v3.25.4
Stockholders' Equity and Share-Based Compensation (Tables)
12 Months Ended
Jan. 03, 2026
Stockholders' Equity and Share-Based Compensation  
Schedule of Estimated fair value of Employee Stock Purchase Rights under the ESPP

Fiscal Year Ended

January 3, 2026

December 28, 2024

Expected life

0.5 years

0.5 years

Risk-free interest rate

4.24% - 4.29%

5.26% - 5.37%

Expected volatility

71.5% - 92.5%

54.1% - 70.2%

Expected dividend yield

—%

—%

Summary of Stock Option Activity

  ​ ​ ​

  ​ ​ ​

  ​ ​ ​

Weighted

  ​ ​ ​

Weighted

Average

Average

Remaining

Aggregate 

Grant Date

Contractual

Intrinsic

  ​ ​ ​

Shares

  ​ ​ ​

Price

  ​ ​ ​

Term (in years)

  ​ ​ ​

Value(1)

Options outstanding, December 28, 2024

 

1,696

$

2.53

 

  ​

 

  ​

Granted

 

100

$

1.11

 

  ​

 

  ​

Exercised

 

$

 

  ​

 

  ​

`

 

  ​

 

  ​

 

  ​

 

  ​

Forfeited

 

(7)

$

0.74

 

  ​

 

  ​

Expired

 

(246)

$

2.15

 

  ​

 

  ​

Options outstanding, January 3, 2026

 

1,543

$

2.50

 

3.41

$

Vested and expected to vest at January 3, 2026

 

1,543

$

2.50

 

3.41

$

Options exercisable, January 3, 2026

 

1,390

$

2.65

 

2.81

$

  ​ ​ ​

  ​ ​ ​

  ​ ​ ​

Weighted

  ​ ​ ​

Weighted

Average

Average

Remaining

Aggregate 

Grant Date

Contractual

Intrinsic

  ​ ​ ​

Shares

  ​ ​ ​

Price

  ​ ​ ​

Term (in years)

  ​ ​ ​

Value(1)

Options outstanding, December 30, 2023

 

1,693

$

2.79

 

  ​

 

  ​

Granted

 

110

$

1.10

 

  ​

 

  ​

Exercised

 

$

 

  ​

 

  ​

Cancelled:

 

  ​

 

  ​

 

  ​

 

  ​

Forfeited

 

(4)

$

8.01

 

  ​

 

  ​

Expired

 

(103)

$

5.20

 

  ​

 

  ​

Options outstanding, December 28, 2024

 

1,696

$

2.53

 

4.45

$

2

Vested and expected to vest at December 28, 2024

 

1,696

$

2.53

 

4.45

$

2

Options exercisable, December 28, 2024

 

1,586

$

2.62

 

4.09

$

(1)These amounts represent the difference between the exercise price and the closing price of CarParts.com, Inc. common stock at the end of the respective fiscal year as reported on the NASDAQ Stock Market, for all options outstanding that have an exercise price currently below the closing price.