Skip to main content
Signal8

Alphatec Holdings, Inc. (ATEC)

Alphatec Holdings, Inc. (ATEC) Insider Trading

Directors, officers and holders of more than 10% of ATEC report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 50 most recent of 204 transactions on file: 5 with code P, 8 with code S and 37 with other codes.

DateInsiderCodeShares
Oct 30, 2026Demski David MP Purchase60,000
Oct 5, 2026Carls Thomas AndrewA Award200,000
Sep 10, 2026Miles PatrickP Purchase115,000
Aug 5, 2026Marshall Tyson EliotS Sale8,168
Jun 11, 2026MCGINNIS KAREN KS Sale6,050
Jun 10, 2026Pelizzon David RA Award32,012
Jun 10, 2026Demski David MA Award32,012
Jun 10, 2026MCGINNIS KAREN KA Award32,012
Jun 10, 2026Berkowitz Mortimer IIIA Award32,012
Jun 10, 2026Valentine KeithA Award32,012
Jun 10, 2026Blackford Quentin S.A Award32,012
May 11, 2026Valentine KeithP Purchase35,000
May 8, 2026Valentine KeithP Purchase43,847
May 7, 2026Valentine KeithP Purchase56,153
Apr 7, 2026Marshall Tyson EliotM Exercise60,000
Apr 7, 2026Marshall Tyson EliotF Tax Payment23,393
Apr 7, 2026Marshall Tyson EliotM Exercise12,500
Apr 7, 2026Marshall Tyson EliotM Exercise60,000
Apr 7, 2026Marshall Tyson EliotM Exercise15,000
Apr 7, 2026Marshall Tyson EliotM Exercise15,000
Apr 7, 2026Marshall Tyson EliotM Exercise15,000
Apr 7, 2026Marshall Tyson EliotM Exercise15,000
Apr 7, 2026Marshall Tyson EliotM Exercise12,500
Mar 13, 2026Koning John ToddS Sale79,789
Mar 13, 2026Lish ScottS Sale260,535
Mar 11, 2026Sponsel DavidS Sale163,452
Mar 9, 2026Hunsaker Craig ES Sale82,765
Mar 9, 2026Hunsaker Craig EG Gift600
Mar 6, 2026Hunsaker Craig ES Sale33,602
Mar 5, 2026Miles PatrickF Tax Payment219,749
Mar 5, 2026Koning John ToddF Tax Payment68,910
Mar 5, 2026Marshall Tyson EliotS Sale88,835
Feb 25, 2026Lish ScottA Award20,992
Feb 25, 2026Hunsaker Craig EA Award311,110
Feb 25, 2026Marshall Tyson EliotA Award205,094
Feb 25, 2026Hunsaker Craig EA Award127,378
Feb 25, 2026Marshall Tyson EliotA Award84,918
Feb 25, 2026Marshall Tyson EliotA Award12,840
Feb 25, 2026Hunsaker Craig EA Award20,992
Feb 25, 2026Sponsel DavidA Award205,094
Feb 25, 2026Sponsel DavidA Award93,410
Feb 25, 2026Miles PatrickA Award611,673
Feb 25, 2026Sponsel DavidA Award20,380
Feb 25, 2026Koning John ToddA Award205,094
Feb 25, 2026Miles PatrickA Award305,707
Feb 25, 2026Koning John ToddA Award110,394
Feb 25, 2026Koning John ToddA Award20,380
Feb 25, 2026Miles PatrickA Award48,913
Feb 25, 2026Lish ScottA Award311,110
Feb 25, 2026Lish ScottA Award127,378

The full Form 4 history is on the ATEC company page (Insider Trades card, View all).

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.