Design Therapeutics DSGN Insider Ownership

NASDAQ DSGN
$15.26 +0.23 (+1.50%)
As of: Sep 4, 2026 · 2:21 PM EDT

Insider Holdings by Owner

21.12Mn Shares

Insider Ownership Statistics

as of 30 Sep, 2026
Insider Ownership
37.14%
0% pp QoQ
Shares Held by Insiders
21.15Mn
filed for Sep 2026
0.00% QoQ
Shares Outstanding
56.95Mn
56,950,999 shares
Direct Holdings
6.81Mn
Indirect: 14.34Mn
Net Shares Traded (QoQ)
0
no net change in Sep 2026
Insiders Holding Shares
8
with Form 4 holdings on file

Shares Owned by Insiders

Shares held % of outstanding
Latest
Average ownership
Peak ownership

Shares Purchased/Sold by Insiders

Bought Sold
Latest quarter
Net over range
Buying quarters

Insider Ownership Summary

Quarter ending 30 Sep, 2026

DSGN's three largest insider shareholders as of August 29, 2026 are One Capital Fund I Aggregator Lp Sr (TenPercentOwner, 6.53Mn shares), Simeon George (Director, 6.53Mn shares), One Capital Fund I Aggregator Lp Sr (TenPercentOwner, 6.53Mn shares).

Form 4 Holdings

Insiders Holding DSGN

Insiders 8
Shares held 21.12Mn
Of outstanding 37.09%
# Insider Position Direct Indirect Total Share of Insiders Last Filed
1 Simeon George Director, TenPercentOwner 0 6,526,476 6,526,476 30.9% 20 Dec, 2022
2 One Capital Fund I Aggregator Lp Sr TenPercentOwner 6,526,476 0 6,526,476 30.9% 20 Dec, 2022
3 Stella Xu Director 0 4,129,950 4,129,950 19.6% 22 Mar, 2022
4 Arsani William Director 0 3,655,000 3,655,000 17.3% 14 Aug, 2025
5 Rodney W Lappe Director 133,024 0 133,024 0.6% 02 Oct, 2023
6 Joao Md Siffert President And Ceo 132,619 0 132,619 0.6% 21 Dec, 2022
7 Deepa Prasad Director 20,000 0 20,000 0.1% 19 Dec, 2024
8 Heather A. Berger Director 1,300 0 1,300 0.0% 25 Mar, 2024

Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.

Form 4 Filings

273 Insider Transactions

Source SEC Form 4
Latest quarter Sep 2026
Download Data
Date Insider Position Transaction Shares Price Value Shares Held After Ownership
09 Jun, 2026 David Shapiro Director Acquired A 30,000 $0.00 $0 30,000 Direct
09 Jun, 2026 John P. Schmid Director Acquired A 30,000 $0.00 $0 30,000 Direct
09 Jun, 2026 Rodney W Lappe Director Acquired A 30,000 $0.00 $0 30,000 Direct
09 Jun, 2026 Heather A. Berger Director Acquired A 30,000 $0.00 $0 30,000 Direct
09 Jun, 2026 Simeon George Director, TenPercentOwner Acquired A 30,000 $0.00 $0 30,000 Direct
31 Mar, 2026 David Shapiro Director Acquired A 60,000 $0.00 $0 60,000 Direct
31 Mar, 2026 David Shapiro Director Acquired A 7,500 $0.00 $0 7,500 Direct
02 Jan, 2026 Julie Burgess Chief Accounting Officer Acquired A 150,000 $0.00 $0 150,000 Direct
02 Jan, 2026 Sean Jeffries Chief Operating Officer Acquired A 375,000 $0.00 $0 375,000 Direct
02 Jan, 2026 Chris Storgard Chief Medical Officer Acquired A 250,000 $0.00 $0 250,000 Direct
02 Jan, 2026 Sean Jeffries Chief Operating Officer Acquired A 375,000 $0.00 $0 375,000 Direct
02 Jan, 2026 Sean Jeffries Chief Operating Officer Acquired A 375,000 $0.00 $0 375,000 Direct
02 Jan, 2026 Chris Storgard Chief Medical Officer Acquired A 250,000 $0.00 $0 250,000 Direct
02 Jan, 2026 Chris Storgard Chief Medical Officer Acquired A 250,000 $0.00 $0 250,000 Direct
02 Jan, 2026 Pratik Shah President, Ceo And Chairperson Acquired A 750,000 $0.00 $0 750,000 Direct
02 Jan, 2026 Chris Storgard Chief Medical Officer Acquired A 250,000 $0.00 $0 250,000 Direct
02 Jan, 2026 Sean Jeffries Chief Operating Officer Acquired A 375,000 $0.00 $0 375,000 Direct
09 Dec, 2025 Pratik Shah President, Ceo And Chairperson Acquired A 525,000 $0.00 $0 525,000 Direct
09 Dec, 2025 Pratik Shah President, Ceo And Chairperson Acquired A 525,000 $0.00 $0 525,000 Direct
13 Aug, 2025 Arsani William Director Disposed S 345,000 $5.25 $1.81Mn 2,655,000 Indirect