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United States Water Utilities

H2O America (HTO)

Track

In the last 90 days, H2O America saw two significant BUY transactions totaling $5.95 million from GIP ATLAS Holdings Ltd and ATLAS Infrastructure Partners (UK) Ltd. This contrasts with earlier periods showing smaller SELL transactions from executives. The company's stock has seen a slight decrease of 1.2% over 90 days.
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Ticker: HTO Exchange: NSM
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
GIP ATLAS Holdings Ltd
1 purchase — total 2,975,919 USD
Buy 10 Apr 2026
Value US$2,170,656.31 | Price 333.63 | Shares 20,171
Buy 10 Apr 2026
Value US$4,913,573.71 | Price 460.06 | Shares 12,587
Sale 13 Nov 2025
Value US$99,162.00 | Price 47.22 | Shares 2,100
Proposed sale 13 Nov 2025
Value US$98,721.00 | Price 47.01 | Shares 2,100
Sale 22 Aug 2024
Value US$6,643.55 | Price 57.77 | Shares 115
Proposed sale 7 May 2024
Value US$77,200.00 | Price 55.14 | Shares 1,400
Sale 7 May 2024
Value US$77,868.00 | Price 55.62 | Shares 1,400
Planned sale 3 May 2023
Value US$59,075.31 | Price 76.03 | Shares 777
Proposed sale 3 May 2023
Value US$58,826.67 | Price 75.71 | Shares 777
Sale 27 Mar 2023
Value US$55,165.25 | Price 76.09 | Shares 725
Sale 23 Nov 2022
Value US$62,017.60 | Price 74.72 | Shares 830
Planned sale 3 Nov 2022
Value US$47,694.43 | Price 67.27 | Shares 709
Planned sale 20 Oct 2022
Value US$50,966.41 | Price 63.47 | Shares 803
Planned sale 6 Oct 2022
Value US$37,820.00 | Price 61.00 | Shares 620
Planned sale 22 Sep 2022
Value US$33,232.55 | Price 62.35 | Shares 533
Planned sale 20 Sep 2022
Value US$75,576.00 | Price 64.32 | Shares 1,175
Sale 7 Dec 2021
Value US$160,242.74 | Price 69.58 | Shares 2,303
Sale 3 Dec 2021
Value US$136,820.00 | Price 68.41 | Shares 2,000
Sale 10 Dec 2020
Value US$67,930.00 | Price 67.93 | Shares 1,000
Sale 8 Dec 2020
Value US$36,965.50 | Price 67.21 | Shares 550
Sale 25 Nov 2020
Value US$261,516.82 | Price 67.09 | Shares 3,898
Sale 25 Nov 2020
Value US$67,350.00 | Price 67.35 | Shares 1,000
Sale 16 Nov 2020
Value US$6,834.00 | Price 67.00 | Shares 102
Buy 1 Jun 2020
Value US$1,826.13 | Price 62.97 | Shares 29
Sale 14 Apr 2020
Value US$6,441.00 | Price 64.41 | Shares 100
Sale 14 Apr 2020
Value US$6,399.00 | Price 63.99 | Shares 100
Sale 14 Apr 2020
Value US$6,386.00 | Price 63.86 | Shares 100
Sale 14 Apr 2020
Value US$13,017.50 | Price 63.50 | Shares 205
Sale 14 Apr 2020
Value US$6,330.00 | Price 63.30 | Shares 100
Sale 14 Apr 2020
Value US$6,311.00 | Price 63.11 | Shares 100
Sale 10 Mar 2020
Value US$6,657.00 | Price 66.57 | Shares 100
Sale 10 Mar 2020
Value US$13,216.00 | Price 66.08 | Shares 200
Sale 10 Mar 2020
Value US$6,596.00 | Price 65.96 | Shares 100
Sale 10 Mar 2020
Value US$6,584.00 | Price 65.84 | Shares 100
Sale 10 Mar 2020
Value US$13,160.00 | Price 65.80 | Shares 200
Sale 10 Mar 2020
Value US$6,575.00 | Price 65.75 | Shares 100
Sale 10 Mar 2020
Value US$343,715.96 | Price 64.27 | Shares 5,348
Buy 4 Mar 2020
Value US$22,521.60 | Price 65.28 | Shares 345
Buy 2 Mar 2020
Value US$1,965.90 | Price 65.53 | Shares 30
Buy 2 Mar 2020
Value US$386.52 | Price 64.42 | Shares 6
Buy 2 Mar 2020
Value US$1,411.74 | Price 61.38 | Shares 23
Sale 11 Feb 2020
Value US$7,315.00 | Price 73.15 | Shares 100
Sale 11 Feb 2020
Value US$7,307.00 | Price 73.07 | Shares 100
Sale 11 Feb 2020
Value US$7,304.00 | Price 73.04 | Shares 100
Sale 11 Feb 2020
Value US$14,604.00 | Price 73.02 | Shares 200
Sale 11 Feb 2020
Value US$7,294.00 | Price 72.94 | Shares 100
Sale 11 Feb 2020
Value US$7,293.00 | Price 72.93 | Shares 100
Sale 11 Feb 2020
Value US$7,281.00 | Price 72.81 | Shares 100
Sale 14 Jan 2020
Value US$20,994.00 | Price 69.98 | Shares 300
Sale 14 Jan 2020
Value US$27,964.00 | Price 69.91 | Shares 400
Sale 14 Jan 2020
Value US$6,985.00 | Price 69.85 | Shares 100
Sale 14 Jan 2020
Value US$6,971.00 | Price 69.71 | Shares 100
Sale 14 Jan 2020
Value US$6,968.00 | Price 69.68 | Shares 100
Sale 10 Dec 2019
Value US$3,853.98 | Price 71.37 | Shares 54
Sale 10 Dec 2019
Value US$7,128.00 | Price 71.28 | Shares 100
Sale 10 Dec 2019
Value US$7,126.00 | Price 71.26 | Shares 100
Sale 10 Dec 2019
Value US$10,399.58 | Price 71.23 | Shares 146
Sale 10 Dec 2019
Value US$7,118.00 | Price 71.18 | Shares 100
Sale 10 Dec 2019
Value US$7,117.00 | Price 71.17 | Shares 100
Sale 10 Dec 2019
Value US$7,111.00 | Price 71.11 | Shares 100
Sale 10 Dec 2019
Value US$7,107.00 | Price 71.07 | Shares 100
Sale 10 Dec 2019
Value US$7,101.00 | Price 71.01 | Shares 100
Sale 10 Dec 2019
Value US$6,319.00 | Price 71.00 | Shares 89
Sale 10 Dec 2019
Value US$70.99 | Price 70.99 | Shares 1
Sale 10 Dec 2019
Value US$709.80 | Price 70.98 | Shares 10
Buy 2 Dec 2019
Value US$1,275.84 | Price 70.88 | Shares 18
Buy 12 Nov 2019
Value US$67,250.00 | Price 67.25 | Shares 1,000
Buy 12 Nov 2019
Value US$67,200.00 | Price 67.20 | Shares 1,000
Buy 12 Nov 2019
Value US$67,140.00 | Price 67.14 | Shares 1,000
Buy 12 Nov 2019
Value US$67,190.00 | Price 67.19 | Shares 1,000
Buy 12 Nov 2019
Value US$33,660.00 | Price 67.32 | Shares 500
Buy 12 Nov 2019
Value US$67,190.00 | Price 67.19 | Shares 1,000
Buy 12 Nov 2019
Value US$67,240.00 | Price 67.24 | Shares 1,000
Buy 12 Nov 2019
Value US$67,240.00 | Price 67.24 | Shares 1,000
Buy 3 Sep 2019
Value US$1,301.69 | Price 68.51 | Shares 19
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-04-22 2026-04-10 B Purchase
GIP ATLAS Holdings Ltd
Large shareholder
20,171 -42.1%
333.63
US$2,170,656 		20,171 -42.1% 333.63 US$2,170,656
2026-04-13 2026-04-10 B Purchase
ATLAS Infrastructure Partners (UK) Ltd.
Large shareholder
12,587 +10.0%
460.06
US$4,913,574 		12,587 +10.0% 460.06 US$4,913,574
2025-11-14 2025-11-13 S Sale
2.1
Walters Andrew F

Chief Executive Officer

Executive Director
21,075 -4.2%
297.75
US$922,969 		21,075 -4.2% 297.75 US$922,969
2025-11-13 2025-11-13 PrS Proposed sale
2.1
Andrew F. Walters

CEO, Director

Non-Executive Director
2,100
47.01
US$98,721 		2,100 47.01 US$98,721
2024-08-23 2024-08-22 S Sale
2.2
Hauk Bruce A

Chief Operating Officer

Officer
115 -1.4%
57.77
US$6,644 		115 -1.4% 57.77 US$6,644
2024-05-07 2024-05-07 PrS Proposed sale
2.3
Patla Craig J

Officer; President of CTWS

Officer
1,400
55.14
US$77,200 		1,400 55.14 US$77,200
2024-05-07 2024-05-07 S Sale
2.3
Patla Craig J

President of CTWS

Officer
1,400 -29.8%
55.62
US$77,868 		1,400 -29.8% 55.62 US$77,868
2023-05-05 2023-05-03 PlS Planned sale
Guardino Carl
Non-Executive Director
777 -19.6%
76.03
US$59,075 		777 -19.6% 76.03 US$59,075
2023-05-03 2023-05-03 PrS Proposed sale
Carl Thomas Guardino

Director

Non-Executive Director
777
75.71
US$58,827 		777 75.71 US$58,827
2023-03-28 2023-03-27 S Sale
2.3
Patla Craig J

President of CTWS

Officer
725 -9.3%
76.09
US$55,165 		725 -9.3% 76.09 US$55,165
2022-12-22 2022-11-23 S Sale
2.1
Gere Andrew

President and COO

Officer
830 -100.0%
74.72
US$62,018 		830 -100.0% 74.72 US$62,018
2022-11-04 2022-11-03 PlS Planned sale
3.6
Lynch James Patrick

Chief Accounting Officer

Officer
709 -2.7%
67.27
US$47,694 		709 -2.7% 67.27 US$47,694
2022-10-21 2022-10-20 PlS Planned sale
3.6
Lynch James Patrick

Chief Accounting Officer

Officer
803 -3.0%
63.47
US$50,966 		803 -3.0% 63.47 US$50,966
2022-10-11 2022-10-06 PlS Planned sale
3.6
Lynch James Patrick

Chief Accounting Officer

Officer
620 -2.3%
61.00
US$37,820 		620 -2.3% 61.00 US$37,820
2022-09-26 2022-09-22 PlS Planned sale
3.6
Lynch James Patrick

Chief Accounting Officer

Officer
533 -1.9%
62.35
US$33,233 		533 -1.9% 62.35 US$33,233
2022-09-21 2022-09-20 PlS Planned sale
Guardino Carl
Non-Executive Director
1,175 -30.1%
64.32
US$75,576 		1,175 -30.1% 64.32 US$75,576
2021-12-09 2021-12-07 S Sale
1.9
ARMSTRONG KATHARINE
Non-Executive Director
2,303 -46.0%
69.58
US$160,243 		2,303 -46.0% 69.58 US$160,243
2021-12-06 2021-12-03 S Sale
1.9
ARMSTRONG KATHARINE
Non-Executive Director
2,000 -28.6%
68.41
US$136,820 		2,000 -28.6% 68.41 US$136,820
2020-12-14 2020-12-10 S Sale
3.6
Lynch James Patrick

CFO/Treasurer

Officer
1,000 -4.2%
67.93
US$67,930 		1,000 -4.2% 67.93 US$67,930
2020-12-09 2020-12-08 S Sale
2.4
AVILA-WALKER WENDY

VP of Finance, Controller

Officer
550 -12.4%
67.21
US$36,966 		550 -12.4% 67.21 US$36,966
2020-11-30 2020-11-25 S Sale
2.1
Walters Andrew F

Chief Corp Development Officer

Officer
3,898 -27.4%
67.09
US$261,517 		3,898 -27.4% 67.09 US$261,517
2020-11-30 2020-11-25 S Sale
2.1
Walters Andrew F

Chief Corp Development Officer

Officer
1,000 -6.6%
67.35
US$67,350 		1,000 -6.6% 67.35 US$67,350
2020-11-17 2020-11-16 S Sale
2.1
Walters Andrew F

Chief Corp Development Officer

Officer
102 -0.7%
67.00
US$6,834 		102 -0.7% 67.00 US$6,834
2020-11-19 2020-06-01 B Purchase
3.0
More Daniel B.
Non-Executive Director
29 +0.6%
62.97
US$1,826 		29 +0.6% 62.97 US$1,826
2020-04-15 2020-04-14 S Sale
3.6
Lynch James Patrick

CFO/Treasurer

Officer
100 -0.4%
64.41
US$6,441 		100 -0.4% 64.41 US$6,441
2020-04-15 2020-04-14 S Sale
3.6
Lynch James Patrick

CFO/Treasurer

Officer
100 -0.4%
63.99
US$6,399 		100 -0.4% 63.99 US$6,399
2020-04-15 2020-04-14 S Sale
3.6
Lynch James Patrick

CFO/Treasurer

Officer
100 -0.4%
63.86
US$6,386 		100 -0.4% 63.86 US$6,386
2020-04-15 2020-04-14 S Sale
3.6
Lynch James Patrick

CFO/Treasurer

Officer
205 -0.8%
63.50
US$13,018 		205 -0.8% 63.50 US$13,018
2020-04-15 2020-04-14 S Sale
3.6
Lynch James Patrick

CFO/Treasurer

Officer
100 -0.4%
63.30
US$6,330 		100 -0.4% 63.30 US$6,330
2020-04-15 2020-04-14 S Sale
3.6
Lynch James Patrick

CFO/Treasurer

Officer
100 -0.4%
63.11
US$6,311 		100 -0.4% 63.11 US$6,311
2020-03-12 2020-03-10 S Sale
3.6
Lynch James Patrick

CFO/Treasurer

Officer
100 -0.4%
66.57
US$6,657 		100 -0.4% 66.57 US$6,657
2020-03-12 2020-03-10 S Sale
3.6
Lynch James Patrick

CFO/Treasurer

Officer
200 -0.8%
66.08
US$13,216 		200 -0.8% 66.08 US$13,216
2020-03-12 2020-03-10 S Sale
3.6
Lynch James Patrick

CFO/Treasurer

Officer
100 -0.4%
65.96
US$6,596 		100 -0.4% 65.96 US$6,596
2020-03-12 2020-03-10 S Sale
3.6
Lynch James Patrick

CFO/Treasurer

Officer
100 -0.4%
65.84
US$6,584 		100 -0.4% 65.84 US$6,584
2020-03-12 2020-03-10 S Sale
3.6
Lynch James Patrick

CFO/Treasurer

Officer
200 -0.8%
65.80
US$13,160 		200 -0.8% 65.80 US$13,160
2020-03-12 2020-03-10 S Sale
3.6
Lynch James Patrick

CFO/Treasurer

Officer
100 -0.4%
65.75
US$6,575 		100 -0.4% 65.75 US$6,575
2020-03-12 2020-03-10 S Sale
2.2
KING DOUGLAS R
Non-Executive Director
5,348 -50.9%
64.27
US$343,716 		5,348 -50.9% 64.27 US$343,716
2020-03-05 2020-03-04 B Purchase
1.0
HANLEY MARY ANN
Non-Executive Director
345 +inf%
65.28
US$22,522 		345 +inf% 65.28 US$22,522
2022-12-22 2020-03-02 B Purchase
2.1
Gere Andrew

President and COO

Officer
30 +7.5%
65.53
US$1,966 		30 +7.5% 65.53 US$1,966
2022-12-22 2020-03-02 B Purchase
2.1
Gere Andrew

President and COO

Officer
6 +6.0%
64.42
US$387 		6 +6.0% 64.42 US$387
2020-11-19 2020-03-02 B Purchase
3.0
More Daniel B.
Non-Executive Director
23 +0.5%
61.38
US$1,412 		23 +0.5% 61.38 US$1,412
2020-02-12 2020-02-11 S Sale
3.6
Lynch James Patrick

CFO/Treasurer

Officer
100 -0.4%
73.15
US$7,315 		100 -0.4% 73.15 US$7,315
2020-02-12 2020-02-11 S Sale
3.6
Lynch James Patrick

CFO/Treasurer

Officer
100 -0.4%
73.07
US$7,307 		100 -0.4% 73.07 US$7,307
2020-02-12 2020-02-11 S Sale
3.6
Lynch James Patrick

CFO/Treasurer

Officer
100 -0.4%
73.04
US$7,304 		100 -0.4% 73.04 US$7,304
2020-02-12 2020-02-11 S Sale
3.6
Lynch James Patrick

CFO/Treasurer

Officer
200 -0.8%
73.02
US$14,604 		200 -0.8% 73.02 US$14,604
2020-02-12 2020-02-11 S Sale
3.6
Lynch James Patrick

CFO/Treasurer

Officer
100 -0.4%
72.94
US$7,294 		100 -0.4% 72.94 US$7,294
2020-02-12 2020-02-11 S Sale
3.6
Lynch James Patrick

CFO/Treasurer

Officer
100 -0.4%
72.93
US$7,293 		100 -0.4% 72.93 US$7,293
2020-02-12 2020-02-11 S Sale
3.6
Lynch James Patrick

CFO/Treasurer

Officer
100 -0.4%
72.81
US$7,281 		100 -0.4% 72.81 US$7,281
2020-01-15 2020-01-14 S Sale
3.6
Lynch James Patrick

CFO/Treasurer
300 -1.2%
69.98
US$20,994 		300 -1.2% 69.98 US$20,994
2020-01-15 2020-01-14 S Sale
3.6
Lynch James Patrick

CFO/Treasurer
400 -1.6%
69.91
US$27,964 		400 -1.6% 69.91 US$27,964
2020-01-15 2020-01-14 S Sale
3.6
Lynch James Patrick

CFO/Treasurer
100 -0.4%
69.85
US$6,985 		100 -0.4% 69.85 US$6,985
2020-01-15 2020-01-14 S Sale
3.6
Lynch James Patrick

CFO/Treasurer
100 -0.4%
69.71
US$6,971 		100 -0.4% 69.71 US$6,971
2020-01-15 2020-01-14 S Sale
3.6
Lynch James Patrick

CFO/Treasurer
100 -0.4%
69.68
US$6,968 		100 -0.4% 69.68 US$6,968
2019-12-12 2019-12-10 S Sale Lynch James Patrick

CFO/Treasurer

Officer
54 -0.2%
71.37
US$3,854 		54 -0.2% 71.37 US$3,854
2019-12-12 2019-12-10 S Sale Lynch James Patrick

CFO/Treasurer

Officer
100 -0.4%
71.28
US$7,128 		100 -0.4% 71.28 US$7,128
2019-12-12 2019-12-10 S Sale Lynch James Patrick

CFO/Treasurer

Officer
100 -0.4%
71.26
US$7,126 		100 -0.4% 71.26 US$7,126
2019-12-12 2019-12-10 S Sale Lynch James Patrick

CFO/Treasurer

Officer
146 -0.6%
71.23
US$10,400 		146 -0.6% 71.23 US$10,400
2019-12-12 2019-12-10 S Sale Lynch James Patrick

CFO/Treasurer

Officer
100 -0.4%
71.18
US$7,118 		100 -0.4% 71.18 US$7,118
2019-12-12 2019-12-10 S Sale Lynch James Patrick

CFO/Treasurer

Officer
100 -0.4%
71.17
US$7,117 		100 -0.4% 71.17 US$7,117
2019-12-12 2019-12-10 S Sale Lynch James Patrick

CFO/Treasurer

Officer
100 -0.4%
71.11
US$7,111 		100 -0.4% 71.11 US$7,111
2019-12-12 2019-12-10 S Sale Lynch James Patrick

CFO/Treasurer

Officer
100 -0.4%
71.07
US$7,107 		100 -0.4% 71.07 US$7,107
2019-12-12 2019-12-10 S Sale Lynch James Patrick

CFO/Treasurer

Officer
100 -0.4%
71.01
US$7,101 		100 -0.4% 71.01 US$7,101
2019-12-12 2019-12-10 S Sale Lynch James Patrick

CFO/Treasurer

Officer
89 -0.3%
71.00
US$6,319 		89 -0.3% 71.00 US$6,319
2019-12-12 2019-12-10 S Sale Lynch James Patrick

CFO/Treasurer

Officer
1 -0.0%
70.99
US$71 		1 -0.0% 70.99 US$71
2019-12-12 2019-12-10 S Sale Lynch James Patrick

CFO/Treasurer

Officer
10 -0.0%
70.98
US$710 		10 -0.0% 70.98 US$710
2020-11-19 2019-12-02 B Purchase
3.0
More Daniel B.
Non-Executive Director
18 +0.4%
70.88
US$1,276 		18 +0.4% 70.88 US$1,276
2019-11-14 2019-11-12 B Purchase
2.2
Van Valer Robert A
1,000 +1.1%
67.25
US$67,250 		1,000 +1.1% 67.25 US$67,250
2019-11-14 2019-11-12 B Purchase
2.2
Van Valer Robert A
1,000 +1.1%
67.20
US$67,200 		1,000 +1.1% 67.20 US$67,200
2019-11-14 2019-11-12 B Purchase
2.2
Van Valer Robert A
1,000 +1.1%
67.14
US$67,140 		1,000 +1.1% 67.14 US$67,140
2019-11-14 2019-11-12 B Purchase
2.2
Van Valer Robert A
1,000 +1.1%
67.19
US$67,190 		1,000 +1.1% 67.19 US$67,190
2019-11-14 2019-11-12 B Purchase
2.2
Van Valer Robert A
500 +0.6%
67.32
US$33,660 		500 +0.6% 67.32 US$33,660
2019-11-14 2019-11-12 B Purchase
2.2
Van Valer Robert A
1,000 +1.1%
67.19
US$67,190 		1,000 +1.1% 67.19 US$67,190
2019-11-14 2019-11-12 B Purchase
2.2
Van Valer Robert A
1,000 +1.2%
67.24
US$67,240 		1,000 +1.2% 67.24 US$67,240
2019-11-14 2019-11-12 B Purchase
2.2
Van Valer Robert A
1,000 +1.2%
67.24
US$67,240 		1,000 +1.2% 67.24 US$67,240
2020-11-19 2019-09-03 B Purchase
3.0
More Daniel B.
Non-Executive Director
19 +0.4%
68.51
US$1,302 		19 +0.4% 68.51 US$1,302
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