John L. Lamattina

Companies

• LIGAND PHARMACEUTICALS INCBoard member Feb 10, 2011 to now¹
• Immunome Inc.Board member Oct 1, 2020 to Jun 12, 2023²
• Zafgen (United States)Board member Jun 18, 2014 to Jun 27, 2019³
• PfizerSenior Vice President Jan 9, 2004 to Oct 17, 2007⁴
• Thermo Fisher Scientific Inc.Board member Mar 10, 2004 to May 25, 2006⁵

Holdings

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

Shares held

• Pfizer PFE437,145 shares⁶$12.9M at $29.54Jul 3, 2007
• LPLIGAND PHARMACEUTICALS INC LGND26,969 shares⁷$8.1M at $299.17Jun 10, 2026
• Thermo Fisher Scientific Inc. TMO3,000 shares⁸$2.1M at $689.70Mar 9, 2004
• IImmunome Inc. IMNM66,953 shares⁹$1.1M at $16.66Jan 15, 2023

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

Recent filings

• Jun 10, 2026Sold 3,405 shares at $251.62 of LIGAND PHARMACEUTICALS INC⁷
• Jun 10, 2026Sold 697 shares at $249.53 of LIGAND PHARMACEUTICALS INC⁷
• Jun 10, 2026Sold 232 shares at $248.11 of LIGAND PHARMACEUTICALS INC⁷
• Jun 10, 2026Sold 257 shares at $247.22 of LIGAND PHARMACEUTICALS INC⁷
• Jun 5, 2026Granted 836 shares of LIGAND PHARMACEUTICALS INC¹⁰
• Mar 6, 2026Sold 2,161 shares at $200.76 of LIGAND PHARMACEUTICALS INC¹¹
• Mar 6, 2026Exercised options 2,161 shares at $114.15 of LIGAND PHARMACEUTICALS INC¹¹
• Nov 7, 2025Sold 2,034 shares at $205.45 of LIGAND PHARMACEUTICALS INC¹²
• Nov 7, 2025Exercised options 2,034 shares at $69.51 of LIGAND PHARMACEUTICALS INC¹²
• Nov 7, 2025Sold 2,145 shares at $205.45 of LIGAND PHARMACEUTICALS INC¹²
• Nov 7, 2025Exercised options 2,145 shares at $66.13 of LIGAND PHARMACEUTICALS INC¹²
• Jun 6, 2025Granted 1,209 shares of LIGAND PHARMACEUTICALS INC¹³
• Nov 27, 2024Sold 2,406 shares at $123.65 of LIGAND PHARMACEUTICALS INC¹⁴
• Nov 27, 2024Exercised options 2,406 shares at $52.30 of LIGAND PHARMACEUTICALS INC¹⁴
• Jun 14, 2024Granted 1,252 shares of LIGAND PHARMACEUTICALS INC¹⁵
• Jun 9, 2023Granted 1,142 shares of LIGAND PHARMACEUTICALS INC¹⁶
• Jan 15, 2023Granted 15,125 shares at $4.00 of Immunome Inc.⁹
• Jun 10, 2022Granted 1,004 shares of LIGAND PHARMACEUTICALS INC¹⁷
• Nov 16, 2021Sold 4,835 shares at $161.86 of LIGAND PHARMACEUTICALS INC¹⁸
• Nov 16, 2021Exercised options 4,835 shares at $32.30 of LIGAND PHARMACEUTICALS INC¹⁸
• Jun 29, 2007Shares withheld for tax 6,264 shares at $25.57 of Pfizer⁶
• Jun 15, 2007Gift 40,000 shares of Pfizer¹⁹
• Jun 15, 2007Sold 36,066 shares at $26.48 of Pfizer¹⁹
• Mar 23, 2007Shares withheld for tax 13,710 shares at $25.66 of Pfizer²⁰
• Feb 22, 2007Shares withheld for tax 19,974 shares at $25.87 of Pfizer²¹