Yu Jonathan Yen-Wen — SEC Form 4 filings
SEC reporting owner CIK 1951849. 12 Form 4 filings on record with FilingPulse; latest filed 2026-08-26.
Transaction summary — filings shown
Covers all 12 filings on record, filed 2024-03-01 to 2026-08-26. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 14 legs across 9 filings — 73,453 shares, $5,676,790 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 24.
- Largest priced transaction: sale of 11,651 shares @ $68.76 ($801,102) in Disc Medicine, Inc., filed 2026-06-18.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Disc Medicine, Inc. (IRON) | Chief Operating Officer | 12 | — | 14 legs · 73,453 sh · $5,676,790 | 24 |
Form 4 filings — Yu Jonathan Yen-Wen
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-26 | 4 | Disc Medicine, Inc. (IRON) | Option exercise (M): 300 @ $13.50 · Sale (S): 300 @ $82.53 · Option exercise (M): 8,796 @ $13.50 · Sale (S): 8,796 @ $83.12 · Option exercise (M): 300 (derivative) @ $0 · Option exercise (M): 8,796 (derivative) @ $0 | EDGAR |
| 2026-08-14 | 4 | Disc Medicine, Inc. (IRON) | Option exercise (M): 804 @ $13.50 · Sale (S): 804 @ $82.64 · Option exercise (M): 804 (derivative) @ $0 | EDGAR |
| 2026-07-09 | 4 | Disc Medicine, Inc. (IRON) | Option exercise (M): 100 @ $13.50 · Sale (S): 100 @ $82.50 · Option exercise (M): 100 (derivative) @ $0 | EDGAR |
| 2026-06-30 | 4 | Disc Medicine, Inc. (IRON) | Option exercise (M): 300 @ $13.50 · Sale (S): 300 @ $72.50 · Option exercise (M): 300 (derivative) @ $0 | EDGAR |
| 2026-06-24 | 4 | Disc Medicine, Inc. (IRON) | Option exercise (M): 9,700 @ $13.50 · Sale (S): 9,700 @ $72.66 · Option exercise (M): 9,700 (derivative) @ $0 | EDGAR |
| 2026-06-18 | 4 | Disc Medicine, Inc. (IRON) | Option exercise (M): 5,261 @ $9.86 · Option exercise (M): 13,351 @ $9.86 · Sale (S): 11,651 @ $68.76 · Sale (S): 6,961 @ $69.92 · Option exercise (M): 5,261 (derivative) @ $0 · Option exercise (M): 13,351 (derivative) @ $0 | EDGAR |
| 2026-02-17 | 4 | Disc Medicine, Inc. (IRON) | Sale (S): 3,231 @ $62.86 | EDGAR |
| 2026-02-11 | 4 | Disc Medicine, Inc. (IRON) | Grant/award (A): 17,000 @ $0 · Grant/award (A): 25,500 (derivative) @ $0 | EDGAR |
| 2025-11-13 | 4 | Disc Medicine, Inc. (IRON) | Option exercise (M): 30,000 @ $2.65 · Sale (S): 8,015 @ $83.15 · Sale (S): 4,585 @ $83.99 · Sale (S): 9,360 @ $85.33 · Sale (S): 8,040 @ $85.91 · Option exercise (M): 30,000 (derivative) @ $0 | EDGAR |
| 2025-02-20 | 4 | Disc Medicine, Inc. (IRON) | Sale (S): 1,610 @ $54.58 | EDGAR |
| 2025-02-12 | 4 | Disc Medicine, Inc. (IRON) | Grant/award (A): 24,000 @ $0 · Grant/award (A): 36,000 (derivative) @ $0 | EDGAR |
| 2024-03-01 | 4 | Disc Medicine, Inc. (IRON) | Grant/award (A): 18,165 @ $0 · Grant/award (A): 27,250 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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