William A. Sullivan

Chief Financial Officer, MERRIMACK PHARMACEUTICALS INC.

Companies

Zivo Bioscience, Inc.Chief financial officer Dec 29, 2025 to now¹
Applied Genetic Technologies CorporationChief financial officer Aug 9, 2017 to Aug 7, 2020²
MERRIMACK PHARMACEUTICALS INCPrincipal Accounting Officer Feb 10, 2016 to Feb 10, 2016³
MERRIMACK PHARMACEUTICALS INCChief financial officer Feb 1, 2012 to Jul 17, 2015⁴

Holdings

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

Shares held

Zivo Bioscience, Inc. ZIVO0 shares⁵Dec 29, 2025

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

Sources

The numbers on this page point here. Each one links to the record it came from.

1
SEC EDGARZivo Bioscience, Inc., Chief financial officer
2
SEC EDGARApplied Genetic Technologies Corporation, Chief financial officer
3
SEC EDGARMERRIMACK PHARMACEUTICALS INC, Principal Accounting Officer
4
SEC EDGARMERRIMACK PHARMACEUTICALS INC, Chief financial officer
5
SEC EDGARZivo Bioscience, Inc. shares after the filing of Dec 29, 2025