Jeffrey C. Pepe - Sep 2, 2022 Form 3 Insider Report for Silverback Therapeutics, Inc. (SPRY)

Role: Interim CEO and GC
Signature: /s/ Jeffrey C. Pepe
Stock symbol: SPRY
Transactions as of: Sep 2, 2022
Transactions value $: $0
Form type: 3
Date filed: 9/8/2022, 05:04 PM

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	SPRY	Common Stock						52.3K	Sep 2, 2022	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	SPRY	Stock option (right to buy)							Sep 2, 2022	Common Stock	35.4K	$1.68	Direct	F1
holding	SPRY	Stock option (right to buy)							Sep 2, 2022	Common Stock	22.4K	$1.27	Direct	F2
holding	SPRY	Stock option (right to buy)							Sep 2, 2022	Common Stock	17.6K	$1.27	Direct	F3
holding	SPRY	Stock option (right to buy)							Sep 2, 2022	Common Stock	18.3K	$1.27	Direct	F4
holding	SPRY	Stock option (right to buy)							Sep 2, 2022	Common Stock	26.9K	$6.65	Direct	F5
holding	SPRY	Stock option (right to buy)							Sep 2, 2022	Common Stock	102K	$21.00	Direct	F6
holding	SPRY	Stock option (right to buy)							Sep 2, 2022	Common Stock	45K	$4.85	Direct	F7
holding	SPRY	Stock option (right to buy)							Sep 2, 2022	Common Stock	28.5K	$4.85	Direct	F8
holding	SPRY	Stock option (right to buy)							Sep 2, 2022	Common Stock	79.3K	$3.15	Direct	F9

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

Explanation of Responses:

Id	Content
F1	25% of the shares subject to the option vested on August 19, 2020, and the remaining shares will vest monthly thereafter over three years.
F2	25% of the shares subject to the option vested on March 4, 2021, and the remaining shares will vest monthly thereafter over three years.
F3	25% of the shares subject to the option vested on July 1, 2021, and the remaining shares will vest monthly thereafter over three years.
F4	The shares subject to the option will vest in equal monthly installments over the 48 months beginning on October 18, 2020.
F5	The shares subject to the option will vest in equal monthly installments over the 48 months beginning on October 22, 2020.
F6	The shares subject to the option will vest in equal monthly installments over the 48 months beginning on January 3, 2021.
F7	The shares subject to the option will vest in equal monthly installments over the 48 months beginning on March 1, 2022.
F8	25% of the shares subject to the option will vest on February 1, 2023, and the remaining shares will vest monthly thereafter over three years.
F9	The shares subject to the option will vest on May 2, 2023.