Form 4 for LAB STANDARD BIOTOOLS INC.
Accepted 2026-05-22 17:17:30 ET · period of report 2026-05-20 · accession 0001193125-26-237182 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-05-22 17:17 | 2026-05-20 | LAB | Mackay Sean | SVP, Chief Business Off | F - Tax | $1.00 | -25.7K | 1.01M | -2% | -$25.7K |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-05-20 | F | D | 25,729 | $1.00 | 1,006,552 | D | — | — | (F1) 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. |