Disc Medicine Inc.

Last updated September 27, 2026

Organization details

Legal name
Disc Medicine Inc.
Former names
Gemini Therapeutics, Inc. FS Development Corp.
Ownership
Public
Status
Active
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

Chief executives

John D. Quisel · Chief Executive Officer
Dates unknown

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.

Board connections

7 of this board's directors also sit on 10 other boards.

Network of Disc Medicine Inc.'s board connections Yarrow Bioscience Inc. Yarrow Bioscience Inc. Agios Pharmaceuticals Inc. Agios Pharmaceuticals... Climb Bio Inc. Climb Bio Inc. Cullinan Therapeutics Inc. Cullinan Therapeutics... Gossamer Bio Inc. Gossamer Bio Inc. OnKure Therapeutics Inc. OnKure Therapeutics In... Scholar Rock Holding Corporation Scholar Rock Holding C... Shattuck Labs Inc. Shattuck Labs Inc. Supernus Pharmaceuticals Inc. Supernus Pharmaceutica... Upstream Bio Inc. Upstream Bio Inc. Georges Gemayel Georges Gemayel Jay T. Backstrom Jay T. Backstrom John D. Quisel John D. Quisel Liam Ratcliffe Liam Ratcliffe Mona Ashiya Mona Ashiya Nadim Ahmed Nadim Ahmed William Richard White William Richard Whit... Disc Medicine Inc.
Shared director Other board Same sector

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
$120,875,054
116 sales by 8 insiders
Date Insider Transaction Shares Price Value
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
Sep 4, 2026 Kevin Bitterman Director Open-market sale −759 $79.96 $60,690
Sep 4, 2026 Kevin Bitterman Director Open-market sale −18 $79.96 $1,439
Sep 3, 2026 Kevin Bitterman Director Open-market sale −2,810 $79.98 $224,744
Sep 3, 2026 Kevin Bitterman Director Open-market sale −2,339 $79.98 $187,073
Sep 3, 2026 Kevin Bitterman Director Open-market sale −54 $79.98 $4,319
Sep 2, 2026 Kevin Bitterman Director Open-market sale −26,542 $80.17 $2,127,872
Sep 2, 2026 Kevin Bitterman Director Open-market sale −22,090 $80.17 $1,770,955
Sep 2, 2026 Kevin Bitterman Director Open-market sale −511 $80.17 $40,967
Sep 2, 2026 Kevin Bitterman Director Open-market sale −10 $80.98 $810

Reviews (0)

Sign in to write a review.

No reviews yet. Be the first to write one.

We use cookies to run this site and, with your permission, to measure traffic and support the affiliate links that help fund it.