PULM
Pulmatrix, Inc.Company with tickers: PULM
CIK
1574235
CUSIP
74584P301
Shares Outstanding
3,652,285
13F Activity (30d)
10 filings
10 filers
Total shares sold short and not yet covered, reported to FINRA by broker-dealers and published twice a month (bi-monthly). Days to cover divides the short position by average daily volume; a high value (above 5) can signal short-squeeze potential.
Short Squeeze Score
44/100
Short interest 0.7% of shares — P35
Days to cover 1.4 — P33
Short-volume trend +2.9% — P64
Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-05-29). Equal-weight mean of the available factors.
Short Interest History
| Settlement Date | Current Position | Previous Position | Change | Days to Cover |
|---|---|---|---|---|
| 2026-05-29 | 24,832 | 33,902 | -9,070 | 1.38 |
| 2026-05-15 | 33,902 | 40,413 | -6,511 | 2.14 |
| 2026-04-30 | 40,413 | 19,602 | +20,811 | 1.00 |
| 2026-04-15 | 19,602 | 8,053 | +11,549 | 1.00 |
| 2026-03-31 | 8,053 | 2,505 | +5,548 | 1.00 |
| 2026-03-13 | 2,505 | 2,779 | -274 | 1.00 |
| 2026-02-27 | 2,779 | 4,293 | -1,514 | 1.00 |
| 2026-02-13 | 4,293 | 4,195 | +98 | 1.00 |
| 2026-01-30 | 4,195 | 7,035 | -2,840 | 1.00 |
| 2026-01-15 | 7,035 | 11,368 | -4,333 | 1.00 |
| 2025-12-31 | 11,368 | 4,299 | +7,069 | 1.00 |
| 2025-12-15 | 4,299 | 5,742 | -1,443 | 1.00 |
| 2025-11-28 | 5,742 | 5,504 | +238 | 1.00 |
| 2025-11-14 | 5,504 | 5,158 | +346 | 1.39 |
| 2025-10-31 | 5,158 | 5,917 | -759 | 1.00 |
| 2025-10-15 | 5,917 | 12,682 | -6,765 | 1.00 |
| 2025-09-30 | 12,682 | 3,610 | +9,072 | 1.00 |
| 2025-09-15 | 3,610 | 7,294 | -3,684 | 1.00 |
| 2025-08-29 | 7,294 | 9,830 | -2,536 | 1.00 |
| 2025-08-15 | 9,830 | 17,097 | -7,267 | 1.00 |
| 2025-07-31 | 17,097 | 25,383 | -8,286 | 1.92 |
| 2025-07-15 | 25,383 | 16,754 | +8,629 | 1.99 |
| 2025-06-30 | 16,754 | 30,712 | -13,958 | 1.00 |
| 2025-06-13 | 30,712 | 21,919 | +8,793 | 1.39 |
Showing 1–24 of 24 settlements