Dyne Therapeutics Inc. (DYN) - Insider Trading & Ownership

Real time insider trading transaction history:

  • Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
  • Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
Time period
Insider Trading Transactions for Dyne Therapeutics Inc.
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Common stock purchase or sale:
Transaction
Date
Reported
DateTime
CompanySymbolInsider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2026-05-26
Purchase
2026-05-28
4:11 pm
Dyne Therapeutics Inc.DYNPosner Brian S
Director
2,000$18.21$36,42020,000
(Direct)
View
2026-05-20
Purchase
2026-05-22
4:10 pm
Dyne Therapeutics Inc.DYNPosner Brian S
Director
2,500$17.12$42,80018,000
(Direct)
View
2026-05-13
Sale
2026-05-14
4:05 pm
Dyne Therapeutics Inc.DYNFriedl-Naderer Johanna
Chief Commercial Officer
228$18.36$4,186154,353
(Direct)
View
2026-05-13
Sale
2026-05-14
4:04 pm
Dyne Therapeutics Inc.DYNKerr Douglas
Chief Medical Officer
1,564$18.36$28,715170,042
(Direct)
View
2026-05-13
Sale
2026-05-14
4:03 pm
Dyne Therapeutics Inc.DYNLucera Erick
Chief Financial Officer
1,448$18.36$26,585123,925
(Direct)
View
2026-05-13
Sale
2026-05-14
4:02 pm
Dyne Therapeutics Inc.DYNCox John
CEO & President
3,311$18.36$60,790442,834
(Indirect
Direct)
View
2026-05-04
Sale
2026-05-06
5:09 pm
Dyne Therapeutics Inc.DYNRhodes Jason P
Director
106,723$18.14$1,936,3411,136,810
(Indirect)
View
2026-04-28
Sale
2026-04-30
5:22 pm
Dyne Therapeutics Inc.DYNRhodes Jason P
Director
227,337$18.38$4,178,5161,158,923
(Indirect)
View
2026-04-23
Sale
2026-04-27
6:15 pm
Dyne Therapeutics Inc.DYNRhodes Jason P
Director
384,549$18.47$7,101,1201,206,026
(Indirect)
View
2026-04-21
Sale
2026-04-23
4:15 pm
Dyne Therapeutics Inc.DYNKersten Dirk
Director
10,952$20.01$219,1704,196,573
(Indirect)
View
2026-04-20
Sale
2026-04-22
6:27 pm
Dyne Therapeutics Inc.DYNRhodes Jason P
Director
834,302$19.75$16,477,3881,285,704
(Indirect)
View
2026-04-17
Sale
2026-04-21
4:15 pm
Dyne Therapeutics Inc.DYNKersten Dirk
Director
337,248$20.21$6,815,1904,207,525
(Indirect)
View
2026-04-15
Sale
2026-04-17
4:05 pm
Dyne Therapeutics Inc.DYNKersten Dirk
Director
99,613$20.35$2,027,1584,544,773
(Indirect)
View
2026-04-01
Sale
2026-04-03
4:10 pm
Dyne Therapeutics Inc.DYNLucera Erick
Chief Financial Officer
5,727$18.64$106,751125,373
(Direct)
View
2026-03-30
Purchase
2026-04-01
4:27 pm
Dyne Therapeutics Inc.DYNPosner Brian S
Director
2,000$17.08$34,16015,500
(Direct)
View
2026-03-11
Purchase
2026-03-13
4:46 pm
Dyne Therapeutics Inc.DYNPosner Brian S
Director
2,000$19.35$38,70013,500
(Direct)
View
2026-03-11
Sale
2026-03-13
4:35 pm
Dyne Therapeutics Inc.DYNKersten Dirk
Director
129,672$19.52$2,530,5624,644,386
(Indirect)
View
2026-03-09
Sale
2026-03-11
5:27 pm
Dyne Therapeutics Inc.DYNKersten Dirk
Director
688,788$19.09$13,149,3144,774,058
(Indirect)
View
2026-03-06
Purchase
2026-03-10
5:33 pm
Dyne Therapeutics Inc.DYNPosner Brian S
Director
3,000$15.06$45,18011,500
(Direct)
View
2026-03-05
Sale
2026-03-06
4:10 pm
Dyne Therapeutics Inc.DYNFriedl-Naderer Johanna
Chief Commercial Officer
148$14.9$2,205154,581
(Direct)
View
2026-03-05
Sale
2026-03-06
4:09 pm
Dyne Therapeutics Inc.DYNKerr Douglas
Chief Medical Officer
904$14.9$13,470171,606
(Direct)
View
2026-03-05
Sale
2026-03-06
4:08 pm
Dyne Therapeutics Inc.DYNCox John
CEO & President
2,732$14.9$40,707446,145
(Indirect
Direct)
View
2025-12-05
Sale
2025-12-05
4:11 pm
Dyne Therapeutics Inc.DYNCox John
CEO & President
2,662$20.72$55,157268,877
(Indirect
Direct)
View
2025-12-05
Sale
2025-12-05
4:09 pm
Dyne Therapeutics Inc.DYNKerr Douglas
Chief Medical Officer
880$20.72$18,23487,510
(Direct)
View
2025-12-05
Sale
2025-12-05
4:08 pm
Dyne Therapeutics Inc.DYNFriedl-Naderer Johanna
Chief Commercial Officer
144$20.72$2,98494,729
(Direct)
View
2025-09-05
Sale
2025-09-09
4:31 pm
Dyne Therapeutics Inc.DYNCox John
CEO & President
2,640$13.41$35,402271,539
(Indirect
Direct)
View
2025-09-04
Sale
2025-09-08
4:06 pm
Dyne Therapeutics Inc.DYNFriedl-Naderer Johanna
Chief Commercial Officer
1,038$13.29$13,79494,873
(Direct)
View
2025-09-04
Sale
2025-09-08
4:03 pm
Dyne Therapeutics Inc.DYNKerr Douglas
Chief Medical Officer
4,425$13.3$58,84288,390
(Direct)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
CompanySymnbolInsider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2026-04-24
Gift
2026-04-28
4:56 pm
N/A
N/A
Dyne Therapeutics Inc.DYNLubner David Charles
Director
53,625$00
(Direct)
View
2026-02-12
Option Award
2026-02-17
5:11 pm
N/A
2036-02-11
Dyne Therapeutics Inc.DYNCox John
CEO & President
465,000$0733,877
(Direct)
View
2026-02-12
Option Award
2026-02-17
5:10 pm
N/A
2036-02-11
Dyne Therapeutics Inc.DYNKerr Douglas
Chief Medical Officer
215,000$0302,510
(Direct)
View
2026-02-12
Option Award
2026-02-17
5:09 pm
N/A
2036-02-11
Dyne Therapeutics Inc.DYNFriedl-Naderer Johanna
Chief Commercial Officer
150,000$0244,729
(Direct)
View
2026-02-12
Option Award
2026-02-17
5:08 pm
N/A
2036-02-11
Dyne Therapeutics Inc.DYNLucera Erick
Chief Financial Officer
170,000$0236,100
(Direct)
View
2025-12-22
Option Award
2025-12-23
4:08 pm
N/A
2035-12-21
Dyne Therapeutics Inc.DYNKarnani Vikram
Director
59,665$059,665
(Direct)
View
2025-10-01
Option Award
2025-10-02
4:18 pm
N/A
2035-09-30
Dyne Therapeutics Inc.DYNPosner Brian S
Director
70,000$070,000
(Direct)
View

Ownership
2025-10-02
4:13 pm
N/A
N/A
Dyne Therapeutics Inc.DYNPosner Brian S
Director
0$08,500
(Direct)
View
2025-07-16
Option Award
2025-07-18
5:21 pm
N/A
2035-07-15
Dyne Therapeutics Inc.DYNFriedl-Naderer Johanna
Chief Commercial Officer
51,255$051,255
(Direct)
View
2025-07-16
Option Award
2025-07-18
5:20 pm
N/A
2035-07-15
Dyne Therapeutics Inc.DYNKerr Douglas
Chief Medical Officer
65,110$065,110
(Direct)
View
2025-07-16
Option Award
2025-07-18
5:19 pm
N/A
2035-07-15
Dyne Therapeutics Inc.DYNCox John
CEO & President
197,285$0197,285
(Direct)
View
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