InsiderTrades

Form 4 for ATEC Alphatec Holdings, Inc.

Accepted 2025-12-12 00:00:00 ET · period of report 2025-12-11 · accession 0001555392-25-000004 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2025-12-12 2025-12-11 ATEC Demski David M Dir S - Sale $21.20 -30.0K 399.6K -7% -$636.0K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-12-11 S D 30,000 $21.20 399,623 D — —