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The company

Alphatec Holdings, Inc.

ATEC · Nasdaq

Health CareMedical DevicesAbove a falling average

ATEC stood above a rising 150-day average in 13 of the last 52 weekly readings, and has been out of that trend for the last 39 weeks. It is 8.5% above that average now. Medical Devices: 27% of its 181 stocks in an uptrend (−7 points in four weeks); Health Care: 26% (−10 points in four weeks).

SEC filings

Statistics

Rotation: Above a falling average
Weeks in an uptrend: out for 39
Industry in uptrend: 27% -7 in 4 wk
Insider buys, 12 months: $4.0M
Insider sales, 12 months: $108.2M
Officials’ trades on record: 0
Institutions holding: 257 (-11)

In the rotation

Each square a week: lit when it closed above a rising 150-day average. 13 of 52 weeks.

20 Apr – 19 Oct

Medical Devices: A minority of its stocks are in an uptrend and the share has been slipping. Health Care: A minority of its stocks are in an uptrend and the share has fallen sharply over four weeks.

Money in and out

1 Nov 2024 – 1 Oct 2026

Open-market buys above the line and sales below, in dollars.

Congress and officials

No member of Congress or official has disclosed a trade in it.

Insiders

Buy orders, 12 months4

Sale orders, 12 months42

Buyers · sellers2 · 13

Who	Did	Shares	Traded
Patrick MilesCEO	bought	115,000at $8.81	10 Sep 2026filed 10 Sep 2026
Tyson Eliot MarshallGENERAL COUNSEL & CORP. SEC.	sold	8,168at $9.65	5 Aug 2026filed 7 Aug 2026
Karen K. McGinnisDirector	sold	6,050at $8.01	11 Jun 2026filed 12 Jun 2026
Keith ValentineDirector	bought	35,000at $7.00	11 May 2026filed 11 May 2026
Keith ValentineDirector	bought	43,847at $7.54	8 May 2026filed 11 May 2026
Keith ValentineDirector	bought	56,153at $7.49	7 May 2026filed 11 May 2026
John Todd KoningCHIEF FINANCIAL OFFICER	sold	79,789at $12.36	13 Mar 2026filed 17 Mar 2026
Scott LishCHIEF OPERATING OFFICER	sold	260,535at $12.30	13 Mar 2026filed 17 Mar 2026
David SponselEVP, SALES	sold	163,452at $12.52	11 Mar 2026filed 13 Mar 2026
Craig E. HunsakerEVP, PEOPLE & CULTURE	sold	82,765at $12.45	9 Mar 2026filed 10 Mar 2026
Craig E. HunsakerEVP, PEOPLE & CULTURE	sold	33,602at $12.22	6 Mar 2026filed 10 Mar 2026
Tyson Eliot MarshallGENERAL COUNSEL & CORP. SEC.	sold	88,835at $12.49	5 Mar 2026filed 9 Mar 2026

Lines filed since 2 January 2026, newest first; every insider’s older lines are on their own page.

Institutions

Holders257-11 on the quarter

New · exited42 · 55

Reported value$969.1M

Quarter to 30 Jun 2026, against 31 Mar 2026; newest filing 31 Aug 2026.

Manager	Shares	Change
BlackRock, Inc.added · filed 7 Aug 2026	11,326,677$98.0M	+1,238,495+12.3%
BRAIDWELL LPadded · filed 14 Aug 2026	6,531,439$56.5M	+4,358,714+200.6%
AMERICAN CENTURY COMPANIES INCadded · filed 12 Aug 2026	6,521,659$56.4M	+96,882+1.5%
VANGUARD CAPITAL MANAGEMENT LLCadded · filed 13 Aug 2026	5,122,681$44.3M	+208,902+4.3%
BNP PARIBAS ASSET MANAGEMENT Holding S.A.reduced · filed 13 Aug 2026	3,536,538$30.6M	-79,792−2.2%
STATE STREET CORPadded · filed 7 Aug 2026	3,481,349$30.1M	+450,185+14.9%
JACOBS LEVY EQUITY MANAGEMENT, INCnew · filed 14 Aug 2026	3,352,133$29.0M	+3,352,133
GEODE CAPITAL MANAGEMENT, LLCadded · filed 12 Aug 2026	3,188,894$27.6M	+282,472+9.7%
ROYAL BANK OF CANADAreduced · filed 14 Aug 2026	2,995,410$25.9M	-1,521,182−33.7%
Nuveen, LLCreduced · filed 11 Aug 2026	2,601,600$22.5M	-247,813−8.7%