13 insiders reported 166 Form 4 transactions for Organon & Co. (OGN) over the past 18 months (most recent 2026-08-12). Recent activity: Arjona Ferreira Juan Camilo (Head of R&D & CMO) Sell 4,134 shares, Arjona Ferreira Juan Camilo (Head of R&D & CMO) Buy 11,519 shares, Drinane Juliana Papa (Head of Mfg & Supply) Sell 14,761 shares, Holzbaur Lynette (SVP and Corporate Controller) Buy 46 shares, Holzbaur Lynette (SVP and Corporate Controller) Buy 26,448 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-12 | Arjona Ferreira Juan Camilo | Head of R&D & CMO | Sell | 4,134 | $56,305 |
| 2026-08-12 | Arjona Ferreira Juan Camilo | Head of R&D & CMO | Buy | 11,519 | $0 |
| 2026-08-05 | Drinane Juliana Papa | Head of Mfg & Supply | Sell | 14,761 | $200,307 |
| 2026-05-07 | Holzbaur Lynette | SVP and Corporate Controller | Buy | 46 | $0 |
| 2026-05-07 | Holzbaur Lynette | SVP and Corporate Controller | Buy | 26,448 | $353,080 |
| 2026-05-07 | Holzbaur Lynette | SVP and Corporate Controller | Sell | 26,448 | $353,080 |
| 2026-04-02 | Nisita Vittorio | Head of Global Business Svcs | Buy | 4,606 | $0 |
| 2026-04-02 | Drinane Juliana Papa | Interim Head of Mfg & Supply | Buy | 6,378 | $0 |
| 2026-04-02 | Holzbaur Lynette | SVP and Corporate Controller | Buy | 4,252 | $0 |
| 2026-04-02 | WALSH MATTHEW M | Chief Financial Officer | Buy | 12,047 | $0 |
| 2026-04-02 | Stahler Rachel A | Chief Information Officer | Buy | 6,555 | $0 |
| 2026-04-02 | Weaver Kirke | Gen. Counsel & Corp. Secy. | Buy | 6,201 | $0 |
| 2026-04-02 | Falcione Aaron | Chief Human Resources Officer | Buy | 6,732 | $0 |
| 2026-04-02 | Arjona Ferreira Juan Camilo | Head of R&D & CMO | Sell | 4,820 | $27,474 |
| 2026-04-02 | Arjona Ferreira Juan Camilo | Head of R&D & CMO | Buy | 13,431 | $0 |
| 2026-04-02 | Morrissey Joseph T. Jr. | Interim CEO | Buy | 7,795 | $0 |
| 2026-04-02 | Morrissey Joseph T. Jr. | Interim CEO | Sell | 2,221 | $12,660 |
| 2026-04-02 | Nisita Vittorio | Head of Global Business Svcs | Sell | 1,578 | $8,995 |
| 2026-04-02 | Drinane Juliana Papa | Interim Head of Mfg & Supply | Sell | 2,185 | $12,454 |
| 2026-04-02 | Holzbaur Lynette | SVP and Corporate Controller | Sell | 1,212 | $6,908 |
| 2026-04-02 | WALSH MATTHEW M | Chief Financial Officer | Sell | 4,127 | $23,524 |
| 2026-04-02 | Falcione Aaron | Chief Human Resources Officer | Sell | 2,306 | $13,144 |
| 2026-04-02 | Weaver Kirke | Gen. Counsel & Corp. Secy. | Sell | 1,767 | $10,072 |
| 2026-04-02 | Stahler Rachel A | Chief Information Officer | Sell | 2,246 | $12,802 |
| 2026-04-02 | Karp Daniel | Executive VP, Corp. Dev. | Buy | 11,338 | $0 |
Source: SEC Form 4 filings · as of 2026-08-12