IRON Insider Trading

Insider Trading Chart
Insider Trading History
Frequently Asked Questions
About

Insider Ownership Percentage: 3.64%

Insider Buying (Last 12 Months): $0.00

Insider Selling (Last 12 Months): $48,364,938.08

Disc Medicine Insider Trading History Chart

Disc Medicine Share Price & Price History

^$93.79

▲ +1.41 (1.53%)

As of 12/4/2025 05:00 PM ET

Days: 30 | 90 | 365

Disc Medicine Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
11/11/2025	Jonathan Yen-Wen Yu	COO	Sell	30,000	$84.70	$2,541,000.00	40,555
10/17/2025	Kevin Bitterman	Director	Sell	70,000	$88.91	$6,223,700.00	385,549
10/16/2025	Kevin Bitterman	Director	Sell	1,425	$77.11	$109,881.75	477,036
10/15/2025	Kevin Bitterman	Director	Sell	22,160	$77.23	$1,711,416.80	478,461
10/8/2025	Kevin Bitterman	Director	Sell	71,961	$70.58	$5,079,007.38	500,621
10/7/2025	Kevin Bitterman	Director	Sell	18,039	$68.38	$1,233,506.82	572,582
8/22/2025	Kevin Bitterman	Director	Sell	2,287	$61.03	$139,575.61	590,621
8/14/2025	Kevin Bitterman	Director	Sell	7,212	$60.99	$439,859.88	592,908
8/13/2025	Kevin Bitterman	Director	Sell	24,962	$61.15	$1,526,426.30	600,120
8/5/2025	Kevin Bitterman	Director	Sell	395	$60.95	$24,075.25	625,082
7/30/2025	Kevin Bitterman	Director	Sell	8,492	$61.04	$518,351.68	625,477
7/24/2025	Kevin Bitterman	Director	Sell	13,033	$61.17	$797,228.61	633,969
7/23/2025	Kevin Bitterman	Director	Sell	29,837	$60.97	$1,819,161.89	647,002
7/18/2025	Kevin Bitterman	Director	Sell	664	$61.13	$40,590.32	676,839
7/17/2025	Jean M Franchi	CFO	Sell	2,031	$59.00	$119,829.00	63,499
7/10/2025	Jean M Franchi	CFO	Sell	2,000	$57.50	$115,000.00	65,530
7/9/2025	John D Quisel	CEO	Sell	34,800	$55.33	$1,925,484.00	161,828
7/3/2025	John D Quisel	CEO	Sell	5,200	$55.09	$286,468.00	161,828
6/16/2025	Jean M Franchi	CFO	Sell	2,000	$52.26	$104,520.00	67,530
6/6/2025	William Jacob Savage	Insider	Sell	2,996	$50.00	$149,800.00	56,725
5/20/2025	William Jacob Savage	Insider	Sell	6,677	$50.04	$334,117.08	59,721
5/2/2025	William Jacob Savage	Insider	Sell	2,100	$50.17	$105,357.00	66,398
3/24/2025	Mona Ashiya	Director	Sell	5,738	$54.11	$310,483.18	186,541
3/21/2025	Mona Ashiya	Director	Sell	10,011	$54.00	$540,594.00	187,297
3/19/2025	Mona Ashiya	Director	Sell	39,656	$54.02	$2,142,217.12	188,981
3/12/2025	Mona Ashiya	Director	Sell	83,182	$54.45	$4,529,259.90	194,209
3/10/2025	Mona Ashiya	Director	Sell	202,146	$54.29	$10,974,506.34	208,742
2/18/2025	Jean M Franchi	CFO	Sell	3,136	$54.58	$171,162.88	69,530
2/18/2025	John D Quisel	CEO	Sell	5,574	$54.58	$304,228.92	154,828
2/18/2025	Jonathan Yen-Wen Yu	COO	Sell	1,610	$54.58	$87,873.80	40,555
2/18/2025	Pamela Stephenson	Insider	Sell	3,137	$54.58	$171,217.46	69,529
2/3/2025	Rahul Khara	Insider	Sell	7,500	$55.54	$416,550.00	14,035
1/2/2025	Rahul Khara	Insider	Sell	7,500	$62.75	$470,625.00	14,035
12/30/2024	John D Quisel	CEO	Sell	13,012	$61.95	$806,093.40	72,065
12/23/2024	John D Quisel	CEO	Sell	19,820	$63.14	$1,251,434.80	72,065
12/16/2024	John D Quisel	CEO	Sell	12,791	$66.01	$844,333.91	72,065
12/2/2024	William Richard White	Director	Sell	1,957	$64.63	$126,480.91
11/25/2024	William Jacob Savage	Insider	Sell	14,183	$65.45	$928,277.35	40,405
11/15/2024	William Jacob Savage	Insider	Sell	9,158	$59.64	$546,183.12	40,405
11/4/2024	William Richard White	Director	Sell	7,136	$58.61	$418,240.96
11/1/2024	William Richard White	Director	Sell	201	$46.37	$9,320.37
10/1/2024	William Richard White	Director	Sell	201	$51.31	$10,313.31
8/1/2024	William Richard White	Director	Sell	201	$43.44	$8,731.44
4/11/2024	William Richard White	Director	Sell	2,560	$31.80	$81,408.00
1/23/2024	Kevin Bitterman	Director	Sell	102,500	$67.65	$6,934,125.00	198,326
1/23/2024	Venture Fund X L.P. Atlas	Major Shareholder	Sell	47,500	$67.65	$3,213,375.00	1,402,186
1/10/2024	Kevin Bitterman	Director	Sell	20,000	$64.00	$1,280,000.00	786,160
1/10/2024	Venture Fund X L.P. Atlas	Major Shareholder	Sell	30,000	$64.00	$1,920,000.00	1,449,686
12/18/2023	Mona Ashiya	Director	Sell	1,724	$59.24	$102,129.76
12/14/2023	Orbimed Advisors Llc	Director	Sell	200	$57.73	$11,546.00	727,807
12/14/2023	Venture Fund X L.P. Atlas	Major Shareholder	Sell	30,825	$58.28	$1,796,481.00	1,479,686
12/12/2023	Orbimed Advisors Llc	Director	Sell	27,300	$60.16	$1,642,368.00	295,605
12/12/2023	Venture Fund X L.P. Atlas	Major Shareholder	Sell	77,951	$62.80	$4,895,322.80	1,515,834
12/5/2023	Joanne Bryce	CFO	Sell	2,541	$56.00	$142,296.00	2,500
11/22/2023	Rahul Khara	General Counsel	Sell	10,000	$51.73	$517,300.00
11/14/2023	Rahul Khara	General Counsel	Sell	4,900	$50.61	$247,989.00
11/3/2023	Rahul Khara	General Counsel	Sell	100	$50.00	$5,000.00
9/16/2023	Venture Fund X L.P. Atlas	Major Shareholder	Sell	2,115	$53.22	$112,560.30	1,593,785
9/14/2023	Venture Fund X L.P. Atlas	Major Shareholder	Sell	94,440	$53.05	$5,010,042.00	1,856,794
9/1/2023	Joanne Bryce	CFO	Sell	1,000	$52.99	$52,990.00	1,260
8/15/2023	Kevin Bitterman	Director	Sell	72,931	$52.40	$3,821,584.40	882,224
8/15/2023	William Jacob Savage	insider	Sell	7,672	$52.95	$406,232.40
8/14/2023	Venture Fund X L.P. Atlas	Major Shareholder	Sell	175,000	$52.59	$9,203,250.00	2,062,303
8/9/2023	William Jacob Savage	Insider	Sell	8,269	$49.83	$412,044.27	7,672
8/1/2023	Joanne Bryce	CFO	Sell	4,521	$49.91	$225,643.11	1,260
6/30/2023	Brian Richard Macdonald	Insider	Sell	4,324	$45.05	$194,796.20	12,876
6/28/2023	Holdings A/S Novo	Major Shareholder	Sell	1,250,000	$46.10	$57,625,000.00	1,090,772
6/28/2023	Joanne Bryce	CFO	Sell	10,072	$49.95	$503,096.40	1,260
6/28/2023	William Jacob Savage	Insider	Sell	4,384	$49.98	$219,112.32	15,941

SEC Filings (Institutional Ownership Changes) for Disc Medicine (NASDAQ:IRON)

83.70% of Disc Medicine stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

Disc Medicine Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
11/17/2025	Verition Fund Management LLC	6,133	$0.41M	0.0%	N/A	0.016%
11/17/2025	Vestal Point Capital LP	500,000	$33.04M	1.5%	+257.1%	1.325%
11/17/2025	Palo Alto Investors LP	224,300	$14.82M	2.7%	+54.0%	0.594%
11/17/2025	Paradigm Biocapital Advisors LP	247,716	$16.37M	0.5%	-79.5%	0.656%
11/17/2025	Millennium Management LLC	161,000	$10.64M	0.0%	+340.0%	0.426%
11/17/2025	MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	12,646	$0.83M	0.0%	-15.9%	0.033%
11/17/2025	Fred Alger Management LLC	13,726	$0.91M	0.0%	N/A	0.036%
11/17/2025	First Light Asset Management LLC	231,186	$15.28M	1.4%	N/A	0.612%
11/17/2025	Checkpoint Capital L.P.	430,000	$28.41M	9.5%	+62.3%	1.139%
11/17/2025	Bank of America Corp DE	161,184	$10.65M	0.0%	-4.5%	0.427%
11/17/2025	Alliancebernstein L.P.	24,540	$1.62M	0.0%	+1.7%	0.065%
11/17/2025	Ameriprise Financial Inc.	74,350	$4.91M	0.0%	-38.8%	0.197%
11/14/2025	Raymond James Financial Inc.	141,479	$9.35M	0.0%	+63.6%	0.407%
11/14/2025	California State Teachers Retirement System	22,093	$1.46M	0.0%	+9.1%	0.064%
11/14/2025	Balyasny Asset Management L.P.	338,101	$22.34M	0.0%	N/A	0.973%
11/14/2025	UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC	91,380	$6.04M	0.0%	-24.8%	0.263%
11/14/2025	Squarepoint Ops LLC	5,377	$0.36M	0.0%	N/A	0.015%
11/14/2025	Wellington Management Group LLP	1,410,077	$93.18M	0.0%	-1.5%	4.056%
11/14/2025	Atlas Venture Life Science Advisors LLC	2,142,617	$141.58M	18.8%	-10.1%	6.162%
11/13/2025	Kennedy Capital Management LLC	9,028	$0.60M	0.0%	N/A	0.026%
11/13/2025	UBS Group AG	171,623	$11.34M	0.0%	+17.9%	0.494%
11/13/2025	BNP Paribas Financial Markets	37,610	$2.49M	0.0%	+699.7%	0.108%
11/13/2025	Legal & General Group Plc	25,147	$1.66M	0.0%	+4.4%	0.072%
11/13/2025	Swiss National Bank	43,600	$2.88M	0.0%	+1.6%	0.125%
11/13/2025	Russell Investments Group Ltd.	2,438	$0.16M	0.0%	+15,137.5%	0.007%
11/13/2025	Schroder Investment Management Group	67,196	$4.37M	0.0%	-18.5%	0.193%
11/13/2025	Blue Owl Capital Holdings LP	102,260	$6.76M	2.1%	-16.4%	0.294%
11/12/2025	Barclays PLC	107,203	$7.08M	0.0%	+23.9%	0.308%
11/12/2025	Dimensional Fund Advisors LP	230,423	$15.22M	0.0%	+19.5%	0.663%
11/12/2025	Legato Capital Management LLC	11,287	$0.75M	0.1%	+56.2%	0.032%
11/12/2025	Victory Capital Management Inc.	149,864	$9.90M	0.0%	-24.2%	0.431%
11/12/2025	Rafferty Asset Management LLC	37,302	$2.47M	0.0%	+18.5%	0.107%
11/12/2025	Aster Capital Management DIFC Ltd	576	$38K	0.0%	N/A	0.002%
11/12/2025	DNB Asset Management AS	5,522	$0.37M	0.0%	+20.5%	0.016%
11/12/2025	Intech Investment Management LLC	8,006	$0.53M	0.0%	-34.5%	0.023%
11/10/2025	TD Asset Management Inc	59,248	$3.92M	0.0%	+11.7%	0.170%
11/10/2025	Ameritas Investment Partners Inc.	1,931	$0.13M	0.0%	-23.2%	0.006%
11/10/2025	China Universal Asset Management Co. Ltd.	7,094	$0.47M	0.0%	+2.0%	0.020%
11/7/2025	Vanguard Group Inc.	1,448,059	$95.69M	0.0%	+3.7%	4.165%
11/7/2025	JPMorgan Chase & Co.	752,879	$49.75M	0.0%	-10.8%	2.165%
11/7/2025	TimesSquare Capital Management LLC	182,170	$12.04M	0.2%	N/A	0.524%
11/6/2025	Rhumbline Advisers	34,490	$2.28M	0.0%	-3.5%	0.099%
11/6/2025	Bryce Point Capital LLC	3,912	$0.26M	0.3%	N/A	0.011%
11/6/2025	Profund Advisors LLC	8,118	$0.54M	0.0%	+20.9%	0.023%
11/6/2025	ProShare Advisors LLC	5,188	$0.34M	0.0%	-18.2%	0.015%
11/5/2025	Alps Advisors Inc.	16,792	$1.11M	0.0%	-9.8%	0.048%
11/4/2025	Atle Fund Management AB	45,690	$3.02M	1.2%	+85.3%	0.131%
11/3/2025	Arizona State Retirement System	6,654	$0.44M	0.0%	+1.8%	0.019%
11/3/2025	New York State Common Retirement Fund	21,490	$1.42M	0.0%	+27.5%	0.062%
10/31/2025	Y Intercept Hong Kong Ltd	43,287	$2.86M	0.1%	+361.4%	0.124%
10/30/2025	iA Global Asset Management Inc.	65,512	$4.33M	0.1%	+20,245.3%	0.188%
10/30/2025	Universal Beteiligungs und Servicegesellschaft mbH	11,438	$0.76M	0.0%	+55.1%	0.033%
10/28/2025	Campbell & CO Investment Adviser LLC	5,290	$0.35M	0.0%	N/A	0.015%
10/23/2025	SG Americas Securities LLC	8,064	$0.53M	0.0%	N/A	0.023%
10/16/2025	Avanza Fonder AB	1,668	$0.11M	0.0%	+54.0%	0.005%
10/9/2025	Voya Investment Management LLC	4,266	$0.28M	0.0%	-36.3%	0.012%
10/7/2025	Assenagon Asset Management S.A.	10,433	$0.69M	0.0%	N/A	0.030%
8/15/2025	Tower Research Capital LLC TRC	3,975	$0.21M	0.0%	+383.0%	0.011%
8/15/2025	Exome Asset Management LLC	61,356	$3.25M	1.7%	-0.5%	0.177%
8/15/2025	Sofinnova Investments Inc.	7,312	$0.39M	0.0%	-2.3%	0.021%
8/15/2025	Rafferty Asset Management LLC	31,489	$1.67M	0.0%	-7.5%	0.091%
8/15/2025	Opaleye Management Inc.	186,418	$9.87M	2.0%	+119.3%	0.538%
8/15/2025	Frazier Life Sciences Management L.P.	1,654,834	$87.64M	3.5%	-5.7%	4.779%
8/15/2025	Eventide Asset Management LLC	308,030	$16.31M	0.3%	+69.4%	0.889%
8/15/2025	BNP Paribas Financial Markets	4,703	$0.25M	0.0%	-54.3%	0.014%
8/15/2025	Bain Capital Life Sciences Investors LLC	583,500	$30.90M	3.9%	-40.7%	1.685%
8/15/2025	Bank of America Corp DE	168,822	$8.94M	0.0%	+213.7%	0.488%
8/15/2025	Adage Capital Partners GP L.L.C.	450,000	$23.83M	0.0%	+50.0%	1.299%
8/15/2025	Ameriprise Financial Inc.	121,520	$6.44M	0.0%	+79.0%	0.351%
8/14/2025	Nantahala Capital Management LLC	287,800	$15.24M	0.6%	+93.9%	0.831%
8/14/2025	Raymond James Financial Inc.	86,487	$4.58M	0.0%	+3.9%	0.250%
8/14/2025	The Manufacturers Life Insurance Company	51,836	$2.75M	0.0%	+27.7%	0.150%
8/14/2025	OCONNOR A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS LLC	12,317	$0.65M	0.0%	-9.6%	0.036%
8/14/2025	HighVista Strategies LLC	6,733	$0.36M	0.1%	+4.3%	0.019%
8/14/2025	Bollard Group LLC	30,635	$1.62M	0.0%	N/A	0.088%
8/13/2025	Walleye Capital LLC	14,064	$0.75M	0.0%	-36.3%	0.041%
8/13/2025	First Trust Advisors LP	10,246	$0.54M	0.0%	N/A	0.030%
8/13/2025	Saturn V Capital Management LP	396,115	$20.98M	8.5%	-23.6%	1.144%
8/13/2025	Invesco Ltd.	16,817	$0.89M	0.0%	+21.6%	0.049%
8/13/2025	Sio Capital Management LLC	284,787	$15.08M	5.8%	+287.4%	0.822%
8/13/2025	New York State Common Retirement Fund	16,852	$0.89M	0.0%	+168.5%	0.049%
8/13/2025	Schroder Investment Management Group	82,451	$4.49M	0.0%	-5.5%	0.238%
8/13/2025	Virtus Investment Advisers LLC	1,784	$94K	0.0%	-30.2%	0.005%
8/13/2025	State Board of Administration of Florida Retirement System	9,129	$0.48M	0.0%	+125.4%	0.026%
8/12/2025	Ameritas Investment Partners Inc.	2,515	$0.13M	0.0%	+8.9%	0.007%
8/12/2025	Rhumbline Advisers	35,755	$1.89M	0.0%	+11.2%	0.103%
8/12/2025	Legal & General Group Plc	24,097	$1.28M	0.0%	+18.0%	0.070%
8/12/2025	JPMorgan Chase & Co.	843,616	$44.68M	0.0%	+11.1%	2.436%
8/12/2025	DNB Asset Management AS	4,583	$0.24M	0.0%	N/A	0.013%
8/12/2025	Swiss National Bank	42,900	$2.27M	0.0%	+19.5%	0.124%
8/12/2025	Ensign Peak Advisors Inc	141,545	$7.50M	0.0%	+95.2%	0.409%
8/11/2025	Patient Square Capital LP	74,000	$3.92M	1.4%	-10.8%	0.214%
8/11/2025	Universal Beteiligungs und Servicegesellschaft mbH	7,376	$0.39M	0.0%	+15.4%	0.021%
8/8/2025	Intech Investment Management LLC	12,222	$0.65M	0.0%	+11.6%	0.035%
8/8/2025	Police & Firemen s Retirement System of New Jersey	5,490	$0.29M	0.0%	+12.3%	0.016%
8/8/2025	Geode Capital Management LLC	598,589	$31.71M	0.0%	+4.7%	1.728%
8/8/2025	PNC Financial Services Group Inc.	25,140	$1.33M	0.0%	+6.1%	0.073%
8/7/2025	Profund Advisors LLC	6,714	$0.36M	0.0%	-6.2%	0.019%
8/5/2025	Bank of Montreal Can	10,988	$0.58M	0.0%	+87.8%	0.032%
8/1/2025	Teacher Retirement System of Texas	6,017	$0.32M	0.0%	+21.2%	0.017%

Data available starting January 2016

Disc Medicine, Inc., together with its subsidiaries, a clinical-stage biopharmaceutical company, engages in the discovery, development, and commercialization of novel treatments for patients suffering from serious hematologic diseases in the United States. The company has assembled a portfolio of clinical and preclinical product candidates that aim to modify fundamental biological pathways associated with the formation and function of red blood cells, primarily heme biosynthesis and iron homeostasis. Its pipeline includes bitopertin for the treatment of erythropoietic porphyrias, including erythropoietic protoporphyria, X-linked protoporphyria, and diamond-blackfan anemia; DISC-0974 for the treatment of anemia of myelofibrosis, and anemia of chronic kidney disease; and DISC-3405 for the treatment of polycythemia vera, and other hematologic disorders. The company's preclinical programs include DISC-0998, for the treatment of anemia associated with inflammatory diseases. Disc Medicine, Inc. was founded in 2017 and is headquartered in Watertown, Massachusetts.

Today's Range

Now: $93.79

$91.22

$94.58

50 Day Range

MA: $82.90

$65.06

$94.11

52 Week Range

Now: $93.79

$30.82

$97.11

Volume

280,041 shs

Average Volume

539,480 shs

Market Capitalization

$3.54 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

0.87

Who are the company insiders with the largest holdings of Disc Medicine?: Disc Medicine's top insider shareholders include:
Venture Fund X LP Atlas (Major Shareholder)
Kevin Bitterman (Director)
Orbimed Advisors Llc (Director)
Mona Ashiya (Director)
John D Quisel (CEO)
Jean M Franchi (CFO)
Pamela Stephenson (Insider)
William Jacob Savage (Insider)
Jonathan Yen-Wen Yu (COO)
Rahul Khara (Insider)
Joanne Bryce (CFO)
William Richard White (Director)
Learn More about top insider investors at Disc Medicine.
Who are the major institutional investors of Disc Medicine?: Disc Medicine's top institutional investors include:
Atlas Venture Life Science Advisors LLC — 6.16%
Vanguard Group Inc. — 4.16%
Wellington Management Group LLP — 4.06%
JPMorgan Chase & Co. — 2.17%
Vestal Point Capital LP — 1.32%
Checkpoint Capital L.P. — 1.14%
Learn More about top institutional investors of Disc Medicine stock.
Which institutional investors are selling Disc Medicine stock?: In the previous quarter, IRON stock was sold by these institutional investors:
Paradigm Biocapital Advisors LP
Atlas Venture Life Science Advisors LLC
JPMorgan Chase & Co.
Victory Capital Management Inc.
Ameriprise Financial Inc.
UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC
Wellington Management Group LLP
Blue Owl Capital Holdings LP
Within the last year, company insiders that have sold Disc Medicine company stock include:
Venture Fund X LP Atlas (Major Shareholder)
Kevin Bitterman (Director)
Orbimed Advisors Llc (Director)
Mona Ashiya (Director)
John D Quisel (CEO)
Jean M Franchi (CFO)
Pamela Stephenson (Insider)
William Jacob Savage (Insider)
Learn More investors selling Disc Medicine stock.
Which institutional investors are buying Disc Medicine stock?: During the previous quarter, IRON stock was purchased by institutional investors including:
Vestal Point Capital LP
Balyasny Asset Management L.P.
First Light Asset Management LLC
TimesSquare Capital Management LLC
Checkpoint Capital L.P.
Millennium Management LLC
Palo Alto Investors LP
iA Global Asset Management Inc.