Organon & Co. (OGN) Insider Trading
Over the last 3 months, OGN insiders made 1 open-market buy and 1 sale, a net purchase of $0 (SEC Form 4). Over the last 6 months, 283 institutions increased and 451 reduced their position (13F).
Insider Activity
Sentiment
50/100
Buys (3m)
1
Sells (3m)
1
Net (3m)
$0
Insiders buyingFirst buy in 2 quarters
Insider trades by month Buys Sells
May
Nov
May
Context3-month price +126%Institutions reducing (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 15, 2026 | Ozuah Philipdirector | Grant | 17,857 | — |
| Jun 15, 2026 | Sequeira Ramonadirector | Grant | 17,857 | — |
| Jun 15, 2026 | Leone Deborah Rdirector | Grant | 17,857 | — |
| Jun 15, 2026 | ESSNER ROBERTdirector | Grant | 17,857 | — |
| Jun 15, 2026 | Ezekowitz Alandirector | Grant | 17,857 | — |
| Jun 15, 2026 | Gayle Helene Ddirector | Grant | 17,857 | — |
| Jun 15, 2026 | Sharp Shalinidirector | Grant | 17,857 | — |
| Jun 15, 2026 | Patton Cynthia Mdirector | Grant | 17,857 | — |
| Jun 15, 2026 | LAZARUS ROCHELLE Bdirector | Grant | 17,857 | — |
| May 7, 2026 | Holzbaur Lynetteofficer: SVP and Corporate Controller | Sell | 26,448 | $13.35 |
| May 7, 2026 | Holzbaur Lynetteofficer: SVP and Corporate Controller | Buy | 26,448 | $13.35 |
| Apr 2, 2026 | Stahler Rachel Aofficer: Chief Information Officer | Grant | 183,639 | — |
| Apr 2, 2026 | WALSH MATTHEW Mofficer: Chief Financial Officer | Option | 12,047 | — |
| Apr 2, 2026 | Weaver Kirkeofficer: Gen. Counsel & Corp. Secy. | Option | 12,312 | — |
| Apr 2, 2026 | Morrissey Joseph T. Jr.officer: Interim CEO | Option | 16,789 | — |
| Apr 2, 2026 | Stahler Rachel Aofficer: Chief Information Officer | Option | 6,555 | — |
| Apr 2, 2026 | Weaver Kirkeofficer: Gen. Counsel & Corp. Secy. | Option | 6,201 | — |
| Apr 2, 2026 | Holzbaur Lynetteofficer: SVP and Corporate Controller | Tax | 1,212 | $5.70 |
| Apr 2, 2026 | WALSH MATTHEW Mofficer: Chief Financial Officer | Grant | 83,472 | — |
| Apr 2, 2026 | Arjona Ferreira Juan Camiloofficer: Head of R&D & CMO | Tax | 4,820 | $5.70 |
| Apr 2, 2026 | Nisita Vittorioofficer: Head of Global Business Svcs | Option | 8,394 | — |
| Apr 2, 2026 | Karp Danielofficer: Executive VP, Corp. Dev. | Option | 11,338 | — |
| Apr 2, 2026 | Nisita Vittorioofficer: Head of Global Business Svcs | Option | 4,606 | — |
| Apr 2, 2026 | Drinane Juliana Papaofficer: Interim Head of Mfg & Supply | Tax | 3,451 | $5.70 |
| Apr 2, 2026 | Weaver Kirkeofficer: Gen. Counsel & Corp. Secy. | Tax | 1,767 | $5.70 |
| Apr 2, 2026 | WALSH MATTHEW Mofficer: Chief Financial Officer | Tax | 7,380 | $5.70 |
| Apr 2, 2026 | Stahler Rachel Aofficer: Chief Information Officer | Tax | 4,217 | $5.70 |
| Apr 2, 2026 | WALSH MATTHEW Mofficer: Chief Financial Officer | Option | 21,546 | — |
| Apr 2, 2026 | WALSH MATTHEW Mofficer: Chief Financial Officer | Tax | 4,127 | $5.70 |
| Apr 2, 2026 | Holzbaur Lynetteofficer: SVP and Corporate Controller | Option | 6,715 | — |
Source: OGN SEC Form 4 filings, latest Jun 15, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their OGN positions over the last 6 months (SEC Form 13F).
Increased
283
New positions
175
Reduced
451
Sold out
218
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| VANGUARD GROUP INC | Increased | 36.9M | Jan 29, 2026 |
| BLACKROCK, INC. | Increased | 31.7M | May 13, 2026 |
| BLACKROCK, INC. | Increased | 31.0M | Feb 12, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 23.5M | May 15, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 21.8M | May 8, 2026 |
| STATE STREET CORP | Increased | 10.0M | May 15, 2026 |
| STATE STREET CORP | Increased | 9.6M | Feb 13, 2026 |
| AQR CAPITAL MANAGEMENT LLC | Increased | 8.6M | Feb 17, 2026 |
| LSV ASSET MANAGEMENT | Reduced | 7.5M | Feb 6, 2026 |
| LSV ASSET MANAGEMENT | Reduced | 7.3M | May 11, 2026 |
| MILLENNIUM MANAGEMENT LLC | Increased | 7.1M | May 15, 2026 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | Reduced | 6.9M | Jan 22, 2026 |
| KAHN BROTHERS GROUP INC | Increased | 5.5M | May 8, 2026 |
| CANADA PENSION PLAN INVESTMENT BOARD | Increased | 5.0M | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 4.8M | May 15, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.