David M Demski's Net Worth

David M Demski's net worth is estimated to be at least $36,354,517.06 as of 11/08/2024. CoreStreet's estimation of David M Demski's net worth is based on their sale of stock and current holding of stock.

David M Demski is Director at Alphatec Holdings Inc. They have executed at least 9 trades of stock as per SEC Form 4 filings. Their most recent trade was for 50,000 units of ATEC stock on 08/21/2024. Their biggest sale was on 04/26/2021 when they sold 144,263 units of Globus Medical stock for $10,314,804.50. They typically trade 1 times per year.

Total value of insider buys:
  • $598,500.00
Total value of insider sells:
  • $35,756,017.06
Most recent insider trade:
  • Aug. 21, 2024

David M Demski's Insider Trading History

Alphatec Holdings IncTitleAmountPriceTypeTotal Value
Aug. 21, 2024
Director50,000$5.67Buy$283,500.00
Nov. 9, 2023
Director30,000$10.50Buy$315,000.00
Globus MedicalTitleAmountPriceTypeTotal Value
April 26, 2021
CEO144,263$71.50Sell$10,314,804.50
April 23, 2021
CEO121,259$71.59Sell$8,680,931.81
Dec. 16, 2020
CEO52,356$64.20Sell$3,361,255.20
April 19, 2018
CEO149,109$51.00Sell$7,604,559.00
April 13, 2018
CEO50,891$51.00Sell$2,595,441.00
Nov. 1, 2013
COO112,677$18.59Sell$2,094,665.43
Aug. 8, 2012
COO98,957$11.16Sell$1,104,360.12