v3.26.1
Fair Value Measurements (Tables) - Forge Nano, Inc.
3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Fair Value Measurements    
Summary of liabilities measured at fair value on a recurring basis

Liabilities Measured at Fair Value on a Recurring Basis at

March 31, 2026

Quoted Prices in

Significant

 

Active Markets

Other

 

Significant

for Identical

Observable

 

Unobservable

Balance at

Assets

Inputs

 

Inputs

March 31,

  ​ ​ ​

(Level 1)

  ​ ​ ​

(Level 2)

  ​ ​ ​

(Level 3)

  ​ ​ ​

2026

Liabilities

Warrants (Note 17)

$

$

$

5,830

$

5,830

Contingent consideration (Note 7)

954

954

Total liabilities

$

$

$

6,784

$

6,784

Liabilities Measured at Fair Value on a Recurring Basis at

December 31, 2025

Quoted Prices in

Significant

 

Active Markets

Other

 

Significant

for Identical

Observable

 

Unobservable

Balance at

Assets

Inputs

 

Inputs

December 31,

  ​ ​ ​

(Level 1)

  ​ ​ ​

(Level 2)

  ​ ​ ​

(Level 3)

  ​ ​ ​

2025

Liabilities

Warrants (Note 17)

$

$

$

5,624

$

5,624

Contingent consideration (Note 7)

748

748

Total Liabilities

$

$

$

6,372

$

6,372

  ​ ​ ​

Liabilities Measured at Fair Value on a Recurring Basis at 

December 31, 2025

Quoted Prices in

Active Markets

Significant Other

Significant

for Identical

Observable

Unobservable

Balance at

Assets

Inputs

Inputs

December 31,

  ​ ​ ​

(Level 1)

  ​ ​ ​

(Level 2)

  ​ ​ ​

(Level 3)

  ​ ​ ​

2025

Liabilities

  ​

  ​

  ​

  ​

Warrants (Note 17)

$

$

$

5,624

$

5,624

Contingent consideration (Note 7)

748

748

Derivative – conversion feature embedded in convertible debt (Note 17)

 

 

 

 

Total liabilities

$

$

$

6,372

$

6,372

  ​ ​ ​

Liabilities Measured at Fair Value on a Recurring Basis at 

December 31, 2024

Quoted Prices in 

Active Markets 

Significant Other

Significant

for Identical

Observable 

Unobservable 

Balance at 

Assets 

Inputs 

Inputs 

December 31,

  ​ ​ ​

(Level 1)

  ​ ​ ​

(Level 2)

  ​ ​ ​

(Level 3)

  ​ ​ ​

2024

Liabilities

  ​

  ​

  ​

  ​

Warrants (Note 17)

$

$

$

6,264

$

6,264

Contingent consideration (Note 7)

811

811

Derivative - conversion feature embedded in convertible debt
(Note 17)

393

393

Total Liabilities

$

$

$

7,468

$

7,468

Summary of derivative liabilities, including conversion feature embedded in convertible debt and warrants

Warrant and Derivative

Liability

March 31,

December 31,

  ​ ​ ​

2026

  ​ ​ ​

2025

Balance

$

5,624

$

6,657

Purchases, issuances, sales, and settlements:

Derivative – conversion feature embedded in convertible debt (Note 17)

(393)

Warrants exercised

(104)

Unrealized (gains) losses included in earnings related to investments still held as of reporting date

  ​ ​ ​

206

(536)

Balance

$

5,830

$

5,624

  ​ ​ ​

Warrant and Derivative 

Liability

  ​ ​ ​

2025

  ​ ​ ​

2024

Balance

$

6,657

$

6,816

Purchases, issuances, sales, and settlements:

 

  ​

Derivative – conversion feature embedded in convertible debt (Note 17)

 

(393)

393

Warrants exercised

 

(104)

(918)

Unrealized (gains) losses included in earnings related to investments still held as of reporting date

 

(536)

366

Balance

$

5,624

$

6,657