DAVID W. GRYSKA - 13 Feb 2023 Form 4 Insider Report for Seagen Inc.

Role: Director
Signature: By: /s/ Jennifer Prosba For: David W. Gryska
Issuer symbol: N/A
Transactions as of: 13 Feb 2023
Net transactions value: +$321,125
Form type: 4
Filing time: 15 Feb 2023, 17:33:18 UTC
Previous filing: 12 Jan 2023
Next filing: 02 Jun 2023
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	SGEN	Common Stock	Options Exercise	$321,125	+8,750	+22%	$36.70	49,003	13 Feb 2023	Direct	F1

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
transaction	SGEN	Non-Qualified Stock Option (right to buy)	Options Exercise	$0	-8,750	-100%	$0.000000^*	0	13 Feb 2023	Common Stock	8,750	$36.70	Direct	F2

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

Explanation of Responses:

Id	Content
F1	Amount of securities beneficially owned following reported transactions includes restricted stock units subject to vesting.
F2	Options were fully vested on 5/16/14.