XML 21 R10.htm IDEA: XBRL DOCUMENT
v3.25.4

Insider Trading Arrangements | 3 Months Ended
--- | ---
Dec. 31, 2025 shares
Trading Arrangements, by Individual |
Material Terms of Trading Arrangement | On December 8, 2025, Ichiro Aoki, President of the Company, adopted a Rule 10b5-1 trading arrangement that is intended to satisfy the affirmative defense of Rule 10b5-1(c) for the sale of up to 1,000,000 shares of Class A common stock until June 30, 2026. On December 12, 2025, Naixi Wu, Chief Financial Officer of the Company, adopted a Rule 10b5-1 trading arrangement that is intended to satisfy the affirmative defense of Rule 10b5-1(c) for the sale of up t o 269,464 sh ares of Class A common stock until December 15, 2027.
Non-Rule 10b5-1 Arrangement Adopted | false
Rule 10b5-1 Arrangement Terminated | false
Non-Rule 10b5-1 Arrangement Terminated | false
Ichiro Aoki [Member] |
Trading Arrangements, by Individual |
Name | Ichiro Aoki
Title | President
Rule 10b5-1 Arrangement Adopted | true
Adoption Date | December 8, 2025
Expiration Date | June 30, 2026
Aggregate Available | 1,000,000
Naixi Wu [Member] |
Trading Arrangements, by Individual |
Name | Naixi Wu
Title | Chief Financial Officer
Rule 10b5-1 Arrangement Adopted | true
Adoption Date | December 12, 2025
Expiration Date | December 15, 2027
Aggregate Available | 269,464

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 1 + Details
Name: | ecd_MtrlTermsOfTrdArrTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 1 + Details
Name: | ecd_NonRule10b51ArrAdoptedFlag
Namespace Prefix: | ecd_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 1 + Details
Name: | ecd_NonRule10b51ArrTrmntdFlag
Namespace Prefix: | ecd_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 1 + Details
Name: | ecd_Rule10b51ArrAdoptedFlag
Namespace Prefix: | ecd_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 1 + Details
Name: | ecd_Rule10b51ArrTrmntdFlag
Namespace Prefix: | ecd_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 2 -Subparagraph A + Details
Name: | ecd_TradingArrByIndTable
Namespace Prefix: | ecd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 2 -Subparagraph B + Details
Name: | ecd_TrdArrAdoptionDate
Namespace Prefix: | ecd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 2 -Subparagraph C + Details
Name: | ecd_TrdArrExpirationDate
Namespace Prefix: | ecd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 2 -Subparagraph A + Details
Name: | ecd_TrdArrIndName
Namespace Prefix: | ecd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 2 -Subparagraph A + Details
Name: | ecd_TrdArrIndTitle
Namespace Prefix: | ecd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 2 -Subparagraph D + Details
Name: | ecd_TrdArrSecuritiesAggAvailAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | ecd_IndividualAxis=indi_IchiroAokiMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_IndividualAxis=indi_NaixiWuMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |