X0306
4
2019-12-09
0
0001060736
SEATTLE GENETICS INC /WA
SGEN
0001167496
SIEGALL CLAY B
21823 30TH DRIVE SE
BOTHELL
WA
98021
1
1
0
0
President and CEO
Common Stock
2019-12-09
4
M
0
17327
12.0
A
773011
D
Common Stock
2019-12-09
4
S
0
17327
114.08
D
755684
D
Common Stock
2019-12-09
4
M
0
6734
12.0
A
762418
D
Common Stock
2019-12-09
4
S
0
6734
114.59
D
755684
D
Common Stock
2019-12-09
4
M
0
2111
12.0
A
757795
D
Common Stock
2019-12-09
4
S
0
2111
115.53
D
755684
D
Common Stock
2019-12-09
4
M
0
1800
12.0
A
757484
D
Common Stock
2019-12-09
4
S
0
1800
116.98
D
755684
D
Common Stock
2019-12-09
4
M
0
500
12.0
A
756184
D
Common Stock
2019-12-09
4
S
0
500
117.76
D
755684
D
Non-Qualified Stock Option (right to buy)
12.0
2019-12-09
4
M
0
17327
0.0
D
2020-08-27
Common Stock
17327
238924
D
Non-Qualified Stock Option (right to buy)
12.0
2019-12-09
4
M
0
6734
0.0
D
2020-08-27
Common Stock
6734
232190
D
Non-Qualified Stock Option (right to buy)
12.0
2019-12-09
4
M
0
2111
0.0
D
2020-08-27
Common Stock
2111
230079
D
Non-Qualified Stock Option (right to buy)
12.0
2019-12-09
4
M
0
1800
0.0
D
2020-08-27
Common Stock
1800
228279
D
Non-Qualified Stock Option (right to buy)
12.0
2019-12-09
4
M
0
500
0.0
D
2020-08-27
Common Stock
500
227779
D
Amount of securities beneficially owned following reported transactions includes restricted stock units subject to vesting.
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.
Reflects sales of common stock executed in multiple transactions at prices ranging from $113.37 to $114.37. 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.
Reflects sales of common stock executed in multiple transactions at prices ranging from $114.37 to $115.28. 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.
Reflects sales of common stock executed in multiple transactions at prices ranging from $115.40 to $115.69. 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.
Reflects sales of common stock executed in multiple transactions at prices ranging from $116.58 to $117.45. 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.
Reflects sales of common stock executed in multiple transactions at prices ranging from $117.58 to $117.96. 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.
Options vested at a rate of 25% on 8/27/11 and monthly thereafter until all the shares were fully vested on 8/27/14.
By: /s/ Jean Liu For: Clay B. Siegall
2019-12-10