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Design Therapeutics, Inc.

DSGN Net buying

CIK 0001807120 #2568 in the set updated 22 Sep 2026

Bought (120 mo)

$62.19M

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

Sold (120 mo)

$17.71M

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

Sold at will

$17.71M

8 of 8 sales

Net

+$44.48M

+$44.48M against sales at will

By person

14 insiders · 35 transactions

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

Cormorant Asset Management, LP entity

Former 10% Owner

$15.00M (1)

—

+$15.00M

5,114,844

8.17%

$26.85M

—

William Arsani

Director

$20.47M (5)

$6.42M (3)

+$14.05M

6,982,629

11.16%

$36.66M

+109.8%

George Simeon

Director

$12.57M (4)

—

+$12.57M

12,152,952

19.42%

$63.80M

+116.0%

SR One Capital Fund I Aggregator LP entity

10% owner

$12.57M (4)

—

+$12.57M

6,526,476

10.43%

$34.26M

—

Xu Stella

Director

$200.00K (1)

$11.27M (4)

−$11.07M

13,581,610

21.70%

$71.30M

+43.8%

Shah Pratik

President, CEO and Chairperson

$500.00K (1)

—

+$500.00K

154,923

0.2476%

$813.35K

+519.7%

Thacker Justin

Vice President, Finance

$350.00K (1)

—

+$350.00K

17,500

0.0280%

$91.88K

—

LAPPE RODNEY W

Director

$268.71K (3)

—

+$268.71K

133,024

0.2126%

$698.38K

+44.6%

Schmid John P.

Director

$99.74K (2)

—

+$99.74K

26,965

0.0431%

$141.57K

—

Siffert Joao MD

President and CEO

$62.50K (2)

—

+$62.50K

132,619

0.2119%

$696.25K

+6.0%

Jeffries Sean

Chief Operating Officer

$61.00K (1)

—

+$61.00K

3,050

0.0049%

$16.01K

—

Berger Heather A.

Director

$4.87K (1)

—

+$4.87K

1,300

0.0021%

$6.83K

—

Prasad Deepa

Director

$27.67K (1)

$23.86K (1)

+$3.81K

20,000

0.0320%

$105.00K

—

Quan Venture Fund II, L.P. entity

10% owner

—

4,720,830

7.54%

$24.78M

—

Individual transactions

Nothing of that kind in this period.

What was left out

Form 4 filings counted 92

Amendments (4/A) skipped 1

Filings about a different issuer 0

Unreadable filings 0

Joint filings 3

Sales on a Rule 10b5-1 plan 0

Sales straight out of an exercise 0

Sales at will 8

Transactions with no price 0

Shares from compensation/vesting 26,708,686

Sales filed before the plan box existed 4

History held since 29 Mar 2021