Updated: May 23, 2026

David W Anstice

ALKSAlkermes plc.SEC CIK: 0001181171
Estimated Net Worth
$5.92 Million
Last Updated: May 23, 2026 12:00 AM EST

Transaction Summary

Total Transactions43
Buy-Sell Ratio2.55
Buy Transactions28
Sell Transactions11

Transaction Volume

Total Volume$5.75M
Net Volume-$3.37M
Buy Volume$1.19M
Sell Volume$4.56M

Trade Analysis

AVG Trade Size$133.74K
Largest Trade$2.17M
Most Active MonthMay
Most Active Year2008

Trading Sentiment

OverallBearish
Recent TradeNeutral
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 W Anstice has an estimated net worth of $5.92 Million. This is based on reported shares across multiple companies, which include Alkermes plc., ALKERMES INC, and MERCK & CO INC.



2008 was David W Anstice's most active year for acquiring shares with 6 total transactions. David W Anstice's most active month to acquire stocks was the month of April. 2004 was David W Anstice's most active year for disposing of shares, totalling 16 transactions. David W Anstice's most active month to dispose stocks was the month of July. 2006 saw David W Anstice paying a total of $4,558,759.17 for 147,699 shares, this is the most they've acquired in one year. In 2004 David W Anstice cashed out on 344,375 shares for a total of $6,769,916.13, their largest year based on trade value.

Holdings & Transactions

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