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Dyne Therapeutics, Inc.

DYN Mostly scheduled

CIK 0001818794 #1391 in the set updated 17 Sep 2026

Bought (12 mo)

$274.84K

out of their own pocket, the only kind of buying there is

Sold (12 mo)

$168.62M

$168.57M on a plan · $0.00 straight out of an exercise

Sold at will

$48.11K

1 of 122 sales

Net

−$168.34M

+$226.73K against sales at will

By person

12 insiders · 129 transactions

11.2×

John G. Cox holds 11.2 times base salary in stock. $8.11M of shares against $721.00K in salary for 2025.

Salary from the company's own proxy. The shares are what John G. Cox last reported holding, valued at $18.88, the price Common Stock was last bought or sold at on the open market here, on 8 Sep 2026.

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

Rhodes Jason P

Director

—

$129.10M (79) scheduled

−$129.10M

428,946

0.2297%

$8.10M

−91.4%

Kersten Dirk

Director

—

$38.57M (19) scheduled

−$38.57M

3,586,796

1.92%

$67.72M

−42.1%

Cox John

CEO & President

—

$443.69K (6) scheduled

−$443.69K

429,507

0.2300%

$8.11M

+457.8%

Posner Brian S

Director

$274.84K (7)

—

+$274.84K

24,500

0.0131%

$462.56K

+188.2%

Kerr Douglas

Chief Medical Officer

—

$233.11K (7) scheduled

−$233.11K

162,564

0.0871%

$3.07M

+242.2%

Lucera Erick

Chief Financial Officer

—

$228.68K (4) scheduled

−$228.68K

119,766

0.0641%

$2.26M

—

Friedl-Naderer Johanna

Chief Commercial Officer

—

$43.38K (7) scheduled

−$43.38K

152,897

0.0819%

$2.89M

+161.8%

Beskrovnaya Oxana

Chief Scientific Officer

—

195,840

0.1049%

$3.70M

+37.2%

HIGH SUSANNA GATTI

Chief Operating Officer

—

131,636

0.0705%

$2.49M

−6.4%

Scalzo Richard William

SVP, Head of Finance & Admin.

—

122,330

0.0655%

$2.31M

+22.4%

Lubner David Charles

Director

—

0.0000%

$0.00

−100.0%

Incerti Carlo

Director

—

0.0000%

$0.00

—

Individual transactions

Insider

Date

Role

Action

Price

Amount

Posner Brian S

8 Jun 2026

Director

Buy

2,000

$16.94

$33.88K

Posner Brian S

3 Jun 2026

Director

Buy

2,500

$17.48

$43.70K

Posner Brian S

26 May 2026

Director

Buy

2,000

$18.21

$36.42K

Posner Brian S

20 May 2026

Director

Buy

2,500

$17.12

$42.80K

Posner Brian S

30 Mar 2026

Director

Buy

2,000

$17.08

$34.16K

Posner Brian S

11 Mar 2026

Director

Buy

2,000

$19.35

$38.70K

Posner Brian S

6 Mar 2026

Director

Buy

3,000

$15.06

$45.18K

Show all 129 transactions →

Dyne Therapeutics, Inc.

By person

Individual transactions

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