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
2026-04-01
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
2025-07-14
Purchase
2025-07-15
5:11 pm
Dyne Therapeutics Inc.DYNCox John
CEO & President
100,000$9.11$911,000274,179
(Indirect
Direct)
View
2025-06-05
Sale
2025-06-06
4:07 pm
Dyne Therapeutics Inc.DYNCox John
CEO & President
4,060$13.35$54,201174,179
(Indirect
Direct)
View
2025-06-05
Sale
2025-06-06
4:05 pm
Dyne Therapeutics Inc.DYNKerr Douglas
Chief Medical Officer
1,342$13.35$17,91692,815
(Direct)
View
2025-06-05
Sale
2025-06-06
4:03 pm
Dyne Therapeutics Inc.DYNFriedl-Naderer Johanna
Chief Commercial Officer
146$13.35$1,94995,911
(Direct)
View
2025-03-13
Sale
2025-03-13
4:13 pm
Dyne Therapeutics Inc.DYNFriedl-Naderer Johanna
Chief Commercial Officer
143$12.12$1,73396,057
(Direct)
View
2025-03-11
Sale
2025-03-13
4:08 pm
Dyne Therapeutics Inc.DYNScalzo Richard William
SVP, Head of Finance & Admin.
1,343$11.38$15,283122,330
(Direct)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
CompanySymnbolInsider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
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
2025-07-15
Gift
2025-07-15
5:11 pm
N/A
N/A
Dyne Therapeutics Inc.DYNCox John
CEO & President
10,000$0274,179
(Direct)
View
2025-05-30
Option Award
2025-06-03
9:41 pm
N/A
2035-05-29
Dyne Therapeutics Inc.DYNHURWITZ EDWARD
Director
35,000$035,000
(Direct)
View
2025-05-30
Option Award
2025-06-03
9:40 pm
N/A
2035-05-29
Dyne Therapeutics Inc.DYNLubner David Charles
Director
35,000$035,000
(Direct)
View
2025-05-30
Option Award
2025-06-03
9:39 pm
N/A
2035-05-29
Dyne Therapeutics Inc.DYNRhodes Jason P
Director
35,000$035,000
(Direct)
View
2025-05-30
Option Award
2025-06-03
9:38 pm
N/A
2035-05-29
Dyne Therapeutics Inc.DYNKersten Dirk
Director
35,000$035,000
(Direct)
View
2025-05-30
Option Award
2025-06-03
9:38 pm
N/A
2035-05-29
Dyne Therapeutics Inc.DYNIncerti Carlo
Director
35,000$035,000
(Direct)
View
2025-05-30
Option Award
2025-06-03
9:37 pm
N/A
2035-05-29
Dyne Therapeutics Inc.DYNStehman-Breen Catherine
Director
35,000$035,000
(Direct)
View
2025-03-31
Option Award
2025-04-01
4:33 pm
N/A
2035-03-30
Dyne Therapeutics Inc.DYNLucera Erick
Chief Financial Officer
280,600$0280,600
(Direct)
View
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