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Haymaker Acquisition Corp

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  1. Six More Blank Checks Filed In Two DaysSix S-1 and S-1/A filings hit the SEC in a single two-day window -- most of them blank-check shells and one crypto ETF -- continuing 2026's pattern of a busy pipeline dominated by speculative vehicles.→
  2. Two More S-1s Land: Enhanced Group, Serina TherapeuticsEnhanced Group filed a new S-1 on August 25 while biotech Serina Therapeutics registered up to 12.5 million shares for sale to Roth Principal Investments, two more entries in this week's dense small-cap SEC filing pipeline.→
  3. Ten SPAC and S-1 Filings Hit the Tape in 48 HoursAt least ten S-1 and SPAC registration filings landed with the SEC over August 24-25, 2026, spanning energy, biotech, fuel delivery and five separate blank-check companies.→
  4. Heyer Brothers File S-1 for Haymaker SPAC No. 5Steven and Andrew Heyer filed an S-1 for Haymaker Acquisition Corp V, their fifth consumer-focused blank-check company after prior SPACs that took OneSpaWorld, ARKO and Biote public.→
  5. Nine New SEC Filings Test a Crowded IPO CalendarNine new SEC registration statements filed August 24, spanning energy, biotech, minerals and blank-check issuers, show smaller companies still testing public markets this week.→

Coverage Timeline

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  1. Aug 24, 2026IPOHeyer Brothers File S-1 for Haymaker SPAC No. 5→

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