Jae B. Kim - Mar 13, 2024 Form 3 Insider Report for Design Therapeutics, Inc. (DSGN)

Role: Chief Medical Officer
Signature: /s/ Mustapha Parekh, Attorney-in-Fact
Stock symbol: DSGN
Transactions as of: Mar 13, 2024
Transactions value $: $0
Form type: 3
Date filed: 3/20/2024, 07:57 PM

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	DSGN	Common Stock						4.76K	Mar 13, 2024	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	DSGN	Stock Option (right to buy)							Mar 13, 2024	Common Stock	315K	$12.77	Direct	F1
holding	DSGN	Stock Option (right to buy)							Mar 13, 2024	Common Stock	115K	$7.97	Direct	F2
holding	DSGN	Stock Option (right to buy)							Mar 13, 2024	Common Stock	175K	$2.54	Direct	F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The shares subject to the option will vest as follows: 25% of the shares vested on January 24, 2023, and the balance will vest in equal monthly installments thereafter over a three year period.
F2	The shares subject to the option will vest as follows: 20% of the shares vested on February 1, 2024, 20% of the shares will vest in equal monthly installments over the following 12 months, 30% of the shares will vest in equal monthly installments over the following 12 months, and 30% of the shares will vest in equal monthly installments over the following 12 months.
F3	The shares subject to the option will vest as follows: 20% of the shares will vest on January 1, 2025, 20% of the shares will vest in equal monthly installments over the following 12 months, 30% of the shares will vest in equal monthly installments over the following 12 months, and 30% of the shares will vest in equal monthly installments over the following 12 months.