Updated: May 19, 2026

Seth L. Kaplan

GFFGRIFFON CORPSEC CIK: 0001491551
Estimated Net Worth
$22.4 Million31.8%vs Last Year
Last Updated: May 19, 2026 11:38 PM EST

Transaction Summary

Total Transactions36
Buy-Sell Ratio0.84
Buy Transactions16
Sell Transactions19

Transaction Volume

Total Volume$13.18M
Net Volume-$11.93M
Buy Volume$624.88K
Sell Volume$12.56M

Trade Analysis

AVG Trade Size$366.13K
Largest Trade$2.47M
Most Active MonthNov
Most Active Year2021

Trading Sentiment

OverallBearish
Recent TradeSelling
Last 90 Days0 Trades
ConvictionNone

Net Worth & Trading Activity Over Time

Loading chart

Monthly Trading Pattern

Loading chart

Past Insider Trading and Trends

Seth L. Kaplan has an estimated net worth of $22.4 Million. This is based on reported shares across multiple companies, which include GRIFFON CORP, and INSTRUMENTATION SERVICES INC.



2011 was Seth L. Kaplan's most active year for acquiring shares with 3 total transactions. Seth L. Kaplan's most active month to acquire stocks was the month of October. 2024 was Seth L. Kaplan's most active year for disposing of shares, totalling 8 transactions. Seth L. Kaplan's most active month to dispose stocks was the month of October. 2011 saw Seth L. Kaplan paying a total of $118,167.00 for 10,000 shares, this is the most they've acquired in one year. In 2024 Seth L. Kaplan cashed out on 59,147 shares for a total of $4,394,352.55, their largest year based on trade value.

Holdings & Transactions

Loading…
Loading…