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IMMUTEP Ltd

PRRUF
Exchange
OTC
Industry
Pharmaceutical Preparations
SEC CIK
0001506184

No open-market purchases or sales by IMMUTEP Ltd insiders were filed in the last 90 days; no institution reported holding it in 13F filings for Q2 2026; no superinvestor holds it.

Other share classesIMMP

Four kinds of short-selling data, each measuring something different:

  • Short interest: shares sold short and not yet bought back, as of a settlement date. FINRA publishes it twice a month, about eight business days after the settlement date.
  • Daily short volume: shares sold short each day in off-exchange trades reported to FINRA. It counts trades, not open positions, and is published the next day.
  • Fails-to-deliver: shares not delivered by the settlement date. The SEC publishes them twice a month, about two weeks late.
  • ATS (dark pool) volume: weekly volume on alternative trading systems and other off-exchange venues. FINRA publishes it two to four weeks after the week.

More in the glossary.

Short interest

Shares sold short and not yet bought back, from FINRA, on every settlement date in the last two years.

Short interest
14.2M
Shares, settlement Oct 15, 2026
Change
−1.10M
−7.2% vs. Sep 30, 2026
Days to cover
> 999
Above FINRA's cap of 999.99 days
Average daily volume
4
Shares, as reported by FINRA
Short interest by settlement date
Oct 15, 2024: 331,781 sharesOct 31, 2024: 108,110 sharesNov 15, 2024: 90,580 sharesNov 29, 2024: 108,610 sharesDec 13, 2024: 102,360 sharesDec 31, 2024: 298,198 sharesJan 15, 2025: 137,470 sharesJan 31, 2025: 768,210 sharesFeb 14, 2025: 306,240 sharesFeb 28, 2025: 332,810 sharesMar 14, 2025: 162,551 sharesMar 31, 2025: 172,831 sharesApr 15, 2025: 2,450 sharesMay 15, 2025: 396,299 sharesMay 30, 2025: 694,995 sharesJun 13, 2025: 506,705 sharesJun 30, 2025: 146,195 sharesJul 15, 2025: 222,027 sharesJul 31, 2025: 146,257 sharesAug 15, 2025: 75,750 sharesAug 29, 2025: 214,360 sharesSep 15, 2025: 324,180 sharesSep 30, 2025: 247,270 sharesOct 15, 2025: 465,331 sharesOct 31, 2025: 360,440 sharesNov 14, 2025: 510,086 sharesNov 28, 2025: 320,036 sharesDec 15, 2025: 849,745 sharesDec 31, 2025: 2,053,852 sharesJan 15, 2026: 4,288,776 sharesJan 30, 2026: 4,836,577 sharesFeb 13, 2026: 5,416,527 sharesFeb 27, 2026: 5,351,084 sharesMar 13, 2026: 5,181,007 sharesMar 31, 2026: 22,979,097 sharesApr 15, 2026: 4,973,478 sharesApr 30, 2026: 8,823,748 sharesMay 15, 2026: 8,423,694 sharesMay 29, 2026: 13,615,768 sharesJun 15, 2026: 25,465,473 sharesJun 30, 2026: 21,266,966 sharesJul 15, 2026: 16,827,892 sharesJul 31, 2026: 17,837,033 sharesAug 14, 2026: 17,557,578 sharesAug 31, 2026: 15,859,242 sharesSep 15, 2026: 15,274,166 sharesSep 30, 2026: 15,326,768 sharesOct 15, 2026: 14,223,434 shares
Short interest in PRRUF by settlement date
Settlement dateShort interestChangeChange %Avg. daily volumeDays to cover
Oct 15, 202614.2M−1.10M−7.2%4> 999
Sep 30, 202615.3M+52.6K+0.3%455> 999
Sep 15, 202615.3M−585.1K−3.7%0> 999
Aug 31, 202615.9M−1.70M−9.7%5.51K> 999
Aug 14, 202617.6M−279.5K−1.6%0> 999
Jul 31, 202617.8M+1.01M+6.0%0> 999
Jul 15, 202616.8M−4.44M−20.9%0> 999
Jun 30, 202621.3M−4.20M−16.5%0> 999
Jun 15, 202625.5M+11.8M+87.0%0> 999
May 29, 202613.6M+5.19M+61.6%6.95K> 999
May 15, 20268.42M−400.1K−4.5%91> 999
Apr 30, 20268.82M+3.85M+77.4%25.5K346.56
Apr 15, 20264.97M−18.0M−78.4%200> 999
Mar 31, 202623.0M+17.8M+343.5%80.0K287.24
Mar 13, 20265.18M−170.1K−3.2%606.2K8.55
Feb 27, 20265.35M−65.4K−1.2%0> 999
Feb 13, 20265.42M+580.0K+12.0%0> 999
Jan 30, 20264.84M+547.8K+12.8%14> 999
Jan 15, 20264.29M+2.23M+108.8%50> 999
Dec 31, 20252.05M+1.20M+141.7%9.36K219.43
Dec 15, 2025849.7K+529.7K+165.5%7.64K111.27
Nov 28, 2025320.0K−190.1K−37.3%111> 999
Nov 14, 2025510.1K+149.6K+41.5%2.00K255.04
Oct 31, 2025360.4K−104.9K−22.5%500720.88
Oct 15, 2025465.3K+218.1K+88.2%0> 999
Sep 30, 2025247.3K−76.9K−23.7%0> 999
Sep 15, 2025324.2K+109.8K+51.2%205> 999
Aug 29, 2025214.4K+138.6K+183.0%0> 999
Aug 15, 202575.8K−70.5K−48.2%0> 999
Jul 31, 2025146.3K−75.8K−34.1%0> 999
Jul 15, 2025222.0K+75.8K+51.9%0> 999
Jun 30, 2025146.2K−360.5K−71.2%0> 999
Jun 13, 2025506.7K−188.3K−27.1%0> 999
May 30, 2025695.0K+298.7K+75.4%220> 999
May 15, 2025396.3K+396.3K+100.0%455870.99
Apr 15, 20252.45K−170.4K−98.6%0> 999
Mar 31, 2025172.8K+10.3K+6.3%0> 999
Mar 14, 2025162.6K−170.3K−51.2%0> 999
Feb 28, 2025332.8K+26.6K+8.7%1.11K299.56
Feb 14, 2025306.2K−462.0K−60.1%0> 999
Jan 31, 2025768.2K+630.7K+458.8%0> 999
Jan 15, 2025137.5K−160.7K−53.9%16> 999
Dec 31, 2024298.2K+195.8K+191.3%0> 999
Dec 13, 2024102.4K−6.25K−5.8%0> 999
Nov 29, 2024108.6K+18.0K+19.9%0> 999
Nov 15, 202490.6K−17.5K−16.2%1.54K58.63
Oct 31, 2024108.1K−223.7K−67.4%0> 999
Oct 15, 2024331.8K+4.29K+1.3%0> 999

Fails-to-deliver

Shares that weren't delivered by the settlement date, from the SEC, for the last 30 dates with fails. The price is the previous day's closing price published by the SEC.

The SEC has reported no fails-to-deliver for PRRUF.

Daily short volume

Off-exchange short-sale volume, not short interest: shares sold short each day in trades reported to FINRA, for the last 30 trading days.

The short volume ratio isn't a sentiment gauge: market makers sell short to fill buy orders and to hedge, so short sales are usually about half of off-exchange volume.

FINRA has reported no daily short volume for PRRUF in the last two years.

ATS (dark pool) volume

Weekly volume on alternative trading systems (ATS) and other off-exchange (OTC) venues, from FINRA, for the last 12 weeks. ATS share is ATS volume ÷ (ATS + OTC volume), not a share of all trading.

Weekly ATS and OTC volume in PRRUF
Week ofTierATS sharesATS tradesOther OTC sharesOther OTC tradesATS share
Sep 28, 2026OTCE––2,5001–
Aug 17, 2026OTCE––30,3004–
May 25, 2026OTCE––11,2502–
May 18, 2026OTCE––20,0053–
May 4, 2026OTCE––5001–
Apr 27, 2026OTCE––10,0001–
Apr 20, 2026OTCE––10,0752–
Apr 13, 2026OTCE––120,0002–
Apr 6, 2026OTCE––1,0001–
Mar 16, 2026OTCE––480,0003–
Mar 9, 2026OTCE––3,031,0108–
Jan 19, 2026OTCE––701–