OGN

NYSE

Organon & Co

$8.83

+1.92 (+27.79%)

Institutional

77.5%

Insider

0.29%

Retail/Other

22.2%

Shares Outstanding

260.3M

As of Apr 2026

Holder	Shares	%	Change
Vanguard Group Inc	36.9M	14.2%	+1.0M
Vanguard Group Inc	32.3M	12.4%	+2.6M
BlackRock Inc	31.1M	12.0%	-0.7M
BlackRock Inc	30.9M	11.9%	-0.3M
Massachusetts Financial Services Company	10.2M	3.9%	-0.5M
State Street Corp	9.5M	3.7%	+0.5M
State Street Corp	9.3M	3.6%	-0.2M
Millennium Management LLC	9.1M	3.5%	+8.1M
AQR Capital Management LLC	8.6M	3.3%	+4.4M
LSV Asset Management	8.0M	3.1%	+0.0M

Last 24 months (6 insiders)

Matthew M Walsh Chief Financial Officer

212,746 shares

Awards (2)

Shares	Price	Value	Date	Remaining
12,020	-	$87,626*	2026-02-27	184,216
42,599	-	$310,547*	2026-02-27	187,083

Rachel A Stahler Chief Information Officer

116,105 shares

Awards (2)

Shares	Price	Value	Date	Remaining
6,540	-	$47,677*	2026-02-27	98,473
23,178	-	$168,968*	2026-02-27	100,408

Joseph T. Morrissey Jr. Interim CEO

111,117 shares

Awards (2)

Shares	Price	Value	Date	Remaining
27,564	-	$200,942*	2026-02-27	99,125
7,777	-	$56,694*	2026-02-27	98,848

Aaron Falcione Chief Human Resources Officer

101,431 shares

Awards (2)

Shares	Price	Value	Date	Remaining
23,805	-	$173,538*	2026-02-27	86,778
6,717	-	$48,967*	2026-02-27	84,790

Kirke Weaver Gen. Counsel & Corp. Secy.

92,639 shares

Awards (2)

Shares	Price	Value	Date	Remaining
6,186	-	$45,096*	2026-02-27	73,785
21,925	-	$159,833*	2026-02-27	74,414

Vittorio Nisita Head of Global Business Svcs

70,619 shares

Awards (2)

Shares	Price	Value	Date	Remaining
16,287	-	$118,732*	2026-02-27	60,108
4,596	-	$33,505*	2026-02-27	58,494

STOCK Act Disclosures

No congressional trading data available for this ticker.

Congressional trading data is sourced from STOCK Act disclosures and may not be available for all tickers.

Based on public disclosures. Reporting errors by representatives are common. Disclosure deadlines are 45 days after transaction.