John James Sullivan sold $800k of MLAB
director at MESA LABORATORIES INC /CO/. 7,093 shares at an average of $112.80, traded Aug 13, 2026, filed Aug 17, 2026.
Score components
- +15RoleDirector
- +22Trade size$800k at market
- +10Share of holdings soldSold 28% of holdings
- 0ClusterNo other insider selling within 14 days
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.
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.
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 0000724004-26-000085, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Aug 13, 2026 | SOpen-market sale Common Stock | -7,093 | $112.80 | $800k | 17,834 | Aug 17, 2026 |
Related signals
Other insiders at MESA LABORATORIES INC /CO/ and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 63Notable | MESA LABORATORIES INC /CO/ | Siddhartha Kadia President and CEO | $800k 7,093 shares | - | |
| 36Weak | MESA LABORATORIES INC /CO/ | R Tony Tripeny director | $102k 900 shares | +17% | |
| 38Weak | MESA LABORATORIES INC /CO/ | Brian David Archbold SVP Operations | $225k 2,516 shares | -28% | |
| 26Weak | MESA LABORATORIES INC /CO/ | Lyndsey Elizabeth Crennen CAO | $40k 442 shares | -18% | |
| 20Weak | MESA LABORATORIES INC /CO/ | John Sakys CFO | $253k 2,827 shares | -13% | |
| 25Weak | MESA LABORATORIES INC /CO/ | Brian David Archbold SVP Operations | $117k 1,151 shares | -24% | |
| 10Weak | MESA LABORATORIES INC /CO/ | Lyndsey Elizabeth Crennen CAO | $12k 118 shares | -7% | |
| 27Weak | MESA LABORATORIES INC /CO/ | John Sakys CFO | $124k 1,223 shares | -7% | |
| 58Moderate | MESA LABORATORIES INC /CO/ | Mark Christopher Capone director | $99k 1,301 shares | +61% | |
| 61Notable | MESA LABORATORIES INC /CO/ | Shiraz Shabanali Ladiwala director | $253k 3,500 shares | +70% |
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.