BAKER BROS. ADVISORS LP Insider Transactions

SGEN Stock Insider Transactions

This summary is for reference only. We do not guarantee the accuracy and completeness of the information. Please do your own due diligence.

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See footnotes

Class A Shares Change	Class A Shares After	Class B Shares Change	Price	Amount	Date	Msg	Url
2,044	42,977,301		0		2023-06-02	Grant, award...etc	Filing Url
17,500	42,975,257	0			2023-05-03	Derivatives Exercise	Filing Url
1,503	42,966,507		0		2022-05-17	Grant, award...etc	Filing Url
35,000	42,965,004	0			2022-03-10	Derivatives Exercise	Filing Url
2,804	43,309,073	0	0		2021-05-18	Grant, award...etc	Filing Url
35,000	43,307,671	0			2021-05-18	Derivatives Exercise
5,926	45,842,649	0	0		2019-05-22	Grant, award...etc	Filing Url
7,400	45,829,686	0	56.77	$420,098	2018-05-18	Grant, award...etc	Filing Url
10,000	44,988,471				2018-05-02	Derivatives Exercise	Filing Url
3,456,543	44,355,335		52	$179,740,236	2018-02-05	Open Market Purchase	Filing Url
3,700	40,898,792		66.6	$246,420	2017-05-23	Grant, award...etc	Filing Url
10,000	40,895,092				2017-05-17	Derivatives Exercise	Filing Url

667

Class A Shares Change	Class A Shares After	Class B Shares Change	Price	Amount	Date	Msg	Url
2,044	1,731,202		0		2023-06-02	Grant, award...etc	Filing Url
1,503	4,088,765		0		2022-05-17	Grant, award...etc	Filing Url
-33,326	4,069,762	0	160	$5,332,160	2021-12-02	Sale	Filing Url
1,335	4,084,186		0		2020-05-19	Grant, award...etc	Filing Url
-147,688	4,082,851		160	$23,630,080	2020-05-19	Sale
-89,315	4,230,539	0	164.0597	$14,652,992	2020-05-08	Sale	Filing Url
17,500	4,319,854				2020-04-24	Derivatives Exercise	Filing Url
10,000	5,301,874				2019-05-01	Derivatives Exercise	Filing Url
10,000	5,288,174				2018-05-02	Derivatives Exercise	Filing Url
10,000	4,884,864				2017-05-17	Derivatives Exercise	Filing Url

Funds. Baker Bros. Advisors GP LLC

Class A Shares Change	Class A Shares After	Class B Shares Change	Price	Amount	Date	Msg	Url
-361,569	42,947,504	0	160	$57,851,040	2021-12-02	Sale	Filing Url
1,335	43,290,171		0		2020-05-19	Grant, award...etc	Filing Url
-1,602,312	43,288,836		160	$256,369,920	2020-05-19	Sale
-969,001	44,891,148	0	164.0597	$158,974,013	2020-05-08	Sale	Filing Url

Funds

Class A Shares Change	Class A Shares After	Class B Shares Change	Class B Shares After	Price	Amount	Date	Msg	Url
17,500	45,860,149					2020-04-24	Derivatives Exercise	Filing Url

Funds. Baker Bros. Advisors

Class A Shares Change	Class A Shares After	Class B Shares Change	Class B Shares After	Price	Amount	Date	Msg	Url
10,000	45,839,686					2019-05-01	Derivatives Exercise	Filing Url

Includes beneficial ownership of 18

Class A Shares Change	Class A Shares After	Class B Shares Change	Class B Shares After	Price	Amount	Date	Msg	Url
460,651	45,825,986	0		52.6828	$24,268,385	2018-05-08	Open Market Purchase	Filing Url
1,000,000	45,365,335	0		50.9013	$50,901,300	2018-05-02	Open Market Purchase	Filing Url

See footnote

Class A Shares Change	Class A Shares After	Class B Shares Change	Class B Shares After	Price	Amount	Date	Msg	Url
389,610	5,278,174			52	$20,259,720	2018-02-05	Open Market Purchase	Filing Url
3,700	4,888,564			66.6	$246,420	2017-05-23	Grant, award...etc	Filing Url