OGN Insider Trading Activity

Transactions disclosed by company insiders to the SEC on Form 4, most recent first.

InsiderRoleDateSharesValue
Arjona Ferreira Juan Camilo Head of R&D & CMO 2026-08-11 11,519 $0
Arjona Ferreira Juan Camilo Head of R&D & CMO 2026-08-11 4,134 $56,305
Drinane Juliana Papa Head of Mfg & Supply 2026-08-05 14,761 $200,307

How Institutional Funds Moved on OGN

Position changes disclosed in SEC Form 13F filings. These report a quarterly snapshot, not exact trade dates.

FundChangeQuarter
AQR Arbitrage LLC AQR Arbitrage LLC opened a new position worth $52,384,779. 2026-06-30
Pentwater Capital Management LP Pentwater Capital Management LP opened a new position worth $245,074,000. 2026-06-30
Man Group plc Man Group plc opened a new position worth $37,147,762. 2026-06-30
Sixth Street Partners Management Company, L.P. Sixth Street Partners Management Company, L.P. opened a new position worth $46,811,327. 2026-06-30
GEODE CAPITAL MANAGEMENT, LLC GEODE CAPITAL MANAGEMENT, LLC increased this position by 129% ($24,285,283 -> $55,514,404). 2026-06-30
VANGUARD CAPITAL MANAGEMENT LLC VANGUARD CAPITAL MANAGEMENT LLC increased this position by 129% ($70,304,738 -> $161,259,572). 2026-06-30
VANGUARD PORTFOLIO MANAGEMENT LLC VANGUARD PORTFOLIO MANAGEMENT LLC increased this position by 57% ($130,857,756 -> $204,888,878). 2026-06-30
GOLDMAN SACHS GROUP INC GOLDMAN SACHS GROUP INC increased this position by 863% ($6,411,930 -> $61,746,029). 2026-06-30

Which Funds Hold OGN

Largest reported positions as of 2026-06-30.

FundValueShares
Pentwater Capital Management LP $245,074,000 18,100,000
VANGUARD PORTFOLIO MANAGEMENT LLC $204,888,878 15,132,118
VANGUARD CAPITAL MANAGEMENT LLC $161,259,572 11,909,865
GOLDMAN SACHS GROUP INC $61,746,029 4,560,268
GEODE CAPITAL MANAGEMENT, LLC $55,514,404 4,098,808
AQR Arbitrage LLC $52,384,779 3,880,354
PRIVATE MANAGEMENT GROUP INC $50,668,860 3,742,161
Sixth Street Partners Management Company, L.P. $46,811,327 3,457,262
CHARLES SCHWAB INVESTMENT MANAGEMENT INC $46,811,327 3,457,262
MILLENNIUM MANAGEMENT LLC $46,610,502 3,442,430

Data compiled from public SEC filings. This is informational reporting, not investment advice.

Kevin Hern Family Trust Sells OGN Shares in August

Capitol building exterior with a stock ticker graphic for Organon & Co. (OGN) overlaid

Rep. Kevin Hern (R-Okla.) has disclosed a sale of Organon & Co. (OGN) common stock, according to a Periodic Transaction Report filed under the STOCK Act. The transaction, valued between $1,001 and $15,000, was made through a jointly-held account tied to Hern and his spouse, and was executed via the Hern Family Revocable Trust. The … Read more

Kevin Hern Discloses Joint OGN Sale Amid Insider Selling

Capitol building exterior with a stock ticker graphic showing OGN symbol overlay

Rep. Kevin Hern (R-Okla.) has disclosed the sale of Organon & Co. (OGN) common stock in a Periodic Transaction Report filed under the STOCK Act. The transaction was made through a jointly-held account with his spouse, and the report lists the value of the sale as between $1,001 and $15,000. The transaction date is recorded … Read more