Arkolith/Insider Trading/MACK/Form 4

Andersen Eric

DirectorMERRIMACK PHARMACEUTICALS INC (MACK) · full profile →Form 4 · filed Dec 28, 2023
Net Buying
Open-Market Buys
$652K
Open-Market Sells
$0
Net Open-Market Flow
$652K
Transactions
2
2 non-derivative · 0 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Dec 28, 2023Buy(P)857$13.35$11K534K
Dec 26, 2023Buy(P)49K$13.15$640K533K

Transaction Codes

P
Open-market purchase

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0000950170-23-073585) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML