Stocks
DYN Dyne Therapeutics, Inc.

DYN

Dyne Therapeutics, Inc.

Company with tickers: DYN

CIK

1818794

CUSIP

26818M108

Shares Outstanding

165,313,796

Price History Institutional Holders Short Volume Short Interest Fails to Deliver SEC Filings Earnings Calls Insider Trades Congressional Trades

Date	Insider	Role	Type	Shares	Price	Value	After
2026-05-20	Posner Brian S	Director	Buy	2,500	$17.12	$42,800	18,000
2026-05-13	Friedl-Naderer Johanna	EVP & Chief Operating Officer	Sell	228	$18.36	$4,186	154,353
2026-05-13	Kerr Douglas	Chief Medical Officer	Sell	1,564	$18.36	$28,715	170,042
2026-05-13	Lucera Erick	Director	Sell	1,448	$18.36	$26,585	123,925
2026-05-13	Cox John	Director	Other	18,000	—	—	18,000
2026-05-13	Cox John	Director	Sell	3,311	$18.36	$60,790	370,834
2026-05-13	Cox John	Director	Other	18,000	—	—	18,000
2026-05-13	Cox John	Director	Other	18,000	—	—	18,000
2026-05-13	Cox John	Director	Other	18,000	—	—	18,000
2026-05-06	Rhodes Jason P	Director	Sell	21,926	$18.18	$398,615	1,549,288
2026-05-06	Rhodes Jason P	Director	Sell	428	$18.18	$7,781	7,962
2026-05-06	Rhodes Jason P	Director	Sell	43,621	$18.18	$793,030	4,883,494
2026-05-06	Rhodes Jason P	Director	Sell	17,244	$18.18	$313,496	1,136,810
2026-05-05	Rhodes Jason P	Director	Sell	60	$18.03	$1,082	8,390
2026-05-05	Rhodes Jason P	Director	Sell	2,403	$18.03	$43,326	1,154,054
2026-05-05	Rhodes Jason P	Director	Sell	6,081	$18.03	$109,640	4,927,115
2026-05-05	Rhodes Jason P	Director	Sell	3,056	$18.03	$55,100	1,571,214
2026-05-04	Rhodes Jason P	Director	Sell	6,241	$18.00	$112,338	4,933,196
2026-05-04	Rhodes Jason P	Director	Sell	61	$18.00	$1,098	8,450
2026-05-04	Rhodes Jason P	Director	Sell	2,466	$18.00	$44,388	1,156,457
2026-05-04	Rhodes Jason P	Director	Sell	3,136	$18.00	$56,448	1,574,270
2026-04-28	Rhodes Jason P	Director	Sell	52	$19.00	$988	4,939,437
2026-04-28	Rhodes Jason P	Director	Sell	47,082	$18.38	$865,367	1,158,944
2026-04-28	Rhodes Jason P	Director	Sell	26	$19.00	$494	1,577,406
2026-04-28	Rhodes Jason P	Director	Sell	1,170	$18.38	$21,505	8,512
2026-04-28	Rhodes Jason P	Director	Sell	59,870	$18.38	$1,100,411	1,577,432
2026-04-28	Rhodes Jason P	Director	Sell	1	$19.00	$19	8,511
2026-04-28	Rhodes Jason P	Director	Sell	21	$19.00	$399	1,158,923
2026-04-28	Rhodes Jason P	Director	Sell	119,115	$18.38	$2,189,334	4,939,489
2026-04-27	Rhodes Jason P	Director	Sell	90,943	$18.15	$1,650,615	5,058,604
2026-04-27	Rhodes Jason P	Director	Sell	45,709	$18.15	$829,618	1,637,302
2026-04-27	Rhodes Jason P	Director	Sell	894	$18.15	$16,226	9,682
2026-04-27	Rhodes Jason P	Director	Sell	35,947	$18.15	$652,438	1,206,026
2026-04-24	Lubner David Charles	Director	Gift	53,625	—	—	0
2026-04-24	Rhodes Jason P	Director	Sell	710	$18.48	$13,121	10,576
2026-04-24	Rhodes Jason P	Director	Sell	36,345	$18.48	$671,656	1,683,011
2026-04-24	Rhodes Jason P	Director	Sell	28,583	$18.48	$528,214	1,241,973
2026-04-24	Rhodes Jason P	Director	Sell	72,310	$18.48	$1,336,289	5,149,547
2026-04-23	Rhodes Jason P	Director	Sell	38,322	$19.19	$735,399	5,221,857
2026-04-23	Rhodes Jason P	Director	Sell	15,148	$19.19	$290,690	1,270,556
2026-04-23	Rhodes Jason P	Director	Sell	19,261	$19.19	$369,619	1,719,356
2026-04-23	Rhodes Jason P	Director	Sell	377	$19.19	$7,235	11,286
2026-04-22	Kersten Dirk	Director	Sell	2,652	$20.00	$53,049	4,196,573
2026-04-22	Rhodes Jason P	Director	Sell	1,485	$19.68	$29,225	11,663
2026-04-22	Rhodes Jason P	Director	Sell	150,942	$19.68	$2,970,539	5,260,179
2026-04-22	Rhodes Jason P	Director	Sell	59,663	$19.68	$1,174,168	1,285,704
2026-04-22	Rhodes Jason P	Director	Sell	75,866	$19.68	$1,493,043	1,738,617
2026-04-21	Kersten Dirk	Director	Sell	8,300	$20.01	$166,120	4,199,225
2026-04-21	Rhodes Jason P	Director	Sell	1,398	$19.51	$27,275	13,163
2026-04-21	Rhodes Jason P	Director	Sell	769	$20.05	$15,418	1,814,483
2026-04-21	Rhodes Jason P	Director	Sell	605	$20.05	$12,130	1,345,367
2026-04-21	Rhodes Jason P	Director	Sell	1,530	$20.05	$30,677	5,411,121
2026-04-21	Rhodes Jason P	Director	Sell	15	$20.05	$301	13,148
2026-04-21	Rhodes Jason P	Director	Sell	56,228	$19.51	$1,097,008	1,345,972
2026-04-21	Rhodes Jason P	Director	Sell	71,499	$19.51	$1,394,945	1,815,252
2026-04-21	Rhodes Jason P	Director	Sell	142,253	$19.51	$2,775,356	5,412,651
2026-04-20	Rhodes Jason P	Director	Sell	71,676	$20.06	$1,437,821	1,886,751
2026-04-20	Rhodes Jason P	Director	Sell	1,401	$20.06	$28,104	14,561
2026-04-20	Rhodes Jason P	Director	Sell	56,368	$20.06	$1,130,742	1,402,200
2026-04-20	Rhodes Jason P	Director	Sell	142,604	$20.06	$2,860,636	5,554,904
2026-04-20	Kersten Dirk	Director	Sell	125,274	$20.07	$2,513,898	4,207,525
2026-04-17	Kersten Dirk	Director	Sell	211,974	$20.29	$4,301,292	4,332,799
2026-04-16	Kersten Dirk	Director	Sell	6,657	$20.06	$133,523	4,544,773
2026-04-16	Kersten Dirk	Director	Sell	11,116	$21.10	$234,591	4,551,430
2026-04-15	Kersten Dirk	Director	Sell	81,840	$20.27	$1,659,044	4,562,546
2026-04-01	Lucera Erick	Director	Sell	5,727	$18.64	$106,751	125,373
2026-03-30	Posner Brian S	Director	Buy	2,000	$17.08	$34,160	15,500
2026-03-11	Posner Brian S	Director	Buy	2,000	$19.35	$38,700	13,500
2026-03-11	Kersten Dirk	Director	Sell	129,672	$19.52	$2,530,562	4,644,386
2026-03-10	Kersten Dirk	Director	Sell	219,758	$19.33	$4,246,823	5,055,916
2026-03-10	Kersten Dirk	Director	Sell	9,482	$18.21	$172,687	5,275,674
2026-03-10	Kersten Dirk	Director	Sell	281,858	$19.80	$5,580,817	4,774,058
2026-03-09	Kersten Dirk	Director	Sell	177,690	$17.72	$3,148,987	5,285,156
2026-03-06	Posner Brian S	Director	Buy	3,000	$15.06	$45,180	11,500
2026-03-05	Kerr Douglas	Chief Medical Officer	Sell	904	$14.90	$13,470	171,606
2026-03-05	Cox John	Director	Sell	2,732	$14.90	$40,707	374,145
2026-03-05	Cox John	Director	Other	18,000	—	—	18,000
2026-03-05	Cox John	Director	Other	18,000	—	—	18,000
2026-03-05	Cox John	Director	Other	18,000	—	—	18,000
2026-03-05	Cox John	Director	Other	18,000	—	—	18,000
2026-03-05	Friedl-Naderer Johanna	EVP & Chief Operating Officer	Sell	148	$14.90	$2,205	154,581
2026-02-12	Cox John	Director	Other	18,000	—	—	18,000
2026-02-12	Cox John	Director	Other	18,000	—	—	18,000
2026-02-12	Cox John	Director	Award	180,000	—	—	376,877
2026-02-12	Cox John	Director	Other	18,000	—	—	18,000
2026-02-12	Cox John	Director	Award	285,000	—	—	285,000
2026-02-12	Cox John	Director	Other	18,000	—	—	18,000
2026-02-12	Kerr Douglas	Chief Medical Officer	Award	130,000	—	—	130,000
2026-02-12	Kerr Douglas	Chief Medical Officer	Award	85,000	—	—	172,510
2026-02-12	Friedl-Naderer Johanna	EVP & Chief Operating Officer	Award	60,000	—	—	154,729
2026-02-12	Friedl-Naderer Johanna	EVP & Chief Operating Officer	Award	90,000	—	—	90,000
2026-02-12	Lucera Erick	Director	Award	105,000	—	—	105,000
2026-02-12	Lucera Erick	Director	Award	65,000	—	—	131,100
2025-12-22	Karnani Vikram	Director, President and CEO	Award	59,665	—	—	59,665
2025-12-22	Karnani Vikram	Director, President and CEO	Other	0	—	—	0
2025-12-05	Cox John	Director	Other	18,000	—	—	18,000
2025-12-05	Cox John	Director	Other	18,000	—	—	18,000
2025-12-05	Cox John	Director	Other	18,000	—	—	18,000
2025-12-05	Cox John	Director	Sell	2,662	$20.72	$55,157	196,877
2025-12-05	Cox John	Director	Other	18,000	—	—	18,000