Datavault AI Inc. Quarterly report [Sections 13 or 15(d)]

Quarterly report [Sections 13 or 15(d)]

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Business and Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Fair Value Measurements - Fair value convertible notes (Details)

v3.25.3

Fair Value Measurements - Fair value convertible notes (Details) - USD ($) $ in Thousands		9 Months Ended
	Aug. 04, 2025	Sep. 30, 2025
Q3 2025 Notes
Fair Value Measurements
Change in fair value recorded in interest expense	$ 7,800
Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Interest Expense
Convertible Notes Payable \| Convertible Notes Excluding CSI Notes
Fair Value Measurements
Beginning balance		$ 10,000
Additions		25,557
Change in fair value recorded in interest expense		$ 19,339
Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]		Interest Expense
Amounts settled on DV note		$ (2,499)
Debt extinguishment		2,139
Ending balance		16,668
Convertible Notes Payable \| DV Convertible Note
Fair Value Measurements
Conversion on DV note		(3,100)
Convertible Notes Payable \| Q3 2025 Notes
Fair Value Measurements
Conversion on DV note		$ (34,768)

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