ATEC Stock: Insider Activity, Filings & Research

Alphatec Holdings, Inc. (ATEC)Drillr’s hub for ATEC insider activity, SEC filings, earnings signals and AI research. Over the trailing 3 months, ATEC insiders filed 3 open-market buys and 6 sales (SEC Form 4).

ATEC insider trading activity (SEC Form 4)

Sentiment
10/100
Buys (3m)
3
Sells (3m)
6
Net (3m)
-$7.8M
Insiders buying
Insider trades by month Buys Sells
Nov
Dec
Jan
Feb
Mar
May
Context3-month price -40.9%Institutions accumulating (13F)
DateInsiderTypeSharesPrice
May 11, 2026Valentine KeithdirectorBuy56,153$7.49
May 11, 2026Valentine KeithdirectorBuy35,000$7.00
May 11, 2026Valentine KeithdirectorBuy43,847$7.54
Apr 9, 2026Marshall Tyson Eliotofficer: GENERAL COUNSEL & CORP. SEC.Option12,500$3.34
Apr 9, 2026Marshall Tyson Eliotofficer: GENERAL COUNSEL & CORP. SEC.Option60,000$2.69
Apr 9, 2026Marshall Tyson Eliotofficer: GENERAL COUNSEL & CORP. SEC.Option15,000$1.98
Apr 9, 2026Marshall Tyson Eliotofficer: GENERAL COUNSEL & CORP. SEC.Tax23,393$11.03
Mar 17, 2026Lish Scottofficer: CHIEF OPERATING OFFICERSell260,535$12.30
Mar 17, 2026Koning John Toddofficer: CHIEF FINANCIAL OFFICERSell79,789$12.36
Mar 13, 2026Sponsel Davidofficer: EVP, SALESSell163,452$12.52
Mar 10, 2026Hunsaker Craig Eofficer: EVP, PEOPLE & CULTURESell82,765$12.45
Mar 10, 2026Hunsaker Craig Eofficer: EVP, PEOPLE & CULTURESell33,602$12.22
Mar 9, 2026Marshall Tyson Eliotofficer: GENERAL COUNSEL & CORP. SEC.Sell88,835$12.49
Mar 9, 2026Koning John Toddofficer: CHIEF FINANCIAL OFFICERTax68,910$12.57
Mar 9, 2026Miles Patrickdirector, officer: CEOTax219,749$12.57

Source: ATEC SEC Form 4 filings, latest May 11, 2026. For informational purposes only — not investment advice.

Track ATEC with Drillr

SEC filings, earnings calls, insider activity, alt-data signals — all queryable through Drillr's AI terminal and MCP API.

Try Drillr for free