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STOCKHOLDERS’ EQUITY - Vallon - Q1 (Tables)
9 Months Ended
Sep. 30, 2023
Equity [Line Items]  
Schedule of the Fair Value of the Warrants
The Black-Scholes valuation model was used to estimate the fair value of the warrants with the following weighted-average assumptions:
September 30, 2023December 31, 2022
Volatility167.7 %139.9 %
Expected term in years2.5 2.5 
Dividend rate0.0 %0.0 %
Risk-free interest rate4.92 %4.32 %
The Black-Scholes option-pricing model was used to estimate the fair value of the Equity Warrants, the Exchange Warrants and the Advisor Warrants with the following weighted-average assumptions:
Volatility167.6 %
Expected term in years1.69
Dividend rate0.0 %
Risk-free interest rate4.37 %
Schedule of Warrants Outstanding to Purchase Common Stock
As of September 30, 2023, the Company had the following warrants outstanding to purchase common stock.
Number of SharesExercise Price per ShareExpiration Date
8,629$34.76November 2023
1,438$34.76December 2023
1,142,289$14.74June 2025
3,758$300.00February 2026
24,667$28.15May 2027
1,168$0.01July 2027
2,402$61.39April 2028
421,590$14.73
60 months after registration date
1,269,210$13.51
60 months after registration date
814,467$12.28
24 months after registration date
GRI Bio, Inc. (Formerly Vallon Pharmaceuticals, Inc.)  
Equity [Line Items]  
Schedule of the Fair Value of the Warrants
The Black-Scholes valuation model was used to estimate the fair value of the Warrants with the following weighted-average assumptions:
December 31, 2022March 31, 2023
Volatility139.9 %159.4 %
Expected term in years2.52.5
Dividend rate0.0 %0.0 %
Risk-free interest rate4.32 %3.94 %
The Black-Scholes option-pricing model was used to estimate the fair value of the Underwriters’ Warrants with the following weighted-average assumptions:
Volatility85.0 %
Expected term in years2.5
Dividend rate0.0 %
Risk-free interest rate0.155 %
Schedule of Warrants Outstanding to Purchase Common Stock
As of March 31, 2023, Vallon had the following warrants outstanding to purchase common stock.
Number of SharesExercise Price per ShareExpiration Date
3,758$300.00February 12, 2026
24,667$28.146May 17, 2027