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Insider Buy ·Filed Sep 2, 2026
RN

RNAQ

Rainier Acquisition Corp
BULLISH
Impact 7/10
Horizonweeks Processed1mo ago SEC0001104659-26-104746
Insider cluster: 1 insiders, $2.0M total
Actionable Insight ▲ Bullish

This is a strong bullish signal from a control insider buying at trust value. Monitor for a de-SPAC announcement or business combination update — the insider's willingness to deploy $2.5M at $10 suggests high conviction in the target's value. The stock is likely to hold near $10 or appreciate on any positive deal news.

DirectionBullish
Confidencehigh
Horizonweeks

Price Chart

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Executive Summary

Director and 10% owner Jonas Grossman purchased a total of ~$2.5M of RNAQ shares on the open market over a 6-day window, with the bulk ($1.94M) on August 28, 2026. This is a significant conviction buy from a control insider at a SPAC trading near its $10 trust value, signaling strong confidence in a successful de-SPAC or value realization. The cluster is amplified by multiple statistically significant cross-filing patterns, increasing the signal strength.

Key Financial Metrics

Direction
buying
Total Value
$2.5M
Insiders
1

Key Facts

  • Director and 10% owner Jonas Grossman purchased ~$2.5M of RNAQ shares on the open market between Aug 28 and Sep 2, 2026.
  • The largest single purchase was $1.94M (194,375 shares at $10.00) on Aug 28.
  • All purchases were at $10.00 per share, near the SPAC's trust value, indicating no premium paid.
  • This is a conviction buy from a control insider, not a routine or 10b5-1 transaction.
  • Multiple cross-filing amplifier patterns (cluster-insider-trades + cluster-offering-context, etc.) increase the predictive signal of this cluster.

Financial Impact

Total insider purchases of ~$2.5M represent approximately 0.77% of the company's market cap (~$326M), which is a significant proportional investment for a SPAC.

insider ownershipmarket confidence

Risk Factors

  • SPACs carry inherent risk of deal failure or unfavorable terms; insider buying does not guarantee a successful de-SPAC.
  • The stock trades near trust value, limiting downside but also capping upside until a deal is announced.
  • If no deal materializes, the stock will likely redeem at $10, making this a low-risk but low-return position for the insider.

Market Snapshot

Exchange
Nasdaq

Documents Analyzed

This report is based on 1 SEC document filed with EDGAR.

DocumentAccession Number
INSIDER-BUY Data (Synthetic)0001104659-26-104746
3 reports for RNAQ
Performance horizon
Filters
Rows
Reports for RNAQ — sortable, filterable
TypeNow
Sep 8, 2026
6w ago
3
NEUTRAL ★ 4/10
—awaiting T+20——
Sep 2, 2026
7w ago
Insider Buy
BULLISH ★ 7/10
—awaiting T+20——
Aug 28, 2026
8w ago
Insider Buy
BULLISH ★ 6/10
—awaiting T+20——
Showing 3 of 3

US Market Status

Market Open — Closes in 5h 9m

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Report published Sep 3, 2026