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8-K ·Filed May 4, 2026

RLYB

Rallybio Corp
MIXED
Impact 6/10
Horizondays Processed5mo ago SEC0001193125-26-202601
8-K material event: Items 1.02
Actionable Insight ◆ Mixed

The $50M termination fee provides a near-term cash infusion equal to market cap, likely supporting the stock price. However, the loss of the merger leaves Rallybio without a clear strategic direction; monitor for potential new deals or return of capital.

DirectionMixed
Confidencehigh
Horizondays
Final — all horizons settled through T+60d
RLYB ▲ +13.03% at T+60d
NEUTRAL call +13.03% · α vs SPY +11.17% · entry $14.12 → $15.96
Entry = T+0 close
May 4, 2026
via day close
T+1d
+1.13%
call +1.13% · α +0.34%
$14.28
settled 6mo ago
T+5d
-0.85%
call -0.85% · α -3.79%
$14.00
settled 6mo ago
T+20d
+19.48%
call +19.48% · α +13.83%
$16.87
settled 5mo ago
T+60d
+13.03%
call +13.03% · α +11.17%
$15.96
settled 3mo ago

Price Chart

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Executive Summary

Candid Therapeutics terminated its merger agreement with Rallybio to enter a deal with UCB S.A. Rallybio receives a $50M termination fee (~100% of market cap) plus $375k expense reimbursement, providing a cash windfall but leaving Rallybio without a merger partner.

Key Facts

  • Candid terminated the merger agreement with Rallybio on May 3, 2026, to pursue a Permitted Alternative Agreement with UCB S.A.
  • Rallybio is entitled to a $50,000,000 Parent Termination Fee and $375,000 expense reimbursement, to be paid by May 4, 2026.
  • Rallybio will withdraw its Form S-4 registration statement filed in connection with the merger.

Financial Impact

Rallybio receives $50.375M cash (termination fee + expenses), nearly equal to its $50M market cap.

cashstrategic position

Risk Factors

  • No replacement acquisition or partnership in sight.
  • Cash burn rate may deplete the fee if not deployed effectively.

Market Snapshot

Exchange
Nasdaq
Sector
Pharmaceutical Preparations
Analyst Consensus
0% bullish (7 analysts)

Investment Themes

Documents Analyzed

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

DocumentAccession Number
8-K Filing (Primary)0001193125-26-202601
Document: d19625dex21.htm0001193125-26-202601
Document: 0001193125-26-202601-index-headers.html0001193125-26-202601
Document: 0001193125-26-202601-index.html0001193125-26-202601
Document: 0001193125-26-202601.txt0001193125-26-202601
6 reports for RLYB
Performance horizon

Track record builds as more directional reports settle.

Filters
Rows
Reports for RLYB — sortable, filterable
TypeNow
Oct 16, 2026
10d ago
EFFECT
NEUTRAL ★ 4/10
$16.28awaiting T+60—$16.65 (+2.27%)
Oct 14, 2026
11d ago
S-4/A
NEUTRAL ★ 6/10
$16.78awaiting T+60—$16.65 (−0.75%)
Jul 15, 2026
14w ago
S-4
NEUTRAL ★ 6/10
$15.96 $17.02▲ +6.64%▲ +2.93%$16.65 (+4.32%)
Jun 1, 2026
21w ago
425
BULLISH ★ 7/10
$16.87 $16.89▲ +0.09%▼ −1.14%$16.65 (−1.30%)
Jun 1, 2026
21w ago
8-K
BULLISH ★ 7/10
$16.87 $16.89▲ +0.09%▼ −1.14%$16.65 (−1.30%)
May 4, 2026
25w ago
8-K
MIXED ★ 6/10
$14.12 $15.96▲ +13.03%▲ +11.17%$16.65 (+17.92%)
Showing 6 of 6

US Market Status

Market Closed — Opens Tue (16h 40m)

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Report published May 4, 2026