Arkolith/Insider Trading/MACK/Form 4

Newtyn Capital Partners, LP

InsiderMERRIMACK PHARMACEUTICALS INC (MACK) · full profile →Form 4 · filed Jun 21, 2022
Net Buying
Open-Market Buys
$8K
Open-Market Sells
$0
Net Open-Market Flow
$8K
Transactions
4
4 non-derivative · 0 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Jun 17, 2022Buy(P)385$5.97$2K742K
Jun 17, 2022Buy(P)515$5.97$3K1.0M
Jun 16, 2022Buy(P)223$5.45$1K742K
Jun 16, 2022Buy(P)297$5.45$2K1.0M

Transaction Codes

P
Open-market purchase

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0000899243-22-023332) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML