Jean I. Liu - 17 Nov 2022 Form 4 Insider Report for Seagen Inc.

Signature
By: /s/ Jennifer Prosba For: Jean Liu
Issuer symbol
N/A
Transactions as of
17 Nov 2022
Net transactions value
-$807,068
Form type
4
Filing time
18 Nov 2022, 18:53:05 UTC
Previous filing
16 Nov 2022
Next filing
06 Jan 2023

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction SGEN Common Stock Options Exercise $284,989 +8,333 +9.7% $34.20 94,024 17 Nov 2022 Direct F1
transaction SGEN Common Stock Sale $1,092,056 -8,333 -8.9% $131.05 85,691 17 Nov 2022 Direct F1, F2

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 -8,333 -100% $0.000000* 0 17 Nov 2022 Common Stock 8,333 $34.20 Direct F3
* 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 Reflects sales of common stock executed in multiple transactions at prices ranging from $130.931 to $131.540. The price reported reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the sales were effected.
F3 Options vested at a rate of 25% on each anniversary of the vesting commencement date of March 20, 2018 until all options were fully vested four years from the vesting commencement date.