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8-K ·Filed Oct 16, 2026

POST

Post Holdings, Inc.
NEUTRAL
Impact 2/10
Horizonweeks Processed10d 12h ago SEC0001530950-26-000089
8-K context-dependent: Items 5.02
Actionable Insight • Neutral

Routine personnel and governance update. No immediate trading catalyst. Monitor for any subsequent filings regarding Harper's return or any unexpected changes in the CFO's dual role.

DirectionNeutral
Confidencehigh
Horizonweeks
Latest settled — T+5d
POST ▲ +3.90% at T+5d
NEUTRAL call +3.90% · α vs SPY +4.05% · entry $77.42 → $80.44
Next anchor: T+20d in 17d
Entry = T+0 close
Oct 16, 2026
via day close
T+1d
+1.08%
call +1.08% · α +0.75%
$78.26
settled 8d ago
T+5d
+3.90%
call +3.90% · α +4.05%
$80.44
settled 4d ago
T+20d
Pending
in 17d
T+60d
Pending
in 3mo

Price Chart

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Executive Summary

Post Holdings filed an 8-K announcing that Senior Vice President and Chief Accounting Officer Bradly A. Harper is taking a temporary medical leave of absence. During this leave, CFO Matthew J. Mainer will serve as Interim Chief Accounting Officer. The filing also notes the Board approved an updated Code of Conduct, effective February 1, 2027, which modernizes policies on AI, cybersecurity, and other areas. This is a routine administrative filing with no material financial impact.

Key Facts

  • Bradly A. Harper, SVP and Chief Accounting Officer, is taking a temporary medical leave of absence.
  • CFO Matthew J. Mainer will serve as Interim Chief Accounting Officer during Harper's leave.
  • Board approved an updated Code of Conduct effective February 1, 2027, covering AI, cybersecurity, and other areas.
  • No financial figures, guidance, or material business changes were disclosed.

Financial Impact

No financial impact disclosed.

Risk Factors

  • Extended absence of the Chief Accounting Officer could create temporary operational friction in financial reporting.
  • No material risk identified from the Code of Conduct update.

Investment Themes

Consumer & Retail

Documents Analyzed

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

DocumentAccession Number
8-K Filing (Primary)0001530950-26-000089
Document: 0001530950-26-000089-index-headers.html0001530950-26-000089
Document: 0001530950-26-000089-index.html0001530950-26-000089
Document: 0001530950-26-000089.txt0001530950-26-000089
7 reports for POST
Performance horizon

Track record builds as more directional reports settle.

Filters
Rows
Reports for POST — sortable, filterable
TypeNow
Oct 16, 2026
10d ago
8-K
NEUTRAL ★ 2/10
$77.42awaiting T+20—$80.44 (+3.90%)
Oct 14, 2026
12d ago
Institutional Cluster
NEUTRAL ★ 2/10
$77.39awaiting T+20—$80.44 (+3.94%)
Aug 6, 2026
11w ago
Press Release
BEARISH ★ 6/10
$78.69 $84.64▼ −7.56%▼ −7.96%$80.44 (−2.22%)
Jul 16, 2026
14w ago
Press Release
NEUTRAL ★ 1/10
$86.86 $80.95▼ −6.80%▼ −11.25%$80.44 (−7.39%)
Jun 11, 2026
19w ago
Institutional Cluster
MIXED ★ 4/10
$93.17 $84.70▼ −9.09%▼ −10.98%$80.44 (−13.66%)
May 13, 2026
23w ago
144
NEUTRAL ★ 2/10
$102.78 $93.14▼ −9.38%▼ −8.52%$80.44 (−21.74%)
Mar 4, 2026
33w ago
8-K
NEUTRAL ★ 5/10
$105.58 $100.32▼ −4.98%▼ −1.19%$80.44 (−23.81%)
Showing 7 of 7

US Market Status

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Report published Oct 16, 2026