Reported value$986K11,000 shares at $89.60
For this personUnusual1 buy · 0 sales on file
Similar buys beat S&P52%268 cases · all buys 46%
Worth a closer look
- Open-market purchase with their own money (Form 4 code P), not a grant or option exercise.
- Raised their own holding by 882%.
- Similar past buys beat the S&P 500 52% of the time (268 cases), above the 46% for all buys.
Reasons for caution
- None found in the data.
What happened after this filing
7 days
Pending
due Nov 5
30 days
Pending
due Nov 28
90 days
Pending
due Jan 27
Insider Twins: past buys with the same traits
1 insider buying · no CEO or CFO · $250K–$1M · stock down 20%+ in 3 months
ICHR Nov 17, 2025 +224.6% vs S&PKLXE Mar 11, 2020 +152.2% vs S&PCSPI Dec 15, 2023 +130.2% vs S&PAVTX Apr 24, 2023 -100.3% vs S&PCTNT Jun 17, 2026 -98.6% vs S&PRUBI Jun 16, 2026 -87.1% vs S&PWhat we couldn't check
- Why they traded. Filings don't say, and we don't guess.
- Company news after the filing, and any private terms.
Summary
D Christian Koch (a director) bought $986K of XYL at about $89.60 on Oct 29, 2026, reported to the SEC on Oct 29, 2026. Buys like this beat the S&P 500 52% of the time since 2020, against 46% for all insider buys. We found 3 points that make it worth a closer look and 0 reasons for caution. History, not a prediction.
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Written by fixed rules from SEC filings and our measured history, not by an AI model. Public data only. History, not a prediction, and not investment advice.