Updated: Jun 12, 2026

John W Smither

NAMSNewAmsterdam Pharma Co N.V.SEC CIK: 0001559583
Estimated Net Worth
$9.34 Million
Last Updated: Jun 12, 2026 09:56 PM EST

Transaction Summary

Total Transactions83
Buy-Sell Ratio0.85
Buy Transactions33
Sell Transactions39

Transaction Volume

Total Volume$7.15M
Net Volume-$6.84M
Buy Volume$154.41K
Sell Volume$7M

Trade Analysis

AVG Trade Size$86.17K
Largest Trade$2.58M
Most Active MonthJan
Most Active Year2014

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

John W Smither has an estimated net worth of $9.34 Million. This is based on reported shares across multiple companies, which include KYTHERA BIOPHARMACEUTICALS INC, Arcutis Biotherapeutics, Inc., Applied Molecular Transport Inc., eFFECTOR Therapeutics, Inc., Principia Biopharma Inc., Sienna Biopharmaceuticals, Inc., Achaogen Inc, GENELUX Corp, NewAmsterdam Pharma Co N.V., and MBX Biosciences, Inc..



2014 was John W Smither's most active year for acquiring shares with 17 total transactions. John W Smither's most active month to acquire stocks was the month of December. 2015 was John W Smither's most active year for disposing of shares, totalling 38 transactions. John W Smither's most active month to dispose stocks was the month of August. 2015 saw John W Smither paying a total of $1,582,798.88 for 182,219 shares, this is the most they've acquired in one year. In 2015 John W Smither cashed out on 283,526 shares for a total of $5,839,214.88, their largest year based on trade value.

Holdings & Transactions

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