Arkolith/Insider Trading/MACK/Form 4

Andersen Eric

DirectorMERRIMACK PHARMACEUTICALS INC (MACK) · full profile →Form 4 · filed Nov 14, 2023
Net Buying
Open-Market Buys
$662K
Open-Market Sells
$0
Net Open-Market Flow
$662K
Transactions
4
4 non-derivative · 0 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Nov 13, 2023Buy(P)3K$12.39$42K449K
Nov 13, 2023Buy(P)12K$12.39$151K1.6M
Nov 10, 2023Buy(P)8K$12.32$102K445K
Nov 10, 2023Buy(P)30K$12.32$367K1.6M

Transaction Codes

P
Open-market purchase

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0000950170-23-063800) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML