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DEFA14A ·Filed Oct 7, 2026

PULM

Pulmatrix, Inc.
NEUTRAL
Impact 2/10
Horizonweeks Processed21d 20h ago SEC0001493152-26-046132
Proxy solicitation materials
Actionable Insight • Neutral

Monitor the October 26, 2026 Special Meeting outcome for Proposal 1-9 votes, particularly any activist-related items given the prior SC 13D filing by RCM EOS PIPE Holdings / Rapha Capital Management.

DirectionNeutral
Confidencehigh
Horizonweeks
Latest settled: T+5d
PULM ▼ -7.67% at T+5d
NEUTRAL call -7.67% · α vs SPY -7.39% · entry $1.53 → $1.41
Next anchor: T+20d in 6d
Latest observation: T+14 -0.13% FF3 residual α
Entry = T+0 close
Oct 7, 2026
via day close
T+1d
-4.39%
call -4.39% · α -4.99%
$1.46
settled 21d ago
T+5d
-7.67%
call -7.67% · α -7.39%
$1.41
settled 15d ago
T+20d
Pending
in 6d
T+60d
Pending
in 2mo

Price Chart

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Executive Summary

Pulmatrix filed a DEFA14A supplement postponing its Special Meeting in lieu of Annual Meeting from October 16, 2026 to October 26, 2026. The filing is a routine procedural postponement to allow stockholders additional time to review materials and submit votes; no proposals or record date have changed.

Key Financial Metrics

Meeting
2026-10-26

Key Facts

  • Special Meeting postponed from October 16, 2026 to October 26, 2026
  • Record date remains August 28, 2026
  • Voting deadline extended to 11:59 p.m. ET on October 25, 2026
  • Proposals 1-9 unchanged; board recommendation unchanged
  • Revised proxy card issued reflecting new date

Financial Impact

No financial impact, procedural postponement only

Risk Factors

  • Activist pressure from the April 2026 SC 13D filer (Rapha Capital Management) may influence voting outcomes
  • Low shareholder turnout risk if postponement signals insufficient support for management proposals

Investment Themes

Documents Analyzed

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

DocumentAccession Number
DEFA14A Filing (Primary)0001493152-26-046132
Document: 0001493152-26-046132-index-headers.html0001493152-26-046132
Document: 0001493152-26-046132-index.html0001493152-26-046132
Document: 0001493152-26-046132.txt0001493152-26-046132
19 reports for PULM
Performance horizon
71% Hit rate @ T+5 5 of 7 directional calls Went positive at some point 6 of 8 best @ T+20▲ +11.15%Aug 7, 2026
Filters
Rows
Reports for PULM, sortable and filterable
TypeNow
Oct 23, 2026
6d ago
EFFECT
BEARISH ★ 5/10
$1.48awaiting T+5awaiting T+5$1.44 (+2.70%)
Oct 22, 2026
7d ago
425
NEUTRAL ★ 4/10
$1.42awaiting T+5awaiting T+5$1.44 (+1.41%)
Oct 13, 2026
16d ago
425
NEUTRAL ★ 4/10
$1.38 $1.43▲ +3.62%▲ +4.77%$1.44 (+4.35%)
Oct 7, 2026
21d ago
DEFA14A
NEUTRAL ★ 2/10
$1.53 $1.41▼ −7.67%▼ −7.39%$1.44 (−5.70%)
Oct 2, 2026
26d ago
S-3/A
BEARISH ★ 5/10
$1.48 $1.43▲ +3.38%▲ +3.80%$1.44 (+2.70%)
Sep 28, 2026
4w ago
EFFECT
BEARISH ★ 5/10
$1.59 $1.48▲ +6.92%▲ +8.12%$1.44 (+9.43%)
Sep 25, 2026
4w ago
DEFM14A
BEARISH ★ 6/10
$1.59 $1.48▲ +6.92%▲ +8.12%$1.44 (+9.43%)
Sep 23, 2026
5w ago
S-4/A
NEUTRAL ★ 2/10
$1.67 $1.54▼ −7.78%▼ −7.37%$1.44 (−13.77%)
Sep 22, 2026
5w ago
425
NEUTRAL ★ 3/10
$1.69 $1.52▼ −9.79%▼ −9.12%$1.44 (−14.54%)
Sep 17, 2026
5w ago
S-4/A
NEUTRAL ★ 5/10
$1.44 $1.61▲ +11.81%▲ +10.54%$1.44 (+0.00%)
Showing 10 of 19

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Report published Oct 7, 2026