OQROGet OQRO Pro
Insider trade

Comfort Systems USA (FIX)Director sold ~$3.61M

William J Sandbrook, Director at Comfort Systems USA, sold ~$3.61M of Comfort Systems USA shares.

~$3.61M
Approx. value · 2,500 sh @ $1,443.32
9,166
Holds after · shares reported
Traded
Feb 24, 2026
Filed
Feb 26, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

  1. Dec 4, 2025Congress · 1 personMembers of Congress: 2 purchases
  2. Jan 21, 20265% stakeBlackRock, Inc. reported a passive stake (13G) of 8.3%
  3. Jan 30, 20265% stakeThe Vanguard Group reported a passive stake (13G) of 12.2%
  4. Feb 13, 20265% stakeCapital World Investors reported a passive stake (13G) of 4.7%
  5. Feb 19, 2026Company filing · Form 8-K · Results, Other newsReported its results, and reported other company news
  6. Feb 23, 2026Insider · 2 peopleInsiders: 2 sales (~$13.6M)
  7. Feb 24, 2026 · this disclosureInsider · Their largest sale since 2023Director sold ~$3.61M of FIX shares in the open market

What came next

  1. Feb 24, 2026Insider · 2 peopleInsiders: 2 sales (~$2.4M)
  2. Feb 25, 2026Insider · 2 peopleInsiders: 2 sales (~$26.3M)
  3. Mar 3, 2026Insider · 3 peopleInsiders: 3 sales (~$10.9M)
  4. Mar 26, 20265% stakeThe Vanguard Group reported a passive stake (13G)
  5. Apr 23, 2026Company filing · Form 8-K · Results, Other newsReported its results, and reported other company news
  6. Apr 29, 20265% stakeVanguard Portfolio Management reported a passive stake (13G) of 5.4%
  7. Apr 29, 20265% stakeVanguard Capital Management reported a passive stake (13G) of 7.5%
  8. Apr 29, 2026InsiderDirector sold ~$2.6M of FIX shares in the open market
  9. Apr 30, 2026InsiderDirector sold ~$890K of FIX shares in the open market
  10. May 5, 2026Insider · Their largest sale since 2012CEO sold ~$21.9M of FIX shares in the open market
  11. May 6, 20265% stakeFMR LLC reported a passive stake (13G) of 4.1%
  12. May 7, 2026InsiderDirector sold ~$8.56M of FIX shares in the open market
  13. May 8, 2026InsiderCFO sold ~$7.79M of FIX shares in the open market
  14. May 11, 2026Insider · 2 peopleInsiders: 2 sales (~$4.3M)
  15. May 27, 2026InsiderDirector sold ~$650K of FIX shares in the open market
  16. Jun 4, 2026Federal contract · $8K obligatedDepartment of Homeland Security awarded Comfort Systems USA: $7.6K obligated to date
  17. Jun 19, 2026Company filing · Form 8-K · Executive change, Reg FDChanged a top executive or board member, and shared information with investors“On June 22, 2026, Comfort Systems USA, Inc. (the “Company”) announced that Craig Sasser will transition from his current role as the Company’s Regional Vice President – Atlantic Region to the role of Company Chief Operating Officer, effective July 1, 2026.”
View the official recordSEC Form 4

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for Comfort Systems USA

For Comfort Systems USA, OQRO holds 4 insider filings (SEC Form 4 or Form 144), 1 Congress trade report and 37 fund holdings reports (13F) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its FIX page.

Other recent filings by William J Sandbrook, Director

The full history of William J Sandbrook, Director is on the profile page.

How this filing works

Other disclosures at Comfort Systems USA

Everything OQRO holds on this company is on its FIX page.

This is one filing. OQRO holds the rest

Insider trades filed with the SEC, stock trades disclosed by members of Congress, fund holdings from 13F filings and federal contract awards, each one in plain words next to its official filing. On this page it opens why the trade stands out, what the company did around that time, the price since, and every field of the form.

Unlock OQRO ProAlready have an account? Log in

OQRO Pro is a paid subscription. You see the price before you pay

OQRO describes public disclosures and context calculated from them. It does not give personalized advice and does not recommend any transaction. How OQRO treats data