| 05/08/2026 7:31 PM | Holzbaur Lynette (2068746) Reporting Organon & Co. (1821825) Subject | Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
| 05/07/2026 9:02 AM | Holzbaur Lynette (2068746) Reporting Organon & Co. (1821825) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 05/04/2026 7:46 AM | Organon & Co. (1821825) Filer | Form 10-Q General form for quarterly reports under Section 13 or 15(d) | |
| 04/30/2026 10:59 AM | Organon & Co. (1821825) Subject VANGUARD CAPITAL MANAGEMENT LLC (2100119) Filed by | Form SCHEDULE 13G | |
| 04/30/2026 7:16 AM | Organon & Co. (1821825) Filer | Form DEFA14A | |
| 04/30/2026 6:48 AM | Organon & Co. (1821825) Filer | Form 8-K Current report pursuant to Section 13 or 15(d) | |
| 04/30/2026 6:50 AM | Organon & Co. (1821825) Filer | Form DEFA14A | |
| 04/29/2026 1:41 PM | Organon & Co. (1821825) Subject VANGUARD PORTFOLIO MANAGEMENT LLC (2100121) Filed by | Form SCHEDULE 13G | |
| 04/27/2026 4:17 PM | Organon & Co. (1821825) Filer | Form DEFA14A | |
| 04/27/2026 4:18 PM | Organon & Co. (1821825) Filer | Form DEFA14A | |
| 04/27/2026 2:58 PM | Organon & Co. (1821825) Filer | Form DEFA14A | |
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| 04/27/2026 5:09 AM | Organon & Co. (1821825) Filer | Form DEFA14A | |
| 04/27/2026 5:06 AM | Organon & Co. (1821825) Filer | Form 8-K Current report pursuant to Section 13 or 15(d) | |
| 04/24/2026 3:40 PM | Organon & Co. (1821825) Filer | Form ARS | |
| 04/24/2026 3:30 PM | Organon & Co. (1821825) Filer | Form DEF 14A | |
| 04/24/2026 3:35 PM | Organon & Co. (1821825) Filer | Form DEFA14A | |
| 04/02/2026 3:07 PM | Nisita Vittorio (1859843) Reporting Organon & Co. (1821825) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 04/02/2026 3:09 PM | Organon & Co. (1821825) Issuer Weaver Kirke (1959622) Reporting | Form 4 Statement of changes in beneficial ownership of securities | |
| 04/02/2026 3:11 PM | Falcione Aaron (1859803) Reporting Organon & Co. (1821825) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 03/31/2026 3:16 PM | Organon & Co. (1821825) Issuer Stahler Rachel A (1679854) Reporting | Form 4 Statement of changes in beneficial ownership of securities | |
| 03/31/2026 3:09 PM | Arjona Ferreira Juan Camilo (1714080) Reporting Organon & Co. (1821825) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 03/31/2026 3:10 PM | Drinane Juliana Papa (2096406) Reporting Organon & Co. (1821825) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 03/31/2026 3:11 PM | Nisita Vittorio (1859843) Reporting Organon & Co. (1821825) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 03/31/2026 3:12 PM | Organon & Co. (1821825) Issuer Weaver Kirke (1959622) Reporting | Form 4 Statement of changes in beneficial ownership of securities | |
| 03/03/2026 6:02 PM | Falcione Aaron (1859803) Reporting Organon & Co. (1821825) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 03/03/2026 5:56 PM | Morrissey Joseph T. Jr. (1859805) Reporting Organon & Co. (1821825) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 03/03/2026 5:58 PM | Organon & Co. (1821825) Issuer Weaver Kirke (1959622) Reporting | Form 4 Statement of changes in beneficial ownership of securities | |
| 03/03/2026 5:59 PM | Organon & Co. (1821825) Issuer Stahler Rachel A (1679854) Reporting | Form 4 Statement of changes in beneficial ownership of securities | |
| 03/03/2026 6:00 PM | Nisita Vittorio (1859843) Reporting Organon & Co. (1821825) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 03/03/2026 6:01 PM | Organon & Co. (1821825) Issuer WALSH MATTHEW M (1269428) Reporting | Form 4 Statement of changes in beneficial ownership of securities | |
| 02/20/2026 6:30 AM | Organon & Co. (1821825) Filer | Form 8-K Current report pursuant to Section 13 or 15(d) | |
| 02/12/2026 6:45 AM | Organon & Co. (1821825) Filer | Form 8-K Current report pursuant to Section 13 or 15(d) | |
| 01/16/2026 3:37 PM | Drinane Juliana Papa (2096406) Reporting Organon & Co. (1821825) Issuer | Form 4/A | |
| 11/17/2025 3:04 PM | Morrissey Joseph T. Jr. (1859805) Reporting Organon & Co. (1821825) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 11/17/2025 3:05 PM | Drinane Juliana Papa (2096406) Reporting Organon & Co. (1821825) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 11/12/2025 4:47 PM | Drinane Juliana Papa (2096406) Reporting Organon & Co. (1821825) Issuer | Form 3 Initial statement of beneficial ownership of securities | |
| 11/12/2025 4:48 PM | Drinane Juliana Papa (2096406) Reporting Organon & Co. (1821825) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 11/10/2025 3:14 PM | Arjona Ferreira Juan Camilo (1714080) Reporting Organon & Co. (1821825) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 11/10/2025 7:08 AM | Organon & Co. (1821825) Filer | Form 10-Q General form for quarterly reports under Section 13 or 15(d) | |
| 11/10/2025 6:34 AM | Organon & Co. (1821825) Filer | Form 8-K Current report pursuant to Section 13 or 15(d) | |
| 11/10/2025 5:12 AM | Organon & Co. (1821825) Filer | Form 10-Q/A | |
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| 11/10/2025 5:17 AM | Organon & Co. (1821825) Filer | Form 10-Q/A | |
| 11/10/2025 5:03 AM | Organon & Co. (1821825) Filer | Form 10-K/A | |
| 11/07/2025 6:30 AM | Organon & Co. (1821825) Filer | Form 8-K Current report pursuant to Section 13 or 15(d) | |
| 11/06/2025 3:11 PM | Holzbaur Lynette (2068746) Reporting Organon & Co. (1821825) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 10/30/2025 3:47 PM | Organon & Co. (1821825) Filer | Form 8-K/A | |
| 10/30/2025 2:48 PM | Organon & Co. (1821825) Subject VANGUARD GROUP INC (102909) Filed by | Form SCHEDULE 13G/A | |
| 10/27/2025 6:37 AM | Organon & Co. (1821825) Filer | Form 8-K Current report pursuant to Section 13 or 15(d) | |
| 08/06/2025 7:43 AM | Organon & Co. (1821825) Filer | Form 10-Q General form for quarterly reports under Section 13 or 15(d) | |
| 08/05/2025 6:44 AM | Organon & Co. (1821825) Filer | Form 8-K Current report pursuant to Section 13 or 15(d) | |
| 07/02/2025 3:43 PM | Organon & Co. (1821825) Issuer Sequeira Ramona (1811081) Reporting | Form 3 Initial statement of beneficial ownership of securities | |
| 07/02/2025 3:46 PM | Organon & Co. (1821825) Issuer Sequeira Ramona (1811081) Reporting | Form 4 Statement of changes in beneficial ownership of securities | |
| 06/16/2025 4:30 PM | Organon & Co. (1821825) Issuer Whiteford Grace Puma (1706213) Reporting | Form 4 Statement of changes in beneficial ownership of securities | |
| 06/16/2025 4:32 PM | Organon & Co. (1821825) Issuer Patton Cynthia M (1560565) Reporting | Form 4 Statement of changes in beneficial ownership of securities | |
| 06/16/2025 4:34 PM | Organon & Co. (1821825) Issuer Sharp Shalini (1377202) Reporting | Form 4 Statement of changes in beneficial ownership of securities | |
| 06/16/2025 5:01 PM | Leone Deborah R (1859703) Reporting Organon & Co. (1821825) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 06/16/2025 5:04 PM | Organon & Co. (1821825) Issuer Ozuah Philip (1859685) Reporting | Form 4 Statement of changes in beneficial ownership of securities | |
| 06/16/2025 4:17 PM | COX CARRIE SMITH (1110753) Reporting Organon & Co. (1821825) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 06/16/2025 4:19 PM | ESSNER ROBERT (1187297) Reporting Organon & Co. (1821825) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 06/16/2025 4:21 PM | Ezekowitz Alan (1780209) Reporting Organon & Co. (1821825) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 06/16/2025 4:22 PM | Gayle Helene D (1487047) Reporting Organon & Co. (1821825) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 06/16/2025 4:25 PM | LAZARUS ROCHELLE B (1082206) Reporting Organon & Co. (1821825) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 05/27/2025 3:18 PM | Organon & Co. (1821825) Filer | Form 8-K Current report pursuant to Section 13 or 15(d) | |