ONC - Beone Medicines AG

Across the last three months, Beone Medicines AG's insiders have reduced their positions by a net 31,028 shares worth roughly $11.3M. In the past 30 days, 0 insiders bought and 1 sold.

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Insider Ownership

Role	Insider	Shares	Value	30d
CFO	Aaron Rosenberg	397.9K	$141.25M	-
Dir	Baker Bros. Advisors LP	161.6K	$57.35M	-
Other	Titus B. Ball	99.6K	$35.37M	-
Dir	Anthony C Hooper	83.7K	$29.72M	-
Dir	Alessandro Riva	73.2K	$25.97M	-

Activity

Buys and sells only

Transactions

10 filings · page 3

Date	Insider	Role	Type	Shares	Price	Value	Chg%	3M	12M
May 22, 2026	Baker Bros. Advisors LP61	Director	Sell	10,998	$23.82	$261,980.92	-7.2%	+19.0%	-
May 22, 2026	Margaret Dugan	Director	Sell	212	$309.60	$65,635.56	-100%	+19.0%	-
May 22, 2026	Corazon (Corsee) D. Sanders69	Director	Sell	212	$309.59	$65,633.00	-100%	+19.0%	-
May 22, 2026	Alessandro Riva	Director	Sell	212	$309.51	$65,617.01	-100%	+19.0%	-
May 13, 2026	Chan Henry Lee49	SVP, General Counsel	Sale+OE10b5-1	332	$310.72	$103,159.04	-	+13.5%	-
Feb 4, 2026	Chan Henry Lee49	SVP, General Counsel	Sale+OE10b5-1	1,660	$349.52	$580,196.56	-	-15.5%	-
Jan 7, 2026	Chan Henry Lee49	SVP, General Counsel	Sale+OE10b5-1	664	$331.76	$220,288.64	-	-9.0%	-
Dec 16, 2025	John Oyler58	Chief Executive Officer	Sell10b5-1	100,000	$306.59	$30,659,418.82	-100%	-4.8%	-
Dec 11, 2025	Chan Henry Lee49	SVP, General Counsel	Sale+OE10b5-1	664	$321.64	$213,568.96	-	-6.8%	-
Nov 26, 2025	Corazon (Corsee) D. Sanders69	Director	Sale+OE	2,627	$340.90	$895,534.43	-	+8.3%	-

Understand these filings

How to Read SEC Form 4 Filings →Understanding Insider Buying Signals →What is Insider Trading? A Complete Guide →Cluster Buying: When Multiple Insiders Buy Together →

Insider	Role	Shares	Value	Buys	Sells

Date	Ticker	Insider	Role	Type	Shares	Price	Value	Chg%	SEC