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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 ATLAS Infrastructure Partners and GIP ATLAS Holdings. This contrasts with earlier, smaller SELL transactions by executives. The company's stock has shown minimal price change over 90 days, currently near its 52-week high.
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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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