Updated: May 19, 2026

Michael Stubblefield

AVTRAvantor, Inc.SEC CIK: 0001776153
Estimated Net Worth
$79.7 Million4.0%vs Last Year
Last Updated: May 19, 2026 03:03 AM EST

Transaction Summary

Total Transactions32
Buy-Sell Ratio1.42
Buy Transactions17
Sell Transactions12

Transaction Volume

Total Volume$49.77M
Net Volume-$39.11M
Buy Volume$5.33M
Sell Volume$44.44M

Trade Analysis

AVG Trade Size$1.56M
Largest Trade$14.08M
Most Active MonthFeb
Most Active Year2023

Trading Sentiment

OverallBearish
Recent TradeBuying
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

Michael Stubblefield has an estimated net worth of $79.7 Million. This is based on reported shares across multiple companies, which include Avantor, Inc., and Ingersoll Rand Inc..



2021 was Michael Stubblefield's most active year for acquiring shares with 6 total transactions. Michael Stubblefield's most active month to acquire stocks was the month of January. 2021 was Michael Stubblefield's most active year for disposing of shares, totalling 11 transactions. Michael Stubblefield's most active month to dispose stocks was the month of January. 2020 saw Michael Stubblefield paying a total of $2,065,552.00 for 1,888,657 shares, this is the most they've acquired in one year. In 2020 Michael Stubblefield cashed out on 2,301,310 shares for a total of $15,805,940.44, their largest year based on trade value.

Holdings & Transactions

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