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6-K ·Filed Sep 18, 2026

SBS

COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP
NEUTRAL
Impact 4/10
Horizonweeks Processed1mo ago SEC0001292814-26-004598
Notable filing: 6-K
Actionable Insight • Neutral

The merger is a procedural step following prior approvals. Monitor the withdrawal rights exercise period ending October 19, 2026, for any material dissent that could trigger a reconsideration by EMAE's management. The actual credit of Sabesp shares and last trading day for EMAE shares are to be defined.

DirectionNeutral
Confidencehigh
Horizonweeks
Latest settled — T+20d
SBS ▲ +17.89% at T+20d
NEUTRAL call +17.89% · α vs SPY +17.69% · entry $5.31 → $6.26
Next anchor: T+60d in 7w
Latest observation: T+25 +23.78% FF3 residual α
Entry = T+0 close
Sep 18, 2026
via day close
T+1d
+2.45%
call +2.45% · α +0.90%
$5.44
settled 5w ago
T+5d
-2.45%
call -2.45% · α -3.72%
$5.18
settled 5w ago
T+20d
+17.89%
call +17.89% · α +17.69%
$6.26
settled 12d ago
T+60d
Pending
in 7w

Price Chart

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Executive Summary

Sabesp and EMAE announced that EMAE shareholders approved the merger of all EMAE shares not held by Sabesp into Sabesp, with EMAE shareholders receiving 1.3195 Sabesp common shares per EMAE share. This is the final approval step in a process previously disclosed, and the merger is expected to consolidate EMAE's shareholder base into Sabesp, simplifying the corporate structure.

Key Facts

  • EMAE shareholders approved the merger of all EMAE shares not held by Sabesp into Sabesp at an Extraordinary Shareholders' Meeting on September 16, 2026.
  • EMAE shareholders (other than Sabesp) will receive 1.31950000000 Sabesp common shares for each EMAE common or preferred share.
  • Dissenting EMAE shareholders may exercise withdrawal rights by October 19, 2026, and receive R$ 18.18 per share (book value as of June 30, 2026).
  • Sabesp shareholders have no withdrawal rights due to sufficient liquidity and dispersion of Sabesp shares.
  • The merger was previously approved by Sabesp shareholders on July 30, 2026.

Financial Impact

The merger consolidates EMAE's shareholder base into Sabesp; no cash consideration or new financing is involved. The exchange ratio of 1.3195 Sabesp shares per EMAE share implies a modest dilution for Sabesp shareholders, but the total value is not disclosed in the filing.

dilutionshare count

Risk Factors

  • Dissenting EMAE shareholders exercising withdrawal rights could reduce the number of shares tendered, potentially triggering a reconsideration of the merger by EMAE management.
  • Fractional shares resulting from the exchange ratio will be sold on the open market, creating minor selling pressure on Sabesp shares.

Investment Themes

Traditional Energy

Documents Analyzed

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

DocumentAccession Number
6-K Filing (Primary)0001292814-26-004598
Document: 0001292814-26-004598-index-headers.html0001292814-26-004598
Document: 0001292814-26-004598-index.html0001292814-26-004598
Document: 0001292814-26-004598.txt0001292814-26-004598
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 Thu (10h 18m)

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Report published Sep 18, 2026