Form 4 for MLAB MESA LABORATORIES INC /CO/
Accepted 2026-08-17 17:01:21 ET · period of report 2026-08-15 · accession 0000724004-26-000086 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-08-17 17:01 | 2026-08-15 | MLAB | Sullivan John James | Dir | M - OptEx | $0.00 | +2,784 | 20.6K | +16% | $0 |
| D | 2026-08-17 17:01 | 2026-08-15 | MLAB | Sullivan John James | Dir | M - OptEx | $0.00 | -2,784 | 0 | -100% | $0 |
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 | 2026-08-15 | M | A | 2,784 | $0.00 | 20,618 | D | — | — | |
| 2 | Derivative | Restricted Stock Units - 10 | 2026-08-15 | M | D | 2,784 | $0.00 | 0 | D | — · — to — | 2,784 Common Stock | (F2) Each RSU represents a contingent right to receive one share of the Issuer's common stock (F4) RSUs that vested on August 15, 2026 (F3) Not Applicable |