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sellWeak cluster of 3

Brian David Archbold sold $46k of MLAB

SVP Operations at MESA LABORATORIES INC /CO/. 472 shares at an average of $97.12, traded Jun 16, 2025, filed Jun 18, 2025.

Warning score
31
Value
$46k
472 shares
Holdings after
558
-46% from before
From 52-week low
0%
low $95.24, close $95.24
From 52-week high
-38%
high $152.98, as of Jun 16, 2025

Score components

  • Role
    Officer
    +15
  • Trade size
    $46k at market
    +6
  • Share of holdings sold
    Sold 46% of holdings
    +10
  • Cluster
    3 insiders selling within 14 days
    +15
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -15

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m -24.7%, 3m -29.8%, 6m -13.8%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

MLABOct 12, 2026 · close 128.07
Since filing Jun 18, 2025: +38.9%SPY +32.4% · excess +6.5%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001228924-25-000008, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jun 15, 2025MOption exercise
Common Stock
+535$0.00$0535Jun 18, 2025
Jun 15, 2025MOption exercise
Common Stock
+495$0.00$01,030Jun 18, 2025
Jun 16, 2025SOpen-market sale
Common Stock
-472$97.12$46k558Jun 18, 2025
Jun 15, 2025MOption exercise
Restricted Stock Units - 6derivative
-535$0.00$00Jun 18, 2025

Related signals

Other insiders at MESA LABORATORIES INC /CO/ and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
63Notable
MLABbuy 2
MESA LABORATORIES INC /CO/
Siddhartha Kadia
President and CEO
$800k
7,093 shares
-
36Weak
MLABbuy 2
MESA LABORATORIES INC /CO/
R Tony Tripeny
director
$102k
900 shares
+17%
47Moderate
MLABsell
MESA LABORATORIES INC /CO/
John James Sullivan
director
$800k
7,093 shares
-28%
38Weak
MLABsell 3
MESA LABORATORIES INC /CO/
Brian David Archbold
SVP Operations
$225k
2,516 shares
-28%
26Weak
MLABsell 3
MESA LABORATORIES INC /CO/
Lyndsey Elizabeth Crennen
CAO
$40k
442 shares
-18%
20Weak
MLABsell 310b5-1
MESA LABORATORIES INC /CO/
John Sakys
CFO
$253k
2,827 shares
-13%
25Weak
MLABsell 310b5-1
MESA LABORATORIES INC /CO/
Brian David Archbold
SVP Operations
$117k
1,151 shares
-24%
10Weak
MLABsell 310b5-1
MESA LABORATORIES INC /CO/
Lyndsey Elizabeth Crennen
CAO
$12k
118 shares
-7%
27Weak
MLABsell 310b5-1
MESA LABORATORIES INC /CO/
John Sakys
CFO
$124k
1,223 shares
-7%
58Moderate
MLABbuy 3
MESA LABORATORIES INC /CO/
Mark Christopher Capone
director
$99k
1,301 shares
+61%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Brian David Archbold sold $46k of MLAB | InsiderTell