Insiders · SGEN

Todd E Simpson

Officer at Seagen Inc. (SGEN)

Todd E Simpson has filed 29 insider reports with the SEC since May 2021, as director at Xencor Inc (XNCR), director at Neurogene Inc. (NLTX) and officer at Seagen Inc. (SGEN) and at 2 more companies. Todd E Simpson made no open-market purchases or sales in the last 12 months. The latest filing, on July 8, 2026, reports grant or award at Xencor Inc (XNCR).

Filings

29

Companies

5

Bought on market

None

Sold on market

$44.9M

Companies where Todd E Simpson is an insider

Company	Role	Shares held	Bought	Sold	Avg buy	Price now	Last filing
XNCR Xencor Inc	Directorsince March 2025	23,988				$38.13	Jul 8, 2026
NLTX Neurogene Inc.	Director						Feb 9, 2024
SGEN Seagen Inc.	Officer	0		$44.4M			Dec 15, 2023
Seagen Inc.	Officer	128,803		$439K			Sep 1, 2023
NGNE Neoleukin Therapeutics, Inc.	Director					$23.90	Jun 9, 2023

Shares held: common shares owned directly after the latest filing that states it. Avg buy: open-market purchase dollars divided by shares bought, every filing on record.

Every filing

• Jun 16, 2026
  XNCRDirector Simpson Todd E was granted 10,302 shares, increasing direct ownership by 75% to 23,988 units

  Form 4Grant or award
• Jun 12, 2025
  XNCRDirector Simpson Todd E was granted 13,686 shares

  Form 4Grant or award
• Mar 13, 2025
  XNCRSEC Form 4 filed by Director Simpson Todd E

  Form 4Grant or award
• Mar 13, 2025
  XNCRTodd E Simpson became an insider

  Form 3New insider
• Feb 9, 2024
  NLTXTodd E Simpson plans to sell 2,500 shares (~$77.5K)

  Form 144Planned sale
  ~$77.5K
• Dec 14, 2023
  SGENSimpson Todd E returned $21,363,868 worth of shares to the company (93,292 units at $229.00), closing all direct ownership in the company

  Form 4Sale back to the company
• Sep 21, 2023
  SGENSEC Form 4: Simpson Todd E sold $16,520 worth of shares (80 units at $206.50), decreasing direct ownership by 0.06% to 128,723 units

  Form 4Open-market sale10b5-1 plan
  -$16.5K
• Aug 31, 2023
  SGENSEC Form 4: Simpson Todd E sold $439,182 worth of shares (2,122 units at $206.97), decreasing direct ownership by 2% to 128,803 units

  Form 4Open-market sale10b5-1 plan
  -$439K
• Aug 29, 2023
  SGENSEC Form 4: Simpson Todd E was granted 1,225 shares and sold $99,910 worth of shares (485 units at $206.00), increasing direct ownership by 0.57% to 130,925 units

  Form 4Grant or awardOpen-market sale10b5-1 plan
  -$99.9K
• Aug 16, 2023
  SGENSEC Form 4: Simpson Todd E was granted 14,746 shares and returned $679,898 worth of shares to the company (3,507 units at $193.87), increasing direct ownership by 9% to 130,185 units

  Form 4Grant or awardSale back to the company10b5-1 plan
• Jun 8, 2023
  NGNESEC Form 4 filed by Simpson Todd E

  Form 4Grant or award
• Apr 10, 2023
  SGENSEC Form 4 filed by Simpson Todd E

  Form 4Exercise or conversion of a derivativeOpen-market sale10b5-1 plan
  -$11.3M
• Apr 12, 2023
  SGENSEC Form 4 filed by Simpson Todd E (Amendment)

  Form 410b5-1 plan
• Apr 6, 2023
  SGENSEC Form 4 filed by Simpson Todd E

  Form 4Grant or awardOpen-market sale10b5-1 plan
  -$50K
• Apr 1, 2023
  SGENSEC Form 4 filed by Simpson Todd E

  Form 4Grant or award
• Mar 9, 2023
  SGENSEC Form 4: Simpson Todd E sold $7,557,550 worth of shares (42,793 units at $176.61) as part of a pre-agreed trading plan and exercised 42,793 shares at a strike of $45.30

  Form 4Exercise or conversion of a derivativeOpen-market sale10b5-1 plan
  -$7.56M
• Feb 27, 2023
  SGENSEC Form 4: Simpson Todd E sold $3,650,600 worth of shares (20,000 units at $182.53) as part of a pre-agreed trading plan, decreasing direct ownership by 15% to 117,185 units

  Form 4Open-market sale10b5-1 plan
  -$3.65M
• Feb 16, 2023
  SGENSEC Form 4: Simpson Todd E exercised 39,946 shares at a strike of $39.15 and sold $6,391,400 worth of shares (39,946 units at $160.00) as part of a pre-agreed trading plan

  Form 4Exercise or conversion of a derivativeOpen-market sale10b5-1 plan
  -$6.39M
• Aug 31, 2022
  SGENSEC Form 4: Simpson Todd E sold $646,379 worth of shares (4,186 units at $154.41) as part of a pre-agreed trading plan, decreasing direct ownership by 3% to 137,185 units (for tax liability)

  Form 4Open-market sale10b5-1 plan
  -$646K
• Aug 16, 2022
  SGENSEC Form 4: Simpson Todd E was granted 15,447 shares and sold $334,813 worth of shares (1,967 units at $170.22) as part of a pre-agreed trading plan, increasing direct ownership by 11% to 141,371 units (withholding obligation)

  Form 4Grant or awardOpen-market sale10b5-1 plan
  -$335K
• May 12, 2022
  NGNESEC Form 4 filed by Simpson Todd E

  Form 4Grant or award
• Apr 20, 2022
  SGENSEC Form 4: Simpson Todd E sold $81,829 worth of shares (567 units at $144.32) as part of a pre-agreed trading plan, decreasing direct ownership by 0.44% to 127,891 units

  Form 4Open-market sale10b5-1 plan
  -$81.8K
• Dec 20, 2021
  SGENSEC Form 4: Simpson Todd E sold $51,698 worth of shares (345 units at $149.85) as part of a pre-agreed trading plan, decreasing direct ownership by 0.27% to 128,458 units to cover withholding tax

  Form 4Open-market sale10b5-1 plan
  -$51.7K
• Nov 4, 2021
  SGENSEC Form 4: Simpson Todd E exercised 42,388 shares at a strike of $44.21 and sold $7,442,920 worth of shares (40,232 units at $185.00) as part of a pre-agreed trading plan, increasing direct ownership by 2% to 128,803 units

  Form 4Exercise or conversion of a derivativeOpen-market sale10b5-1 plan
  -$7.44M
• Oct 29, 2021
  SGENSEC Form 4: Simpson Todd E exercised 33,564 shares at a strike of $41.04 and sold $6,041,523 worth of shares (33,564 units at $180.00) as part of a pre-agreed trading plan

  Form 4Exercise or conversion of a derivativeOpen-market sale10b5-1 plan
  -$6.04M
• Sep 23, 2021
  SGENSEC Form 4: Simpson Todd E was granted 201 shares, increasing direct ownership by 0.16% to 126,647 units

  Form 4Grant or award
• Aug 31, 2021
  SGENSEC Form 4: Simpson Todd E sold $667,884 worth of Common Stock (3,987 units at $167.52), decreasing direct ownership by 3% to 126,446 units (tax liability)

  Form 4Open-market sale10b5-1 plan
  -$668K
• Aug 16, 2021
  SGENSEC Form 4: SIMPSON TODD E sold $82,377 worth of Common Stock (533 units at $154.55) and was granted 11,095 units of Common Stock, increasing direct ownership by 9% to 130,433 units to cover taxes

  Form 4Grant or awardOpen-market sale10b5-1 plan
  -$82.4K
• May 11, 2021
  NGNESEC Form 4 filed by SIMPSON TODD E

  Form 4Grant or award

Compare Todd E Simpson with

• Todd E Simpson vs Bart Jan Cornelissen1 shared
• Todd E Simpson vs Richard J Ranieri1 shared
• Todd E Simpson vs Rachel McMinn1 shared
• Todd E Simpson vs Ellen Feigal1 shared
• Todd E Simpson vs Kevin Charles Gorman1 shared
• Todd E Simpson vs Kurt A Gustafson1 shared

Other insiders at the same companies

• Bart Jan CornelissenXNCR
• Richard J RanieriXNCR
• Rachel McMinnNGNE
• Ellen FeigalXNCR
• Kevin Charles GormanXNCR
• Kurt A GustafsonXNCR
• Barbara KlenckeXNCR
• Alan Bruce MontgomeryXNCR
• Raymond Joseph DeshaiesXNCR
• Christine Mikail CvijicNGNE
• Keith WoodsNGNE
• Christina ShaferNGNE
• Julie JordanNGNE
• Stuart CobbNGNE
• John R DesjarlaisXNCR
• Celia EckertXNCR

Questions about Todd E Simpson

What is Todd E Simpson's role at Seagen Inc.?

Todd E Simpson reports to the SEC as officer at Seagen Inc. (SGEN), according to the latest filing on December 15, 2023. Todd E Simpson has also filed as director at Xencor Inc (XNCR), director at Neurogene Inc. (NLTX), officer at Seagen Inc. (SGEN) and director at Neoleukin Therapeutics, Inc. (NGNE).

How many shares does Todd E Simpson own?

After the latest filing that states it, Todd E Simpson directly owned 23,988 shares of Xencor Inc (XNCR) and 128,803 shares of Seagen Inc. (SGEN). Shares held through trusts, funds or family members are reported separately and are not counted here.

Has Todd E Simpson bought or sold stock recently?

The most recent open-market sale was on September 21, 2023: sold 80 shares of Seagen Inc. (SGEN) for $16.5K at an average of $206.50.

How do I get alerts when Todd E Simpson files?

Follow Todd E Simpson on Quantisnow and you get an email, and a phone notification on Plus, within minutes of each new Form 4 or Form 5, and of each Form 144 notice of a planned sale.

From SEC Forms 3, 4, 5 and 144 filed by Todd E Simpson (SEC CIK 0001216477). Totals count each trade once, skipping amendments whose original is on file, from May 13, 2021 on. View on SEC EDGAR