John M. Dineen

Companies

• Lam ResearchBoard member Aug 25, 2023 to now¹
• Cognizant Technology SolutionsBoard member Apr 4, 2017 to now²
• Syneos Health, Inc.Board member Dec 11, 2018 to Sep 28, 2023³
• MERRIMACK PHARMACEUTICALS INCBoard member Jun 16, 2015 to Jun 15, 2018⁴

Holdings

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

Shares held

• Lam Research LRCX9,135 shares⁵$2.4M at $264.15Nov 7, 2025
• Cognizant Technology Solutions CTSH1,827 shares⁶$120.9K at $66.17Nov 13, 2023
• SHSyneos Health, Inc.0 shares⁷Sep 28, 2023

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

Recent filings

• Nov 7, 2025Granted 1,635 shares of Lam Research⁵
• Nov 8, 2024Granted 2,950 shares of Lam Research⁸
• Nov 13, 2023Exercised options 1,827 shares at $59.52 of Cognizant Technology Solutions⁶
• Nov 10, 2023Granted 369 shares of Lam Research⁹
• Nov 10, 2023Granted 86 shares of Lam Research⁹
• Sep 28, 2023Returned to company 4,863 shares of Syneos Health, Inc.⁷
• Sep 28, 2023Returned to company 22,629 shares at $43.00 of Syneos Health, Inc.⁷
• May 25, 2023Granted 4,863 shares of Syneos Health, Inc.¹⁰
• May 25, 2022Granted 2,839 shares of Syneos Health, Inc.¹¹