Summary
Updated Aug 31, 2026
1RT Acquisition Sponsor LLC is 10% Owner of 1RT Acquisition Corp. (ONCH). 1 SEC Form 4 filing on record, dated 1 July 2025. Lifetime open-market purchases: $3.00M.
Trading Pattern
InsiderAlpha's records for 1RT Acquisition Sponsor LLC go back to 2025: 1 primary Form 4 filing, an average of 0.5 per year. The typical open-market purchase is $3.00M (1 buy totaling $3.00M). The largest single buy on record is $3.00M of ONCH in 2025. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who have reported open-market trades at the same companies as 1RT Acquisition Sponsor LLC. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Daniel M. Tapiero - $3.00M of ONCH open-market activity on record
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- 2013 Trust fbo Evelyn R. Kuipers
- 2023 Grantor Retained Annuity Trust of Agnes C. Kim Dated 4/26/2023
- 2023 Grantor Retained Annuity Trust of James J. Kim Dated 4/26/2023
- 2023 Grantor Retained Annuity Trust of Susan Y. Kim Dated 9/15/2023
- 2024 Grantor Retained Annuity Trust of Agnes C. Kim dtd. 8/5/2024
- 2024 Grantor Retained Annuity Trust of James J. Kim dtd. 8/5/2024
- 2024 Grantor Retained Annuity Trust of Susan Y. Kim dtd. 8/5/2024
- 210 Capital, LLC
Frequently Asked Questions
What is 1RT Acquisition Sponsor LLC?
1RT Acquisition Sponsor LLC is a corporate entity, tracked as 10% Owner of 1RT Acquisition Corp. (ONCH). InsiderAlpha holds 1 primary Form 4 filing for it, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did 1RT Acquisition Sponsor LLC last file a Form 4?
The only primary Form 4 on record is dated 1 July 2025.
Has 1RT Acquisition Sponsor LLC been buying or selling stock?
Recorded transactions: 1 open-market purchase ($3.00M) and 0 open-market sales across all tracked filings.
Where can I see all of 1RT Acquisition Sponsor LLC's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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