ONC · Insider Trading

BeOne Medicines Ltd. American Depositary Shares

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Every open-market purchase and sale reported by ONC officers, directors and 10%+ beneficial owners on SEC Form 4, which must be filed within two business days of the transaction. Sales often reflect scheduled 10b5-1 plans or tax withholding rather than a directional view, so read counts alongside the size and the filer.

Form 4 Filings

most recent

Open-Market Buys

code P

Sales

code S

Reporting Insiders

current holders

ONC — Recent Form 4 Transactions (latest 2026-10-15)

Filed	Insider	Role	Type	Shares	Value
2026-10-15	Xiaodong Wang	Director	MIXED	—	−$9.75M
2026-10-02	Chan Henry Lee	SVP, General Counsel	Sell	−1,115	−$418.12K
2026-09-30	Xiaodong Wang	Director	MIXED	—	−$10.17M
2026-09-10	Xiaodong Wang	Director	MIXED	−7,260	−$12.22M
2026-09-03	Titus B. Ball	Principal Accounting Officer	Sell	−132	−$46.97K
2026-08-27	Xiaobin Wu	President and COO	Sell	−280	−$106.40K
2026-08-13	Chan Henry Lee	SVP, General Counsel	MIXED	—	−$449.57K
2026-08-12	John Oyler	Chief Executive Officer	Sell	−240,810	−$86.48M
2026-08-05	Aaron Rosenberg	Chief Financial Officer	Sell	−1,157	−$361.81K
2026-08-03	Chan Henry Lee	SVP, General Counsel	Sell	−1,044	−$337.93K
2026-07-24	Chan Henry Lee	SVP, General Counsel	MIXED	—	−$222.68K
2026-07-22	John Oyler	Chief Executive Officer	MIXED	−75,723	−$30.51M
2026-07-17	John Oyler	Chief Executive Officer	MIXED	—	−$12.41M
2026-07-17	John Oyler	Chief Executive Officer	MIXED	—	−$48.21M
2026-07-14	John Oyler	Chief Executive Officer	MIXED	−12,261	−$37.40M
2026-07-14	John Oyler	Chief Executive Officer	MIXED	—	−$16.03M
2026-07-10	Chan Henry Lee	SVP, General Counsel	MIXED	—	−$73.64K
2026-06-25	Xiaobin Wu	President and COO	Sell	−1,292	−$356.93K
2026-06-25	Lai Wang	President, Global Head of R&D	Sell	−1,068	−$295.55K
2026-06-25	John Oyler	Chief Executive Officer	Sell	−3,410	−$933.59K
2026-06-18	Xiaobin Wu	President and COO	Sell	−1,357	−$362.00K
2026-06-18	Chan Henry Lee	SVP, General Counsel	Sell	−590	−$156.93K
2026-06-18	John Oyler	Chief Executive Officer	Sell	−3,693	−$980.69K
2026-06-18	Lai Wang	President, Global Head of R&D	Sell	−1,169	−$310.24K
2026-06-15	Olivier Brandicourt	Director	A	+18,980	—
2026-06-15	Alessandro Riva	Director	A	+18,980	—
2026-06-15	Margaret Dugan	Director	A	+18,980	—
2026-06-15	Elizabeth Fisher Mooney	Director	A	+18,980	—
2026-06-15	Lai Wang	President, Global Head of R&D	MIXED	+117,869	−$197.32K
2026-06-15	Charles Lazelle Sawyers	Director	A	+18,980	—
2026-06-15	Shalini Sharp	Director	A	+18,980	—
2026-06-15	Xiaobin Wu	President and COO	MIXED	+117,999	−$163.51K
2026-06-15	Xiaodong Wang	Director	A	+99,892	—
2026-06-15	Titus B. Ball	Principal Accounting Officer	MIXED	+31,044	−$43.47K
2026-06-15	Aaron Rosenberg	Chief Financial Officer	MIXED	+70,544	−$162.64K
2026-06-15	Chan Henry Lee	SVP, General Counsel	MIXED	+44,643	−$110.27K
2026-06-15	Julian Baker	Director	A	+227,760	—
2026-06-15	John Oyler	Chief Executive Officer	MIXED	+175,982	−$501.35K
2026-06-15	Anthony C Hooper	Director	A	+18,980	—
2026-06-10	Chan Henry Lee	SVP, General Counsel	Sell	−871	−$235.54K
2026-06-10	Titus B. Ball	Principal Accounting Officer	Sell	−136	−$36.90K
2026-06-10	Xiaobin Wu	President and COO	Sell	−1,484	−$399.74K
2026-06-10	John Oyler	Chief Executive Officer	Sell	−4,940	−$1.34M
2026-06-10	Lai Wang	President, Global Head of R&D	Sell	−1,367	−$368.25K
2026-06-03	Qingqing Yi	Director	Sell	−235	−$65.60K
2026-05-27	Margaret Dugan	Director	Sell	−212	−$65.64K
2026-05-27	Corazon (Corsee) D. Sanders	Director	Sell	−212	−$65.63K
2026-05-27	Alessandro Riva	Director	Sell	−212	−$65.62K
2026-05-27	667, L.P.	Director	Sell	−65,988	−$1.57M
2026-05-15	Chan Henry Lee	SVP, General Counsel	MIXED	—	−$39.56K

ONC — Current Insider Holders

Insider	Role	Shares Held	Value
John Oyler	Chief Executive Officer	28,239,116	$10.79B
Felix Baker	Director	730,643	$279.30M
667, L.P.	Director	730,643	$279.30M
Lai Wang	President, Global Head of R&D	601,965	$230.11M
Julian Baker	Director	161,551	$61.76M
Titus B. Ball	Principal Accounting Officer	97,929	$37.44M
Anthony C Hooper	Director	83,720	$32.00M
Margaret Dugan	Director	73,164	$27.97M
Alessandro Riva	Director	73,164	$27.97M
Corazon (Corsee) D. Sanders	Director	54,470	$20.82M
Olivier Brandicourt	Director	46,306	$17.70M
Qingqing Yi	Director	24,271	$9.28M
Elizabeth Fisher Mooney	Director	18,980	$7.26M
Xiaobin Wu	President and COO	16,365	$6.26M
Xiaodong Wang	Director	13,549	$5.18M
Charles Lazelle Sawyers	Director	1,946	$743.90K
Shalini Sharp	Director	9	$3.44K

ONC Insider Trading FAQ

Who are the insiders at ONC?

17 officers, directors and 10%+ beneficial owners currently report holdings in ONC via SEC Form 4.

Are ONC insiders buying or selling?

Across the 50 most recent Form 4 filings for ONC, 0 were open-market purchases (code P) and 23 were sales (code S). Sales frequently reflect scheduled 10b5-1 plans or tax withholding rather than a view on the stock.

How current is ONC insider data?

Form 4 must be filed within two business days of the transaction, so this is close to real time. The most recent ONC filing is dated 2026-10-15.

How to read Form 4 activity

Form 4 reports a change in beneficial ownership by an officer, director or 10%+ holder, and must be filed within two business days of the transaction — so this is close to real time, unlike the 45-day-lagged 13F institutional data.

Transaction codes matter more than the raw buy/sell count. Code P is an open-market purchase — an insider choosing to buy with their own money, which is the signal most research treats as informative. Code S is a sale, but sales are frequently pre-scheduled under a 10b5-1 plan or cover tax withholding on vesting equity, so a run of sales often says nothing directional. Codes A and M are grants and option exercises rather than open-market decisions.

Full filing history and per-insider positions are on the ONC quote page; the site-wide leaderboard is on the insider transactions hub.