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MLAB Insider Trading Activity

Track Mesa Laboratories, Inc. (MLAB) insider transactions, SEC Form 4 filings, insider buys, insider sales, filing dates, trade values, and source links. Recent summary: 17 trades, 3 buys, and 6 sales. Learn more

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What this shows

Market trades first

This view focuses on purchases and sales with reported trade value. Lower-signal rows are moved out of the first screen, not hidden.

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Why it matters

Use it as the default scan

Start here when you want the newest activity that most retail investors expect from an insider trading feed.

How to read it

Open the full ledger when needed

Use All Form 4 Filings when you want grants, exercises, gifts, conversions, and every normalized row.

Transaction codes explained →

Filings

MLAB Form 4 filing history

Recent insider trading rows for this issuer. The SEC filing is the source record.

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Public Form 4 filings, normalized for cleaner scanning. What do these codes mean?

TickerType & RoleValue

Latest news

MLAB headlines

Plain-English summary

MLAB insider activity summary

Mesa Laboratories, Inc. (MLAB) insider activity over the recent reporting window includes 3 insider purchases totaling approximately $452K and 6 insider sales totaling approximately $3.0M. Market data shows a current price of $94.95 and a market capitalization of $570.8M. Blue Collar Picks normalizes public SEC Form 4 filings into a research-friendly view organized by ticker, insider role, transaction type, filing date, and reported value. MLAB pages are designed as a research starting point, not investment advice. Verify the original SEC filing, read the transaction code, compare the trade against the insider's role and history, and consider whether the activity is an open-market purchase, a sale, a grant, an option exercise, or another lower-signal filing type before drawing conclusions.

Company snapshot

Mesa Laboratories, Inc. at a glance

Market Cap$570.8M
SectorTechnology
IndustryScientific & Technical Instruments
P/E (TTM)158.9
Forward P/E19.2
Beta0.89
Dividend Yield0.62%
Shares Out5,524,813

Context

Earnings & analyst view

Earnings

Aug 3, 2026

Last reported May 27, 2026.

Analyst View

$104.50 +1.15% upside

Target range $94.00–$115.00.

Cluster activity

Recent insider clusters for MLAB

Filings where three or more insiders bought MLAB shares within a short window. Each link opens the cluster page with the full member breakdown.

Ownership context

Top institutional holders

HolderShares% HeldValueReported
Blackrock Inc.398,6660.07%$41.2MDec 31, 2025
Vanguard Group Inc321,8990.06%$33.3MDec 31, 2025
Long Path Partners LP227,2230.04%$23.5MDec 31, 2025
Boston Partners213,3760.04%$22.0MDec 31, 2025
Select Equity Group LP206,4350.04%$21.3MDec 31, 2025

Primary source

Verify with the original SEC filings

Blue Collar Picks normalizes public Form 4 records but the SEC filing is the source of record. Use the original filing before making any investment decision.

Open MLAB Form 4 filings on SEC EDGAR → See insider trading stocks ranked by activity → Read the Blue Collar Picks methodology → Read the investment disclaimer →

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Method Public Form 4 filings, normalized for cleaner scanning. Filtered rows stay available in All Form 4 Filings and ticker history. Which view should I use? →