James N Topper's Net Worth

James N Topper's net worth is estimated to be at least $17,182,447.86 as of 05/26/2024. CoreStreet's estimation of James N Topper's net worth is based on their sale of stock and current holding of stock.

James N Topper is Director at Alpine Immune Sciences Inc. They have executed at least 5 trades of stock as per SEC Form 4 filings. Their most recent trade was for 19 units of ALPN stock on 04/25/2024. Their biggest sale was on 04/25/2024 when they sold 19 units of Alpine Immune Sciences Inc stock for $1,226.83. They typically trade 1 times per year.

Total value of insider buys:
  • $17,181,221.03
Total value of insider sells:
  • $1,226.83
Most recent insider trade:
  • April 25, 2024

James N Topper's Insider Trading History

Alpine Immune Sciences IncTitleAmountPriceTypeTotal Value
April 25, 2024
Jan. 18, 2019
NewAmsterdam Pharma Company N.V.TitleAmountPriceTypeTotal Value
March 26, 2024
Allena Pharmaceuticals IncTitleAmountPriceTypeTotal Value
Nov. 6, 2017
Sierra Oncology IncTitleAmountPriceTypeTotal Value
Feb. 14, 2017