SCHEDULE Filed 2026-01-02 Event 2025-12-31 SEC 0001539497-26-000002 →

ICAHN CARL C → Southwest Gas Holdings, Inc. SWX

Stake: 8.36% Shares: 6,032,604 CUSIP: 844895102 Class: Common Stock, par value $1.00 per share

Item 4 — Purpose of Transaction

Item 4 of the Schedule 13D is hereby amended by adding the following: On December 31, 2025, Mr. Andrew Teno, who was a designee of the Reporting Persons, resigned from the Board of Directors of the Issuer.

Cross-References

Insider Activity (last 365d)

0 transactions

0 buys · 0 sales · 0 awards/exercises

Issuer Cluster

3 13D/G filings on this issuer

2 other filings besides this one

Filer Track Record

57 filings by this filer

56 other filings in the data moat

Short Interest · settle 2026-03-31

DTC 2.60

1,428,599 shares short · +11.8% vs prior

Other 13D/G Filings on Southwest Gas Holdings, Inc.

Filed	Form	Filer	Stake	Shares
2026-01-29	SCHEDULE	ICAHN CARL C	4.99%	3,600,000	view →
2026-01-21	SCHEDULE	ICAHN CARL C	6.60%	4,761,357	view →

Other Filings by ICAHN CARL C

Filed	Form	Issuer	Stake	Shares
2026-01-29	SCHEDULE	Southwest Gas Holdings, Inc. SWX	4.99%	3,600,000	view →
2026-01-21	SCHEDULE	Southwest Gas Holdings, Inc. SWX	6.60%	4,761,357	view →
2025-02-21	SCHEDULE	CVR ENERGY INC CVI	67.20%	67,570,593	view →
2025-02-19	SCHEDULE	JETBLUE AIRWAYS CORP JBLU	9.52%	33,621,735	view →
2025-01-23	SCHEDULE	DANA INC DAN	9.85%	14,286,505	view →
2024-07-05	SC	ICAHN ENTERPRISES L.P. IEP	—	—	view →
2023-07-10	SC	ICAHN ENTERPRISES L.P. IEP	—	—	view →
2023-07-05	SC	ICAHN ENTERPRISES L.P. IEP	—	—	view →
2022-07-01	SC	ICAHN ENTERPRISES L.P. IEP	—	—	view →
2021-10-01	SC	ICAHN ENTERPRISES L.P. IEP	—	—	view →
2021-06-01	SC	Delek US Holdings, Inc. DK	—	—	view →
2021-06-01	SC	Cloudera, Inc.	—	—	view →
2021-05-17	SC	TENNECO INC	—	—	view →
2021-05-13	SC	TENNECO INC	—	—	view →
2021-05-11	SC	Delek US Holdings, Inc. DK	—	—	view →
2021-05-11	SC	TENNECO INC	—	—	view →
2021-05-10	SC	TENNECO INC	—	—	view →
2021-05-06	SC	HERBALIFE NUTRITION LTD. HLF	—	—	view →
2021-04-29	SC	OCCIDENTAL PETROLEUM CORP /DE/ OXY-WT	—	—	view →
2021-04-29	SC	ICAHN ENTERPRISES L.P. IEP	—	—	view →

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