Margaret Dugan
CIK 1909734 · Chief Medical Officer · last filed 2026-06-15
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
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Disclosed Exposure
$25.94M
Companies
4
Total Filings
18
Lifetime Open-Market Net
-$122.2K
Holdings By Company
Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| ONC | Director | 73,164 | $347.36 | $25.41M | -$65.6K | 3 | 2026-06-15 |
| WHWK | Chief Medical Officer | 19,132 | $4.47 | $85.6K | $0 | 3 | 2026-05-18 |
| SDGR | Chief Medical Officer | 24,574 | $17.77 | $436.7K | -$56.6K | 5 | 2025-10-17 |
| BeOne Medicines Ltd. (BGNE) Delisted | Director | 45,955 | $184.71 | $8.49M | $0 | 4 | 2024-06-07 |
Recent Filings · Page 2 of 2
18 filingsInsider activity across all companies, newest first. Form 4 rows are post-trade confirmations (buys, sells, grants, exercises). Notice (144) rows are pre-trade notices of intent to sell restricted or control stock under Rule 144 — they may not all execute. Compare adjacent dates to see which notices became actual sales.
| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2024-10-16 | SDGR | Sell (S) | −1,531 | -$27.2K | EDGAR |
| 2024-10-15 | SDGR | Notice (144) | −1,531 | -$27.2K | EDGAR |
| 2024-06-07 | BeOne Medicines Ltd. (BGNE) Delisted | Grant (A) | +16,341 | $0 | EDGAR |
| 2024-03-05 | SDGR | Grant (A) | — | $0 | EDGAR |
| 2023-08-10 | SDGR | Grant (A) | +15,000 | $0 | EDGAR |
| 2023-06-20 | BeOne Medicines Ltd. (BGNE) Delisted | Grant (A) | +12,922 | $0 | EDGAR |
| 2022-06-24 | BeOne Medicines Ltd. (BGNE) Delisted | Grant (A) | +16,692 | $0 | EDGAR |
| 2022-03-02 | BeOne Medicines Ltd. (BGNE) Delisted | Grant (A) | — | $0 | EDGAR |
Showing 11–18 of 18
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Page 2 of 2
Form 4 codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.
Notice (144 / 144/A): Form 144 is a notice of intent to sell restricted/control stock under Rule 144, filed before the sale; 144/A is an amendment. Many notices are pre-scheduled under Rule 10b5-1 plans. A Form 4 with code S typically follows within a few days when the planned sale executes; missing follow-up Form 4s suggest the notice was cancelled or modified.
Notice (144 / 144/A): Form 144 is a notice of intent to sell restricted/control stock under Rule 144, filed before the sale; 144/A is an amendment. Many notices are pre-scheduled under Rule 10b5-1 plans. A Form 4 with code S typically follows within a few days when the planned sale executes; missing follow-up Form 4s suggest the notice was cancelled or modified.