Mark Guinan's Net Worth

Mark Guinan's net worth is estimated to be at least $23,868,163.15 as of 11/23/2024. CoreStreet's estimation of Mark Guinan's net worth is based on their sale of stock and current holding of stock.

Mark Guinan is CFO at Quest Diagnostics Incorporated. They have executed at least 4 trades of stock as per SEC Form 4 filings. Their most recent trade was for 81,756 units of DGX stock on 12/24/2020. Their biggest sale was on 12/24/2020 when they sold 81,756 units of Quest Diagnostics Incorporated stock for $9,840,969.72. They typically trade 1 times per year.

Total value of insider buys:
  • $222,040.00
Total value of insider sells:
  • $23,646,123.15
Most recent insider trade:
  • Dec. 24, 2020

Mark Guinan's Insider Trading History

Quest Diagnostics IncorporatedTitleAmountPriceTypeTotal Value
Dec. 24, 2020
CFO81,756$120.37Sell$9,840,969.72
June 13, 2019
Insider73,005$100.00Sell$7,300,500.00
May 25, 2018
Insider61,533$105.71Sell$6,504,653.43
May 5, 2014
CFO4,000$55.51Buy$222,040.00