SEC CIK 1555392

Demski David M

Reported ownership across 2 companies, sourced from SEC Form 4 filings and updated daily.

Current Positions

CompanyShares OwnedAs Of
ATECview stock →431,6352026-06-10
GMEDview stock →02021-04-26

Position History — ATEC

Reported shares owned immediately after each Form 4 transaction, over time.

0143,878287,757431,6352023-102023-102023-102023-112024-062024-082024-082024-122025-062025-122026-06

Recent Filings — ATEC

DateActivitySharesPriceOwned After
2026-06-10Grant / award32,012$0.00431,635
2025-12-11Open-market sale30,000$21.20399,623
2025-06-11Grant / award15,131$0.00429,623
2024-12-18Grant / award126,051—414,492
2024-08-21Open-market buy50,000$5.67288,441
2024-08-02Open-market buy40,000$6.56238,441
2024-06-12Grant / award16,747$0.00198,441
2023-11-09Open-market buy30,000$10.50181,694
2023-10-17———120,000
2023-10-17Grant / award23,852$0.00151,694
2023-10-17Grant / award7,842$0.00127,842

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.