LYTIR

Company · ATEC

Alphatec Holdings, Inc.

Nasdaq's symbol directory lists ATEC on Nasdaq as “Alphatec Holdings, Inc. - Common Stock”.

In the 12 months to Nov 8, 2026: insiders bought on 2 occasions ($1.4M); insiders sold on 1 occasion ($79K); 1 company report (Form 8-K, since May 26, 2026).

All insider filings at the SEC

Insider purchases and sales, by month (last 12 months)Insider purchases: $1.4M in total; Insider sales: $79K in total.Aug: Insider sales $79KSep: Insider purchases $1.0MOct: Insider purchases $409KDecJanFebMarAprMayJunJulAugSepOctNov
Insider purchases above the line: $1.4MInsider sales below: $79K
Dollar value of open-market purchases and sales reported on SEC Form 4, by the month traded. Sales include pre-arranged 10b5-1 plan sales.

Insider trades · SEC Form 4

Those inside the hall

Open-market purchases and sales only. Legs one person filed for one day are combined.

Who traded

  1. Miles Patrick, CEO bought on 1 day latest Sep 10, 2026 bought $1.0M
  2. Demski David M bought on 1 day latest Oct 30, 2026 bought $409K
  3. Marshall Tyson Eliot, GENERAL COUNSEL & CORP. SEC. sold on 1 day all under a 10b5-1 plan latest Aug 5, 2026 sold $79K
Every trade (3)
  1. BUYDemski David M bought Oct 30, 2026 60,000 shares 10b5-1 plan (scheduled) filing $409K
  2. BUYMiles Patrick, CEO bought Sep 10, 2026 115,000 shares filing $1.0M
  3. SELLMarshall Tyson Eliot, GENERAL COUNSEL & CORP. SEC. sold Aug 5, 2026 8,168 shares 10b5-1 plan (scheduled) filing $79K

Company reports · SEC Form 8-K

In its own words

Current reports the company filed with the SEC; most items are due within four business days of the event. Each line lists the report's items by the SEC's own titles; the filing says what happened. Reports collected since May 26, 2026; every 8-K at the SEC.

  1. Results of operations and financial condition filing Oct 29, 2026

Sources: SEC EDGAR (Forms 4, 144 and 8-K) and STOCK Act periodic transaction reports. Filings can be late, amended or wrong at the source; see methodology.