STOCK TITAN

Tempus to acquire Personalis, Inc. (PSNL) in cash and stock merger

(Moderate)
(Neutral)
Form Type
SCHEDULE 13D/A

Rhea-AI Filing Summary

Tempus AI, Inc. and Eric Lefkofsky report beneficial ownership of 13,039,067.00 and 13,189,067.00 shares, respectively, of Personalis, Inc. common stock, representing 12.5% and 12.6% of 104,721,098 shares outstanding as of April 29, 2026.

Between November 18 and December 22, 2025, Tempus bought 320,267 shares on the open market for approximately $2.74 million from working capital. On July 20, 2026, Tempus agreed to acquire all outstanding Personalis shares through a two-step merger, offering Tempus Class A stock based on an Exchange Ratio tied to Tempus' volume-weighted average price and an option to pay cash for up to 50% of shares at $16.25 per share. The Exchange Ratio is fixed at 0.3356 if Tempus' stock price is at or below $48.42, and otherwise equals $16.25 divided by that price. Completion is subject to stockholder approval, regulatory clearances, effectiveness of a Form S-4, tax opinions and absence of specified material adverse effects. Either side may owe a termination or reverse termination fee of approximately $76.8 million if the agreement ends under certain conditions, and Personalis retains limited rights to consider superior proposals subject to restrictions and fees.

Positive

  • Definitive cash-and-stock merger at $16.25 per share cash for up to 50% of Personalis shares, plus Tempus stock, creates a defined liquidity event for stockholders, subject to regulatory and stockholder approvals and other closing conditions.

Negative

  • None.
Tempus beneficial ownership 13,039,067.00 shares (12.5%) Tempus AI, Inc. beneficially owns 13,039,067.00 shares of Personalis common stock, representing 12.5% of 104,721,098 shares outstanding as of April 29, 2026.
Eric Lefkofsky beneficial ownership 13,189,067.00 shares (12.6%) Eric Lefkofsky beneficially owns 13,189,067.00 shares of Personalis common stock, including 150,000 shares held directly, representing 12.6% of shares outstanding.
Shares outstanding baseline 104,721,098 shares Ownership percentages are based on 104,721,098 shares of Personalis common stock outstanding as of April 29, 2026.
Recent open-market purchases 320,267 shares for approximately $2.74 million Between November 18 and December 22, 2025, Tempus purchased 320,267 shares of Personalis common stock for aggregate consideration of approximately $2.74 million.
Per-share cash consideration $16.25 per share If Tempus makes a Tempus Cash Election, each Eligible Share subject to the election receives cash equal to the Per Share Cash Consideration of $16.25 per share, without interest.
Exchange Ratio floor 0.3356 at or below $48.42 If the Tempus Stock Price is equal to or less than the Floor Price of $48.42, the Exchange Ratio is fixed at 0.3356.
Termination and reverse termination fee approximately $76.8 million Both the termination fee payable by Personalis and the reverse termination fee payable by Tempus are approximately $76.8 million under specified conditions.
Outside Date for closing April 20, 2027 If the Effective Time has not occurred by April 20, 2027, subject to automatic extensions, the merger agreement may be terminated with potential reverse termination fee implications.
Exchange Ratio financial
"The Exchange Ratio will be fixed at 0.3356 if the Tempus Stock Price is equal to or less than the Floor Price."
The exchange ratio is the number used to decide how many shares of one company you get for each share you own in another company during a merger or acquisition. It’s like a recipe that tells you how to swap shares fairly, ensuring both companies’ values are balanced. This ratio matters because it determines how ownership divides between the companies' shareholders.
Tempus Cash Election financial
"Tempus may elect (a "Tempus Cash Election") to pay cash for up to 50% of the outstanding shares of Common Stock."
In-the-Money Issuer Option financial
"Each In-the-Money Issuer Option that is outstanding and unexercised immediately prior to the Effective Time will be cancelled or assumed as specified."
Issuer Adverse Change Recommendation regulatory
"Any such action in (a) is an "Issuer Adverse Change Recommendation" under the merger agreement."
reverse termination fee financial
"Tempus will be required to pay the Issuer a reverse termination fee of an amount in cash equal to approximately $76.8 million."
A reverse termination fee is a cash payment the would-be buyer agrees to pay the target if the buyer fails to close a merger or acquisition for specified reasons, such as losing financing or failing to obtain approvals. Think of it like a breakup fee the buyer agrees to pay as compensation for the seller’s lost time and missed opportunities; investors watch it because it signals deal certainty, potential cash recovery if a deal collapses, and shifts financial risk between the parties.
Superior Proposal regulatory
"The Issuer may engage with third parties regarding a written alternative acquisition proposal that could reasonably be expected to lead to a Superior Proposal."
A superior proposal is a competing offer to buy or merge with a company that is materially better than an existing deal, typically offering higher cash, stronger terms, or fewer conditions. It matters to investors because it can raise the expected payout or change deal certainty—like getting a higher bid at an auction, a superior proposal can increase share value or prompt renegotiation of the transaction.

AI-generated analysis. How Rhea-AI works. Not financial advice.

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google
Add on Google
Learn about SEC filing dates

FAQ

What ownership stake in Personalis (PSNL) does Tempus AI report?

Tempus AI reports beneficial ownership of 13,039,067.00 shares of Personalis common stock, representing 12.5% of the 104,721,098 shares outstanding as of April 29, 2026, based on Personalis’ Form 10-Q disclosure.

What are the key merger terms between Tempus AI and Personalis (PSNL)?

Tempus agreed to acquire all Personalis shares via a cash-and-stock merger, offering Tempus Class A stock plus optional cash for up to 50% of shares at $16.25 per share, subject to an Exchange Ratio formula and customary closing conditions.

How is the Exchange Ratio for Tempus stock in the Personalis (PSNL) deal set?

If Tempus’ stock price is at or below $48.42, the Exchange Ratio is fixed at 0.3356. Above that level, the ratio equals $16.25 divided by Tempus’ volume-weighted average price over 15 trading days before closing.

What termination fees apply under the Tempus–Personalis (PSNL) merger agreement?

If the merger agreement terminates in specified circumstances, Personalis may owe Tempus a termination fee of approximately $76.8 million, and Tempus may owe Personalis a reverse termination fee of approximately $76.8 million if certain regulatory-related conditions are not met.

What happens to Personalis (PSNL) stock options and RSUs in the Tempus merger?

In-the-money options and certain RSUs are either cancelled for Tempus stock consideration or assumed and converted into Tempus awards using the Exchange Ratio, while out-of-the-money options are cancelled without consideration, all as detailed in the merger agreement.

Did Tempus recently buy additional Personalis (PSNL) shares before the merger?

Yes. Between November 18 and December 22, 2025, Tempus purchased 320,267 Personalis shares in open-market transactions for aggregate consideration of approximately $2.74 million, funded from Tempus’ working capital.





71535D106

(CUSIP Number)
Andrew Polovin
600 West Chicago Avenue, Suite 510
Chicago, IL, 60654
(800) 976-5448

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)
07/19/2026

(Date of Event Which Requires Filing of This Statement)


If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).




schemaVersion:


SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D


Tempus AI, Inc.
Signature:/s/ Andrew Polovin
Name/Title:Andrew Polovin, Chief Legal Officer
Date:07/20/2026
Eric Lefkofsky
Signature:/s/ Eric Lefkofsky
Name/Title:Eric Lefkofsky
Date:07/20/2026