Arkolith/Insider Trading/SI/Form 4

Ball Robert Joseph

CEO & Executive Chairman, DirectorSHOULDER INNOVATIONS, INC. (SI) · full profile →Form 4 · filed Dec 15, 2025
Net Buying
Open-Market Buys
$107K
Open-Market Sells
$0
Net Open-Market Flow
$107K
Transactions
2
2 non-derivative · 0 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Dec 12, 2025Buy(P)4K$14.89$58K118K
Dec 11, 2025Buy(P)3K$14.83$49K115K

Transaction Codes

P
Open-market purchase

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001628280-25-057067) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML