Mackay Sean sold LAB
May 20, 2026 · Form 4 insider transaction
Mackay Sean sold 25,729 shares of Standard BioTools Inc. at $1.00 per share, a transaction worth $25.7K. The trade was recorded as shares withheld for taxes and disclosed on an SEC Form 4, filed 2 days after the transaction.
Direction
Disposed (sell-side)
Shares
25,729
Price
$1.00
Total value
$25.7K
InsiderMackay Sean
RoleOfficer
CompanyStandard BioTools Inc. (LAB)
SecurityCommon Stock
Transaction codeF: Shares withheld for taxes
Transaction dateMay 20, 2026
Filing dateMay 22, 2026
Shares owned after1,006,552
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
The shares were withheld from the reporting person to satisfy the tax withholding obligations that arose upon the vesting of restricted stock units granted to the reporting person on May 20, 2024, March 21, 2025 and March 20, 2026, which grants were originally reported on Form 3 and Form 4s filed with the U.S. Securities and Exchange Commission on September 3, 2024, March 24, 2025 and April 8, 2026, respectively.