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- Dual Class Share Structure (new) — Tempus has a dual-class structure with Class B shares carrying 30 votes per share, all held by Mr. Lefkofsky, concentrating control.
- Controlled Company (new) — Tempus is a controlled company under Nasdaq rules, so post-merger Personalis stockholders may lack standard corporate governance protections.
- Combined Company Debt (new) — The combined company will carry about $1.4 billion in long-term debt, including $750 million convertible notes due 2030, which may limit financial flexibility.
- Termination Fee (new) — Personalis may be obligated to pay Tempus a termination fee of $76.8 million if the merger agreement is terminated under certain circumstances.
- Lower Floor Price Termination Right (new) — Personalis can terminate the merger if Tempus's stock price falls below $46.00 per share, and Tempus's stock has already traded below this level on several occasions since the merger announcement.
- Auditor Scope Limitation (new) — Tempus's auditor PwC excluded acquired companies Ambry Genetics and Paige.AI from its internal control assessment for 2025, meaning the effectiveness of internal controls for those acquired businesses was not evaluated.
Tempus AI to acquire Personalis for $16.25/share in stock or cash, with exchange ratio tied to Tempus price
Filed October 21, 2026 · ~2 min read
Key Changes
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Tempus AI proposes to acquire Personalis via a two-step merger; Personalis stockholders receive Tempus Class A shares or cash based on an exchange ratio tied to Tempus's stock price.
The Offering view on EDGAR → -
high
Exchange ratio is 0.3356 if Tempus price ≤ $48.42; if above, ratio = $16.25 / Tempus price, capping stock value at $16.25 per Personalis share.
The Offering view on EDGAR → -
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Tempus may elect to pay cash for up to 50% of Personalis shares, reducing stock issuance.
The Offering view on EDGAR →
8 more material changes behind this preview — plus the full narrative summary, section-by-section diffs against the prior filing, and verbatim quotes with EDGAR citations.
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Figures/quotes linked to EDGAR · Narrative written by AI · Oct 21, 2026 · How we verify