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6-K ·Filed Oct 9, 2026

SBS

COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP
NEUTRAL
Impact 3/10
Horizondays Processed18d 16h ago SEC0001292814-26-004876
Notable filing: 6-K
Actionable Insight • Neutral

Monitor the October 19 withdrawal right deadline and the October 27 merger consummation date. The key remaining catalyst is the actual closing and any fractional share auction details. No price-sensitive information is contained in this procedural update.

DirectionNeutral
Confidencehigh
Horizondays
Latest settled — T+5d
SBS ▼ -7.12% at T+5d
NEUTRAL call -7.12% · α vs SPY -5.15% · entry $6.74 → $6.26
Next anchor: T+20d in 9d
Latest observation: T+10 -2.59% FF3 residual α
Entry = T+0 close
Oct 9, 2026
via day close
T+1d
-0.15%
call -0.15% · α -0.09%
$6.73
settled 16d ago
T+5d
-7.12%
call -7.12% · α -5.15%
$6.26
settled 12d ago
T+20d
Pending
in 9d
T+60d
Pending
in 2mo

Price Chart

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Executive Summary

Sabesp and EMAE issued a joint material fact updating the estimated timetable for the merger of shares, whereby Sabesp will acquire all EMAE shares not already held. The updated schedule shows key remaining milestones: the withdrawal right period ends October 19, EMAE's last trading day is October 23, and the merger is expected to close on October 27, 2026. This is a procedural update with no new financial terms or changes to the deal structure.

Key Facts

  • Sabesp is incorporating all EMAE shares not already held, delivering Sabesp common shares to EMAE shareholders.
  • Withdrawal right period for EMAE shareholders ends October 19, 2026.
  • Last trading day for EMAE shares on B3 is October 23, 2026.
  • Merger consummation and credit of Sabesp shares to EMAE shareholders expected on October 27, 2026.
  • Fractional share auction and payment to former EMAE shareholders to occur on a date to be defined.
  • This filing updates the timetable previously disclosed on September 16, 2026; no change in deal terms or valuation.

Financial Impact

No financial terms disclosed in this filing. The merger consideration (Sabesp shares to EMAE shareholders) was set in prior disclosures; this filing only updates the timeline.

Risk Factors

  • Execution risk: any delay in the remaining timetable could push the merger close beyond October 27.
  • Withdrawal right exercise: if a material number of EMAE shareholders exercise withdrawal rights, it could affect the final share count and fractional share mechanics.
  • Regulatory or tax complications from the NRI (non-resident investor) tax payment process could cause last-minute delays.

Investment Themes

Traditional Energy

Documents Analyzed

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

DocumentAccession Number
6-K Filing (Primary)0001292814-26-004876
Document: 0001292814-26-004876-index-headers.html0001292814-26-004876
Document: 0001292814-26-004876-index.html0001292814-26-004876
Document: 0001292814-26-004876.txt0001292814-26-004876
16 reports for SBS
Performance horizon
67% Hit rate @ T+1 2 of 3 directional calls Went positive at some point 2 of 3 best @ T+20▲ +15.18%Aug 21, 2026
Filters
Rows
Reports for SBS — sortable, filterable
TypeNow
Oct 21, 2026
6d ago
6-K
NEUTRAL ★ 3/10
$6.32 $6.27▼ −0.79%▲ +0.39%$4.75 (−24.84%)
Oct 9, 2026
18d ago
6-K
NEUTRAL ★ 3/10
$6.74 $6.73▼ −0.15%▼ −0.09%$4.75 (−29.53%)
Oct 2, 2026
25d ago
6-K
NEUTRAL ★ 2/10
$6.26 $6.41▲ +2.40%▲ +1.85%$4.75 (−24.12%)
Sep 23, 2026
4w ago
6-K
NEUTRAL ★ 2/10
$5.17 $5.15▼ −0.39%▼ −0.30%$4.75 (−8.12%)
Sep 18, 2026
5w ago
6-K
NEUTRAL ★ 4/10
$5.31 $5.44▲ +2.45%▲ +0.90%$4.75 (−10.55%)
Aug 21, 2026
9w ago
Institutional Cluster
BULLISH ★ 5/10
$4.61 $4.63▲ +0.43%▲ +0.73%$4.75 (+3.04%)
Aug 14, 2026
10w ago
6-K
BEARISH ★ 6/10
$4.60 $4.58▲ +0.43%▼ −0.04%$4.75 (−3.26%)
Jul 31, 2026
12w ago
6-K
NEUTRAL ★ 4/10
$5.45 $5.43▼ −0.37%▼ −1.79%$4.75 (−12.84%)
Jun 30, 2026
17w ago
6-K
NEUTRAL ★ 4/10
$5.78 $5.75▼ −0.52%▼ −0.38%$4.75 (−17.82%)
Jun 17, 2026
18w ago
Insider Cluster
NEUTRAL ★ 2/10
$5.25 $5.42▲ +3.24%▲ +3.55%$4.75 (−9.52%)
Showing 10 of 16

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Report published Oct 9, 2026