Recent 8-K filings for BRUN

• July 27, 2026, 7:30 AM ET other material materiality 0.60 neutral item 8.01item 9.01

  Boost Run calls warrants for redemption; $58.8M already received from 45% exercise

  Redemption price $0.01 per warrant; exercise deadline 5:00 p.m. ET on August 20, 2026.

• July 6, 2026, 7:00 AM ET other material materiality 0.65 positive item 7.01item 9.01

  Boost Run receives over $45M from public warrant exercises since business combination close

  Since May 8, 2026 business combination close, received over $45M gross proceeds from public warrant exercises.

• May 28, 2026, 5:28 PM ET other material materiality 0.80 positive item 1.01item 9.01 ◈ Material Agreements

  Boost Run signs $471.7M GPU compute deal with Thinking Machines Lab for 5,000 NVIDIA B300 GPUs

  36-month non-cancelable agreement with Thinking Machines Lab Inc. for high-performance GPU compute services.

• May 14, 2026, 5:28 PM ET M&A materiality 0.95 neutral item 1.01item 1.02item 2.01item 9.01item 3.01item 3.02item 3.03item 4.01item 5.01item 5.02item 5.03item 5.06item 7.01 ◈ Auditor Changes ×2◈ M&A Transactions

  Boost Run completes SPAC merger with Willow Lane; no redemptions, $441.5M equity value

  Boost Run completed merger with SPAC Willow Lane; no redemptions from $134.5M trust account.

• May 11, 2026, 7:59 PM ET other material materiality 0.75 positive item 7.01item 9.01

  Boost Run lists on Nasdaq with $940M contracted revenue; FY2026 ARR target $375M+

  $940M in long-term contracted revenue; majority in production, remainder scheduled for FY2026.

Materiality & sentiment trend

Max materiality 0.95 · Median 0.65 · Most common event other_material

3 positive 0 negative 4 neutral

source · BRUN on sec.gov