HTO insider transaction filings

H2O AMERICA — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-08-19. Screen HTO transaction legs live →

FiledFormInsiderReported transactionsSource
2026-08-194/AATLAS Infrastructure Partners (UK) Ltd.
GIP ATLAS Holdings Ltd
Holdings only — no transactions reportedEDGAR
2026-08-194/AATLAS Infrastructure Partners (UK) Ltd.
GIP ATLAS Holdings Ltd
Holdings only — no transactions reportedEDGAR
2026-08-194/AATLAS Infrastructure Partners (UK) Ltd.
GIP ATLAS Holdings Ltd
Holdings only — no transactions reportedEDGAR
2026-08-194/AATLAS Infrastructure Partners (UK) Ltd.Holdings only — no transactions reportedEDGAR
2026-08-034Mattern Megan — CAO, PAO and ControllerTax withholding (F): 1,154 @ $61.97EDGAR
2026-07-134/AATLAS Infrastructure Partners (UK) Ltd. — 10% owner
GIP ATLAS Holdings Ltd — 10% owner
Purchase (P): 2,784 @ $62.03EDGAR
2026-07-084ATLAS Infrastructure Partners (UK) Ltd. — 10% owner
GIP ATLAS Holdings Ltd — 10% owner
Purchase (P): 2,784 @ $62.03EDGAR
2026-07-064Kelly Ann P — CFO and TreasurerTax withholding (F): 88 @ $60.74EDGAR
2026-07-064Walters Andrew F — Chief Executive Officer, DirectorDisposition to issuer (D): 374 @ $60.74EDGAR
2026-07-024ATLAS Infrastructure Partners (UK) Ltd. — 10% owner
GIP ATLAS Holdings Ltd — 10% owner
Sale (S): 1,686 @ $60.73 · Purchase (P): 2,132 @ $60.76EDGAR
2026-06-054Walters Andrew F — Chief Executive Officer, DirectorGift (G): 3,508 @ $0EDGAR
2026-06-034Johnson A Kristen — Chief Administrative OfficerGrant/award (A): 0 (derivative)EDGAR
2026-06-024/AATLAS Infrastructure Partners (UK) Ltd. — 10% owner
GIP ATLAS Holdings Ltd — 10% owner
Sale (S): 1,435 @ $57.52 · Purchase (P): 31,001 @ $57.62EDGAR
2026-05-154Guardino Carl — DirectorGrant/award (A): 1,947 @ $0EDGAR
2026-05-154More Daniel B. — DirectorGrant/award (A): 1,947 @ $0EDGAR
2026-05-154KLEIN REBECCA A — DirectorGrant/award (A): 1,947 @ $0EDGAR
2026-05-154Rowe Nick Orlando — DirectorGrant/award (A): 1,947 @ $0EDGAR
2026-05-154Heather Hunt — DirectorGrant/award (A): 1,947 @ $0EDGAR
2026-05-154WALLACE CAROL P — DirectorGrant/award (A): 1,947 @ $0EDGAR
2026-05-154HANLEY MARY ANN — DirectorGrant/award (A): 1,947 @ $0EDGAR
2026-05-154KRUGER DENISE L — DirectorGrant/award (A): 1,947 @ $0EDGAR
2026-04-224GIP ATLAS Holdings Ltd — 10% ownerPurchase (P): 50,385 @ $59.06EDGAR
2026-04-134ATLAS Infrastructure Partners (UK) Ltd. — 10% ownerPurchase (P): 50,385 @ $59.06EDGAR
2026-03-034Mattern Megan — CAO, PAO and ControllerGrant/award (A): 2,166 @ $0EDGAR
2026-03-034Brown Willie D. Jr. — VP & Gen CounselGrant/award (A): 1,384 @ $0 · Grant/award (A): 1,263 @ $0 · Tax withholding (F): 521 @ $53.79EDGAR
2026-03-034Hauk Bruce A — President and COOGrant/award (A): 2,743 @ $0 · Grant/award (A): 1,503 @ $0 · Tax withholding (F): 378 @ $53.79EDGAR
2026-03-034Kelly Ann P — CFO and TreasurerGrant/award (A): 1,707 @ $0EDGAR
2026-03-034Walters Andrew F — Chief Executive Officer, DirectorGrant/award (A): 5,950 @ $0 · Grant/award (A): 1,704 @ $0 · Tax withholding (F): 605 @ $53.79EDGAR
2026-03-034Rowe Nick Orlando — DirectorGrant/award (A): 505 @ $0EDGAR
2026-03-034Johnson A Kristen — Chief Administrative OfficerGrant/award (A): 1,312 @ $0 · Grant/award (A): 1,263 @ $0 · Tax withholding (F): 470 @ $53.79 · Grant/award (A): 145 (derivative)EDGAR
2026-01-064Brown Willie D. Jr. — VP & Gen CounselTax withholding (F): 565 @ $49.25 · Tax withholding (F): 178 @ $49.86EDGAR
2026-01-064Hauk Bruce A — President and COOTax withholding (F): 873 @ $49.25 · Tax withholding (F): 152 @ $49.86EDGAR
2026-01-064Kelly Ann P — CFO and TreasurerTax withholding (F): 200 @ $49.25EDGAR
2026-01-064Walters Andrew F — Chief Executive Officer, DirectorTax withholding (F): 682 @ $49.25 · Tax withholding (F): 216 @ $49.86EDGAR
2026-01-064Johnson A Kristen — Chief Administrative OfficerTax withholding (F): 514 @ $49.25 · Tax withholding (F): 160 @ $49.86EDGAR
2025-12-034Kelly Ann P — CFO and TreasurerTax withholding (F): 581 @ $46.86EDGAR
2025-12-034Johnson A Kristen — Chief Administrative OfficerGrant/award (A): 159 (derivative) @ $0EDGAR
2025-11-144Walters Andrew F — Chief Executive Officer, DirectorSale (S): 2,100 @ $47.22EDGAR
2025-09-044Johnson A Kristen — Chief Administrative OfficerGrant/award (A): 151 (derivative) @ $0EDGAR
2025-08-264Hauk Bruce A — President and COOTax withholding (F): 116 @ $50.98EDGAR
2025-07-314Mattern Megan — CAO, PAO and ControllerGrant/award (A): 2,356 @ $0 · Grant/award (A): 10,263 @ $0EDGAR
2025-07-034Hauk Bruce A — President and COOGrant/award (A): 2,076 @ $0EDGAR
2025-07-034Kelly Ann P — CFO and TreasurerGrant/award (A): 952 @ $0EDGAR
2025-07-034Walters Andrew F — Chief Executive Officer, DirectorGrant/award (A): 3,580 @ $0EDGAR
2025-07-034Johnson A Kristen — Chief Administrative OfficerGrant/award (A): 2,037 @ $0 · Grant/award (A): 0 (derivative) @ $0EDGAR
2025-06-044Patla Craig J — President of CTWSGrant/award (A): 31 (derivative) @ $0EDGAR
2025-06-044Johnson A Kristen — Chief Administrative OfficerGrant/award (A): 141 (derivative) @ $0EDGAR
2025-05-154Guardino Carl — DirectorGrant/award (A): 2,196 @ $0EDGAR
2025-05-154More Daniel B. — DirectorGrant/award (A): 2,196 @ $0EDGAR
2025-05-154KLEIN REBECCA A — DirectorGrant/award (A): 2,196 @ $0EDGAR

Recent 8-K events — H2O AMERICA

FiledFormItems reportedSource
2026-07-278-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-06-128-K5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
9.01 — Financial Statements and Exhibits
EDGAR
2026-05-198-K5.07 — Submission of Matters to a Vote of Security Holders
9.01 — Financial Statements and Exhibits
EDGAR
2026-04-288-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-03-048-K1.01 — Entry into a Material Definitive Agreement
7.01 — Regulation FD Disclosure
8.01 — Other Events
9.01 — Financial Statements and Exhibits
EDGAR
2026-03-028-K9.01 — Financial Statements and ExhibitsEDGAR
2026-02-258-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2025-12-298-K8.01 — Other Events
9.01 — Financial Statements and Exhibits
EDGAR
2025-12-158-K5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain OfficersEDGAR
2025-10-288-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
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