InsiderTrades

Form 4 for MLAB MESA LABORATORIES INC /CO/

Accepted 2025-06-20 00:00:00 ET · period of report 2025-06-18 · accession 0001228924-25-000014 · 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 2025-06-20 2025-06-18 MLAB Archbold Brian David SVP Ops M - OptEx $92.99 +2,556 3,114 +458% +$237.7K
D 2025-06-20 2025-06-18 MLAB Archbold Brian David SVP Ops F - Tax $92.99 -1,166 1,948 -37% -$108.4K
D 2025-06-20 2025-06-18 MLAB Archbold Brian David SVP Ops M - OptEx $0.00 -2,556 4,960 -34% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-06-18 M A 2,556 $92.99 3,114 D — —
2 Common Common Stock 2025-06-18 F D 1,166 $92.99 1,948 D — —
3 Derivative Restricted Stock Units - 8 2025-06-18 M D 2,556 $0.00 4,960 D — · — to — 2,556 Common Stock (F1) Each RSU represents a contingent right to receive one share of the Issuer's common stock (F2) RSUs that vest 1/3 on June 18, 2025 and each of the next two anniversary dates (F3) Not Applicable