CLAY B. SIEGALL - 06 May 2021 Form 4 Insider Report for Seagen Inc.

Signature
By: /s/ Jean Liu For: Clay B. Siegall
Issuer symbol
N/A
Transactions as of
06 May 2021
Net transactions value
-$3,508,026
Form type
4
Filing time
07 May 2021, 18:29:32 UTC
Next filing
01 Jun 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction SGEN Common Stock Options Exercise $54,898 +3,551 +0.5% $15.46* 718,760 06 May 2021 Direct F1
transaction SGEN Common Stock Sale $482,048 -3,551 -0.49% $135.75 715,209 06 May 2021 Direct F1, F2, F3
transaction SGEN Common Stock Options Exercise $279,501 +18,079 +2.5% $15.46* 733,288 06 May 2021 Direct F1
transaction SGEN Common Stock Sale $2,442,654 -18,079 -2.5% $135.11 715,209 06 May 2021 Direct F1, F2, F4
transaction SGEN Common Stock Options Exercise $119,398 +7,723 +1.1% $15.46* 722,932 06 May 2021 Direct F1
transaction SGEN Common Stock Sale $1,037,122 -7,723 -1.1% $134.29 715,209 06 May 2021 Direct F1, F2, F5

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 -3,551 -3% $0.000000 113,861 06 May 2021 Common Stock 3,551 $15.46 Direct F6
transaction SGEN Non-Qualified Stock Option (right to buy) Options Exercise $0 -18,079 -16% $0.000000 95,782 06 May 2021 Common Stock 18,079 $15.46 Direct F6
transaction SGEN Non-Qualified Stock Option (right to buy) Options Exercise $0 -7,723 -8.1% $0.000000 88,059 06 May 2021 Common Stock 7,723 $15.46 Direct F6
* 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 The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.
F3 Reflects sales of common stock executed in multiple transactions at prices ranging from $135.63 to $135.91. 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.
F4 Reflects sales of common stock executed in multiple transactions at prices ranging from $134.63 to $135.62. 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.
F5 Reflects sales of common stock executed in multiple transactions at prices ranging from $133.63 to $134.62. 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.
F6 Options vested at a rate of 25% on 8/24/12 and monthly thereafter until all the shares were fully vested on 8/24/15.