BlackRock, Inc. (BLK) 13D/13G Filings for Collegium Pharmaceutical, Inc. (COLL)

BlackRock, Inc. 13D and 13G filings for Collegium Pharmaceutical, Inc.:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Shares have been adjusted for stock splits.
Time period
Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2025-04-28
07:56 am
Sale
2025-03-3113GCOLLEGIUM PHARMACEUTICAL INC C
COLL
BlackRock Inc.
BLK
4,997,827
15.600%
-788,700decrease
(-13.63%)
Filing
2024-01-19
2:40 pm
Purchase
2023-12-3113GCOLLEGIUM PHARMACEUTICAL INC C
COLL
BlackRock Inc.
BLK
5,786,527
17.700%
55,222increase
(+0.96%)
Filing
2023-01-30
09:55 am
Purchase
2022-12-3113GCOLLEGIUM PHARMACEUTICAL INC C
COLL
BlackRock Inc.
BLK
5,731,305
17.100%
99,645increase
(+1.77%)
Filing
2022-01-28
2:07 pm
Sale
2021-12-3113GCOLLEGIUM PHARMACEUTICAL INC C
COLL
BlackRock Inc.
BLK
5,631,660
16.300%
-244,012decrease
(-4.15%)
Filing