Dennis A. Ausiello

Companies

• Rani Therapeutics Holdings, Inc.Board member Jul 29, 2021 to now¹
• Seres Therapeutics, Inc.Board member Jun 25, 2015 to now²
• Alnylam PharmaceuticalsBoard member Apr 26, 2012 to now³
• PfizerBoard member Dec 4, 2006 to Apr 30, 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

• Alnylam Pharmaceuticals ALNY5,082 shares⁵$1.2M at $235.58May 22, 2026
• Pfizer PFE1,425 shares⁶$42.1K at $29.54Oct 19, 2009

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

Recent filings

• May 20, 2026Granted 671 shares of Alnylam Pharmaceuticals⁵
• Aug 14, 2025Sold 641 shares at $442.66 of Alnylam Pharmaceuticals⁷
• Aug 14, 2025Sold 1,205 shares at $441.88 of Alnylam Pharmaceuticals⁷
• Aug 14, 2025Sold 1,238 shares at $440.54 of Alnylam Pharmaceuticals⁷
• Aug 14, 2025Sold 5,302 shares at $439.27 of Alnylam Pharmaceuticals⁷
• Aug 14, 2025Sold 2,086 shares at $438.34 of Alnylam Pharmaceuticals⁷
• Aug 14, 2025Sold 1,922 shares at $437.56 of Alnylam Pharmaceuticals⁷
• Aug 14, 2025Sold 5,358 shares at $436.00 of Alnylam Pharmaceuticals⁷
• Aug 14, 2025Sold 7,675 shares at $435.40 of Alnylam Pharmaceuticals⁷
• Aug 14, 2025Sold 2,098 shares at $434.50 of Alnylam Pharmaceuticals⁷
• Aug 14, 2025Sold 1,938 shares at $432.94 of Alnylam Pharmaceuticals⁷
• Aug 14, 2025Sold 1,985 shares at $430.81 of Alnylam Pharmaceuticals⁷
• Aug 14, 2025Exercised options 3,454 shares at $189.87 of Alnylam Pharmaceuticals⁷
• Aug 14, 2025Exercised options 4,032 shares at $171.95 of Alnylam Pharmaceuticals⁷
• Aug 14, 2025Exercised options 5,228 shares at $151.22 of Alnylam Pharmaceuticals⁷
• Aug 14, 2025Exercised options 4,581 shares at $148.77 of Alnylam Pharmaceuticals⁷
• Aug 14, 2025Exercised options 5,153 shares at $128.31 of Alnylam Pharmaceuticals⁷
• Aug 14, 2025Exercised options 9,000 shares at $72.01 of Alnylam Pharmaceuticals⁷
• May 8, 2025Granted 775 shares of Alnylam Pharmaceuticals⁸
• Aug 6, 2024Sold 262 shares at $266.45 of Alnylam Pharmaceuticals⁹
• Aug 6, 2024Sold 632 shares at $264.95 of Alnylam Pharmaceuticals⁹
• Aug 6, 2024Sold 3,408 shares at $263.72 of Alnylam Pharmaceuticals⁹
• Aug 6, 2024Sold 4,367 shares at $262.79 of Alnylam Pharmaceuticals⁹
• Aug 6, 2024Sold 6,212 shares at $261.63 of Alnylam Pharmaceuticals⁹
• Aug 6, 2024Sold 3,742 shares at $260.40 of Alnylam Pharmaceuticals⁹