List of insiders holdings for Organon & Co.:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | Merck & Co. Inc. 10% Owner | 2021-06-04 16:46:45 | 253,516,000 0 | 253,516,000 | Form 4 |
| 2 | WALSH MATTHEW M Chief Financial Officer | 2026-04-02 16:13:10 | 660,680 0 | 660,680 | Form 4 |
| 3 | Morrissey Joseph T. Jr. Interim CEO | 2026-04-02 16:02:42 | 490,592 0 | 490,592 | Form 4 |
| 4 | Stahler Rachel A Chief Information Officer | 2026-04-02 16:14:57 | 324,369 0 | 324,369 | Form 4 |
| 5 | Weaver Kirke Gen. Counsel & Corp. Secy. | 2026-04-02 16:09:44 | 300,903 0 | 300,903 | Form 4 |
| 6 | Falcione Aaron Chief Human Resources Officer | 2026-04-02 16:11:18 | 290,761 0 | 290,761 | Form 4 |
| 7 | Ali Kevin Chief Executive Officer | 2025-05-06 13:58:08 | 282,731 0 | 282,731 | Form 4 |
| 8 | Nisita Vittorio Head of Global Business Svcs | 2026-04-02 16:07:55 | 212,617 0 | 212,617 | Form 4 |
| 9 | Karp Daniel Executive VP, Corp. Dev. | 2026-04-02 16:17:14 | 183,146 0 | 183,146 | Form 4 |
| 10 | DiMarco Kathryn Corporate Controller | 2025-04-02 17:35:12 | 108,815 0 | 108,815 | Form 4 |
| 11 | Sharp Shalini Director | 2026-06-15 16:41:46 | 81,496 0 | 81,496 | Form 4 |
| 12 | LAZARUS ROCHELLE B Director | 2026-06-15 16:36:50 | 81,141 0 | 81,141 | Form 4 |
| 13 | Leone Deborah R Director | 2026-06-15 16:37:45 | 81,141 0 | 81,141 | Form 4 |
| 14 | Gayle Helene D Director | 2026-06-15 16:34:43 | 81,141 0 | 81,141 | Form 4 |
| 15 | Ozuah Philip Director | 2026-06-15 16:38:51 | 81,141 0 | 81,141 | Form 4 |
| 16 | Ezekowitz Alan Director | 2026-06-15 16:33:32 | 81,141 0 | 81,141 | Form 4 |
| 17 | Patton Cynthia M Director | 2026-06-15 16:39:46 | 81,141 0 | 81,141 | Form 4 |
| 18 | ESSNER ROBERT Director | 2026-06-15 16:32:22 | 81,141 0 | 81,141 | Form 4 |
| 19 | COX CARRIE SMITH Executive Chair | 2025-11-13 16:05:10 | 0 77,869 | 77,869 | Form 4 |
| 20 | Whiteford Grace Puma Director | 2025-06-16 17:30:53 | 62,703 0 | 62,703 | Form 4 |
| 21 | Fiedler Susanne Chief Commercial Officer | 2024-09-05 16:30:42 | 53,113 0 | 53,113 | Form 4 |
| 22 | Sequeira Ramona Director | 2026-06-15 16:40:45 | 39,951 0 | 39,951 | Form 4 |
| 23 | Arjona Ferreira Juan Camilo Head of R&D & CMO | 2026-08-12 13:01:36 | 37,432 0 | 37,432 | Form 4 |
| 24 | McGarry Martha E Director | 2024-06-11 15:16:43 | 36,455 0 | 36,455 | Form 4 |
| 25 | Milligan Sandra Head of Research & Development | 2023-05-08 18:43:51 | 33,583 0 | 33,583 | Form 4 |
| 26 | Francisco Ma. Fatima Director | 2023-06-13 16:52:22 | 28,285 0 | 28,285 | Form 4 |
| 27 | Drinane Juliana Papa Head of Mfg & Supply | 2026-08-05 16:04:36 | 18,475 0 | 18,475 | Form 4 |
| 28 | Ritter Geralyn S Head of Ext. Affairs and ESG | 2023-05-08 18:45:21 | 12,695 0 | 12,695 | Form 4 |
| 29 | Telman Deborah H EVP GC & Corporate Secretary | 2022-05-05 20:52:25 | 12,119 0 | 12,119 | Form 4 |
| 30 | Holzbaur Lynette SVP and Corporate Controller | 2026-05-07 16:00:40 | 45.94 0 | 45.94 | Form 4/A |
| 31 | Karachun Rita A Director | 2021-05-07 17:08:19 | 0 0 | 0 | Form 3 |
| 32 | Litchfield Caroline Director | 2021-05-07 17:07:15 | 0 0 | 0 | Form 3 |
| 33 | Filderman Jon Director | 2021-05-07 17:06:13 | 0 0 | 0 | Form 3 |