Demski David M

Alphatec Holdings, Inc. · Director

Demski David M is listed in public filings as director. This Demski David M insider trading page organizes Form 4 disclosures, reported purchases and sales, transaction dates, share amounts, related issuers, and historical insider activity so readers can review the person's public trading record in one place. Companies and tickers connected to this insider trading profile include Alphatec Holdings, Inc. (ATEC), Paragon 28, Inc. Common Stock (FNA), and Axonics, Inc. (AXNX). Investors use Demski David M's insider trading disclosures to study buying and selling patterns, position changes, company-specific activity, and the source evidence behind each reported transaction.

Latest Actions

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
Alphatec Holdings, Inc.ATEC$8.5M399.6k sharesSellDec 11, 2025$636.0K30k shares$21.20--

Insider Trades History

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
Alphatec Holdings, Inc.ATEC--429.6k sharesGrant / ExerciseJun 11, 2025Disclosure amount unavailable15.1k shares----
Paragon 28, Inc. Common StockFNA$074.3k sharesOtherApr 21, 2025$966.0K74.3k shares$13.00--
Alphatec Holdings, Inc.ATEC--414.5k sharesGrant / ExerciseDec 18, 2024Disclosure amount unavailable126.1k shares----
Paragon 28, Inc. Common StockFNA--74.3k sharesGrant / ExerciseDec 10, 2024Disclosure amount unavailable34.2k shares----
Axonics, Inc.AXNX$09.5k sharesOtherNov 15, 2024$677.5K9.5k shares$71.00--
Axonics, Inc.AXNX$010k sharesOtherNov 15, 2024$517.0K10k shares$51.70--
Alphatec Holdings, Inc.ATEC$1.6M288.4k sharesBuyAug 21, 2024$283.5K50k shares$5.67--
Alphatec Holdings, Inc.ATEC$1.6M238.4k sharesBuyAug 2, 2024$262.4K40k shares$6.56--
Alphatec Holdings, Inc.ATEC--198.4k sharesGrant / ExerciseJun 12, 2024Disclosure amount unavailable16.7k shares----