Margaret Dugan - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Margaret Dugan has filed 3 SEC Form 4 filings across 2 companies in the last 90 days - selling. Lifetime open-market sales: $122K.
Profile
Margaret Dugan is Director at BeOne Medicines Ltd. (ONC). SEC records also connect Dugan to Whitehawk Therapeutics, Inc. (WHWK) and Schrodinger, Inc. (SDGR). Dugan has reported 7 insider filings with the SEC since 2024. The most recent filing was in June 2026.
| Role | Director |
|---|---|
| Notability | 34/100 |
Board memberships
- BeOne Medicines Ltd.
- Whitehawk Therapeutics, Inc.
- Schrodinger, Inc.
Reported roles
- Director
- Chief Medical Officer
Trading Pattern
InsiderAlpha's records for Margaret Dugan go back to 2024: 7 primary Form 4 filings, an average of 2.3 per year. 2 recorded transactions carry a Rule 10b5-1 flag, meaning they were pre-scheduled under a written trading plan rather than discretionary.
Career & Filing History
Every role Margaret Dugan has reported on a Form 4, reconstructed from the filings themselves - reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
- Director at BeOne Medicines Ltd. (ONC) - 2 filings, 2026
- Chief Medical Officer at Whitehawk Therapeutics, Inc. (WHWK) - 3 filings, 2025 to 2026
- Chief Medical Officer at Schrodinger, Inc. (SDGR) - 2 filings, 2024 to 2025
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-15 | ONC | BeOne Medicines Ltd. | A - Grant or award | 19.0K | $0.00 | |
| 2026-05-27 | ONC | BeOne Medicines Ltd. | S - Open-market sale | 212 | $309.60 | $66K |
| 2026-05-18 | WHWK | Whitehawk Therapeutics, Inc. | A - Grant or award | 19.1K | $3.92 | $75K |
| 2025-10-16 | SDGR | Schrodinger, Inc. | S - Open-market sale [10b5-1] | 1.4K | $21.07 | $29K |
| 2024-10-16 | SDGR | Schrodinger, Inc. | S - Open-market sale [10b5-1] | 1.5K | $17.78 | $27K |
Companies - Last 90 Days
- BeOne Medicines Ltd. (ONC) - 2 filings, last 2026-06-15
- Whitehawk Therapeutics, Inc. (WHWK) - 1 filing, last 2026-05-18
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Margaret Dugan has recently filed at. Multiple unrelated insiders buying the same stock within a short window - cluster buying - has historically been one of the strongest Form 4 signals.
- John Oyler - $112.19M of ONC open-market activity in the last 12 months
- Xiaobin Wu - $35.99M of ONC open-market activity in the last 12 months
- Chan Henry Lee - $12.79M of ONC open-market activity in the last 12 months
- Lai Wang - $2.92M of ONC open-market activity in the last 12 months
- Corazon (Corsee) D. Sanders - $1.86M of ONC open-market activity in the last 12 months
- David James Lennon - $1.06M of WHWK open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- Frank Martell
- Martin Product Sales LLC
- Marcelo Eduardo Martins
- Neil Mehta
- Keith A. Meister
- MetLife Investment Management, LLC
- John Micek
- Andrew J. Mills
Frequently Asked Questions
Who is Margaret Dugan?
Margaret Dugan is Director at BeOne Medicines Ltd. (ONC). SEC records also connect Dugan to Whitehawk Therapeutics, Inc. (WHWK) and Schrodinger, Inc. (SDGR). Dugan has reported 7 insider filings with the SEC since 2024. The most recent filing was in June 2026.…
How many SEC Form 4 filings has Margaret Dugan submitted recently?
3 primary Form 4 filings in the last 90 days, covering 2 companies.
Has Margaret Dugan been buying or selling stock?
Recorded transactions: 0 open-market purchases and 3 open-market sales ($122K) across all tracked filings.
Where can I see all of Margaret Dugan's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Learn More
Open the live Margaret Dugan profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.