Skip to content

Insider · CIK 0001555392

David M Demski

director

Files at ATEC (Alphatec Holdings, Inc.), FNA (Paragon 28, Inc.), AXNX (Axonics, Inc.). First filing -, latest -.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 0
$0 bought, $0 sold

Signals

This insider’s open-market buys and sells, scored.

No scored open-market trades yet.

Transactions

Every row this insider has filed, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Jun 11, 2025ATEC
Alphatec Holdings, Inc.
AGrant or award
Common Stock
+15,131$0.00$0429,623Jun 13, 2025
Dec 18, 2024ATEC
Alphatec Holdings, Inc.
AGrant or award
Common Stock
+126,051--414,492Dec 18, 2024
Dec 10, 2024FNA
Paragon 28, Inc.
AGrant or award
Common Stock
+34,207$0.00$074,307Dec 12, 2024
Nov 15, 2024AXNX
Axonics, Inc.
DDisposition to issuer
Common Stock
-9,542$71.00$677k0Nov 15, 2024
Nov 15, 2024AXNX
Axonics, Inc.
DDisposition to issuer
Stock Options (Right to buy)derivative
-10,000$19.30$193k0Nov 15, 2024

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

David M Demski: insider trades and track record | InsiderTell