Evidence in favour
- 4 distinct acquisition events survive duplicate and security-type controls.
- Participation spans 8 named insiders rather than one filing source.
- The latest qualifying evidence is fresh, dated 10 Sep 2026.
Company insider dossier
Alphatec Holdings Inc insider intelligence
ATEC filings assessed for conviction, transaction quality, insider breadth, clustering, freshness, and price confirmation.
76/100
Conviction accumulation
78/100 confidence- Exchange
- NASDAQ
- Sector
- Healthcare
- Industry
- Medical Devices
- Latest evidence
- 10 Sep 2026
Investment committee read
Conviction accumulation
Priced common-share acquisitions carry more weighted evidence than disposals after freshness, role, size, and duplicate controls.
Research constructive setupsDecision risks
- Reported purpose is unavailable in this feed, so even priced common-share transactions need filing context.
Price confirmation map
Weekly price with common-share events
Acquisitions and disposals are aligned to the nearest completed weekly bar.
Mar 2025Sep 2026
Weekly closeCommon-share acquisitionCommon-share disposal
Market confirmation
Price and trend context
- Latest close
- 10.18 USD
- One-week move
- -3.8%
- Four-week move
- +7.4%
- Fair-value gap
- -14.3%
- Trend signal
- Inactive
- Relative strength
- -31.7
Directional balance
Controlled event mix
66.7%acquisition
- Acquisition events
- 4
- Disposal events
- 2
- Net value
- $1.9M
Cadence
Twelve-week filing pressure
Volume shows attention. Controlled events determine direction.
029 Jun
006 Jul
013 Jul
020 Jul
027 Jul
103 Aug
010 Aug
017 Aug
024 Aug
031 Aug
107 Sep
014 Sep
Named participants
Insider conviction by person
VALENTINE, KEITHDirector783 events
MILES, PATRICKDirector, CEO721 events
BERKOWITZ, MORTIMER IIIDirector500 events
BLACKFORD, QUENTIN S.Director500 events
DEMSKI, DAVID MDirector500 events
PELIZZON, DAVID RDirector500 events
MARSHALL, TYSON ELIOTGENERAL COUNSEL & CORP. SEC.281 events
MCGINNIS, KAREN KDirector281 events
Evidence quality
Security and transaction context
Role architecture
Who is participating
Transaction evidence
Auditable ATEC filing ledger
Showing 1 to 12 of 12.
MILES, PATRICKDirector, CEO
AcquisitionCommon equity
115000 sharesCommon Stock
$1.0MDirectional evidence
MARSHALL, TYSON ELIOTGENERAL COUNSEL & CORP. SEC.
DisposalCommon equity
8168 sharesCommon Stock
$78.8KDirectional evidence
MCGINNIS, KAREN KDirector
DisposalCommon equity
6050 sharesCommon Stock
$48.5KDirectional evidence
BERKOWITZ, MORTIMER IIIDirector
AcquisitionCommon equity
32012 sharesCommon Stock
Not reportedContext evidence
BLACKFORD, QUENTIN S.Director
AcquisitionCommon equity
32012 sharesCommon Stock
Not reportedContext evidence
DEMSKI, DAVID MDirector
AcquisitionCommon equity
32012 sharesCommon Stock
Not reportedContext evidence
MCGINNIS, KAREN KDirector
AcquisitionCommon equity
32012 sharesCommon Stock
Not reportedContext evidence
PELIZZON, DAVID RDirector
AcquisitionCommon equity
32012 sharesCommon Stock
Not reportedContext evidence
VALENTINE, KEITHDirector
AcquisitionCommon equity
32012 sharesCommon Stock
Not reportedContext evidence
VALENTINE, KEITHDirector
AcquisitionCommon equity
35000 sharesCommon Stock
$245.0KDirectional evidence
VALENTINE, KEITHDirector
AcquisitionCommon equity
43847 sharesCommon Stock
$330.6KDirectional evidence
VALENTINE, KEITHDirector
AcquisitionCommon equity
56153 sharesCommon Stock
$420.6KDirectional evidence
Reading the dossier
Direction and confidence are separate
Conviction
The 0 to 100 score classifies deduplicated priced common-share evidence. Fifty is balanced or non-directional.
Confidence
Confidence rises with controlled event depth, named-insider breadth, fresh evidence, normalized values, and a longer observation span.
Disposals
Selling is not treated as the mirror image of buying. It carries less directional weight because taxes, diversification, compensation, and planned transactions can all create sales.
Price confirmation
The market chart tests whether the filing thesis is being confirmed or rejected by price, fair-value position, relative strength, and the current trend state.
Independent market research for education. This classification is not investment advice, a recommendation, a forecast, or an execution instruction.