SEAGEN INC. is a South Dakota corporation, registered on March 18, 2019. It is based at 21823 30th Drive SE, Bothell, WA, 98021. The company is currently listed as active on the South Dakota register and is registered under company number FB161838. Its E-Verify enrollment reports a workforce of 1,000 to 2,499 employees, hiring at 4 sites across 2 states. Public records for the company include 1 SoS registration, 11 licenses, 2 federal contracts, 49 H-1B filings, 1 E-Verify record and 5 Form 5500 filings. Every fact here is republished from an official public register and traces back to a primary source document.
| Legal entity name | SEAGEN INC. |
|---|---|
| Principal address | 21823 30th Drive SEBothell98021WAUnited States |
| Registration state | South Dakota |
| Status | Active |
| Formed in | Delaware (foreign registration) |
| Home company | SEAGEN INC. |
| Registered | 18 March 2019 (over 7 years ago) |
| Entity type | Corporation |
| Standing | compliant |
| Company number | FB161838 |
| EIN | 91-1874389 |
| Employees (modeled) |
| ≈3,660 employees2023 |
| Workforce size | 1,000 to 2,499 employees · updated 3 January 2026 |
|---|
| Hiring sites | 4 sites across 2 states |
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| H-1B filings | 49 LCA filings, FY 2021–2023 |
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| Registered agent | C T CORPORATION SYSTEM |
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| Source registry | South Dakota Secretary of State · updated 15 June 2026 |
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| Public records | 1 SoS registration |
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| Est. revenue (modeled) | $1.7B2023 |
|---|---|
| Federal contracts | $0 · 43 awards |
| Total obligated | $0 |
|---|---|
| Awards | 43 |
| Top agency | Department of Veterans Affairs |
| Action date | Agency | Obligated | |
|---|---|---|---|
| 2025-03-10 | Department of Veterans Affairs | $0 | |
| 2024-12-12 | Department of Veterans Affairs | $0 | |
| 2024-03-08 | Department of Veterans Affairs | $0 | |
| 2023-12-20 | Department of Veterans Affairs | $0 | |
| 2022-11-30 | Department of Veterans Affairs | $0 | |
| 2022-11-30 | Department of Veterans Affairs | $0 | |
| 2022-08-12 | Department of Veterans Affairs | $0 | |
| 2022-04-07 | Department of Veterans Affairs | $0 | |
| 2021-11-30 | Department of Veterans Affairs | $0 | |
| 2021-10-22 | Department of Veterans Affairs | $0 | |
| State | Business name | Filed | Registered agent | Officers | Status | |
|---|---|---|---|---|---|---|
| South DakotaTHIS | SEAGEN INC. | 2019-03-18 | C T CORPORATION SYSTEM | — | Active | |
Filing ID FB161838 Jurisdiction Foreign · CorporationFormed in Delaware Principal address 21823 30th Drive SE, Bothell, WA, 98021 Registered agent C T CORPORATION SYSTEM319 S COTEAU ST, PIERRE, SD, 57501-3187 Officers Not reported | ||||||
| Alaska | SEAGEN INC. | 2020-02-13 | C T Corporation System | Chris BoshoffOfficerMark E HopkinsOfficer15 more | Active | |
| Alabama | Seagen Inc. | 2011-06-27 | CT CORPORATION SYSTEM | — | Active | |
| Arkansas | SEAGEN INC. | 2020-04-27 | C T CORPORATION SYSTEM | ALISON O'NEILLOfficerJEAN LIUOfficer2 more | Active | |
| Arizona | SEAGEN INC. | 2011-03-10 | C T CORPORATION SYSTEM | Paul SchneiderOfficerDeborah BaronDirector20 more | Active | |
| California | SEAGEN INC. | 2010-09-15 | C T CORPORATION SYSTEM | Chris BoshoffOfficerAlison O'NeillOfficer9 more | Active | |
| Colorado | Seagen Inc. | 2011-04-12 | C T CORPORATION SYSTEM | — | Active | |
| Connecticut | SEAGEN INC. | 2011-02-16 | C T CORPORATION SYSTEM | JEAN LIUOfficerChris BoshoffOfficer35 more | Active | |
| District of Columbia | Seagen Inc. | 1997-07-15 | C T CORPORATION SYSTEM | Pospiech, AnthonyOfficerBoshoff, Chris AOfficer23 more | Active | |
| Delaware | SEAGEN INC. | 1997-07-15 | THE CORPORATION TRUST COMPANY | — | Unknown | |
| Florida | SEAGEN INC. | 2011-01-24 | C T CORPORATION SYSTEM | David GryskaDirector, OfficerAlison NeillDirector22 more | Active | |
| Georgia | Seagen Inc. | 2010-09-29 | C T CORPORATION SYSTEM | Chris BoshoffOfficerAlison O'NeillOfficer1 more | Active | |
| Hawaii | SEAGEN INC. | 2020-04-29 | C T CORPORATION SYSTEM | MCMAHON, BRIANOfficerO'NEILL,ALISONOfficer, Director13 more | Active | |
| Iowa | SEAGEN, INC. | 2020-06-30 | C T CORPORATION SYSTEM | — | Active | |
| Iowa | SEAGEN INC. | 2011-05-17 | C T CORPORATION SYSTEM | DEBORAH BARONDirectorCHRIS BOSHOFFOfficer2 more | Active | |
| Idaho | SeaGen Inc. | 2011-05-03 | C T CORPORATION SYSTEM | Roger DanseyOfficerPaul SchneiderOfficer28 more | Active | |
| Illinois | SEAGEN INC. | 2010-09-27 | C T CORPORATION SYSTEM | — | Active | |
| Indiana | SEAGEN INC. | 2011-06-24 | C T CORPORATION SYSTEM | Seema DivanOfficerAlison O'NeillOfficer14 more | Active | |
| Kansas | SEAGEN INC. | 2011-05-20 | C T CORPORATION SYSTEM | — | Active | |
| Kentucky | SEAGEN INC. | 2016-10-13 | CT CORPORATION SYSTEM | CLAY B. SIEGALLOfficer, DirectorAlison O'NeillDirector, Officer29 more | Active | |
| Louisiana | SEAGEN INC. | 2011-05-02 | C T CORPORATION SYSTEM | Deborah BaronOfficer, DirectorBarbara GarciaOfficer19 more | Active | |
| Massachusetts | SEAGEN INC. | 2011-05-02 | C T CORPORATION SYSTEM | Susan Courson-SmithOfficerSuzanne RolonOfficer20 more | Active | |
| Maryland | SEAGEN INC | 2011-04-07 | THE CORPORATION TRUST INCORPORATED | — | Active | |
| Maine | SEAGEN INC. | 2011-01-25 | C T CORPORATION SYSTEM | — | Active | |
| Michigan | SEAGEN INC. | 2011-06-06 | THE CORPORATION COMPANY | — | Active | |
| Minnesota | Seagen Inc. | 2020-04-22 | C T Corporation System Inc | Chris BoshoffOfficer | Active | |
| Missouri | SEAGEN INC. | 2011-02-28 | C T CORPORATION SYSTEM | Deborah BaronDirectorChris BoshoffOfficer2 more | Active | |
| Mississippi | Seagen Inc. | 2011-06-01 | C T CORPORATION SYSTEM | Teresa ArdinOfficerVanessa Lawrence-BondOfficer19 more | Active | |
| Montana | Seagen Inc. | 2016-10-25 | C T CORPORATION SYSTEM | Frances SewellOfficerDaniel FaganOfficer21 more | Active | |
| North Carolina | Seagen Inc. | 2011-02-16 | CT Corporation System | Louis, EstherOfficerO'Neill, AlisonOfficer19 more | Active | |
| North Dakota | Seagen Inc. | 2011-01-25 | C T CORPORATION SYSTEM | — | Active | |
| Nebraska | SEAGEN INC. | 2011-06-01 | C T CORPORATION SYSTEM | DANIEL FAGANOfficerTODD E SIMPSONOfficer43 more | Active | |
| New Hampshire | SEAGEN INC. | 2020-04-23 | C T Corporation System | Paul A. DeBartoloOfficerFrances SewellOfficer19 more | Active | |
| New Mexico | Seagen Inc. | 2020-05-18 | C T CORPORATION SYSTEM | Jean LiuOfficerAlpna SethDirector12 more | Active | |
| Nevada | SEAGEN INC | 2017-03-17 | C T CORPORATION SYSTEM** | Alison O'NeillDirectorBrian Gavin ByalaOfficer2 more | Active | |
| New York | SEAGEN INC. | 2010-09-15 | SEAGEN INC | CLAY B. SIEGALLOfficer | Active | |
| Ohio | SEAGEN INC. | 2010-10-26 | CT CORPORATION SYSTEM | — | Active | |
| Oklahoma | SEAGEN INC. | 2014-06-27 | C T CORPORATION SYSTEM | — | Active | |
| Oregon | SEAGEN INC. | 2011-04-11 | C T CORPORATION SYSTEM | ALISON O'NEILLOfficerCHRIS BOSHOFFOfficer | Active | |
| Pennsylvania | Seagen Inc. | 2010-03-31 | — | Seema DivanOfficerAlison O'NeillDirector, Officer19 more | Active | |
| Rhode Island | Seagen Inc. | 2020-06-01 | CT CORPORATION SYSTEM | ROGER DANSEYOfficerESTHER LOUISOfficer23 more | Active | |
| South Carolina | Seagen Inc. | 2011-03-10 | CT CORPORATION SYSTEM | — | Active | |
| Tennessee | SEAGEN INC. | 2011-05-17 | C T CORPORATION SYSTEM | — | Active | |
| Texas | Seagen Inc. | 2010-12-01 | CT Corporation System | JEAN LIUOfficerDAVID EPSTEINOfficer4 more | Active | |
| Utah | SEAGEN INC. | 2011-05-18 | CT CORPORATION SYSTEM | PAUL SCHNEIDEROfficerDAVID W. GRYSKADirector46 more | Active | |
| Virginia | Seagen Inc. | 2011-05-31 | C T CORPORATION SYSTEM | Seema DivanOfficerAmy CamilleriOfficer19 more | Active | |
| Vermont | SEAGEN INC. | 2019-03-13 | C T CORPORATION SYSTEM | Deborah BaronOfficer, DirectorBarbara GarciaOfficer20 more | Active | |
| Washington | SEAGEN INC. | 1998-01-13 | C T CORPORATION SYSTEM | CHRIS BOSHOFFDirectorBRIAN GAVIN BYALADirector2 more | Active | |
| Wisconsin | SEAGEN INC. | 2011-05-31 | C T CORPORATION SYSTEM | — | Active | |
| West Virginia | Seagen Inc. | 2012-05-30 | C T CORPORATION SYSTEM | DEBORAH BARONDirectorALISON O'NEILLOfficer, Director3 more | Active | |
Companies and people linked to SEAGEN INC. in the state registers through shared officers, a shared registered agent, shared filing contacts or a shared address. Service companies file for many unrelated businesses — a shared agent, address or contact alone does not prove affiliation.
company person group former role
Browse the indexed registries by state, or look up any debtor name free, at UCC lien search.
| State | License / ID | Type | Issued | Status | |
|---|---|---|---|---|---|
| Connecticut | — | — | 2024-04-05 | ACTIVE | |
| Connecticut | — | — | 2024-03-01 | ACTIVE | |
| New Hampshire | 07961 | MAN/DIST/WHOLE/BROKER | 2023-12-27 | Active | |
| Connecticut | — | — | 2019-08-05 | ACTIVE | |
| Connecticut | — | CORPORATION | — | ACTIVE | |
| Connecticut | — | CORPORATION | — | CLOSED | |
| Connecticut | — | CORPORATION | — | ACTIVE | |
| Connecticut | — | CORPORATION | — | ACTIVE | |
| Washington | — | — | — | Unknown | |
| — | — | — | — | Unknown | |
| Case | Filed | Job title | Wage | Worksite | Status | |
|---|---|---|---|---|---|---|
| I-200-23256-344820 | 2023-09-13 | Principal Biostatistician | $154,000/yr | Bothell | Certified | |
| I-200-23256-344863 | 2023-09-13 | Lead, Systems Analyst | $151,466/yr | Bothell | Certified | |
| I-200-23243-313452 | 2023-08-31 | Senior Business Systems Analyst, ERP | $151,466/yr | Bothell | Certified | |
| I-200-23243-313471 | 2023-08-31 | Senior Validation Engineer | $135,574/yr | Bothell | Certified | |
| I-200-23240-301785 | 2023-08-28 | Manager, Category Buyer | $127,754/yr | Bothell | Certified | |
| I-200-23235-290657 | 2023-08-23 | Associate Director, Regulatory Affairs | $180,527/yr | Bothell | Certified | |
| I-200-23229-274871 | 2023-08-17 | Principal Statistical Programmer | $142,000/yr | Bothell | Certified | |
| I-200-23228-270580 | 2023-08-16 | Analyst IV, GxP Solutions | $109,000/yr | Bothell | Certified | |
| I-200-23228-270588 | 2023-08-16 | IT CSV Analyst III | $107,000/yr | Bothell | Certified | |
| I-200-23223-259663 | 2023-08-11 | Clinical Pharmacologist | $115,000/yr | Bothell | Certified | |
| State | Workforce | Hiring sites | Enrolled | Industry | Status | |
|---|---|---|---|---|---|---|
| 2 states | 1,000 to 2,499 | 4 | 6/22/2021 | PROFESSIONAL, SCIENTIFIC, AND TECHNICAL SERVICES (54) | Terminated | |
Employee-benefit plan filings by SEAGEN INC. with the Department of Labor. Employee and revenue figures are modeled estimates derived from retirement-plan participant counts and industry ratios — not official headcount or reported revenue.
| Employees (modeled) | ≈3,660 · plan year 2023 |
|---|---|
| Est. annual revenue (modeled) | $1.7B |
| Retirement plan assets | $560M |
| Benefit plans | 401(k) plan on file · plan terminated |
| Filing history | 23 plan years filed, 1999–2023 |
| Sponsor EIN | 91-1874389 |
| Plan year | Employees (est.) | Participants | Plan assets | Revenue (est.) | 401(k) | |
|---|---|---|---|---|---|---|
| 2023 | ≈3,660 | 3,482 (3,297 active) | $560M | $1.7B | 401(k) | |
| 2022 | ≈3,220 | 2,904 (2,901 active) | $390.3M | $1.3B | 401(k) | |
| 2021 | ≈2,670 | 2,306 (2,404 active) | $402.9M | $1.1B | 401(k) | |
| 2020 | ≈2,230 | 1,854 (2,007 active) | $307.5M | $907.7M | 401(k) | |
| 2019 | ≈1,750 | 1,499 (1,575 active) | $213.1M | $687.6M | 401(k) | |
| 2018 | ≈1,430 | 1,251 (1,291 active) | $145.8M | $537.1M | 401(k) | |
| 2017 | ≈1,240 | 1,017 (1,120 active) | $130.6M | $431.5M | 401(k) | |
| 2016 | ≈981 | 865 (883 active) | $94.7M | $345.8M | 401(k) | |
| 2015 | ≈840 | 746 (756 active) | $76M | $296.1M | 401(k) | |
| 2014 | ≈748 | 676 (673 active) | $68M | $259M | 401(k) | |
Matched Form 5500 filing records:
| Plan | Plan year | Participants | EIN | |
|---|---|---|---|---|
| SEAGEN INC. 401(K) PLAN | — | — | — | |
| SEAGEN INC. 401(K) PLAN | — | — | — | |
| SEAGEN INC. 401(K) PLAN | — | — | — | |
| SEAGEN INC. 401(K) PLAN | — | — | — | |
| SEAGEN INC. 401(K) PLAN | — | — | — | |
Federal court records load when you reach this section.
Companies adjacent to SEAGEN INC. in the South Dakota Secretary of State register, in alphabetical order.
22 companies are registered at 21823 30th Drive SE, Bothell — shared registered-office and agent addresses are common; a shared address alone does not link businesses.
Netstate aggregates public records from federal, state and municipal sources; records are matched to this company by its registered legal names. Latest source snapshot 2026-07-29. Document getpalm-companies/1666-3012-8472.