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Alphatec Holdings

ATEC ManufacturingInstruments
Transactions reported in official disclosures

Price with disclosed trades

Daily closes, past year · marks sit on transaction dates, sized by value

12 trades

Reporting person Filed Transaction Transaction value Source
Valentine Keith Director Nov 10, 2026 Same-day filing Buy Nov 10, 2026 $242.55K Filed shares x price SEC Form 4 View filing
Demski David M Director Nov 2, 2026 3-day lag Buy Oct 30, 2026 $408.6K Filed shares x price SEC Form 4 View filing
Carls Thomas Andrew EVP, Data & Imaging Solutions Oct 5, 2026 Same-day filing Award Oct 5, 2026 $0 Filed shares x price SEC Form 4 View filing
Miles Patrick CEO Sep 10, 2026 Same-day filing Buy Sep 10, 2026 $1.01M Filed shares x price SEC Form 4 View filing
Marshall Tyson Eliot General Counsel & Corp. Sec. Aug 7, 2026 2-day lag Sale Aug 5, 2026 $78.82K Filed shares x price SEC Form 4 View filing
Mcginnis Karen K Director Jun 12, 2026 1-day lag Sale Jun 11, 2026 $48.46K Filed shares x price SEC Form 4 View filing
Mcginnis Karen K Director Jun 12, 2026 2-day lag Award Jun 10, 2026 $0 Filed shares x price SEC Form 4 View filing
Pelizzon David R Director Jun 12, 2026 2-day lag Award Jun 10, 2026 $0 Filed shares x price SEC Form 4 View filing
Valentine Keith Director Jun 12, 2026 2-day lag Award Jun 10, 2026 $0 Filed shares x price SEC Form 4 View filing
Berkowitz Mortimer Iii Director Jun 12, 2026 2-day lag Award Jun 10, 2026 $0 Filed shares x price SEC Form 4 View filing
Demski David M Director Jun 12, 2026 2-day lag Award Jun 10, 2026 $0 Filed shares x price SEC Form 4 View filing
Blackford Quentin S. Director Jun 12, 2026 2-day lag Award Jun 10, 2026 $0 Filed shares x price SEC Form 4 View filing
Valentine Keith Director
Buy
Calculated transaction value
$242.55K 35,000 shares @ $6.93
Traded
Nov 10, 2026
Filed
Nov 10, 2026
SEC Form 4
View filing Trade details
Demski David M Director
Buy
Calculated transaction value
$408.6K 60,000 shares @ $6.81
Traded
Oct 30, 2026
Filed
Nov 2, 2026
SEC Form 4
View filing Trade details
Carls Thomas Andrew EVP, Data & Imaging Solutions
Award
Calculated transaction value
$0 200,000 shares @ $0
Traded
Oct 5, 2026
Filed
Oct 5, 2026
SEC Form 4
View filing Trade details
Miles Patrick CEO
Buy
Calculated transaction value
$1.01M 115,000 shares @ $8.81
Traded
Sep 10, 2026
Filed
Sep 10, 2026
SEC Form 4
View filing Trade details
Marshall Tyson Eliot General Counsel & Corp. Sec.
Sale
Calculated transaction value
$78.82K 8,168 shares @ $9.65
Traded
Aug 5, 2026
Filed
Aug 7, 2026
SEC Form 4
View filing Trade details
Mcginnis Karen K Director
Sale
Calculated transaction value
$48.46K 6,050 shares @ $8.01
Traded
Jun 11, 2026
Filed
Jun 12, 2026
SEC Form 4
View filing Trade details
Mcginnis Karen K Director
Award
Calculated transaction value
$0 32,012 shares @ $0
Traded
Jun 10, 2026
Filed
Jun 12, 2026
SEC Form 4
View filing Trade details
Pelizzon David R Director
Award
Calculated transaction value
$0 32,012 shares @ $0
Traded
Jun 10, 2026
Filed
Jun 12, 2026
SEC Form 4
View filing Trade details
Valentine Keith Director
Award
Calculated transaction value
$0 32,012 shares @ $0
Traded
Jun 10, 2026
Filed
Jun 12, 2026
SEC Form 4
View filing Trade details
Berkowitz Mortimer Iii Director
Award
Calculated transaction value
$0 32,012 shares @ $0
Traded
Jun 10, 2026
Filed
Jun 12, 2026
SEC Form 4
View filing Trade details
Demski David M Director
Award
Calculated transaction value
$0 32,012 shares @ $0
Traded
Jun 10, 2026
Filed
Jun 12, 2026
SEC Form 4
View filing Trade details
Blackford Quentin S. Director
Award
Calculated transaction value
$0 32,012 shares @ $0
Traded
Jun 10, 2026
Filed
Jun 12, 2026
SEC Form 4
View filing Trade details

Showing 1 to 12 of 12 entries

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