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IRON · Disc Medicine, Inc.
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TEAM-0.32% 13F +439META+3.01% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV+4.49% 13F +693CRM+2.92% 13F +1,018CVNA-0.98% 13F +794TPL-0.71% 13F +444NET+4.32% 13F +710MSTR+17.56% 13F +526DELL+4.91% 13F +1,203CRWD+5.68% 13F +1,382ANET+1.22% 13F +1,323COIN+10.14% 13F +475TEAM-0.32% 13F +439META+3.01% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV+4.49% 13F +693CRM+2.92% 13F +1,018CVNA-0.98% 13F +794TPL-0.71% 13F +444NET+4.32% 13F +710MSTR+17.56% 13F +526DELL+4.91% 13F +1,203CRWD+5.68% 13F +1,382ANET+1.22% 13F +1,323COIN+10.14% 13F +475
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IRON

Disc Medicine, Inc.
PHARMA & BIOTECH · PHARMACEUTICAL PREPARATIONS · CIK 0001816736
FORM 144 · 16☆ WATCH
INSIDER NET · 180D
-$16.6M
open-market buys minus sells, Form 4 codes P and S
INSIDER BUYERS · 180D
0
CONGRESS BUYERS · 1Y
0
FUNDS ADDED · QTR
117
13F, latest reported quarter
REVENUE GROWTH
-
XBRL, annual
NET MARGIN
-
CONVERSIONS · 180D
16
codes C/M, not in net · $1.8M priced
SEVEN FACTS, RANKED AGAINST THE SECTOR · RANK IS NOT A FORECAST
INSIDERS
net -$16.6M over 180 days
-$15.8M over 90 days
below 87% of Pharma & Biotech
CONGRESS
no member of Congress has reported trading it
FUNDS
117 funds added or opened last quarter
more than 71% of Pharma & Biotech
REVENUE
no revenue reported in any filing
MARGIN
no margin: this company reports no revenue to divide by
BUYBACKS
no share repurchases reported
SHORT
19.3% of shares outstanding short · 20.9 days to cover · settled 2026-07-31
more than 95% of Pharma & Biotech
THE SITUATION · EVERY LINE IS ONE RULE OVER ONE DATASET
Insiders are net sellers: -$16.6M across 6 people in 180 days.
117 funds added or opened positions in the latest 13F quarter, of 219 holders.
The year, with the filings on it
Total return indexed to 100 over the last 12 months · every marker is a federal filing, placed at its date — hover any marker for the detail
TOTAL 12M RETURN +29.3%
+29.3%12M
-9%+12%+33%+53%2025-092025-102025-122026-032026-052026-072026-09 2025-10-22 · AI DMI LLC sold $59.9M2025-12-16 · Bitterman Kevin sold $3.3M2025-12-15 · Bitterman Kevin sold $2.6M2026-09-02 · Bitterman Kevin sold $2.1M2025-10-08 · Bitterman Kevin sold $1.8M2026-09-02 · Bitterman Kevin sold $1.8M2025-12-16 · Bitterman Kevin sold $1.7M2026-06-18 · Quisel John D sold $1.6M2025-12-11 · Quisel John D sold $1.6M2025-12-11 · Quisel John D sold $1.5M2025-12-12 · Bitterman Kevin sold $1.5M2025-10-15 · Bitterman Kevin sold $1.5M2025-12-15 · Bitterman Kevin sold $1.4M2025-12-16 · Bitterman Kevin sold $1.3M2026-07-13 · Quisel John D sold $1.3M2025-10-17 · Bitterman Kevin sold $1.2M2025-12-15 · Bitterman Kevin sold $1.0M2026-08-17 · Quisel John D sold $1.0M2025-10-08 · Bitterman Kevin sold $960.4K2026-08-17 · Quisel John D sold $949.2K2025-10-17 · Bitterman Kevin sold $915.2K2025-10-17 · Bitterman Kevin sold $915.1K2025-10-08 · Bitterman Kevin sold $907.4K2025-10-08 · Bitterman Kevin sold $858.5K2025-12-15 · Savage William Jacob sold $836.8K2026-02-17 · Quisel John D sold $833.8K2026-06-16 · Yu Jonathan Yen-Wen sold $801.1K2025-11-11 · Yu Jonathan Yen-Wen sold $798.7K2025-12-12 · Bitterman Kevin sold $784.9K2025-10-07 · Bitterman Kevin sold $773.8K2026-08-25 · Yu Jonathan Yen-Wen sold $731.1K2026-07-13 · Quisel John D sold $720.7K2026-06-22 · Yu Jonathan Yen-Wen sold $704.8K2025-11-11 · Yu Jonathan Yen-Wen sold $690.7K2026-06-18 · Quisel John D sold $673.2K2025-11-11 · Yu Jonathan Yen-Wen sold $666.4K2026-08-17 · Quisel John D sold $656.1K2025-12-15 · Bitterman Kevin sold $643.1K2025-12-12 · Bitterman Kevin sold $604.8K2025-10-08 · Bitterman Kevin sold $561.0K2026-07-13 · Quisel John D sold $486.7K2026-06-16 · Yu Jonathan Yen-Wen sold $486.7K2026-09-03 · Atlas Venture Fund X, LP filed to sell $546.1K2026-09-03 · Atlas Venture Fund XII, LP filed to sell $4.3K2026-09-03 · Atlas Venture Opportunity Fund I, LP filed to sell $224.9K2026-09-03 · Atlas Venture Opportunity Fund II, LP filed to sell $187.2K2026-09-02 · Atlas Venture Fund X, LP filed to sell $5.1M2026-09-02 · Atlas Venture Fund XII, LP filed to sell $40.4K2026-09-02 · Atlas Venture Opportunity Fund I, LP filed to sell $2.1M2026-09-02 · Atlas Venture Opportunity Fund II, LP filed to sell $1.7M2026-08-17 · JOHN QUISEL filed to sell $2.6M2026-08-06 · RAHUL KHARA filed to sell $394.6K2026-07-13 · JOHN QUISEL filed to sell $2.5M2026-07-07 · JONATHAN YU filed to sell $770.1K2026-06-26 · RAHUL KHARA filed to sell $175.4K2026-06-22 · JONATHAN YU filed to sell $707.9K2026-06-18 · RAHUL KHARA filed to sell $526.6K2026-06-18 · JOHN QUISEL filed to sell $2.4M
INSIDER SELLFORM 144
INDEXED RETURN, DIVIDEND-ADJUSTED — NOT A PRICE CHART · LARGE TRADES DRAWN FIRST WHEN A NAME FILES HEAVILY
Live price
Daily candles from TradingView, on their licence — no filings are marked on this one
WHY THIS NAME IS ON THE DESK
Insiders have filed to sell — before selling.
The record shows a net $16.6M sold by insiders over 180 days, 117 funds added last quarter, $20.0M in planned Form 144 sales. Every figure is a federal filing, dated the day it became public.
Backtest this pattern Open the screener
Same sector, ranked by filing activity
Sector from the SEC's own SIC classification
UTHRCPIXMRNAREGNLLYALNYELFCITRMDGLDNAVRTXNUVL
Insider transactions
Form 4 purchases and sales (codes P and S) — grants, option exercises and preferred conversions excluded

Over the last 180 days, Disc Medicine, Inc. insiders sold a net $16.6M of stock across 359 Form 4 purchases and sales, with 0 insider(s) buying. Source: SEC Form 4 filings, as of 2026-09-05.

INSIDER
FILED
SHARES
VALUE
Bitterman Kevin
Director
SELL
2026-09-03
2,810.0
$224.7K
Bitterman Kevin
Director
SELL
2026-09-03
2,339.0
$187.1K
Bitterman Kevin
Director
SELL
2026-09-03
54.0
$4.3K
Bitterman Kevin
Director
SELL
2026-09-02
26,542.0
$2.1M
Bitterman Kevin
Director
SELL
2026-09-02
22,090.0
$1.8M
359 TRANSACTIONS ON RECORD

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Institutional holders
13F · holdings as of the latest quarter funds have reported
FMR LLC
4,894,473.0 sh
$358.0M
BlackRock, Inc.
2,467,899.0 sh
$180.5M
RA CAPITAL MANAGEMENT, L.P.
2,450,221.0 sh
$179.2M
JPMORGAN CHASE & CO
1,875,795.0 sh
$139.9M
WELLINGTON MANAGEMENT GROUP LLP
1,741,351.0 sh
$127.4M
SCHEDULE 13D/G
No 5%+ ownership filings
Nobody has crossed 5% with a filing obligation. Absence is a fact here, not missing data.
Planned sales · Form 144
Filed before the sale — intent, not a trade
Atlas Venture Fund X, LP
FILED 2026-09-03
$546.1K
Atlas Venture Fund XII, LP
FILED 2026-09-03
$4.3K
Atlas Venture Opportunity Fund I, LP
FILED 2026-09-03
$224.9K
Atlas Venture Opportunity Fund II, LP
FILED 2026-09-03
$187.2K
Atlas Venture Fund X, LP
FILED 2026-09-02
$5.1M
Fund concentration
N-PORT · funds ranked by how much of THEMSELVES they put in this stock — the conviction number 13F cannot show
ALPS Medical Breakthroughs ETF
$2.2M POSITION · AS OF 2026-02-28
1.6%
Eventide Healthcare & Life Sciences Fund
$25.3M POSITION · AS OF 2026-03-31
1.6%
Fidelity Disruptive Medicine ETF
$738.0K POSITION · AS OF 2026-02-28
1.2%
PGIM Jennison Health Sciences Fund
$13.2M POSITION · AS OF 2026-02-27
0.9%
State Street(R) SPDR(R) S&P(R) Biotech ETF
$64.7M POSITION · AS OF 2026-03-31
0.9%
PROFUND VP BIOTECHNOLOGY
$354.0K POSITION · AS OF 2026-03-31
0.8%
SEC N-PORT, MONTHLY WITH A ~60-DAY PUBLIC LAG · FUNDS ≥ $10M · % = SHARE OF THE FUND'S OWN BOOK
Clinical pipeline
ClinicalTrials.gov · 10 registered trials, 6 still enrolling or running — a status change here is dated weeks before the press release
3
Phase 1
1 ACTIVE
3
Phase 2
2 ACTIVE
1
Phase 3
1 ACTIVE
1
Not applicable
0 ACTIVE
2
Multi-phase
2 ACTIVE
TRIALS MATCHED TO THIS TICKER BY SPONSOR NAME · STUDIES RUN UNDER A SUBSIDIARY'S OWN NAME ARE NOT INCLUDED
Executive pay vs shareholder return
DEF 14A pay-versus-performance disclosure · both the headline pay and the SEC's mark-to-market figure, beside the return the company delivered and the return of the peer group it chose itself
FY
CEO TOTAL
ACTUALLY PAID
OTHER NEOs AVG
TSR
PEER TSR
2025
$10.0M
$13.5M
$3.8M
+158%
+20%
2024
$9.1M
$8.7M
$3.8M
+106%
-9%
2023
$909.1K
$5.2M
$1.2M
+88%
-8%
2022
$1.8M
$1.2M
$841.3K
-35%
-12%
TAGGED BY THE COMPANY UNDER SEC ITEM 402(v) · RETURN IS CUMULATIVE FROM THE START OF THE DISCLOSURE PERIOD · GREEN WHERE THE COMPANY BEAT ITS OWN PEER GROUP
Fundamentals
Annual figures from XBRL filings · pick a past date to see them exactly as the market knew them then — restatements and all
2025-122024-122023-122022-12
OPERATING INCOME$-236.0M$-129.7M$-91.1M$-47.5M
NET INCOME$-212.2M$-109.4M$-76.4M$-46.8M
EPS (DILUTED)-6.01-3.96-3.42-45.05
OPERATING CASH FLOW$-180.4M$-93.9M$-73.5M$-42.3M
CASH$91.1M$192.4M$360.4M$194.6M
LONG-TERM DEBT$29.2M$28.3M$0—
SEC XBRL · FISCAL-YEAR PERIODS · AS KNOWN ON 2026-09-05 · NOBODY ELSE SHOWS FUNDAMENTALS AS OF A PAST DATE
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Public filings, honestly analyzed. Official US government sources in one desk — every figure carries the date it was filed, and the methodology is published, backtest included.

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© 2026 WAVEMAN · SOURCE: SEC EDGAR & OFFICIAL GOVERNMENT DATA · NOT INVESTMENT ADVICE · CHART BY TRADINGVIEW · UPDATED 2026-09-05 ALL SYSTEMS LIVE FOR MACHINES →