James N Topper

NAMS

James N Topper serves as Director at NewAmsterdam Pharma Company N.V. (NAMS). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

8 trades

$481.3K

Total Sells

0 trades

$0.00

Net Position

Net Buyer

$481.3K

Companies Traded

NAMS, PHAT

Active Period

Mar 2025 – Sep 2025

8 total trades

Most Recent

Buy NAMS

Sep 15, 2025 · $15.6K

James N Topper's Insider Trading at NewAmsterdam Pharma Company N.V. (NAMS)

Buys

5 · $289.3K

Sells

0 · $0.00

Total Shares Bought

14,630

Total Shares Sold

NAMS Price Chart

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Date	Type	Shares	Avg Price	Value
Sep 15, 2025	Buy	660	$23.70	$15.6K
Aug 11, 2025	Buy	471	$23.98	$11.3K
Jun 24, 2025	Buy	3,780	$18.38	$69.5K
Jun 16, 2025	Buy	8,584	$19.50	$167.4K
Mar 26, 2025	Buy	1,135	$22.49	$25.5K

James N Topper's Insider Trading at Phathom Pharmaceuticals, Inc. (PHAT)

Buys

3 · $192.0K

Sells

0 · $0.00

Total Shares Bought

59,403

Total Shares Sold

PHAT Price Chart

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Date	Type	Shares	Avg Price	Value
May 21, 2025	Buy	3,780	$3.86	$14.6K
May 13, 2025	Buy	7,420	$3.30	$24.5K
May 9, 2025	Buy	48,203	$3.17	$152.9K

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NAMSSell · Jan 23, 2026

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PHATSell · Jan 21, 2026

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