William J Sandbrook sold $1.1M of FIX
director at COMFORT SYSTEMS USA INC. 1,500 shares at an average of $721.89, traded Sep 9, 2025, filed Sep 10, 2025.
Score components
- +15RoleDirector
- +25Trade size$1.1M at market
- +5Share of holdings soldSold 11% of holdings
- +8Cluster2 insiders 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.
This signal so far: 1m +8.5%, 3m +35.9%, 6m +87.3%.
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 0001415889-25-024105, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Sep 9, 2025 | SOpen-market sale Common Stock | -600 | $708.97 | $425k | 12,566 | Sep 10, 2025 |
| Sep 9, 2025 | SOpen-market sale Common Stock | -100 | $706.00 | $71k | 12,466 | Sep 10, 2025 |
| Sep 10, 2025 | SOpen-market sale Common Stock | -800 | $733.56 | $587k | 11,666 | Sep 10, 2025 |
Related signals
Other insiders at COMFORT SYSTEMS USA INC and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 58Moderate | COMFORT SYSTEMS USA INC | Brian E. Lane CHIEF EXECUTIVE OFF. | $26M 16,024 shares | -10% | |
| 62Notable | COMFORT SYSTEMS USA INC | William George III CHIEF FINANCIAL OFFICER | $4.7M 2,554 shares | -8% | |
| 53Moderate | COMFORT SYSTEMS USA INC | Franklin Myers director | $13M 7,500 shares | -12% | |
| 40Moderate | FIXsell COMFORT SYSTEMS USA INC | Franklin Myers director | $13M 6,700 shares | -10% | |
| 40Moderate | FIXsell COMFORT SYSTEMS USA INC | Rhoman J Hardy director | $650k 342 shares | -15% | |
| 67Notable | COMFORT SYSTEMS USA INC | William George III CHIEF FINANCIAL OFFICER | $9.8M 5,000 shares | -13% | |
| 55Moderate | COMFORT SYSTEMS USA INC | Julie Shaeff CHIEF ACCOUNTING OFFICER | $2.2M 1,123 shares | -8% | |
| 55Moderate | COMFORT SYSTEMS USA INC | Franklin Myers director | $8.6M 4,500 shares | -6% | |
| 65Notable | COMFORT SYSTEMS USA INC | Brian E. Lane CHIEF EXECUTIVE OFF. | $22M 11,113 shares | -6% | |
| 58Moderate | COMFORT SYSTEMS USA INC | Pablo G. Mercado director | $890k 500 shares | -14% |
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.