Arkolith/Insider Trading/MACK/Form 4

Newtyn Partners, LP

InsiderMERRIMACK PHARMACEUTICALS INC (MACK) · full profile →Form 4 · filed Feb 1, 2022
Net Buying
Open-Market Buys
$64K
Open-Market Sells
$0
Net Open-Market Flow
$64K
Transactions
4
4 non-derivative · 0 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Jan 31, 2022Buy(P)523$5.05$3K724K
Jan 31, 2022Buy(P)714$5.05$4K989K
Jan 28, 2022Buy(P)11K$4.48$51K724K
Jan 28, 2022Buy(P)2K$4.48$7K989K

Transaction Codes

P
Open-market purchase

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0000899243-22-003837) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML