United States Biotechnology & Medical Research

Design Therapeutics Inc (DSGN)

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Track

Ticker: DSGN Exchange: NSM
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Design Therapeutics Inc. Upgrade to see score, net flow, insiders and the full signal context.

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Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
3.5
Logos Global Master Fund LP Director Non-Executive Director
Transaction date
Proposed sale
Price
225.96
Quantity 93,288
Value US$3,517,949
3.5
Logos Global Master Fund LP Director Non-Executive Director
Transaction date
Proposed sale
Price
372.73
Quantity 6,472
Value US$2,336,017
3.5
Logos Global Master Fund LP Director Non-Executive Director
Transaction date
Proposed sale
Price
417.89
Quantity 35,628
Value US$2,449,742
2.8
William Arsani Non-Executive Director
Transaction date
Sale
Price
5.25
Quantity 217,627 -17.9%
Value US$1,142,542
2.8
William Arsani Non-Executive Director
Transaction date
Sale
Price
5.25
Quantity 345,000 -11.5%
Value US$1,811,250
Logos Opportunities Fund II LP Director Non-Executive Director
Transaction date
Proposed sale
Price
4.98
Quantity 217,627
Value US$1,083,783
3.5
Logos Global Master Fund LP Director Non-Executive Director
Transaction date
Proposed sale
Price
4.98
Quantity 345,000
Value US$1,718,100
3.2
Prasad Deepa Non-Executive Director
Transaction date
Sale
Price
6.27
Quantity 3,806 -16.0%
Value US$23,864
2.8
William Arsani Non-Executive Director
Transaction date
Sale
Price
4.25
Quantity 814,874 -100.0%
Value US$3,463,214
Logos SPV 1 LP Director Non-Executive Director
Transaction date
Proposed sale
Price
4.24
Quantity 814,874
Value US$3,455,066
1.5
Berger Heather A. Non-Executive Director
Transaction date
Purchase
Price
3.74
Quantity 1,300 +inf%
Value US$4,866
1.9
Schmid John P. Non-Executive Director
Transaction date
Purchase
Price
3.74
Quantity 17,809 +194.5%
Value US$66,606
1.9
Schmid John P. Non-Executive Director
Transaction date
Purchase
Price
3.62
Quantity 9,156 +inf%
Value US$33,133
2.2
LAPPE RODNEY W Non-Executive Director
Transaction date
Purchase
Price
2.35
Quantity 21,000 +18.7%
Value US$49,287
2.8
William Arsani Non-Executive Director
Transaction date
Purchase
Price
2.44
Quantity 1,960,000 +188.5%
Value US$4,782,400
3.2
Prasad Deepa Non-Executive Director
Transaction date
Purchase
Price
2.31
Quantity 12,000 +101.6%
Value US$27,670
2.8
William Arsani Non-Executive Director
Transaction date
Purchase
Price
2.15
Quantity 275,000 +35.9%
Value US$591,250
1.2
Siffert Joao MD President and CEO Executive Director
Transaction date
Purchase
Price
8.38
Quantity 6,300 +5.0%
Value US$52,762
3.1
George Simeon Non-Executive Director Large shareholder
Transaction date
Purchase
Price
8.14
Quantity 40,000 +0.6%
Value US$325,432
1.2
Siffert Joao MD President and CEO Executive Director
Transaction date
Planned purchase
Price
8.47
Quantity 1,150 +0.9%
Value US$9,740
3.1
George Simeon Non-Executive Director Large shareholder
Transaction date
Purchase
Price
8.63
Quantity 360,000 +5.9%
Value US$3,108,096
3.1
George Simeon Non-Executive Director Large shareholder
Transaction date
Purchase
Price
8.28
Quantity 500,000 +8.9%
Value US$4,140,550
2.2
LAPPE RODNEY W Non-Executive Director
Transaction date
Purchase
Price
7.96
Quantity 15,000 +15.5%
Value US$119,426
3.3
Xu Stella Non-Executive Director
Transaction date
Sale
Price
18.63
Quantity 1,455 -0.0%
Value US$27,105
3.3
Xu Stella Non-Executive Director
Transaction date
Sale
Price
19.01
Quantity 24,000 -0.6%
Value US$456,240
2.8
William Arsani Non-Executive Director
Transaction date
Purchase
Price
18.99
Quantity 25,000 +0.9%
Value US$474,680
3.3
Xu Stella Non-Executive Director
Transaction date
Sale
Price
20.34
Quantity 13,200 -0.3%
Value US$268,488
3.3
Xu Stella Non-Executive Director
Transaction date
Sale
Price
19.04
Quantity 552,225 -11.7%
Value US$10,514,364
2.8
William Arsani Non-Executive Director
Transaction date
Purchase
Price
15.45
Quantity 40,000 +1.5%
Value US$618,000
Thacker Justin Vice President, Finance Officer
Transaction date
Purchase
Price
20.00
Quantity 17,500 +inf%
Value US$350,000
3.1
George Simeon Non-Executive Director Large shareholder
Transaction date
Purchase
Price
20.00
Quantity 250,000 +4.6%
Value US$5,000,000
2.2
LAPPE RODNEY W Non-Executive Director
Transaction date
Purchase
Price
20.00
Quantity 5,000 +5.4%
Value US$100,000
Jeffries Sean Chief Operating Officer Officer
Transaction date
Purchase
Price
20.00
Quantity 3,050 +inf%
Value US$61,000
Shah Pratik Executive Chairperson Executive Director
Transaction date
Purchase
Price
20.00
Quantity 25,000 +inf%
Value US$500,000
2.8
William Arsani Non-Executive Director
Transaction date
Purchase
Price
20.00
Quantity 700,000 +34.4%
Value US$14,000,000
3.3
Xu Stella Non-Executive Director Large shareholder
Transaction date
Purchase
Price
20.00
Quantity 10,000 +0.2%
Value US$200,000
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2025-11-18 2025-11-18 PrS Proposed sale
3.5
Logos Global Master Fund LP

Director

Non-Executive Director
93,288
225.96
US$3,517,949 		93,288 225.96 US$3,517,949
2025-11-14 2025-11-14 PrS Proposed sale
3.5
Logos Global Master Fund LP

Director

Non-Executive Director
6,472
372.73
US$2,336,017 		6,472 372.73 US$2,336,017
2025-11-07 2025-11-07 PrS Proposed sale
3.5
Logos Global Master Fund LP

Director

Non-Executive Director
35,628
417.89
US$2,449,742 		35,628 417.89 US$2,449,742
2025-08-14 2025-08-13 S Sale
2.8
William Arsani
Non-Executive Director
217,627 -17.9%
5.25
US$1,142,542 		217,627 -17.9% 5.25 US$1,142,542
2025-08-14 2025-08-13 S Sale
2.8
William Arsani
Non-Executive Director
345,000 -11.5%
5.25
US$1,811,250 		345,000 -11.5% 5.25 US$1,811,250
2025-08-13 2025-08-13 PrS Proposed sale
Logos Opportunities Fund II LP

Director

Non-Executive Director
217,627
4.98
US$1,083,783 		217,627 4.98 US$1,083,783
2025-08-13 2025-08-13 PrS Proposed sale
3.5
Logos Global Master Fund LP

Director

Non-Executive Director
345,000
4.98
US$1,718,100 		345,000 4.98 US$1,718,100
2024-12-19 2024-12-18 S Sale
3.2
Prasad Deepa
Non-Executive Director
3,806 -16.0%
6.27
US$23,864 		3,806 -16.0% 6.27 US$23,864
2024-08-12 2024-08-09 S Sale
2.8
William Arsani
Non-Executive Director
814,874 -100.0%
4.25
US$3,463,214 		814,874 -100.0% 4.25 US$3,463,214
2024-08-09 2024-08-09 PrS Proposed sale
Logos SPV 1 LP

Director

Non-Executive Director
814,874
4.24
US$3,455,066 		814,874 4.24 US$3,455,066
2024-03-25 2024-03-25 B Purchase
1.5
Berger Heather A.
Non-Executive Director
1,300 +inf%
3.74
US$4,866 		1,300 +inf% 3.74 US$4,866
2024-03-25 2024-03-25 B Purchase
1.9
Schmid John P.
Non-Executive Director
17,809 +194.5%
3.74
US$66,606 		17,809 +194.5% 3.74 US$66,606
2024-03-25 2024-03-22 B Purchase
1.9
Schmid John P.
Non-Executive Director
9,156 +inf%
3.62
US$33,133 		9,156 +inf% 3.62 US$33,133
2023-10-02 2023-09-29 B Purchase
2.2
LAPPE RODNEY W
Non-Executive Director
21,000 +18.7%
2.35
US$49,287 		21,000 +18.7% 2.35 US$49,287
2023-08-30 2023-08-29 B Purchase
2.8
William Arsani
Non-Executive Director
1,960,000 +188.5%
2.44
US$4,782,400 		1,960,000 +188.5% 2.44 US$4,782,400
2023-08-30 2023-08-29 B Purchase
3.2
Prasad Deepa
Non-Executive Director
12,000 +101.6%
2.31
US$27,670 		12,000 +101.6% 2.31 US$27,670
2023-08-30 2023-08-28 B Purchase
2.8
William Arsani
Non-Executive Director
275,000 +35.9%
2.15
US$591,250 		275,000 +35.9% 2.15 US$591,250
2022-12-21 2022-12-20 B Purchase
1.2
Siffert Joao MD

President and CEO

Executive Director
6,300 +5.0%
8.38
US$52,762 		6,300 +5.0% 8.38 US$52,762
2022-12-20 2022-12-20 B Purchase
3.1
George Simeon
Non-Executive Director Large shareholder
40,000 +0.6%
8.14
US$325,432 		40,000 +0.6% 8.14 US$325,432
2022-12-20 2022-12-20 B Purchase
1.4
SR One Capital Fund I Aggregator LP
Large shareholder
40,000 +0.6%
8.14
US$325,432 		40,000 +0.6% 8.14 US$325,432
2022-12-21 2022-12-19 PP Planned purchase
1.2
Siffert Joao MD

President and CEO

Executive Director
1,150 +0.9%
8.47
US$9,740 		1,150 +0.9% 8.47 US$9,740
2022-12-20 2022-12-19 B Purchase
3.1
George Simeon
Non-Executive Director Large shareholder
360,000 +5.9%
8.63
US$3,108,096 		360,000 +5.9% 8.63 US$3,108,096
2022-12-20 2022-12-19 B Purchase
1.4
SR One Capital Fund I Aggregator LP
Large shareholder
360,000 +5.9%
8.63
US$3,108,096 		360,000 +5.9% 8.63 US$3,108,096
2022-12-20 2022-12-16 B Purchase
3.1
George Simeon
Non-Executive Director Large shareholder
500,000 +8.9%
8.28
US$4,140,550 		500,000 +8.9% 8.28 US$4,140,550
2022-12-20 2022-12-16 B Purchase
1.4
SR One Capital Fund I Aggregator LP
Large shareholder
500,000 +8.9%
8.28
US$4,140,550 		500,000 +8.9% 8.28 US$4,140,550
2022-12-12 2022-12-09 B Purchase
2.2
LAPPE RODNEY W
Non-Executive Director
15,000 +15.5%
7.96
US$119,426 		15,000 +15.5% 7.96 US$119,426
2022-03-22 2022-03-22 S Sale
3.3
Xu Stella
Non-Executive Director
1,455 -0.0%
18.63
US$27,105 		1,455 -0.0% 18.63 US$27,105
2022-03-22 2022-03-21 S Sale
3.3
Xu Stella
Non-Executive Director
24,000 -0.6%
19.01
US$456,240 		24,000 -0.6% 19.01 US$456,240
2022-03-22 2022-03-21 B Purchase
2.8
William Arsani
Non-Executive Director
25,000 +0.9%
18.99
US$474,680 		25,000 +0.9% 18.99 US$474,680
2022-03-22 2022-03-18 S Sale
3.3
Xu Stella
Non-Executive Director
13,200 -0.3%
20.34
US$268,488 		13,200 -0.3% 20.34 US$268,488
2022-03-22 2022-03-18 S Sale
3.3
Xu Stella
Non-Executive Director
552,225 -11.7%
19.04
US$10,514,364 		552,225 -11.7% 19.04 US$10,514,364
2021-09-02 2021-08-31 B Purchase
2.8
William Arsani
Non-Executive Director
40,000 +1.5%
15.45
US$618,000 		40,000 +1.5% 15.45 US$618,000
2021-04-01 2021-03-30 B Purchase
Thacker Justin

Vice President, Finance

Officer
17,500 +inf%
20.00
US$350,000 		17,500 +inf% 20.00 US$350,000
2021-04-01 2021-03-30 B Purchase
1.4
SR One Capital Fund I Aggregator LP
Large shareholder
250,000 +4.6%
20.00
US$5,000,000 		250,000 +4.6% 20.00 US$5,000,000
2021-04-01 2021-03-30 B Purchase
3.1
George Simeon
Non-Executive Director Large shareholder
250,000 +4.6%
20.00
US$5,000,000 		250,000 +4.6% 20.00 US$5,000,000
2021-04-01 2021-03-30 B Purchase
2.2
LAPPE RODNEY W
Non-Executive Director
5,000 +5.4%
20.00
US$100,000 		5,000 +5.4% 20.00 US$100,000
2021-04-01 2021-03-30 B Purchase
Jeffries Sean

Chief Operating Officer

Officer
3,050 +inf%
20.00
US$61,000 		3,050 +inf% 20.00 US$61,000
2021-04-01 2021-03-30 B Purchase
Shah Pratik

Executive Chairperson

Executive Director
25,000 +inf%
20.00
US$500,000 		25,000 +inf% 20.00 US$500,000
2021-04-01 2021-03-30 B Purchase
3.7
Cormorant Asset Management, LP
750,000 +17.2%
20.00
US$15,000,000 		750,000 +17.2% 20.00 US$15,000,000
2021-04-01 2021-03-30 B Purchase
2.8
William Arsani
Non-Executive Director
700,000 +34.4%
20.00
US$14,000,000 		700,000 +34.4% 20.00 US$14,000,000
2021-04-01 2021-03-30 B Purchase
3.3
Xu Stella
Non-Executive Director Large shareholder
10,000 +0.2%
20.00
US$200,000 		10,000 +0.2% 20.00 US$200,000
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