The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 15, 2026 | Sabol Colin R | Director | Buy(P) | 11K | $8.88 | $99K |
| Jun 15, 2026 | Buehler Alexander J | Interim President and CEO, Director | Option exercise(M) | 15K | $8.60 | $132K |
| Jun 15, 2026 | Buehler Alexander J | Interim President and CEO, Director | Sell(S) | 15K | $8.71 | $130K |
| Jun 15, 2026 | Buehler Alexander J | Interim President and CEO, Director | Option exercise(M) | 15K | $8.60 | $132K |
| Jun 4, 2026 | Hanstveit Arve | Director | Grant(A) | 18K | $8.29 | $150K |
| Jun 4, 2026 | Tondreau Pamela L. | Director | Grant(A) | 22K | $8.29 | $185K |
| Jun 4, 2026 | Chow Joan Kai | Director | Grant(A) | 18K | $8.29 | $150K |
| Jun 4, 2026 | Sabol Colin R | Director | Grant(A) | 18K | $8.29 | $150K |
| May 13, 2026 | Tondreau Pamela L. | Director | Buy(P) | 20K | $8.34 | $167K |
| May 6, 2026 | Ryan Aidan | Interim CFO | Grant(A) | 19K | $11.61 | $215K |
| Apr 6, 2026 | Hanstveit Arve | Director | Sell(S) | 2K | $10.29 | $25K |
| Apr 2, 2026 | Hanstveit Arve | Director | Sell(S) | 165K | $10.14 | $1.7M |
| Mar 10, 2026 | Hanstveit Arve | Director | Sell(S) | 25K | $10.96 | $274K |
| Mar 6, 2026 | Hanstveit Arve | Director | Sell(S) | 12K | $10.62 | $123K |
| Mar 5, 2026 | Hanstveit Arve | Director | Sell(S) | 38K | $10.71 | $411K |
| Mar 5, 2026 | Ramanan Natarajan | Chief Technology Officer | Sell(S) | 272 | $10.57 | $3K |
| Mar 4, 2026 | Clemente Rodney | SVP, Water | Sell(S) | 21K | $10.61 | $218K |
| Mar 3, 2026 | Ramanan Natarajan | Chief Technology Officer | Tax withholding(F) | 3K | $10.22 | $28K |
| Feb 17, 2026 | Moon David W | President and CEO, Director | Grant(A) | 82K | — | $0 |
| Feb 17, 2026 | Ramanan Natarajan | Chief Technology Officer | Grant(A) | 29K | — | $0 |
| Feb 17, 2026 | Mancini Michael S. | Chief Financial Officer | Grant(A) | 46K | — | $0 |
| Feb 17, 2026 | Clemente Rodney | SVP, Water | Grant(A) | 46K | — | $0 |
| Feb 17, 2026 | Yeung William | Chief Legal Officer | Grant(A) | 26K | — | $0 |
| Feb 17, 2026 | Hostetler Matthew | Chief Human Resources Officer | Grant(A) | 26K | — | $0 |
| Feb 6, 2026 | Yeung William | Chief Legal Officer | Sell(S) | 646 | $15.14 | $10K |
| Feb 5, 2026 | Clemente Rodney | SVP, Water | Sell(S) | 724 | $14.59 | $11K |
| Feb 5, 2026 | Yeung William | Chief Legal Officer | Sell(S) | 890 | $14.59 | $13K |
| Feb 2, 2026 | Yeung William | Chief Legal Officer | Sell(S) | 729 | $14.46 | $11K |
| Jan 30, 2026 | Moon David W | President and CEO, Director | Tax withholding(F) | 17K | $14.30 | $245K |
| Jan 30, 2026 | Mancini Michael S. | Chief Financial Officer | Tax withholding(F) | 5K | $14.30 | $69K |
| Jan 30, 2026 | Hostetler Matthew | Chief Human Resources Officer | Tax withholding(F) | 3K | $14.30 | $48K |
| Jan 30, 2026 | Clemente Rodney | SVP, Water | Tax withholding(F) | 8K | $14.30 | $120K |
| Jan 30, 2026 | Clemente Rodney | SVP, Water | Tax withholding(F) | 694 | $14.65 | $10K |
| Jan 30, 2026 | Yeung William | Chief Legal Officer | Tax withholding(F) | 9K | $14.30 | $123K |
| Jan 30, 2026 | Yeung William | Chief Legal Officer | Tax withholding(F) | 1K | $14.65 | $15K |
| Jan 28, 2026 | Yeung William | Chief Legal Officer | Sell(S) | 7K | $14.55 | $106K |
| Dec 5, 2025 | Hanstveit Arve | Director | Sell(S) | 15K | $14.71 | $221K |
| Dec 4, 2025 | Hanstveit Arve | Director | Sell(S) | 15K | $14.97 | $225K |
| Oct 24, 2025 | Yeung William | Chief Legal Officer | Sell(S) | 4K | $18.00 | $64K |
| Oct 24, 2025 | Yeung William | Chief Legal Officer | Option exercise(M) | 6K | $10.19 | $57K |
| Oct 24, 2025 | Yeung William | Chief Legal Officer | Sell(S) | 6K | $18.00 | $101K |
| Oct 24, 2025 | Yeung William | Chief Legal Officer | Option exercise(M) | 4K | $7.50 | $26K |
| Oct 24, 2025 | Yeung William | Chief Legal Officer | Option exercise(M) | 4K | $7.50 | $26K |
| Oct 24, 2025 | Yeung William | Chief Legal Officer | Option exercise(M) | 6K | $10.19 | $57K |
| Oct 23, 2025 | Yeung William | Chief Legal Officer | Sell(S) | 4K | $17.50 | $62K |
| Oct 23, 2025 | Yeung William | Chief Legal Officer | Option exercise(M) | 4K | $7.50 | $26K |
| Oct 23, 2025 | Yeung William | Chief Legal Officer | Option exercise(M) | 4K | $7.50 | $26K |
| Oct 20, 2025 | Yeung William | Chief Legal Officer | Option exercise(M) | 4K | $7.50 | $26K |
| Oct 20, 2025 | Yeung William | Chief Legal Officer | Sell(S) | 4K | $17.00 | $60K |
| Oct 20, 2025 | Yeung William | Chief Legal Officer | Option exercise(M) | 4K | $7.50 | $26K |
| Oct 16, 2025 | Yeung William | Chief Legal Officer | Sell(S) | 4K | $16.50 | $58K |
| Oct 16, 2025 | Yeung William | Chief Legal Officer | Option exercise(M) | 4K | $7.50 | $26K |
| Oct 16, 2025 | Yeung William | Chief Legal Officer | Option exercise(M) | 4K | $7.50 | $26K |
| Oct 3, 2025 | Yeung William | Chief Legal Officer | Sell(S) | 1K | $16.00 | $17K |
| Oct 3, 2025 | Yeung William | Chief Legal Officer | Option exercise(M) | 3K | $7.50 | $19K |
| Oct 3, 2025 | Yeung William | Chief Legal Officer | Option exercise(M) | 1K | $7.50 | $8K |
| Oct 3, 2025 | Yeung William | Chief Legal Officer | Sell(S) | 3K | $16.00 | $40K |
| Oct 3, 2025 | Yeung William | Chief Legal Officer | Option exercise(M) | 1K | $7.50 | $8K |
| Oct 3, 2025 | Yeung William | Chief Legal Officer | Option exercise(M) | 3K | $7.50 | $19K |
| Sep 18, 2025 | Yeung William | Chief Legal Officer | Sell(S) | 15K | $15.09 | $233K |
| Sep 18, 2025 | Yeung William | Chief Legal Officer | Option exercise(M) | 15K | $8.95 | $138K |
| Sep 18, 2025 | Yeung William | Chief Legal Officer | Option exercise(M) | 15K | $8.95 | $138K |
| Sep 11, 2025 | Yeung William | Chief Legal Officer | Sell(S) | 34K | $14.51 | $487K |
| Sep 11, 2025 | Yeung William | Chief Legal Officer | Option exercise(M) | 31K | $8.95 | $276K |
| Sep 11, 2025 | Yeung William | Chief Legal Officer | Option exercise(M) | 31K | $8.95 | $276K |
| Jul 28, 2025 | Clemente Rodney | SVP, Water | Sell(S) | 5K | $13.97 | $75K |
| Jul 25, 2025 | Clemente Rodney | SVP, Water | Tax withholding(F) | 2K | $13.88 | $32K |
| Jul 25, 2025 | Yeung William | Chief Legal Officer | Tax withholding(F) | 2K | $13.88 | $28K |
| Jun 12, 2025 | Hanstveit Arve | Director | Sell(S) | 30K | $12.68 | $380K |
| Jun 11, 2025 | Hanstveit Arve | Director | Sell(S) | 20K | $12.75 | $255K |
| Jun 5, 2025 | Sabol Colin R | Director | Grant(A) | 12K | — | $0 |
| Jun 5, 2025 | Hanstveit Arve | Director | Grant(A) | 12K | — | $0 |
| Jun 5, 2025 | Chow Joan Kai | Director | Grant(A) | 12K | — | $0 |
| Jun 5, 2025 | Buehler Alexander J | Director | Grant(A) | 12K | — | $0 |
| Jun 5, 2025 | Tondreau Pamela L. | Director | Grant(A) | 15K | — | $0 |
| May 14, 2025 | Tondreau Pamela L. | Director | Buy(P) | 4K | $12.28 | $52K |
| May 13, 2025 | Moon David W | President and CEO, Director | Buy(P) | 4K | $12.20 | $51K |
| Mar 11, 2025 | Clemente Rodney | SVP, Water | Sell(S) | 2K | $16.23 | $30K |
| Mar 11, 2025 | Hanstveit Arve | Director | Sell(S) | 50K | $16.34 | $817K |
| Mar 10, 2025 | Clemente Rodney | SVP, Water | Tax withholding(F) | 794 | $16.37 | $13K |
| Mar 10, 2025 | Yeung William | Chief Legal Officer | Tax withholding(F) | 944 | $16.37 | $15K |
| Mar 3, 2025 | Ramanan Natarajan | Chief Technology Officer | Grant(A) | 26K | — | — |
| Mar 3, 2025 | Ramanan Natarajan | Chief Technology Officer | Grant(A) | 65K | $15.12 | $983K |
| Feb 20, 2025 | Clemente Rodney | SVP, Water | Sell(S) | 21K | $15.42 | $331K |
| Feb 4, 2025 | Ghasripoor Farshad | Chief Technology Officer | Other(J) | 65K | — | $0 |
| Feb 4, 2025 | Ghasripoor Farshad | Chief Technology Officer | Other(J) | 65K | — | $0 |
| Feb 3, 2025 | Ghasripoor Farshad | Chief Technology Officer | Tax withholding(F) | 1K | $14.34 | $20K |
| Feb 3, 2025 | Yeung William | Chief Legal Officer | Tax withholding(F) | 882 | $14.34 | $13K |
| Feb 3, 2025 | Clemente Rodney | SVP, Water | Tax withholding(F) | 944 | $14.34 | $14K |
| Jan 31, 2025 | Clemente Rodney | SVP, Water | Tax withholding(F) | 615 | $14.56 | $9K |
| Jan 31, 2025 | Ghasripoor Farshad | Chief Technology Officer | Tax withholding(F) | 926 | $14.56 | $13K |
| Jan 31, 2025 | Yeung William | Chief Legal Officer | Tax withholding(F) | 627 | $14.56 | $9K |
| Jan 30, 2025 | Clemente Rodney | SVP, Water | Tax withholding(F) | 694 | $14.33 | $10K |
| Jan 30, 2025 | Ghasripoor Farshad | Chief Technology Officer | Tax withholding(F) | 1K | $14.33 | $15K |
| Jan 30, 2025 | Yeung William | Chief Legal Officer | Tax withholding(F) | 698 | $14.33 | $10K |
| Jan 27, 2025 | Clemente Rodney | SVP, Water | Tax withholding(F) | 6K | $14.40 | $83K |
| Jan 27, 2025 | Ghasripoor Farshad | Chief Technology Officer | Tax withholding(F) | 6K | $14.40 | $82K |
| Jan 27, 2025 | Yeung William | Chief Legal Officer | Tax withholding(F) | 4K | $14.40 | $58K |
| Jan 27, 2025 | Moon David W | President and CEO, Director | Tax withholding(F) | 8K | $14.40 | $110K |
| Jan 23, 2025 | Mancini Michael S. | Chief Financial Officer | Grant(A) | 34K | — | $0 |
Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.
Coverage: Form 4 filings indexed 2021-01-04 → 2026-07-21. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).