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6-K ·Filed Oct 21, 2026

SBS

COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP
NEUTRAL
Impact 3/10
Horizondays Processed6d 16h ago SEC0001292814-26-004962
Notable filing: 6-K
Actionable Insight • Neutral

The merger is proceeding as planned with no shareholder dissent. Monitor the October 27 credit of Sabesp shares to former EMAE shareholders for any post-merger price adjustment or arbitrage close-out.

DirectionNeutral
Confidencehigh
Horizondays
Latest settled — T+1d
SBS ▼ -0.79% at T+1d
NEUTRAL call -0.79% · α vs SPY +0.39% · entry $6.32 → $6.27
Next anchor: T+5d in 7h
Latest observation: T+2 +3.61% FF3 residual α
Entry = T+0 close
Oct 21, 2026
via day close
T+1d
-0.79%
call -0.79% · α +0.39%
$6.27
settled 6d ago
T+5d
Pending
in 7h
T+20d
Pending
in 21d
T+60d
Pending
in 3mo

Price Chart

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Executive Summary

Sabesp and EMAE announced that no shareholders exercised withdrawal rights in connection with the merger of EMAE shares into Sabesp, confirming the deal will close on schedule. EMAE's last trading day is October 23, 2026, and on October 27, 2026, EMAE shareholders will receive Sabesp shares at a ratio of 1.3195 Sabesp shares per EMAE share. This removes the last procedural hurdle for the merger, which was previously approved by both companies' shareholders.

Key Facts

  • No EMAE shareholders exercised withdrawal rights; no reimbursement payments will be made.
  • EMAE's last trading day on B3 is October 23, 2026.
  • On October 27, 2026, EMAE shareholders will receive 1.3195 Sabesp shares per EMAE share.
  • Fractional shares will be grouped and sold on B3 after the merger closes.

Financial Impact

No cash consideration; all-stock merger with exchange ratio of 1.3195 Sabesp shares per EMAE share. No withdrawal payments were triggered.

dilutionshare count

Risk Factors

  • Potential tax withholding complexities for non-resident EMAE shareholders could create friction.
  • Fractional share auction process may introduce minor timing uncertainty for cash proceeds.

Investment Themes

Traditional Energy

Documents Analyzed

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

DocumentAccession Number
6-K Filing (Primary)0001292814-26-004962
Document: 0001292814-26-004962-index-headers.html0001292814-26-004962
Document: 0001292814-26-004962-index.html0001292814-26-004962
Document: 0001292814-26-004962.txt0001292814-26-004962
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

US Market Status

Market Closed — Opens in 8h 19m

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Report published Oct 21, 2026