Harraden Circle Investments, LLC - 30 Sep 2025 SCHEDULE 13G/A Report for 1RT Acquisition Corp. Class A Common Stock (ONCH)

Filing Manager
Harraden Circle Investments, LLC
Reporting Manager
Harraden Circle Investments, LLC
Security
1RT Acquisition Corp. Class A Common Stock
Symbol
ONCH
Shares outstanding
17,243,586 shares
Disclosed Ownership
1,500,192 shares
Ownership
8.7%
Form type
SCHEDULE 13G/A
Filing time
14 Nov 2025, 09:00:03 UTC
Date of event
30 Sep 2025
SEC
View on sec.gov

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Quoteable Key Fact

"Harraden Circle Investments, LLC disclosed 8.7% ownership in 1RT Acquisition Corp. Class A Common Stock (ONCH) on 30 Sep 2025."

Quick Takeaways

  • Harraden Circle Investments, LLC filed SCHEDULE 13G/A for 1RT Acquisition Corp. Class A Common Stock (ONCH).
  • Disclosed ownership: 8.7%.
  • Date of event: 30 Sep 2025.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 14 Nov 2025, 09:00.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Official SEC Source

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (8)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Harraden Circle Investments, LLC 8.7% 1,500,192 0 1,500,192 /s/ Frederick V. Fortmiller, Jr. Frederick V. Fortmiller, Jr., managing member
Harraden Circle Investors GP, LP 8.7% 1,500,192 0 1,500,192 /s/ Frederick V. Fortmiller, Jr. Frederick V. Fortmiller, Jr., managing member; Harraden Circle Investors GP, LLC, general partner
Harraden Circle Investors GP, LLC 8.7% 1,500,192 0 1,500,192 /s/ Frederick V. Fortmiller, Jr. Frederick V. Fortmiller, Jr., managing member
Harraden Circle Investors, LP 4.2% 726,088 0 726,088 /s/ Frederick V. Fortmiller, Jr. Frederick V. Fortmiller, Jr., managing member; Harraden Circle Investors GP, LLC, general partner; Harraden Circle Investors GP, LP, general partner
Harraden Circle Special Opportunities, LP 2.2% 382,972 0 382,972 /s/ Frederick V. Fortmiller, Jr. Frederick V. Fortmiller, Jr., managing member; Harraden Circle Investors GP, LLC, general partner; Harraden Circle Investors GP, LP, general partner
Harraden Circle Strategic Investments, LP 1.4% 234,056 0 234,056 /s/ Frederick V. Fortmiller, Jr. Frederick V. Fortmiller, Jr., managing member; Harraden Circle Investors GP, LLC, general partner; Harraden Circle Investors GP, LP, general partner
Harraden Circle Concentrated, LP 0.91% 157,076 0 157,076 /s/ Frederick V. Fortmiller, Jr. Frederick V. Fortmiller, Jr., managing member; Harraden Circle Investors GP, LLC, general partner; Harraden Circle Investors GP, LP, general partner
Frederick V. Fortmiller, Jr. 8.7% 1,500,192 0 1,500,192 /s/ Frederick V. Fortmiller, Jr. Frederick V. Fortmiller, Jr.

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