Updated: May 18, 2026

Mark J Alles

BMRNBIOMARIN PHARMACEUTICAL INCSEC CIK: 0001538897
Estimated Net Worth
$28.5 Million
Last Updated: May 18, 2026 04:29 PM EST

Transaction Summary

Total Transactions75
Buy-Sell Ratio3.38
Buy Transactions54
Sell Transactions16

Transaction Volume

Total Volume$32.89M
Net Volume-$14.79M
Buy Volume$9.05M
Sell Volume$23.84M

Trade Analysis

AVG Trade Size$438.49K
Largest Trade$11.25M
Most Active MonthFeb
Most Active Year2018

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

Mark J Alles has an estimated net worth of $28.5 Million. This is based on reported shares across multiple companies, which include Turning Point Therapeutics, Inc., BIOMARIN PHARMACEUTICAL INC, Syros Pharmaceuticals, Inc., and CELGENE CORP /DE/.



2015 was Mark J Alles's most active year for acquiring shares with 44 total transactions. Mark J Alles's most active month to acquire stocks was the month of January. 2015 was Mark J Alles's most active year for disposing of shares, totalling 42 transactions. Mark J Alles's most active month to dispose stocks was the month of January. 2013 saw Mark J Alles paying a total of $6,330,262.96 for 199,471 shares, this is the most they've acquired in one year. In 2013 Mark J Alles cashed out on 244,966 shares for a total of $16,397,873.10, their largest year based on trade value.

Holdings & Transactions

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