BlackRock Portfolio Management LLC

10% OwnerYork Space Systems Inc. (YSS) · full profile →Form 4 · filed Aug 10, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$4.5M
Net Open-Market Flow
-$4.5M
Transactions
2
2 non-derivative · 0 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Aug 7, 2026Sell(S)200K$10.99$2.2M16.5M
Aug 6, 2026Sell(S)202K$11.60$2.3M16.7M

Transaction Codes

S
Open-market sale

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0002052113-26-000811) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

Build

Ask your agent about YSS insider filings

This filing is the Follow view. The Build view lets your agent pull every Form 4 for the issuer, the net open-market picture over 90 days, and the accession behind each row, through REST or MCP.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/filing/0002052113-26-000811"
Ask your agent
Use Arkolith to summarize insider buying and selling at York Space Systems Inc.
over the last 90 days and cite the filings.