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SANDBROOK WILLIAM J

DirectorCIK 0001527678

Largest Purchase

No open-market purchases in the recent filings.

Profile

Filings
4
Buy transactions
0
Sell transactions
5
Companies
2
Active
2025–2026

SANDBROOK WILLIAM J, Director, has filed 4 reports across 2 companies, totaling $5.2M in disclosed volume. Sales ($5.2M) outpace purchases ($0). Insider sales are common for diversification and should be read in context. All data sourced from SEC Form 3, 4, and 5 filings.

Trading History

4 loaded
May 21KNF
Knife River Corp
SANDBROOK WILLIAM JDirectorGrant$0
Feb 26FIX
COMFORT SYSTEMS USA INC
SANDBROOK WILLIAM JInsiderSell$3.6M
Sep 10FIX
COMFORT SYSTEMS USA INC
SANDBROOK WILLIAM JInsiderSell$1.1M
Aug 27FIX
COMFORT SYSTEMS USA INC
SANDBROOK WILLIAM JInsiderSell$482.7K

4 filings