Updated: May 19, 2026

David Dieter

COLLCOLLEGIUM PHARMACEUTICAL, INCSEC CIK: 0002061438
Estimated Net Worth
$3.46 Million0.0%vs Last Year
Last Updated: May 19, 2026 11:58 PM EST

Transaction Summary

Total Transactions6
Buy-Sell Ratio0.67
Buy Transactions2
Sell Transactions3

Transaction Volume

Total Volume$1.16M
Net Volume-$901.96K
Buy Volume$130.01K
Sell Volume$1.03M

Trade Analysis

AVG Trade Size$193.66K
Largest Trade$488.1K
Most Active MonthMar
Most Active Year2026

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

David Dieter has an estimated net worth of $3.46 Million. This is based on reported shares in COLLEGIUM PHARMACEUTICAL, INC.



2026 was David Dieter's most active year for acquiring shares with 2 total transactions. David Dieter's most active month to acquire stocks was the month of January. 2026 was David Dieter's most active year for disposing of shares, totalling 4 transactions. David Dieter's most active month to dispose stocks was the month of February. 2025 saw David Dieter paying a total of $0.00 for 68,449 shares, this is the most they've acquired in one year. In 2026 David Dieter cashed out on 31,821 shares for a total of $1,161,985.37, their largest year based on trade value.

Holdings & Transactions

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