Arkolith/Insider Trading/MACK/Form 4

Andersen Eric

DirectorMERRIMACK PHARMACEUTICALS INC (MACK) · full profile →Form 4 · filed Aug 9, 2023
Net Buying
Open-Market Buys
$2.7M
Open-Market Sells
$0
Net Open-Market Flow
$2.7M
Transactions
4
4 non-derivative · 0 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Aug 8, 2023Buy(P)19K$12.00$224K426K
Aug 8, 2023Buy(P)68K$12.00$821K1.6M
Aug 7, 2023Buy(P)85K$12.00$1.0M1.5M
Aug 7, 2023Buy(P)50K$12.00$598K407K

Transaction Codes

P
Open-market purchase

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0000950170-23-040559) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML