Form 4 for NRGV Energy Vault Holdings, Inc.

Accepted 2026-08-17 09:57:22 ET · period of report 2026-08-14 · accession 0001828536-26-000103 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
MI	2026-08-17 09:57	2026-08-14	NRGV	Hixon Dylan	Dir	P - Purchase	$3.74	+85.5K	31.9K	New	+$319.8K

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Stock	2026-08-14	P	A	26,845	$3.73	26,845	I Held by DHH Hixon Family Great Grandchildrens Trust FBO Casimir R. Hixon	—	—	(F1) Mr. Hixon is the sole trustee of the DHH Hixon Family Great Grandchildrens Trust FBO Casimir R. Hixon. Mr. Hixon may be deemed to have beneficial ownership of the securities held by such trust. Mr. Hixon disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.
2	Common	Common Stock	2026-08-14	P	A	26,809	$3.73	26,809	I Held by DHH Hixon Family Great Grandchildrens Trust FBO Soren A. Hixon	—	—	(F2) Mr. Hixon is the sole trustee of the DHH Hixon Family Great Grandchildrens Trust FBO Soren A. Hixon. Mr. Hixon may be deemed to have beneficial ownership of the securities held by such trust. Mr. Hixon disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.
3	Common	Common Stock	2026-08-14	P	A	31,864	$3.75	31,864	I By son	—	—	(F3) This transaction involved the purchase of shares of common stock by the reporting persons son. The reporting person disclaims beneficial ownership of the securities held by his son, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for purposes of Section 16 or for any other purpose.