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SEC Form 4 research

SEATTLE GENETICS INC /WA insider transactions

Inspect SEATTLE GENETICS INC /WA's public SEC insider acquisitions and sales, reporting owners and source receipts.

As of 2026-10-15T08:02:39.132Z

Issuer CIK
0001060736
Reporting owners
63
Officers and directors
16
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What is a Form 4?

Animation: what a Form 4 is, shown with one real example. Sonic Automotive (SAH) reporting owner Paul P. Rusnak bought 13,701 shares at $59.78 on Wednesday, October 7, 2026, transaction code P, an open-market purchase (S is a sale and A is an award from the company). A timeline marks the SEC's two-business-day filing deadline, which ends Friday, October 9. The SEC accepted the Form 4 at 4:33:21 PM ET on October 9, and NexusTrade treats it as public one minute later, at 4:34:21 PM ET. A lamp for NexusTrade's InsiderTrades indicator stays off from the trade date until that moment, then counts one purchase worth 13,701 × $59.78 = $819,045.78.
In this example the shares were bought on Oct 7, 2026, and NexusTrade's InsiderTrades indicator can count the purchase starting at 4:34:21 PM ET on Oct 9, one minute after the SEC accepted the Form 4.

A Form 4 is the SEC filing a company insider, such as an officer, director or 10% owner, uses to report a trade in the company's stock, generally within two business days. The animation follows one real filing as an example: Paul P. Rusnak's purchase of Sonic Automotive (SAH) shares on October 7, 2026.

The same reading applies to every row on this page. The trade date is when the shares changed hands. The available date is when NexusTrade treats the filing as public, and a NexusTrade InsiderTrades indicator counts a purchase (code P) or sale (code S) only from that moment. Code A awards are not counted as purchases.

Recent insider disclosures

This table includes purchases, sales and awards in the public filing record. Awards and open-market purchases are distinct transaction codes. For historical research, use the public availability date to determine when the transaction was knowable.

Read code P as a purchase, S as a sale and A as an award. An award is an acquisition, but it is not an open-market purchase. Open the filing receipt to check the transaction details.

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Most recent 90-day source activity, up to 50 rows. No rows means no matching recent records, not no historical activity.

Officers and directors in the directory

Show the table · 34 rows, 3 columns

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GRYSKA DAVID W000120233547
SIEGALL CLAY B0001167496435
SIMPSON TODD E000121647795
HIMES VAUGHN B000136196699
BOERNER CHRISTOPHER S.00015437478
LIU JEAN I000124135746
DRACHMAN JONATHAN G000158846725
Epstein David R000144582657
14159 capital (GP), LLC0001317493591
14159, L.P.00015511381,049
667, L.P.00015511392,118
AKKARAJU SRINIVAS0001253170203
Baker / Tisch Capital (GP), LLC0001244392182
Baker Biotech Capital (GP), LLC0001244389390
Baker Bros. Advisors (GP) LLC00015805752,197
BAKER BROS. ADVISORS LP00012635082,370
Baker Bros. Capital (GP), LLC0001244390253
Baker Brothers Life Sciences Capital (GP), LLC0001307729601
Baker Brothers Life Sciences LP00013633642,127
BAKER FELIX00010879404,174
BAKER JULIAN00010879394,416
BERGER FRANKLIN M000127388556
Cline Darren S000163363927
DANSEY ROGER D000174183666
DOBMEIER ERIC0001202785176
J P MORGAN PARTNERS GLOBAL INVESTORS CAYMAN LP0001169890177
JP MORGAN PARTNERS GLOBAL INVESTORS LP0001162622177
LIPPMAN MARC E000120279426
Orwin John A000147738433
Reynolds Thomas C000139394559
ROMP CHARLES R000180971744
ROSENBERG MORRIS000120278641
TrailSmith Pamela A000136325311
WELCH DANIEL G000120619982
GRYSKA DAVID W ↗SIEGALL CLAY B ↗SIMPSON TODD E ↗HIMES VAUGHN B ↗BOERNER CHRISTOPHER S. ↗LIU JEAN I ↗DRACHMAN JONATHAN G ↗Epstein David R ↗14159 capital (GP), LLC ↗14159, L.P. ↗667, L.P. ↗AKKARAJU SRINIVAS ↗Baker / Tisch Capital (GP), LLC ↗Baker Biotech Capital (GP), LLC ↗Baker Bros. Advisors (GP) LLC ↗BAKER BROS. ADVISORS LP ↗Baker Bros. Capital (GP), LLC ↗Baker Brothers Life Sciences Capital (GP), LLC ↗Baker Brothers Life Sciences LP ↗BAKER FELIX ↗BAKER JULIAN ↗BERGER FRANKLIN M ↗Cline Darren S ↗DANSEY ROGER D ↗DOBMEIER ERIC ↗J P MORGAN PARTNERS GLOBAL INVESTORS CAYMAN LP ↗JP MORGAN PARTNERS GLOBAL INVESTORS LP ↗LIPPMAN MARC E ↗Orwin John A ↗Reynolds Thomas C ↗ROMP CHARLES R ↗ROSENBERG MORRIS ↗TrailSmith Pamela A ↗WELCH DANIEL G ↗

Which transactions qualify for the company tracker

The company strategy uses verified officers and directors with qualifying acquisitions at this issuer. Other reporting owners may appear in source records without becoming strategy signals.

Strategy eligibility is held while filing coverage is unresolved.

Historical follower simulations are separate from these source transactions. They do not establish live trading results.