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8-K ·Filed Oct 23, 2026

RCUS

Arcus Biosciences, Inc.
BEARISH
Impact 5/10
Horizonweeks Processed2d 16h ago SEC0001724521-26-000050
8-K context-dependent: Items 8.01
Actionable Insight ▼ Bearish

The substantial dilution (~18%) from this overnight offering signals potential cash burn concerns or need to fund clinical development. Monitor upcoming quarterly results for cash runway updates and pipeline progress. The 60-day lock-up expiration in late December 2026 could create additional selling pressure.

DirectionBearish
Confidencehigh
Horizonweeks

Price Chart

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Executive Summary

Arcus Biosciences closed a public offering of 16,428,572 shares of common stock at $17.50 per share, including full exercise of the underwriters' option, raising net proceeds of approximately $269.7 million. The offering was priced at a ~6% discount to the public offering price (underwriters paid $16.45/share) and dilutes existing shareholders by roughly 18% based on pre-offering share count. Proceeds will be used for general corporate purposes as described in the prospectus.

Key Facts

  • Offering of 14,285,715 firm shares plus full exercise of 2,142,857 optional shares = 16,428,572 total shares issued
  • Public offering price: $17.50 per share; underwriters paid $16.45 per share
  • Net proceeds to company: approximately $269.7 million after underwriting discounts and estimated expenses
  • Underwriters: Jefferies LLC, Leerink Partners LLC, TD Securities (USA) LLC, Evercore Group L.L.C., Mizuho Securities USA LLC
  • Lock-up period of 60 days from prospectus date for insiders listed on Schedule III
  • Offering closed on October 23, 2026
  • Shares listed on NYSE under ticker RCUS

Financial Impact

Dilutive equity offering of ~$270M net proceeds; ~18% dilution based on pre-offering share count (estimated ~90M shares outstanding pre-offer).

dilutionshares outstanding

Risk Factors

  • Significant dilution to existing shareholders (~18% increase in share count)
  • Potential overhang from 60-day lock-up expiration in late December 2026
  • No stated specific use of proceeds beyond general corporate purposes suggests possible operational cash needs
  • Offering priced at $17.50 vs $16.45 underwriter purchase price indicates ~6% discount to market

Investment Themes

Biotech & Drug Discovery

Documents Analyzed

This report is based on 5 SEC documents filed with EDGAR.

DocumentAccession Number
8-K Filing (Primary)0001724521-26-000050
Document: a8kex51.htm0001724521-26-000050
Document: 0001724521-26-000050-index-headers.html0001724521-26-000050
Document: 0001724521-26-000050-index.html0001724521-26-000050
Document: 0001724521-26-000050.txt0001724521-26-000050
10 reports for RCUS
Performance horizon

Track record builds as more directional reports settle.

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Reports for RCUS — sortable, filterable
TypeNow
Oct 23, 2026
2d ago
8-K
BEARISH ★ 5/10
$18.47awaiting T+1—$18.54 (−0.38%)
Oct 22, 2026
3d ago
424B5
BEARISH ★ 6/10
$19.36awaiting T+1—$18.54 (+4.24%)
Oct 21, 2026
4d ago
424B5
BEARISH ★ 5/10
$19.36 $18.54▲ +4.24%▲ +3.71%$18.54 (+4.24%)
Oct 21, 2026
4d ago
8-K
NEUTRAL ★ 4/10
$19.36 $18.54▼ −4.24%▼ −3.71%$18.54 (−4.24%)
Oct 20, 2026
6d ago
8-K
NEUTRAL ★ 4/10
$23.75 $19.10▼ −19.58%▼ −20.10%$18.54 (−21.94%)
Jul 9, 2026
15w ago
144
NEUTRAL ★ 3/10
$28.92 $28.07▼ −2.94%▼ −2.17%$18.54 (−35.89%)
Apr 21, 2026
26w ago
DEFA14A
NEUTRAL ★ 2/10
$26.62 $25.13▼ −5.60%▼ −5.20%$18.54 (−30.35%)
Apr 20, 2026
27w ago
8-K
BEARISH ★ 8/10
$22.74 $24.52▼ −7.83%▼ −8.48%$18.54 (+18.47%)
Apr 8, 2026
28w ago
144
NEUTRAL ★ 3/10
$23.28 $22.34▼ −4.04%▼ −3.98%$18.54 (−20.36%)
Feb 25, 2026
34w ago
8-K
MIXED ★ 6/10
$19.54 $20.37▲ +4.25%▲ +4.73%$18.54 (−5.12%)
Showing 10 of 10

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Report published Oct 23, 2026