FORM4API
ExploreSearch any ticker for its insider tradesFilingsThe newest Form 4 filings, market-wideForm 144Intent to sell, filed before the trade13F FilersInstitutional 13F-HR filers by AUMSignalsCluster buy & sell signalsScreenerFilter trades by code, size & returnCongressSTOCK Act trades disclosed by Congress
PricingDocs
SEC Form 4 explainedSEC Form 144 explained13F-HR filings explainedCluster buy signals10b5-1 trading plans
All guides →
Sign inGet a key

Company profile

Alphatec Holdings, Inc. Insider Trading

ATEC

Every SEC Form 4 insider trading filing for Alphatec Holdings, Inc. (ATEC) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?

Exchange
Nasdaq
Sector
Surgical & Medical Instruments & Apparatus
CIK
0001350653
Filings
195
Insiders
24
Last filing
2026-08-05
SEC EDGAR ↗Yahoo Finance ↗Finviz ↗Stock Analysis ↗

Activity summary

No discretionary insider buying or selling in the last 30 days. The 1 transaction filed was made under a 10b5-1 plan, scheduled in advance rather than decided on the day.

Three year balance

Buy and sell value by quarter, Q4 23 to Q3 26. Alphatec Holdings, Inc. insiders are net sellers across the period shown.

Q4 23Q1 24Q2 24Q3 24Q4 24Q1 25Q2 25Q3 25Q4 25Q1 26Q2 26Q3 26

Bars below the rule are sales, above are purchases. Largest quarter on the chart is $85.7M.

90 day insight

Over the last 90 days, Alphatec Holdings, Inc. insiders bought $0 across 6 transactions with no open-market sales.

  • Most active insider: McGinnis Karen K with 2 transactions totaling $48K.
  • Largest single sale: $79K by Marshall Tyson Eliot on Aug 5, 2026.
  • 100% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.

Activity skews bullish — buys outpace sales.

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValue1d1w1m3m6m
Aug 5, 2026Marshall Tyson EliotATEC
Sale10b5
8,168$9.65$79K+1.7%+5.2%———
Jun 11, 2026McGinnis Karen KATEC
Sale10b5
6,050$8.01$48K+0.1%+3.3%+9.2%——
Jun 10, 2026Berkowitz Mortimer IIIATEC
Award
32,012——+0.1%+3.3%+9.2%——
Jun 10, 2026Blackford Quentin S.ATEC
Award
32,012——+0.1%+3.3%+9.2%——
Jun 10, 2026Pelizzon David RATEC
Award
32,012——+0.1%+3.3%+9.2%——

45 more transactions hidden

Free account · No credit card required

Building something? Get API access →

Query this yourself

The same rows, over the API.

curl "https://api.form4api.com/v1/transactions?ticker=ATEC" \
  -H "X-Api-Key: $KEY"
Get a key

Top insiders

By total value filed.

Lish ScottCHIEF OPERATING OFFICER1 filing−$3.2M
Miles PatrickCEO1 filing−$2.8M
Sponsel DavidEVP, SALES1 filing−$2.0M
Koning John ToddCHIEF FINANCIAL OFFICER2 filings−$1.9M
Marshall Tyson EliotGENERAL COUNSEL & CORP. SEC.7 filings−$1.2M

Institutional Ownership

Top 13F-HR holders of Alphatec Holdings, Inc. as of 2026-06-30

↓ decreasing
Total reported AUM
$298.0M
QoQ change
-76.6%
Reporting period
2026-06-30
#1
BlackRock, Inc.
CIK 0002012383
$45.4M
5.3M shares
#2
BlackRock, Inc.
CIK 0002012383
$34.6M
4.0M shares
#3
State Street Corp
CIK 0000093751
$30.1M
3.5M shares

Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

FORM4API

Real-time SEC Form 4, Form 144, 13F-HR and congressional trading data, over a REST API and webhooks.

Data
  • Screener
  • Filings
  • Signals
  • Companies
  • Insiders
  • Congress trades
  • 13F filers
  • Explorer
  • Top insiders
Developers
  • Documentation
  • Insider trading API
  • Python SDK
  • TypeScript SDK
  • MCP server
  • Status
Company
  • Pricing
  • Guides
  • Compare
  • About
  • Data quality
  • Privacy
  • Terms
Form4API, StockholmNot affiliated with the SEC or EDGAR. Data sourced from public EDGAR filings. Not investment advice.

Popular companies on Form4API

Browse insider trading activity for other actively-filed companies.

TEAMAtlassian CorpLEGLeggett & Platt IncVZVerizon Communications IncTPLTexas Pacific Land CorpCRMSalesforce, Inc.METAMeta Platforms, Inc.RCGRENN Fund, Inc.ACNAccenture plcPPGPpg Industries IncNFLXNetflix IncCHDChurch & Dwight Co Inc /de/