Disc Medicine Inc.
Organization details
- Legal name
- Disc Medicine Inc.
- Former names
- Gemini Therapeutics, Inc. FS Development Corp.
- Ownership
- Public
- Status
- Active
- Sector (GICS)
- Health Care
- SIC code
- 2834 — Pharmaceutical Preparations
- Headquarters city
- Watertown
- Headquarters state / province
- Massachusetts
- Headquarters country
- United States
- Fiscal year end
- December
- Ticker symbol
- IRON
- Primary stock exchange
- Nasdaq
Identifiers
- SEC CIK
- 0001816736
- EIN
- 85-1612845
Board of directors
-
Donald William Nicholson · DirectorSince 2022
-
Georges Gemayel · DirectorSince 2023
-
Jay T. Backstrom · DirectorSince 2022
-
John D. Quisel · Director · Chief Executive OfficerSince 2022
-
Kevin Bitterman · DirectorSince 2022
-
Liam Ratcliffe · DirectorSince 2022
-
Mark Chin · DirectorSince 2022
-
Mona Ashiya · DirectorSince 2022
-
Nadim Ahmed · DirectorSince 2025
-
William Richard White · DirectorSince 2022
Chief executives
Director election results
Annual meeting of June 18, 2026. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
84.2%
-
98.6%
Board connections
7 of this board's directors also sit on 11 other boards. 11 are in the same sector.
-
Yarrow Bioscience Inc. Same sectorvia Mona Ashiya and William Richard White
-
Agios Pharmaceuticals Inc. Same sectorvia Jay T. Backstrom
-
Climb Bio Inc. Same sectorvia Liam Ratcliffe
-
Cullinan Therapeutics Inc. Same sectorvia Nadim Ahmed
-
Gossamer Bio Inc. Same sectorvia John D. Quisel
-
Indivior Pharmaceuticals Inc. Same sectorvia Georges Gemayel
-
OnKure Therapeutics Inc. Same sectorvia Liam Ratcliffe
-
Scholar Rock Holding Corporation Same sectorvia Jay T. Backstrom
-
Shattuck Labs Inc. Same sectorvia Mona Ashiya
-
Supernus Pharmaceuticals Inc. Same sectorvia Georges Gemayel
-
Upstream Bio Inc. Same sectorvia Liam Ratcliffe
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
- Bought, last 12 months
- $0
- 0 purchases by 0 insiders
- Sold, last 12 months
- $47,454,277
- 96 sales by 7 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Oct 21, 2026 | Kevin Bitterman Director | Open-market sale | −13,783 | $80.23 | $1,105,810 |
| Oct 21, 2026 | Kevin Bitterman Director | Open-market sale | −11,470 | $80.23 | $920,238 |
| Oct 21, 2026 | Kevin Bitterman Director | Open-market sale | −266 | $80.23 | $21,341 |
| Oct 20, 2026 | Kevin Bitterman Director | Open-market sale | −2,869 | $79.95 | $229,377 |
| Oct 20, 2026 | Kevin Bitterman Director | Open-market sale | −2,388 | $79.95 | $190,921 |
| Oct 20, 2026 | Kevin Bitterman Director | Open-market sale | −55 | $79.95 | $4,397 |
| Oct 19, 2026 | Kevin Bitterman Director | Open-market sale | −5,937 | $79.97 | $474,782 |
| Oct 19, 2026 | Kevin Bitterman Director | Open-market sale | −4,942 | $79.97 | $395,212 |
| Oct 19, 2026 | Kevin Bitterman Director | Open-market sale | −115 | $79.97 | $9,197 |
| Sep 15, 2026 | John D. Quisel Director, Officer (Chief Executive Officer) | Option exercise | +36,000 | $1.01 | $36,360 |
| Sep 11, 2026 | Kevin Bitterman Director | Option exercise | +7,136 | $45.69 | $326,044 |
| Sep 11, 2026 | Kevin Bitterman Director | Option exercise | +10,000 | $38.85 | $388,500 |
| Sep 11, 2026 | Kevin Bitterman Director | Option exercise | +10,000 | $50.86 | $508,600 |
| Sep 11, 2026 | Kevin Bitterman Director | Open-market sale | −27,136 | $70.11 | $1,902,505 |
| Sep 4, 2026 | Kevin Bitterman Director | Open-market sale | −912 | $79.96 | $72,924 |
Peers
Compare boardsOrganizations in the same sector, closest in location and size first.
Questions about Disc Medicine Inc.
Who is the CEO of Disc Medicine Inc.?
John D. Quisel has been Disc Medicine Inc.'s Chief Executive Officer since December 2022.
How many directors are on Disc Medicine Inc.'s board?
Disc Medicine Inc.'s board has 10 directors: Donald William Nicholson, Georges Gemayel, Jay T. Backstrom, John D. Quisel, Kevin Bitterman, Liam Ratcliffe, Mark Chin, Mona Ashiya, Nadim Ahmed and William Richard White.
Are Disc Medicine Inc. insiders buying or selling shares?
Over the last 12 months, Disc Medicine Inc. insiders made no open-market purchases and sold $47.5 million of shares in 96 sales on the open market, as reported to the SEC on Forms 4 and 5.
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