// company-profile
Waters Corp /de/ Insider Trading
WATEvery SEC Form 4 insider trading filing for Waters Corp /de/ (WAT) — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC.
curl "https://api.form4api.com/v1/transactions?ticker=WAT" -H "X-Api-Key: YOUR_API_KEY"// activity-summary
Recent insider activity is bullish. Over the last 30 days, 2 insiders purchased shares versus 1 sale. Buying was led by KUEBLER CHRISTOPHER A.
// 90-day insight
Over the last 90 days, Waters Corp /de/ insiders bought $495K (4 transactions) and sold $1.6M (3 transactions).
- Most active insider: KUEBLER CHRISTOPHER A with 3 transactions totaling $1.9M.
- Largest single sale: $1.4M by KUEBLER CHRISTOPHER A on Aug 6, 2026.
Activity is mixed — buys and sales are roughly balanced.
Institutional Ownership
Top 13F-HR holders of Waters Corp /de/ as of 2026-06-30
Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 6, 2026 | KUEBLER CHRISTOPHER A | WAT | Option Exercise | 3,626 | $136.43 | $495K |
| Aug 6, 2026 | KUEBLER CHRISTOPHER A | WAT | Sale | 3,626 | $397.94 | $1.44M |
| Aug 6, 2026 | KUEBLER CHRISTOPHER A | WAT | Option Exercise | 3,626 | $0.00 | $0K |
| Jun 30, 2026 | Knight Heather | WAT | Award | 63.03 | $0.00 | $0K |
| Jun 30, 2026 | Jiang Wei | WAT | Award | 67.42 | $0.00 | $0K |
45 more transactions hidden
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