Transaction · 0000724004-26-000085

Sullivan John James

Sullivan John James, DIR, reported an open-market or private sale at MESA LABORATORIES INC CO involving 7093.000000 shares for an estimated $800090.40. Reported holdings after the transaction were 17834.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

Open-market sellSEC transaction code SDIR
MLABMESA LABORATORIES INC CO
Trade date
Aug 13, 2026
Filing date
Aug 17, 2026
View on SEC Insider profile
Disclosed value-$800kShares × reported price
Shares traded7.09k$112.80 per share
Holdings after17.8kDirect
% of reported position traded28.46%This security and ownership context
How reported position traded is calculated

Shares sold ÷ (holdings after + shares sold). Estimated position before: 24,927 shares.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

MLAB price since this filing

Daily closing prices, with the filing date and available return windows
MLAB · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago -12.1%1w ago -6.2%1d ago +4.8%
Returns since7d +15.5%30d +16.6%90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0000724004-26-000085
Common Stock
Transaction date
Aug 13, 2026
Filed Aug 17, 2026, 04:18 PM · 4d delay
Shares
7,093 sh
$112.80 per share
Estimated value
-$800k
Computed from shares × price
Holdings after
17,834 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership Large Holdings Reduction
Filing-only score

+6 points

Compact filing score computed from stored Form 4 facts. Version v1.

Positive filing signal

This filing has a modest positive filing-only score. Treat it as a useful flag for review, not as a buy signal.

How this score is calculated
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

No officer title

Officer NoDirector Yes10% NoOther No
Footnotes & amended
  1. F1

    Represents shares sold directly in a private transaction to Siddhartha Kadia, Mesa President and CEO

  2. F2

    Represents shares held by the "Sullivan Family Trust" for which the reporting person's spouse serves as trustee. The reporting person disclaims beneficial ownership of the securities held by the trus…

Original filing · 0000724004-26-000085
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