Todd E. Simpson

Companies

• Xencor IncBoard member Mar 13, 2025 to now¹
• SeagenChief financial officer Feb 1, 2006 to Dec 15, 2023²
• Neurogene Inc.Board member Mar 6, 2014 to Jun 9, 2023³
• SeagenOfficer Sep 4, 2019 to Sep 4, 2019⁴

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• XXencor Inc XNCR23,988 shares⁵$576.9K at $24.05Jun 16, 2026
• Seagen SGEN0 shares⁶Dec 14, 2023

As of each latest filing. The line shows shares held over time.

Recent filings

• Jun 16, 2026Granted 10,302 shares of Xencor Inc⁵
• Jun 12, 2025Granted 13,686 shares of Xencor Inc⁷
• Dec 14, 2023Returned to company 93,292 shares at $229.00 of Seagen⁶
• Sep 21, 2023Sold 80 shares at $206.50 of Seagen⁸
• Aug 31, 2023Sold 2,122 shares at $206.97 of Seagen⁹
• Aug 29, 2023Sold 485 shares at $206.00 of Seagen¹⁰
• Aug 28, 2023Granted 1,225 shares of Seagen¹⁰
• Aug 16, 2023Returned to company 1,540 shares at $193.87 of Seagen¹¹
• Aug 16, 2023Returned to company 861 shares at $193.87 of Seagen¹¹
• Aug 16, 2023Returned to company 1,106 shares at $193.87 of Seagen¹¹
• Aug 15, 2023Granted 14,746 shares of Seagen¹¹
• Apr 10, 2023Sold 40,364 shares at $204.74 of Seagen¹²
• Apr 10, 2023Exercised options 40,364 shares at $46.37 of Seagen¹²
• Apr 10, 2023Sold 14,980 shares at $204.14 of Seagen¹²
• Apr 10, 2023Exercised options 14,980 shares at $46.37 of Seagen¹²
• Apr 6, 2023Sold 243 shares at $205.86 of Seagen¹³
• Apr 5, 2023Granted 609 shares of Seagen¹³
• Apr 1, 2023Granted 1,395 shares of Seagen¹⁴
• Mar 9, 2023Sold 6,082 shares at $177.37 of Seagen¹⁵
• Mar 9, 2023Sold 26,449 shares at $176.71 of Seagen¹⁵
• Mar 9, 2023Sold 10,262 shares at $175.89 of Seagen¹⁵
• Mar 9, 2023Exercised options 42,793 shares at $45.30 of Seagen¹⁵
• Feb 27, 2023Sold 20,000 shares at $182.53 of Seagen¹⁶
• Feb 16, 2023Sold 39,946 shares at $160.00 of Seagen¹⁷
• Feb 16, 2023Exercised options 39,946 shares at $39.15 of Seagen¹⁷