Updated: Sep 4, 2026

Stephen S Schwartz

ONTOONTO INNOVATION INC.SEC CIK: 0001247436
Estimated Net Worth
$62.3 Million
Last Updated: Sep 4, 2026 11:31 PM EST

Transaction Summary

Total Transactions89
Buy-Sell Ratio0.69
Buy Transactions35
Sell Transactions51

Transaction Volume

Total Volume$45.16M
Net Volume-$38.51M
Buy Volume$3.33M
Sell Volume$41.84M

Trade Analysis

AVG Trade Size$507.47K
Largest Trade$5.07M
Most Active MonthNov
Most Active Year2018

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

Stephen S Schwartz has an estimated net worth of $62.3 Million. This is based on reported shares across multiple companies, which include SPIRE INC, Azenta, Inc., ASYST TECHNOLOGIES INC /CA/, and ONTO INNOVATION INC..



2008 was Stephen S Schwartz's most active year for acquiring shares with 7 total transactions. Stephen S Schwartz's most active month to acquire stocks was the month of January. 2018 was Stephen S Schwartz's most active year for disposing of shares, totalling 15 transactions. Stephen S Schwartz's most active month to dispose stocks was the month of October. 2023 saw Stephen S Schwartz paying a total of $2,234,314.84 for 40,464 shares, this is the most they've acquired in one year. In 2019 Stephen S Schwartz cashed out on 167,432.49 shares for a total of $7,273,074.99, their largest year based on trade value.

Holdings & Transactions

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