425 ·Filed Jul 20, 2026

PSNL

Personalis, Inc.
BULLISH
Impact 7/10
Horizonmonths Processed2mo ago SEC0001193125-26-308500
Rule 425 M&A communications
Actionable Insight ▲ Bullish

PSNL shares should trade near the $16.25 deal price with a small spread reflecting closing risk (shareholder vote, regulatory approvals, and the Tempus stock price floor of $46.00). Monitor for any competing bids, regulatory hurdles, or shareholder dissent. TEM shares may face modest dilution overhang given the stock consideration structure.

DirectionBullish
Confidencehigh
Horizonmonths
Latest settled — T+20d ⚠ clustered
PSNL ▲ +4.12% at T+20d
LONG call ✓ call won +4.12% · α vs SPY +0.00% · entry $13.34 → $13.89
Next anchor: T+60d in 11d
Latest observation: T+49 -33.93% FF3 residual α
Entry anchored
Jul 20, 09:19 AM ET
via exchange tick
T+1d
+0.75%
call +0.75% · α -0.08%
$13.44
settled 2mo ago
T+5d
-11.69%
call -11.69% · α -11.27%
$11.78
settled 2mo ago
T+20d
+4.12%
call +4.12% · α +0.00%
$13.89
settled 7w ago
T+60d
—
call — · α —
—
in 11d

Price Chart

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Executive Summary

Tempus AI (TEM) announced a definitive agreement to acquire Personalis (PSNL) for $16.25 per share in a stock transaction valued at $1.5 billion enterprise value, representing a 6% premium to the prior close and a 28% premium to the 30-day VWAP. The deal combines Personalis' MRD technology with Tempus' AI platform and commercial infrastructure, with closing expected in late 2026 or early 2027. Personalis also reported preliminary Q2 revenue of $22.4 million and 10,384 clinical tests, a 33% sequential volume increase.

Key Financial Metrics

Deal Value
$1.5B
Premium
6%
Deal Type
merger

Key Facts

  • Tempus to acquire Personalis for $16.25 per share, total enterprise value of $1.5 billion
  • Consideration is 100% stock with Tempus option to elect cash up to 50%
  • Premium of 6% to Friday's close and 28% to 30-day VWAP
  • Personalis reported preliminary Q2 revenue of $22.4 million and 10,384 clinical tests (+33% QoQ)
  • Closing expected late 2026 or early 2027, subject to shareholder and regulatory approvals
  • Transaction approved by both boards; Personalis conducted an 'exhaustive process'
  • MRD market described as a $20 billion opportunity

Financial Impact

$1.5 billion enterprise value acquisition at $16.25/share; Personalis Q2 preliminary revenue $22.4M

revenueenterprise valueshare price

Risk Factors

  • Personalis shareholders may not approve the merger
  • Regulatory approvals may be delayed or impose conditions
  • Tempus stock price falling below $46.00 gives Personalis termination right
  • Integration risks and potential failure to achieve synergies
  • Potential litigation related to the transaction

Market Snapshot

Exchange
Nasdaq
Sector
Services-Medical Laboratories
Analyst Consensus
85% bullish (13 analysts)

Investment Themes

Healthcare & Medical Devices

Documents Analyzed

This report is based on 4 SEC documents filed with EDGAR.

DocumentAccession Number
425 Filing (Primary)0001193125-26-308500
Document: 0001193125-26-308500-index-headers.html0001193125-26-308500
Document: 0001193125-26-308500-index.html0001193125-26-308500
Document: 0001193125-26-308500.txt0001193125-26-308500
14 reports for PSNL
Performance horizon
100% Hit rate 5 of 5 directional calls best @ T+20▲ +14.48%Aug 9, 2026
Filters
Rows
Reports for PSNL — sortable, filterable
TypeNow
Aug 9, 2026
7w ago
Institutional Cluster
BULLISH ★ 6/10
$14.50 $16.60▲ +14.48%▲ +15.40%$16.28 (+12.28%)
Jul 20, 2026
10w ago
425
BULLISH ★ 7/10
$13.44 $13.91▲ +3.50%▲ +0.94%$16.28 (+21.13%)
Jul 20, 2026
10w ago
8-K
NEUTRAL ★ 6/10
$13.44 $13.91▲ +3.50%▲ +0.94%$16.28 (+21.13%)
Jul 20, 2026
10w ago
425
BULLISH ★ 7/10
$13.34 $13.89▲ +4.12%▲ +0.00%$16.28 (+22.04%)
Jul 20, 2026
10w ago
8-K
BULLISH ★ 7/10
$13.34 $13.89▲ +4.12%▲ +0.00%$16.28 (+22.04%)
Jul 16, 2026
11w ago
Insider Cluster
NEUTRAL ★ 4/10
$15.58 $14.42▼ −7.45%▼ −11.06%$16.28 (+4.49%)
Jun 29, 2026
13w ago
144
NEUTRAL ★ 2/10
$13.40 $11.98▼ −10.60%▼ −9.57%$16.28 (+21.49%)
Jun 26, 2026
14w ago
144
NEUTRAL ★ 3/10
$13.75 $11.78▼ −14.33%▼ −14.05%$16.28 (+18.40%)
Jun 26, 2026
14w ago
144
NEUTRAL ★ 2/10
$13.75 $11.78▼ −14.33%▼ −14.05%$16.28 (+18.40%)
Jun 6, 2026
16w ago
Insider Cluster
NEUTRAL ★ 3/10
$10.04 $14.34▲ +42.83%▲ +41.20%$16.28 (+62.15%)
Showing 10 of 14

US Market Status

Market Closed — Opens Mon (64h 16m)

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