DYN Insider Trading

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Insider Trading History
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About

Insider Ownership Percentage: 14.14%

Insider Buying (Last 12 Months): $1,057,280.00

Insider Selling (Last 12 Months): $11,648,534.47

Dyne Therapeutics Insider Trading History Chart

Dyne Therapeutics Share Price & Price History

^$12.24

▲ +0.48 (4.08%)

As of 05/29/2025 05:00 PM ET

Days: 30 | 90 | 365

Dyne Therapeutics Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
3/13/2025	Johanna Friedl-Naderer	Insider	Sell	143	$12.12	$1,733.16	96,057
3/11/2025	Oxana Beskrovnaya	Insider	Sell	2,153	$11.38	$24,501.14	195,840
3/11/2025	Richard William Scalzo	SVP	Sell	1,343	$11.38	$15,283.34	122,330
2/18/2025	Oxana Beskrovnaya	Insider	Sell	2,598	$13.95	$36,242.10	199,087
12/11/2024	Oxana Beskrovnaya	Insider	Sell	2,334	$28.12	$65,632.08	201,685
12/11/2024	Richard William Scalzo	SVP	Sell	1,455	$28.12	$40,914.60	127,078
11/18/2024	Carlo Incerti	Director	Sell	16,500	$28.73	$474,045.00
11/14/2024	Jason P Rhodes	Director	Sell	782	$33.10	$25,884.20	15,962
10/16/2024	Dirk Kersten	Director	Sell	23,671	$35.35	$836,769.85	99,652
9/25/2024	Dirk Kersten	Director	Sell	2,357	$35.06	$82,636.42	190,939
9/23/2024	Dirk Kersten	Director	Sell	40,831	$35.32	$1,442,150.92	193,296
9/20/2024	Dirk Kersten	Director	Sell	79,411	$36.45	$2,894,530.95	234,127
9/18/2024	Oxana Beskrovnaya	Insider	Sell	2,339	$34.55	$80,812.45	140,375
9/18/2024	Richard William Scalzo	SVP	Sell	1,390	$34.55	$48,024.50	98,568
9/18/2024	Susanna High	COO	Sell	8,976	$34.41	$308,864.16	131,636
9/4/2024	John Cox	CEO	Buy	32,000	$33.04	$1,057,280.00	8,000
6/24/2024	Susanna High	COO	Sell	10,163	$35.33	$359,058.79	148,792
6/21/2024	Susanna High	COO	Sell	29,787	$35.01	$1,042,842.87	148,792
6/12/2024	Susanna High	COO	Sell	40,000	$33.36	$1,334,400.00	148,792
6/11/2024	Oxana Beskrovnaya	Insider	Sell	2,136	$31.34	$66,942.24	147,511
6/10/2024	Richard William Scalzo	SVP	Sell	1,590	$30.23	$48,065.70	115,105
6/10/2024	Susanna High	COO	Sell	80,000	$30.24	$2,419,200.00	154,062
5/20/2024	Oxana Beskrovnaya	Insider	Sell	30,426	$32.96	$1,002,840.96	149,647
5/16/2024	Oxana Beskrovnaya	Insider	Sell	2,705	$28.27	$76,470.35	149,647
5/16/2024	Richard William Scalzo	SVP	Sell	2,588	$28.27	$73,162.76	116,695
5/16/2024	Susanna High	COO	Sell	2,738	$28.27	$77,403.26	154,062
3/11/2024	Joshua T Brumm	CEO	Sell	66,387	$25.67	$1,704,154.29	537,998
3/11/2024	Richard William Scalzo	SVP	Sell	2,672	$25.28	$67,548.16	119,283
3/11/2024	Susanna High	COO	Sell	2,292	$25.70	$58,904.40	156,800
3/11/2024	Wildon Farwell	Insider	Sell	1,585	$25.70	$40,734.50	151,590
3/7/2024	Joshua T Brumm	CEO	Sell	9,086	$25.85	$234,873.10	554,385
3/7/2024	Oxana Beskrovnaya	Insider	Sell	2,373	$25.85	$61,342.05	154,433
3/7/2024	Richard William Scalzo	SVP	Sell	2,273	$25.85	$58,757.05	121,955
3/7/2024	Susanna High	COO	Sell	1,591	$25.85	$41,127.35	186,291
2/29/2024	Jonathan Mcneill	Insider	Sell	4,268	$27.50	$117,370.00	143,618
2/29/2024	Joshua T Brumm	CEO	Sell	5,520	$27.50	$151,800.00	563,471
2/29/2024	Richard William Scalzo	SVP	Sell	3,429	$27.50	$94,297.50	124,228
2/28/2024	Jason P Rhodes	Director	Sell	190,920	$24.84	$4,742,452.80	864,487
2/28/2024	Venture Fund Xi L.P. Atlas	Major Shareholder	Sell	154,674	$24.84	$3,842,102.16	5,698,091
2/26/2024	Jason P Rhodes	Director	Sell	248,219	$23.72	$5,887,754.68	903,527
2/26/2024	Venture Fund Xi L.P. Atlas	Major Shareholder	Sell	201,095	$23.72	$4,769,973.40	6,151,467
2/23/2024	Venture Fund Xi L.P. Atlas	Major Shareholder	Sell	159,542	$22.70	$3,621,603.40	6,352,562
2/22/2024	Jason P Rhodes	Director	Sell	119,360	$22.66	$2,704,697.60	6,512,104
2/21/2024	Venture Fund Xi L.P. Atlas	Major Shareholder	Sell	184,501	$22.57	$4,164,187.57	6,631,464
2/20/2024	Jason P Rhodes	Director	Sell	169,539	$22.72	$3,851,926.08	6,815,965
2/16/2024	Venture Fund Xi L.P. Atlas	Major Shareholder	Sell	162,707	$23.14	$3,765,039.98	6,985,504
2/15/2024	Jason P Rhodes	Director	Sell	177,906	$23.89	$4,250,174.34	7,148,211
2/12/2024	Wildon Farwell	Insider	Sell	5,493	$25.07	$137,709.51	163,503
1/26/2024	Richard William Scalzo	SVP	Sell	13,000	$24.34	$316,420.00	124,228
1/26/2024	Wildon Farwell	Insider	Sell	100	$25.00	$2,500.00	168,996
1/9/2024	Dirk Kersten	Director	Buy	1,714,285	$17.50	$29,999,987.50	6,416,793
1/4/2024	Joshua T Brumm	CEO	Sell	218,536	$18.51	$4,045,101.36	584,971
1/3/2024	Oxana Beskrovnaya	Insider	Sell	45,326	$18.98	$860,287.48	176,585
1/3/2024	Richard William Scalzo	SVP	Sell	13,000	$18.81	$244,530.00	124,228
12/14/2023	Richard William Scalzo	Insider	Sell	2,376	$12.02	$28,559.52	124,228
12/11/2023	Richard William Scalzo	Insider	Sell	1,380	$10.72	$14,793.60	126,604
12/11/2023	Susanna High	COO	Sell	1,616	$10.72	$17,323.52	187,882
12/6/2023	Richard William Scalzo	Insider	Sell	1,872	$12.01	$22,482.72	127,984
12/4/2023	Richard William Scalzo	Insider	Sell	681	$12.01	$8,178.81	129,856
11/2/2023	Susanna High	COO	Sell	9,939	$7.40	$73,548.60	94,605
9/18/2023	Richard William Scalzo	Insider	Sell	1,290	$9.41	$12,138.90	40,795
9/18/2023	Susanna High	COO	Sell	2,672	$9.41	$25,143.52	104,544
9/12/2023	Susanna High	COO	Sell	1,635	$10.41	$17,020.35	107,216
9/12/2023	Wildon Farwell	Insider	Sell	1,707	$10.41	$17,769.87	89,250
6/15/2023	Richard William Scalzo	Insider	Sell	10,000	$12.03	$120,300.00	43,482
6/13/2023	Susanna High	COO	Sell	1,625	$12.43	$20,198.75	108,851
6/12/2023	Joshua T Brumm	Insider	Sell	187,748	$12.61	$2,367,502.28	253,383
6/9/2023	Joshua T Brumm	Insider	Sell	76,582	$13.34	$1,021,603.88	269,771
3/14/2023	Richard William Scalzo	Insider	Sell	1,311	$13.33	$17,475.63	54,872
3/14/2023	Susanna High	COO	Sell	1,559	$13.33	$20,781.47	110,476
1/18/2023	Jonathan Mcneill	Insider	Sell	10,000	$14.03	$140,300.00	67,600
1/9/2023	Jonathan Mcneill	Insider	Sell	30,150	$11.57	$348,835.50	67,600
12/12/2022	Jason P Rhodes	Director	Buy	934,581	$10.70	$10,000,016.70	934,581
12/12/2022	Richard William Scalzo	Insider	Sell	312	$10.87	$3,391.44	56,183
12/12/2022	Susanna High	COO	Sell	751	$10.87	$8,163.37	112,035
10/10/2022	Joshua T Brumm	Insider	Sell	195,800	$12.46	$2,439,668.00	204,623
10/7/2022	Joshua T Brumm	Insider	Sell	14,200	$13.37	$189,854.00	204,623

See Full Table

SEC Filings (Institutional Ownership Changes) for Dyne Therapeutics (NASDAQ:DYN)

96.68% of Dyne Therapeutics 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

Dyne Therapeutics Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
5/29/2025	Rhumbline Advisers	133,627	$1.40M	0.0%	+4.2%	0.118%
5/19/2025	Jane Street Group LLC	117,006	$1.22M	0.0%	-26.5%	0.103%
5/19/2025	Optimize Financial Inc	14,761	$0.15M	0.1%	N/A	0.013%
5/16/2025	Exome Asset Management LLC	258,391	$2.70M	2.3%	N/A	0.227%
5/16/2025	Caxton Associates LLP	14,972	$0.16M	0.0%	N/A	0.013%
5/16/2025	Voleon Capital Management LP	59,673	$0.62M	0.0%	N/A	0.052%
5/16/2025	Goldman Sachs Group Inc.	994,886	$10.41M	0.0%	+58.2%	0.875%
5/16/2025	MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	56,466	$0.60M	0.0%	+5.4%	0.050%
5/16/2025	AQR Capital Management LLC	23,560	$0.25M	0.0%	N/A	0.021%
5/16/2025	ADAR1 Capital Management LLC	30,099	$0.32M	0.1%	N/A	0.026%
5/15/2025	Vestal Point Capital LP	1,800,000	$18.83M	1.3%	N/A	1.584%
5/15/2025	RA Capital Management L.P.	9,714,392	$101.61M	1.7%	+52.2%	8.549%
5/15/2025	Frazier Life Sciences Management L.P.	1,443,341	$15.10M	0.7%	N/A	1.270%
5/15/2025	Palo Alto Investors LP	333,391	$3.49M	0.7%	N/A	0.293%
5/15/2025	PDT Partners LLC	224,176	$2.35M	0.2%	N/A	0.197%
5/15/2025	Braidwell LP	3,621,344	$37.88M	1.3%	+431.6%	3.187%
5/15/2025	Nantahala Capital Management LLC	345,062	$3.61M	0.1%	N/A	0.304%
5/15/2025	Cubist Systematic Strategies LLC	115,534	$1.21M	0.0%	-3.0%	0.102%
5/15/2025	Graham Capital Management L.P.	62,269	$0.65M	0.0%	N/A	0.055%
5/15/2025	Armistice Capital LLC	2,768,000	$28.95M	0.4%	+187.0%	2.436%
5/15/2025	Quarry LP	4,500	$47K	0.0%	N/A	0.004%
5/15/2025	Siren L.L.C.	2,717,987	$28.43M	1.6%	+101.7%	2.391%
5/15/2025	Trexquant Investment LP	334,443	$3.50M	0.0%	+166.7%	0.294%
5/14/2025	Rafferty Asset Management LLC	147,353	$1.54M	0.0%	-12.0%	0.130%
5/14/2025	Comerica Bank	41,176	$0.43M	0.0%	+16.3%	0.036%
5/14/2025	Walleye Capital LLC	154,634	$1.62M	0.0%	N/A	0.136%
5/14/2025	Atlas Venture Life Science Advisors LLC	9,130,465	$95.51M	18.3%	+13.9%	8.035%
5/14/2025	AlphaQuest LLC	16,332	$0.17M	0.0%	N/A	0.014%
5/14/2025	Candriam S.C.A.	463,368	$4.85M	0.0%	+15.4%	0.408%
5/14/2025	T. Rowe Price Investment Management Inc.	1,167,975	$12.22M	0.0%	N/A	1.028%
5/14/2025	Hsbc Holdings PLC	28,396	$0.29M	0.0%	+112.6%	0.025%
5/14/2025	Wellington Management Group LLP	36,322	$0.38M	0.0%	-5.8%	0.032%
5/13/2025	Algert Global LLC	476,007	$4.98M	0.1%	+488.2%	0.419%
5/13/2025	Aberdeen Group plc	314,586	$3.29M	0.0%	+1,119.2%	0.277%
5/13/2025	Fox Run Management L.L.C.	17,088	$0.18M	0.0%	N/A	0.015%
5/13/2025	E Fund Management Co. Ltd.	13,771	$0.14M	0.0%	+16.2%	0.012%
5/13/2025	Caitong International Asset Management Co. Ltd	3,092	$32K	0.0%	+378.6%	0.003%
5/13/2025	Russell Investments Group Ltd.	67,877	$0.71M	0.0%	-41.9%	0.060%
5/12/2025	Nuveen LLC	223,215	$2.34M	0.0%	N/A	0.196%
5/12/2025	Invesco Ltd.	66,293	$0.69M	0.0%	+64.4%	0.058%
5/12/2025	Swiss National Bank	118,300	$1.24M	0.0%	+8.9%	0.104%
5/9/2025	Deutsche Bank AG	317,664	$3.32M	0.0%	+347.7%	0.280%
5/9/2025	Charles Schwab Investment Management Inc.	654,131	$6.84M	0.0%	-2.0%	0.576%
5/9/2025	Vanguard Group Inc.	7,406,344	$77.47M	0.0%	+10.5%	6.518%
5/9/2025	Privium Fund Management B.V.	27,566	$0.29M	0.1%	+35.4%	0.024%
5/8/2025	Aegis Wealth Management LLC	33,228	$0.35M	0.2%	N/A	0.029%
5/8/2025	XTX Topco Ltd	31,574	$0.33M	0.0%	N/A	0.028%
5/8/2025	GSA Capital Partners LLP	98,597	$1.03M	0.1%	N/A	0.087%
5/7/2025	Zurcher Kantonalbank Zurich Cantonalbank	19,247	$0.20M	0.0%	+22.2%	0.017%
5/7/2025	TD Asset Management Inc	21,656	$0.23M	0.0%	-69.9%	0.019%
5/6/2025	Y Intercept Hong Kong Ltd	80,665	$0.84M	0.1%	+725.8%	0.071%
5/2/2025	Victory Capital Management Inc.	59,411	$0.62M	0.0%	-3.2%	0.052%
5/1/2025	Arizona State Retirement System	17,501	$0.18M	0.0%	+9.2%	0.015%
4/30/2025	China Universal Asset Management Co. Ltd.	22,690	$0.24M	0.0%	+5.2%	0.020%
4/29/2025	Bank of New York Mellon Corp	232,626	$2.43M	0.0%	-0.9%	0.205%
4/15/2025	SG Americas Securities LLC	430,051	$4.50M	0.0%	+2,159.1%	0.380%
4/8/2025	Rhumbline Advisers	133,627	$1.40M	0.0%	+4.2%	0.118%
4/7/2025	GAMMA Investing LLC	2,625	$0.25M	0.0%	+837.5%	0.002%
3/24/2025	Wellington Management Group LLP	38,550	$0.91M	0.0%	-7.5%	0.034%
2/19/2025	GF Fund Management CO. LTD.	2,137	$50K	0.0%	N/A	0.002%
2/18/2025	Neo Ivy Capital Management	8,715	$0.21M	0.0%	N/A	0.009%
2/17/2025	UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	143,363	$3.38M	0.0%	+6.7%	0.141%
2/17/2025	Voloridge Investment Management LLC	119,015	$2.80M	0.0%	N/A	0.117%
2/17/2025	Woodline Partners LP	573,957	$13.52M	0.1%	-41.3%	0.564%
2/17/2025	Squarepoint Ops LLC	51,616	$1.22M	0.0%	-38.0%	0.051%
2/17/2025	Two Sigma Advisers LP	76,100	$1.79M	0.0%	+25.4%	0.075%
2/17/2025	Sphera Funds Management LTD.	236,262	$5.57M	1.0%	+318.1%	0.232%
2/17/2025	RTW Investments LP	5,218,641	$122.95M	1.9%	-23.5%	5.128%
2/17/2025	Rafferty Asset Management LLC	167,482	$3.95M	0.0%	+1.5%	0.165%
2/17/2025	Point72 Asset Management L.P.	924,681	$21.79M	0.0%	+802.3%	0.909%
2/17/2025	ProShare Advisors LLC	28,044	$0.66M	0.0%	+32.4%	0.028%
2/17/2025	Man Group plc	746,463	$17.59M	0.0%	+3.9%	0.733%
2/17/2025	Nuveen Asset Management LLC	266,404	$6.28M	0.0%	-3.6%	0.262%
2/17/2025	Orbimed Advisors LLC	1,227,080	$28.91M	0.6%	+73.2%	1.206%
2/17/2025	Octagon Capital Advisors LP	668,000	$15.74M	2.6%	+154.3%	0.656%
2/17/2025	Millennium Management LLC	37,536	$0.88M	0.0%	+526.5%	0.037%
2/17/2025	MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	53,580	$1.26M	0.0%	+5.7%	0.053%
2/17/2025	Integral Health Asset Management LLC	150,000	$3.53M	0.3%	N/A	0.147%
2/17/2025	Janus Henderson Group PLC	7,379,309	$173.81M	0.1%	+8.3%	7.251%
2/17/2025	Jefferies Financial Group Inc.	1,800,000	$42.41M	0.2%	N/A	1.769%
2/17/2025	Ensign Peak Advisors Inc	315,602	$7.44M	0.0%	+0.9%	0.310%
2/17/2025	Farallon Capital Management LLC	229,121	$5.40M	0.0%	-46.5%	0.225%
2/17/2025	Fcpm Iii Services B.V.	5,462,846	$128.71M	21.8%	-8.3%	5.368%
2/17/2025	FORA Capital LLC	9,235	$0.22M	0.0%	-49.2%	0.009%
2/17/2025	Frontier Capital Management Co. LLC	298,052	$7.02M	0.1%	N/A	0.293%
2/17/2025	Deutsche Bank AG	70,961	$1.67M	0.0%	+51.4%	0.070%
2/17/2025	D. E. Shaw & Co. Inc.	133,772	$3.15M	0.0%	+83.1%	0.131%
2/17/2025	Deep Track Capital LP	2,000,000	$47.12M	1.8%	-39.1%	1.965%
2/17/2025	Crestline Management LP	184,818	$4.35M	0.1%	+57.0%	0.182%
2/17/2025	Cubist Systematic Strategies LLC	119,065	$2.81M	0.0%	N/A	0.117%
2/17/2025	Braidwell LP	681,182	$16.05M	0.5%	N/A	0.669%
2/17/2025	Brevan Howard Capital Management LP	28,781	$0.68M	0.0%	N/A	0.028%
2/17/2025	Balyasny Asset Management L.P.	169,306	$3.99M	0.0%	-30.9%	0.166%
2/17/2025	Bank of America Corp DE	122,641	$2.89M	0.0%	-58.0%	0.121%
2/17/2025	BNP Paribas Financial Markets	66,998	$1.58M	0.0%	N/A	0.066%
2/17/2025	Ameriprise Financial Inc.	219,635	$5.18M	0.0%	+3.2%	0.216%
2/17/2025	Algert Global LLC	80,923	$1.91M	0.0%	-14.8%	0.080%
2/17/2025	ArrowMark Colorado Holdings LLC	932,231	$21.96M	0.3%	+3.6%	0.916%
2/14/2025	Comerica Bank	35,409	$0.83M	0.0%	+20,133.7%	0.035%
2/14/2025	First Light Asset Management LLC	420,431	$9.91M	0.9%	-66.6%	0.413%

Data available starting January 2016

See Full Table

Dyne Therapeutics, Inc., a clinical-stage muscle disease company, operates as a biotechnology company that focuses on advancing therapeutics for genetically driven muscle diseases in the United States. It is developing a portfolio of muscle disease therapeutics, including programs in myotonic dystrophy type 1; duchenne muscular dystrophy; and facioscapulohumeral dystrophy, as well as rare skeletal muscle, and cardiac and metabolic muscle diseases using its FORCE platform that delivers disease-modifying therapeutics. Dyne Therapeutics, Inc. was incorporated in 2017 and is headquartered in Waltham, Massachusetts.

Today's Range

Now: $12.24

$11.67

$12.34

50 Day Range

MA: $10.29

$6.81

$12.56

52 Week Range

Now: $12.24

$6.36

$47.45

Volume

1,579,091 shs

Average Volume

1,633,518 shs

Market Capitalization

$1.39 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.19

Who are the company insiders with the largest holdings of Dyne Therapeutics?: Dyne Therapeutics' top insider shareholders include:
Jason P Rhodes (Director)
Venture Fund Xi LP Atlas (Major Shareholder)
Dirk Kersten (Director)
Joshua T Brumm (CEO)
Joshua T Brumm (Insider)
Oxana Beskrovnaya (Insider)
Susanna Gatti High (COO)
Wildon Farwell (Insider)
Jonathan Mcneill (Insider)
Richard William Scalzo (Insider)
Richard William Scalzo (SVP)
Johanna Friedl-Naderer (Insider)
John Cox (CEO)
Carlo Incerti (Director)
Learn More about top insider investors at Dyne Therapeutics.
Who are the major institutional investors of Dyne Therapeutics?: Dyne Therapeutics' top institutional investors include:
RA Capital Management L.P. — 8.55%
Atlas Venture Life Science Advisors LLC — 8.03%
Vanguard Group Inc. — 6.52%
Braidwell LP — 3.19%
Armistice Capital LLC — 2.44%
Siren L.L.C. — 2.39%
Learn More about top institutional investors of Dyne Therapeutics stock.
Which institutional investors are selling Dyne Therapeutics stock?: During the last quarter, DYN stock was sold by these institutional investors:
TD Asset Management Inc
Russell Investments Group Ltd.
Jane Street Group LLC
Rafferty Asset Management LLC
Charles Schwab Investment Management Inc.
Cubist Systematic Strategies LLC
Wellington Management Group LLP
Bank of New York Mellon Corp
Within the previous year, company insiders that have sold Dyne Therapeutics company stock include:
Jason P Rhodes (Director)
Venture Fund Xi LP Atlas (Major Shareholder)
Dirk Kersten (Director)
Joshua T Brumm (CEO)
Joshua T Brumm (Insider)
Oxana Beskrovnaya (Insider)
Susanna Gatti High (COO)
Learn More investors selling Dyne Therapeutics stock.
Which institutional investors are buying Dyne Therapeutics stock?: During the last quarter, DYN stock was acquired by institutional investors including:
RA Capital Management L.P.
Braidwell LP
Armistice Capital LLC
Vestal Point Capital LP
Frazier Life Sciences Management L.P.
Siren L.L.C.
T. Rowe Price Investment Management Inc.
Atlas Venture Life Science Advisors LLC
During the last year, these company insiders have bought Dyne Therapeutics stock:
Jason P Rhodes (Director)
Venture Fund Xi LP Atlas (Major Shareholder)
Learn More investors buying Dyne Therapeutics stock.