Insider trade

Alphatec Holdings (ATEC): Director bought ~$409K

David M Demski, Director at Alphatec Holdings, bought ~$409K of Alphatec Holdings shares.

~$409K
Approx. value · 60K sh @ $6.81
492K
Holds after · shares reported
Traded
Oct 30, 2026
Filed
Nov 2, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

  1. Oct 29, 2026Company filing · Form 8-K · ResultsReported its results
  2. Oct 30, 2026 · this disclosureInsider · First insider buy since Aug 2024Director purchased ~$409K of ATEC shares in the open market

What came next

  1. Nov 10, 2026Insider · First buy since 2024Director purchased ~$243K of ATEC shares in the open market
View the official recordSEC Form 4

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for Alphatec Holdings

For Alphatec Holdings, OQRO holds 2 insider filings (SEC Form 4 or Form 144) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its ATEC page.

How this filing works

Explore the data

Other disclosures at Alphatec Holdings

Everything OQRO holds on this company is on its ATEC page.

This is one filing. OQRO holds the rest

Insider trades filed with the SEC, stock trades disclosed by members of Congress, fund holdings from 13F filings and federal contract awards, each one in plain words next to its official filing. On this page it opens why the trade stands out, what the company did around that time, the price since, and every field of the form.

OQRO is free for everyone. No card, no trial

OQRO describes public disclosures and context calculated from them. It does not give personalized advice and does not recommend any transaction. How OQRO treats data