MERRIMACK PHARMACEUTICALS IN (MACK) Stock Ownership

NASDAQ:MACK • US5903282094

Current stock price

15.13 USD
0 (0%)
At close:
15.16 USD
+0.03 (+0.2%)
After Hours:

MACK Ownership information

MACK Ownership Chart.MACK Ownership Chart: showing Insider, Institutional ownership and shares available to the public.MACK Ownership.InsiderInstitutionalPublic



Shares Outstanding14.79M
Float14.61M
Float Short Interest PercentageN/A
Owners (insider)32.31%
Owners (institutional)4.89%
Owners (insider) change0%
Owners (institutional) change0%
MACK Institutional Ownership HistoryMACK Institutional Ownership HistoryMACK Institutional Ownership History Dec 2025 Mar 2026 5K 10K 15K 20K

No transactions were filed in the last 12 months.