Arkolith/Insider Trading/MACK/Form 4

Newtyn Partners, LP

InsiderMERRIMACK PHARMACEUTICALS INC (MACK) · full profile →Form 4 · filed Jan 17, 2023
Net Buying
Open-Market Buys
$1.2M
Open-Market Sells
$0
Net Open-Market Flow
$1.2M
Transactions
1
1 non-derivative · 0 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Jan 12, 2023Buy(P)100K$11.90$1.2M1.1M

Transaction Codes

P
Open-market purchase

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0000899243-23-001838) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML