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425 ·Filed Sep 22, 2026

PULM

Pulmatrix, Inc.
NEUTRAL
Impact 3/10
Horizonweeks Processed1mo ago SEC0001493152-26-043709
Rule 425 M&A communications
Actionable Insight • Neutral

Monitor the October 16 stockholder vote and any subsequent 8-K filings for closing conditions. The conference presentation (Oct 21-23) may generate pipeline-related news but is unlikely to move PULM shares materially before the merger vote.

DirectionNeutral
Confidencehigh
Horizonweeks
Latest settled: T+20d
PULM ▼ -6.82% at T+20d
NEUTRAL call -6.82% · α vs SPY -7.51% · entry $1.69 → $1.57
Next anchor: T+60d in 7w
Latest observation: T+25 -11.77% FF3 residual α
Entry = T+0 close
Sep 22, 2026
via day close
T+1d
-0.89%
call -0.89% · α -0.81%
$1.67
settled 5w ago
T+5d
-9.79%
call -9.79% · α -9.12%
$1.52
settled 4w ago
T+20d
-6.82%
call -6.82% · α -7.51%
$1.57
settled 10d ago
T+60d
Pending
in 7w

Price Chart

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Executive Summary

Eos SENOLYTIX announced its CEO will deliver a keynote at the 17th World Congress on Targeting Mitochondria (Oct 21-23, 2026) and reiterated that its merger with Pulmatrix is expected to close in Q4 2026, with a stockholder vote scheduled for October 16, 2026. The filing provides no new financial terms or deal changes, it is a routine conference and deal-status update.

Key Financial Metrics

Deal Type
merger

Key Facts

  • Eos CEO Kevin Slawin to deliver industry keynote at 17th World Congress on Targeting Mitochondria in Berlin, October 21-23, 2026.
  • Eos lead candidate PTC-2105 is preclinical, targeting sarcopenia and sarcopenic obesity; IND-enabling studies ongoing.
  • Pulmatrix stockholder special meeting scheduled for October 16, 2026 to vote on the merger.
  • Merger anticipated to close in Q4 2026, subject to customary closing conditions.
  • Combined company would trade under ticker MTXL.
  • Merger-associated financings expected to support pipeline advancement, but no amounts disclosed.

Financial Impact

No financial figures disclosed; deal value, merger financing amounts, and PTC-2105 development costs not stated.

Risk Factors

  • Merger may fail to obtain stockholder approval or satisfy closing conditions.
  • PTC-2105 is preclinical; IND-enabling studies may fail to support first-in-human trials.
  • Merger-associated financings may not be secured on favorable terms or at all.

Investment Themes

Documents Analyzed

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

DocumentAccession Number
425 Filing (Primary)0001493152-26-043709
Document: 0001493152-26-043709-index-headers.html0001493152-26-043709
Document: 0001493152-26-043709-index.html0001493152-26-043709
Document: 0001493152-26-043709.txt0001493152-26-043709
20 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 30, 2026
today
425
NEUTRAL ★ 3/10
$1.46awaiting T+5awaiting T+5$1.42 (−2.74%)
Oct 23, 2026
7d ago
EFFECT
BEARISH ★ 5/10
$1.48awaiting T+5awaiting T+5$1.42 (+4.05%)
Oct 22, 2026
8d ago
425
NEUTRAL ★ 4/10
$1.42 $1.41▼ −0.70%▼ −1.41%$1.42 (−0.00%)
Oct 13, 2026
17d ago
425
NEUTRAL ★ 4/10
$1.38 $1.43▲ +3.62%▲ +4.77%$1.42 (+2.90%)
Oct 7, 2026
22d ago
DEFA14A
NEUTRAL ★ 2/10
$1.53 $1.41▼ −7.67%▼ −7.39%$1.42 (−7.01%)
Oct 2, 2026
27d ago
S-3/A
BEARISH ★ 5/10
$1.48 $1.43▲ +3.38%▲ +3.80%$1.42 (+4.05%)
Sep 28, 2026
4w ago
EFFECT
BEARISH ★ 5/10
$1.59 $1.48▲ +6.92%▲ +8.12%$1.42 (+10.69%)
Sep 25, 2026
4w ago
DEFM14A
BEARISH ★ 6/10
$1.59 $1.48▲ +6.92%▲ +8.12%$1.42 (+10.69%)
Sep 23, 2026
5w ago
S-4/A
NEUTRAL ★ 2/10
$1.67 $1.54▼ −7.78%▼ −7.37%$1.42 (−14.97%)
Sep 22, 2026
5w ago
425
NEUTRAL ★ 3/10
$1.69 $1.52▼ −9.79%▼ −9.12%$1.42 (−15.73%)
Showing 10 of 20

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Report published Sep 22, 2026