Form4insider filings, from the source

Company · CIK 0002147219 · SIC 6770 — Blank Checks

Rainier Acquisition Corp · RNAQ

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $2.0M · 2sales $0 · 0net $2.0M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesAug 27Aug 28Aug 29Aug 30Aug 31Sep 1Sep 3

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 2, 2026 PForm 4 →Sep 2, 4:21 pm EDTJonas Grossman +1Director, 10% Owner5,625$10.00$56,250200,000+2.89%
Aug 28, 2026 PForm 4 →Aug 28, 5:35 pm EDTJonas Grossman +1Director, 10% Owner194,375$10.00$1,943,750194,375—

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 2, 2026 PForm 4 →Sep 2, 4:21 pm EDTJonas Grossman +1Director, 10% Owner1,407$10.00$14,07050,000—
Aug 28, 2026 PForm 4 →Aug 28, 5:35 pm EDTJonas Grossman +1Director, 10% Owner48,593$10.00$485,93048,593—