NASDAQ · PULMHealthcarePharmaceuticals

Pulmatrix, Inc. Common Stock (PULM)

$1.52+14.29%
Close Nov 4, 2026 · split-adjusted
Nov 4, 2026$1.52▼ 68.13% in range
Nov 4, 2025Low $1.19 · High $4.89Nov 4, 2026
What changed · written from our data
As of Nov 4, 2026

Pulmatrix closed at $1.52 on Nov 4, up 14.29%, 68.9% below its 52-week closing high. Volume of 218.8K shares was 8.80× its 20-day average (well above normal).

Split-adjusted performance: +6.3% over one month, +11.8% over six months.

Short interest was 43.2K shares at the Oct 15 settlement, down 11.8% from the prior report (1.2% of float, 2.9 days to cover).

Market cap$5.6M3.7M shares
Revenue · quarter$0.00—
Diluted EPS$-0.29—
P/E · TTM—
Net margin—
Dividend yieldNone
52-week range1.19 – 4.89−68.9% from high
Volume218.8K8.80× 20-day avg
Volatility · 60d69.5%Annualised
Short % of float1.2%2.9 days to cover
Net cash$2.2MCash $2.2M
Next earnings—Not scheduled
Split-adjusted performance
1W +1.3%1M +6.3%3M −8.4%6M +11.8%YTD −31.8%1Y —3Y −16.0%5Y −90.2%

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Pharmaceuticals

Percentile among 420 companies (100 = best)

6-month momentum77
Revenue growth—
Net margin—
Value (low P/E)—
Size9

Industry medians: 6-month return −25.5%, revenue growth +6.2%, net margin −33.8%, P/E 16.1×.

Short interest

Details →
Shares short43.2K−11.8% vs prior
Days to cover2.9Settled Oct 15
% of float1.2%
Short vol. 10d37.4%of daily volume

Closest peers by size in Pharmaceuticals

CompanyPriceToday6MRev. growthNet marginP/EMkt cap
PULMPulmatrix$1.52+14.29%+11.8%———$5.6M
SCNXScienture Holdings$3.42−0.87%−65.0%—−821.3%—$5.6MCompare
ACXPAcurx Pharmaceuticals$1.03+0.98%−50.7%———$5.6MCompare
LGVNLongeveron$1.780.00%−79.6%−9.2%−2116.0%—$5.7MCompare
PCSAProcessa Pharmaceuticals$1.94−0.26%−29.6%———$5.4MCompare
IMNNImunon$0.9070+0.78%−66.5%———$5.1MCompare
SKYESkye Bioscience$1.14−6.56%−83.3%———$5.0MCompare
AZTRAzitra$0.8157−7.71%−66.7%———$4.9MCompare
CNSPCNS Pharmaceuticals$4.34−4.62%−37.1%———$6.3MCompare

Quick answers

What does Pulmatrix do?
Pulmatrix Inc is a biopharmaceutical company focused on the development of novel inhaled therapeutic products intended to prevent and treat migraine and respiratory diseases with important unmet medical needs using its patented dry powder delivery technology, iSPERSE. Its pipeline of clinical assets includes PUR3100 for the treatment of acute migraine, PUR1800 for the treatment of acute exacerbations of chronic obstructive pulmonary disease (AECOPD), and PUR1900 for the treatment of ABPA in patients with asthma and in patients with cystic fibrosis (CF).
What is PULM's market cap?
$5.55M, based on the Nov 4 close of $1.52.
Does Pulmatrix pay a dividend?
No regular cash dividend has been paid in the last year.
How much of PULM is sold short?
43.2K shares, 1.2% of float, as of Oct 15, 2026.
What sector is PULM in?
Healthcare, in the Pharmaceuticals industry.

About Pulmatrix

Pulmatrix Inc is a biopharmaceutical company focused on the development of novel inhaled therapeutic products intended to prevent and treat migraine and respiratory diseases with important unmet medical needs using its patented dry powder delivery technology, iSPERSE. Its pipeline of clinical assets includes PUR3100 for the treatment of acute migraine, PUR1800 for the treatment of acute exacerbations of chronic obstructive pulmonary disease (AECOPD), and PUR1900 for the treatment of ABPA in patients with asthma and in patients with cystic fibrosis (CF).

HQ: Framingham, MA2 employeesListed Mar 21, 2014pulmatrix.com

Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology