157

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001859698-25-000006 · wk-form4_1743629513.xml · nonDerivative · entry 4

Ali Kevin · CIK 0001859698 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 239,134.157

F1 · price: This price is the closing market price of Organon & Co. ("Organon") common stock on Friday, March 28, 2025, as required by the plan under which the Restricted Stock Units ("RSU") were awarded.

SEC source: 0001859698-25-000006 · wk-form4_1743629513.xml · nonDerivative · entry 3

Ali Kevin · CIK 0001859698 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 260,687.157

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001859698-25-000006 · wk-form4_1743629513.xml · nonDerivative · entry 2

Ali Kevin · CIK 0001859698 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 221,713.157

F1 · price: This price is the closing market price of Organon & Co. ("Organon") common stock on Friday, March 28, 2025, as required by the plan under which the Restricted Stock Units ("RSU") were awarded.

SEC source: 0001859698-25-000006 · wk-form4_1743629513.xml · nonDerivative · entry 1

Ali Kevin · CIK 0001859698 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 248,677.157

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001821825-25-000020 · wk-form4_1743630305.xml · nonDerivative · entry 2

Falcione Aaron · CIK 0001859803 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,516.661

F1 · price: This price is the closing market price of Organon & Co. ("Organon") common stock on Friday, March 28, 2025, as required by the plan under which the Restricted Stock Units ("RSU") were awarded.

SEC source: 0001821825-25-000004 · wk-form4_1740434946.xml · nonDerivative · entry 4

WALSH MATTHEW M · CIK 0001269428 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 115,388

SEC source: 0001821825-25-000004 · wk-form4_1740434946.xml · nonDerivative · entry 3

WALSH MATTHEW M · CIK 0001269428 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 117,296

F2 · shares: Represents the shares of Common Stock released to cover the dividend equivalents earned on the PSUs released above.

SEC source: 0001821825-25-000004 · wk-form4_1740434946.xml · nonDerivative · entry 2

WALSH MATTHEW M · CIK 0001269428 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 111,726

SEC source: 0001821825-25-000004 · wk-form4_1740434946.xml · nonDerivative · entry 1

WALSH MATTHEW M · CIK 0001269428 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 122,388

F1 · shares: Represents shares of Organon & Co. common stock ("Common Stock") for performance share units ("PSUs") granted to the reporting person on August 09, 2022 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.

SEC source: 0001679854-25-000002 · wk-form4_1740434806.xml · nonDerivative · entry 4

Stahler Rachel A · CIK 0001679854 · Chief Information Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,113.614

F3 · balance_after: Includes the addition of 5,342.614 shares of Common Stock acquired from dividend reinvestments not previously reported.

SEC source: 0001679854-25-000002 · wk-form4_1740434806.xml · nonDerivative · entry 3

Stahler Rachel A · CIK 0001679854 · Chief Information Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 61,652

F2 · shares: Represents the shares of Common Stock released to cover the dividend equivalents earned on the PSUs released above.

SEC source: 0001679854-25-000002 · wk-form4_1740434806.xml · nonDerivative · entry 2

Stahler Rachel A · CIK 0001679854 · Chief Information Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,081

SEC source: 0001679854-25-000002 · wk-form4_1740434806.xml · nonDerivative · entry 1

Stahler Rachel A · CIK 0001679854 · Chief Information Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,223

F1 · shares: Represents shares of Organon & Co. common stock ("Common Stock") for performance share units ("PSUs") granted to the reporting person on August 09, 2022 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.

SEC source: 0001859843-25-000002 · wk-form4_1740434732.xml · nonDerivative · entry 4

Nisita Vittorio · CIK 0001859843 · Head of Global Business Svcs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,123.539

F3 · balance_after: Includes the addition of 2,006.539 shares of Common Stock acquired from dividend reinvestments not previously reported.

SEC source: 0001859843-25-000002 · wk-form4_1740434732.xml · nonDerivative · entry 3

Nisita Vittorio · CIK 0001859843 · Head of Global Business Svcs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,822

F2 · shares: Represents the shares of Common Stock released to cover the dividend equivalents earned on the PSUs released above.

SEC source: 0001859843-25-000002 · wk-form4_1740434732.xml · nonDerivative · entry 2

Nisita Vittorio · CIK 0001859843 · Head of Global Business Svcs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,766

SEC source: 0001859843-25-000002 · wk-form4_1740434732.xml · nonDerivative · entry 1

Nisita Vittorio · CIK 0001859843 · Head of Global Business Svcs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,977

F1 · shares: Represents shares of Organon & Co. common stock ("Common Stock") for performance share units ("PSUs") granted to the reporting person on August 09, 2022 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.

SEC source: 0001859803-25-000002 · wk-form4_1740434620.xml · nonDerivative · entry 4

Falcione Aaron · CIK 0001859803 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,980.661

F3 · balance_after: Includes the addition of 2,748.661 shares of Common Stock acquired from dividend reinvestments not previously reported.

SEC source: 0001859803-25-000002 · wk-form4_1740434620.xml · nonDerivative · entry 3

Falcione Aaron · CIK 0001859803 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,113

F2 · shares: Represents the shares of Common Stock released to cover the dividend equivalents earned on the PSUs released above.

SEC source: 0001859803-25-000002 · wk-form4_1740434620.xml · nonDerivative · entry 2

Falcione Aaron · CIK 0001859803 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,542

SEC source: 0001859803-25-000002 · wk-form4_1740434620.xml · nonDerivative · entry 1

Falcione Aaron · CIK 0001859803 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 46,696

F1 · shares: Represents shares of Organon & Co. common stock ("Common Stock") for performance share units ("PSUs") granted to the reporting person on August 09, 2022 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.