IRON insider transaction filings
Disc Medicine, Inc. — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-09-16. Screen IRON transaction legs live →
Insider transaction summary — last 90 days
2026-06-24 to 2026-09-22, from the filings listed below: 13 Form 4 filings. 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): 31 legs across 12 filings by 4 insiders — 176,821 shares, $13,635,856 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 32.
- Largest priced transaction: sale of 26,542 shares @ $80.17 ($2,127,872) by Bitterman Kevin, filed 2026-09-03.
By insider — same window
Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Insider | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|
| Bitterman Kevin — Director | 3 | — | 16 legs · 83,321 sh · $6,405,502 | 6 |
| Quisel John D — Chief Executive Officer, Director | 3 | — | 6 legs · 66,000 sh · $5,085,762 | 8 |
| Yu Jonathan Yen-Wen — Chief Operating Officer | 5 | — | 6 legs · 20,000 sh · $1,557,092 | 12 |
| Khara Rahul — Chief Legal Officer | 2 | — | 3 legs · 7,500 sh · $587,500 | 6 |
Recent Form 4 filings — Disc Medicine, Inc.
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-16 | 4 | Quisel John D — Chief Executive Officer, Director | Option exercise (M): 36,000 @ $1.01 · Option exercise (M): 36,000 (derivative) @ $0 | EDGAR |
| 2026-09-15 | 4 | Bitterman Kevin — Director | Option exercise (M): 7,136 @ $45.69 · Option exercise (M): 10,000 @ $38.85 · Option exercise (M): 10,000 @ $50.86 · Sale (S): 27,136 @ $70.11 · Option exercise (M): 7,136 (derivative) @ $0 · Option exercise (M): 10,000 (derivative) @ $0 · +1 more | EDGAR |
| 2026-09-09 | 4 | Bitterman Kevin — Director | Sale (S): 912 @ $79.96 · Sale (S): 759 @ $79.96 · Sale (S): 18 @ $79.96 | EDGAR |
| 2026-09-03 | 4 | Bitterman Kevin — Director | Sale (S): 70 @ $79.95 · Sale (S): 58 @ $79.95 · Sale (S): 1 @ $79.95 · Sale (S): 26,542 @ $80.17 · Sale (S): 22,090 @ $80.17 · Sale (S): 511 @ $80.17 · +6 more | EDGAR |
| 2026-08-26 | 4 | Yu Jonathan Yen-Wen — Chief Operating Officer | 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 |
| 2026-08-18 | 4 | Quisel John D — Chief Executive Officer, Director | Option exercise (M): 33,000 @ $13.50 · Sale (S): 8,400 @ $78.11 · Sale (S): 12,712 @ $79.20 · Sale (S): 11,888 @ $79.84 · Option exercise (M): 33,000 (derivative) @ $0 | EDGAR |
| 2026-08-14 | 4 | Yu Jonathan Yen-Wen — Chief Operating Officer | Option exercise (M): 804 @ $13.50 · Sale (S): 804 @ $82.64 · Option exercise (M): 804 (derivative) @ $0 | EDGAR |
| 2026-08-07 | 4 | Khara Rahul — Chief Legal Officer | Option exercise (M): 5,000 @ $14.69 · Sale (S): 5,000 @ $80 · Option exercise (M): 5,000 (derivative) @ $0 | EDGAR |
| 2026-07-14 | 4 | Quisel John D — Chief Executive Officer, Director | Option exercise (M): 25,584 @ $9.86 · Option exercise (M): 7,416 @ $13.50 · Sale (S): 9,704 @ $74.27 · Sale (S): 16,896 @ $74.95 · Sale (S): 6,400 @ $76.05 · Option exercise (M): 25,584 (derivative) @ $0 · +1 more | EDGAR |
| 2026-07-09 | 4 | Yu Jonathan Yen-Wen — Chief Operating Officer | Option exercise (M): 100 @ $13.50 · Sale (S): 100 @ $82.50 · Option exercise (M): 100 (derivative) @ $0 | EDGAR |
| 2026-06-30 | 4 | Khara Rahul — Chief Legal Officer | Option exercise (M): 851 @ $14.69 · Sale (S): 851 @ $75 · Option exercise (M): 1,649 @ $14.69 · Sale (S): 1,649 @ $75 · Option exercise (M): 851 (derivative) @ $0 · Option exercise (M): 1,649 (derivative) @ $0 | EDGAR |
| 2026-06-30 | 4 | Yu Jonathan Yen-Wen — Chief Operating Officer | Option exercise (M): 300 @ $13.50 · Sale (S): 300 @ $72.50 · Option exercise (M): 300 (derivative) @ $0 | EDGAR |
| 2026-06-24 | 4 | Yu Jonathan Yen-Wen — Chief Operating Officer | Option exercise (M): 9,700 @ $13.50 · Sale (S): 9,700 @ $72.66 · Option exercise (M): 9,700 (derivative) @ $0 | EDGAR |
| 2026-06-23 | 4 | Khara Rahul — Chief Legal Officer | Option exercise (M): 7,500 @ $14.69 · Sale (S): 5,400 @ $69.94 · Sale (S): 1,600 @ $70.73 · Sale (S): 500 @ $71.62 · Option exercise (M): 7,500 (derivative) @ $0 | EDGAR |
| 2026-06-23 | 4 | Nicholson Donald William — Director | Grant/award (A): 6,212 (derivative) @ $0 | EDGAR |
| 2026-06-23 | 4 | White William Richard — Director | Grant/award (A): 6,212 (derivative) @ $0 | EDGAR |
| 2026-06-23 | 4 | Chin Mark — Director | Grant/award (A): 6,212 (derivative) @ $0 | EDGAR |
| 2026-06-23 | 4 | AHMED NADIM — Director | Grant/award (A): 5,176 (derivative) @ $0 | EDGAR |
| 2026-06-23 | 4 | Bitterman Kevin — Director | Grant/award (A): 6,212 (derivative) @ $0 | EDGAR |
| 2026-06-23 | 4 | Quisel John D — Chief Executive Officer, Director | Option exercise (M): 34,000 @ $9.86 · Sale (S): 22,927 @ $69.92 · Sale (S): 9,522 @ $70.70 · Sale (S): 1,551 @ $71.61 · Option exercise (M): 34,000 (derivative) @ $0 | EDGAR |
| 2026-06-23 | 4 | Ratcliffe Liam — Director | Grant/award (A): 6,212 (derivative) @ $0 | EDGAR |
| 2026-06-23 | 4 | GEMAYEL GEORGES — Director | Grant/award (A): 6,212 (derivative) @ $0 | EDGAR |
| 2026-06-18 | 4 | Yu Jonathan Yen-Wen — Chief Operating Officer | 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 |
| 2026-04-15 | 4 | Savage William Jacob — Chief Medical Officer | Sale (S): 3,531 @ $66.12 · Sale (S): 2,200 @ $66.81 | EDGAR |
| 2026-04-15 | 4 | Franchi Jean M. — Chief Financial Officer | Sale (S): 400 @ $69 · Sale (S): 6,257 @ $69.24 | EDGAR |
| 2026-03-04 | 4 | Savage William Jacob — Chief Medical Officer | Sale (S): 4,392 @ $65.52 · Sale (S): 2,986 @ $66.41 | EDGAR |
| 2026-02-27 | 4 | Franchi Jean M. — Chief Financial Officer | Sale (S): 353 @ $69.06 | EDGAR |
| 2026-02-19 | 4 | Franchi Jean M. — Chief Financial Officer | Sale (S): 4,075 @ $62.86 · Sale (S): 3,397 @ $65.01 · Sale (S): 3,684 @ $65.89 | EDGAR |
| 2026-02-17 | 4 | Khara Rahul — Chief Legal Officer | Sale (S): 2,853 @ $62.86 | EDGAR |
| 2026-02-17 | 4 | Savage William Jacob — Chief Medical Officer | Sale (S): 3,256 @ $62.86 | EDGAR |
| 2026-02-17 | 4 | Yu Jonathan Yen-Wen — Chief Operating Officer | Sale (S): 3,231 @ $62.86 | EDGAR |
| 2026-02-17 | 4 | Stephenson Pamela — Chief Commercial Officer | Sale (S): 5,531 @ $62.86 | EDGAR |
| 2026-02-17 | 4 | Quisel John D — Chief Executive Officer, Director | Sale (S): 13,264 @ $62.86 | EDGAR |
| 2026-02-11 | 4 | Khara Rahul — Chief Legal Officer | Grant/award (A): 17,000 @ $0 · Grant/award (A): 25,500 (derivative) @ $0 | EDGAR |
| 2026-02-11 | 4 | Savage William Jacob — Chief Medical Officer | Grant/award (A): 17,000 @ $0 · Grant/award (A): 25,500 (derivative) @ $0 | EDGAR |
| 2026-02-11 | 4 | Yu Jonathan Yen-Wen — Chief Operating Officer | Grant/award (A): 17,000 @ $0 · Grant/award (A): 25,500 (derivative) @ $0 | EDGAR |
| 2026-02-11 | 4 | Stephenson Pamela — Chief Commercial Officer | Grant/award (A): 17,000 @ $0 · Grant/award (A): 25,500 (derivative) @ $0 | EDGAR |
| 2026-02-11 | 4 | Franchi Jean M. — Chief Financial Officer | Grant/award (A): 19,000 @ $0 · Grant/award (A): 25,500 (derivative) @ $0 | EDGAR |
| 2026-02-11 | 4 | Quisel John D — Chief Executive Officer, Director | Grant/award (A): 55,200 @ $0 · Grant/award (A): 82,800 (derivative) @ $0 | EDGAR |
| 2026-01-21 | 4 | Khara Rahul — Chief Legal Officer | Option exercise (M): 1,000 @ $13.50 · Sale (S): 1,000 @ $69.74 · Option exercise (M): 1,000 (derivative) @ $0 | EDGAR |
| 2026-01-05 | 4 | Khara Rahul — Chief Legal Officer | Option exercise (M): 6,500 @ $13.50 · Sale (S): 350 @ $77.67 · Sale (S): 4,993 @ $78.62 · Sale (S): 1,157 @ $79.27 · Option exercise (M): 6,500 (derivative) @ $0 | EDGAR |
| 2025-12-29 | 4 | Savage William Jacob — Chief Medical Officer | Option exercise (M): 2,825 @ $9.86 · Option exercise (M): 219 @ $9.86 · Option exercise (M): 99 @ $13.50 · Option exercise (M): 2,825 (derivative) @ $0 · Option exercise (M): 219 (derivative) @ $0 · Option exercise (M): 99 (derivative) @ $0 | EDGAR |
| 2025-12-19 | 4 | Quisel John D — Chief Executive Officer, Director | Option exercise (M): 12,300 @ $1.01 · Option exercise (M): 12,300 (derivative) @ $0 | EDGAR |
| 2025-12-18 | 4 | Bitterman Kevin — Director | Sale (S): 393 @ $91.47 · Sale (S): 213 @ $91.47 · Sale (S): 148 @ $91.47 | EDGAR |
| 2025-12-16 | 4 | Savage William Jacob — Chief Medical Officer | Sale (S): 3,642 @ $90.60 · Sale (S): 9,151 @ $91.44 · Sale (S): 300 @ $92.23 | EDGAR |
| 2025-12-16 | 4 | Bitterman Kevin — Director | Sale (S): 16,403 @ $92.05 · Sale (S): 3,852 @ $92.58 · Sale (S): 3,446 @ $93.80 · Sale (S): 8,527 @ $92.05 · Sale (S): 2,005 @ $92.58 · Sale (S): 1,793 @ $93.80 · +15 more | EDGAR |
| 2025-12-15 | 4 | Quisel John D — Chief Executive Officer, Director | Option exercise (M): 40,000 @ $9.86 · Sale (S): 2,419 @ $90.97 · Sale (S): 4,337 @ $92.21 · Sale (S): 16,356 @ $92.96 · Sale (S): 16,888 @ $93.65 · Option exercise (M): 40,000 (derivative) @ $0 | EDGAR |
| 2025-11-13 | 4 | Yu Jonathan Yen-Wen — Chief Operating Officer | 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 |
| 2025-10-24 | 4 | AI DMI LLC — 10% owner Access Industries Holdings LLC — 10% owner ACCESS INDUSTRIES MANAGEMENT, LLC — 10% owner Blavatnik Len — 10% owner | Sale (S): 744,047 @ $80.47 | EDGAR |
| 2025-10-17 | 4 | Bitterman Kevin — Director | Sale (S): 19,542 @ $77.16 · Sale (S): 2,618 @ $77.76 · Sale (S): 1,425 @ $77.11 · Sale (S): 1,125 @ $84.89 · Sale (S): 1,125 @ $84.89 · Sale (S): 3,000 @ $86.13 · +11 more | EDGAR |
Recent 8-K events — Disc Medicine, Inc.
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-09-10 | 8-K | 7.01 — Regulation FD Disclosure 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-07-30 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-06-30 | 8-K | 1.01 — Entry into a Material Definitive Agreement 2.03 — Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant | EDGAR |
| 2026-06-24 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
| 2026-05-05 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-02-27 | 8-K | ? | EDGAR |
| 2026-02-26 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-02-17 | 8-K | 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-02-13 | 8-K | 7.01 — Regulation FD Disclosure 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-01-12 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
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