Updated: May 19, 2026

John Todd Koning

ATECAlphatec Holdings, Inc.SEC CIK: 0001830843
Estimated Net Worth
$12.7 Million5.7%vs Last Year
Last Updated: May 19, 2026 11:49 PM EST

Transaction Summary

Total Transactions25
Buy-Sell Ratio0.77
Buy Transactions10
Sell Transactions13

Transaction Volume

Total Volume$8.29M
Net Volume-$6.62M
Buy Volume$835.56K
Sell Volume$7.46M

Trade Analysis

AVG Trade Size$331.67K
Largest Trade$1.62M
Most Active MonthFeb
Most Active Year2025

Trading Sentiment

OverallBearish
Recent TradeSelling
Last 90 Days0 Trades
ConvictionNone

Net Worth & Trading Activity Over Time

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Monthly Trading Pattern

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Past Insider Trading and Trends

John Todd Koning has an estimated net worth of $12.7 Million. This is based on reported shares across multiple companies, which include Alphatec Holdings, Inc., and MASIMO CORP.



2026 was John Todd Koning's most active year for acquiring shares with 5 total transactions. John Todd Koning's most active month to acquire stocks was the month of January. 2025 was John Todd Koning's most active year for disposing of shares, totalling 4 transactions. John Todd Koning's most active month to dispose stocks was the month of February. 2021 saw John Todd Koning paying a total of $427,682.59 for 196,483 shares, this is the most they've acquired in one year. In 2024 John Todd Koning cashed out on 183,554 shares for a total of $2,505,919.34, their largest year based on trade value.

Holdings & Transactions

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