You can go to this link to check short interest in a stock:
http://nasdaqtrader.com/Trader.aspx?id=ShortInterest
Publication schedule is here:
http://nasdaqtrader.com/Trader.aspx?id=ShortIntPubSch
Settlement Date Short Interest Percent Change Average Daily Share Volume Days to Cover
11/13/2020 8,078,496 1.03 550,301 14.68
10/30/2020 7,996,168 2.15 421,739 18.96
10/15/2020 7,827,529 7.73 507,296 15.43
Institutional Owners 330
Institutional Shares 50,649,455 - 127.38% (ex 13D/G)
09/30/2020 7,265,821 (1.57) 580,938 12.51
09/15/2020 7,381,709 (0.88) 585,635 12.60
08/31/2020 7,446,943 1.44 521,814 14.27
08/14/2020 7,341,251 3.89 1,209,694 6.07
07/31/2020 7,066,243 2.34 575,964 12.27
07/15/2020 6,904,486 1.29 874,892 7.89
Institutional Owners 327
Institutional Shares 49,805,359 - 125.26% (ex 13D/G)
06/30/2020 6,816,273 (7.63) 1,195,681 5.70
06/15/2020 7,379,135 (0.85) 896,770 8.23
05/29/2020 7,442,145 (5.55) 780,209 9.54
05/15/2020 7,879,835 0.08 1,384,689 5.69
04/30/2020 7,873,917 (6.68) 772,327 10.20
04/15/2020 8,437,711 (1.29) 982,840 8.59
Institutional Owners 305
Institutional Shares 51,940,411 - 130.63% (ex 13D/G)
03/31/2020 8,548,324 17.05 1,354,893 6.31
03/13/2020 7,303,260 3.20 1,207,635 6.05
02/28/2020 7,076,651 (3.60) 2,077,040 3.41
02/14/2020 7,340,576 (7.67) 4,110,976 1.79
01/31/2020 7,950,019 1.64 1,575,095 5.05
01/15/2020 7,822,070 12.41 1,405,368 5.57
Institutional Owners 305
Institutional Shares 44,468,763 - 111.84% (ex 13D/G)
12/31/2019 6,958,596 (1.71) 1,521,638 4.57
12/13/2019 7,079,750 3.89 2,337,233 3.03
11/29/2019 6,814,354 2.89 1,350,266 5.05
11/15/2019 6,622,759 (14.06) 1,858,307 3.56
10/31/2019 7,705,927 (5.88) 1,357,564 5.68
10/15/2019 8,187,346 0.25 1,813,875 4.51
Institutional Owners 245
Institutional Shares 44,878,890 - 112.87% (ex 13D/G)
09/30/2019 8,166,689 (8.57) 1,636,824 4.99
09/13/2019 8,931,953 0.96 1,511,734 5.91
08/30/2019 8,846,816 (0.10) 1,066,176 8.30
08/15/2019 8,855,575 20.61 2,107,135 4.20
Recent PBYI News
- Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405] • Edgar (US Regulatory) • 02/26/2026 09:41:18 PM
- Puma Biotechnology Reports Fourth Quarter and Full Year 2025 Financial Results • Business Wire • 02/26/2026 09:05:00 PM
- Puma Biotechnology to Present at TD Cowen’s 46th Annual Health Care Conference • Business Wire • 02/23/2026 09:15:00 PM
- Form 4 - Statement of changes in beneficial ownership of securities • Edgar (US Regulatory) • 02/21/2026 01:28:40 AM
- Form 4 - Statement of changes in beneficial ownership of securities • Edgar (US Regulatory) • 02/21/2026 01:28:04 AM
- Puma Biotechnology to Host Conference Call to Discuss Fourth Quarter and Full Year 2025 Financial Results • Business Wire • 02/12/2026 09:07:00 PM
- Puma Biotechnology Reports Inducement Awards Under Nasdaq Listing Rule 5635(c)(4) • Business Wire • 02/04/2026 10:05:00 PM
- Puma Biotechnology Reports Inducement Awards Under Nasdaq Listing Rule 5635(c)(4) • Business Wire • 01/07/2026 10:15:00 PM
- Form 144 - Report of proposed sale of securities • Edgar (US Regulatory) • 01/07/2026 09:28:49 PM
- Form 144 - Report of proposed sale of securities • Edgar (US Regulatory) • 01/07/2026 09:25:32 PM
- Form 144 - Report of proposed sale of securities • Edgar (US Regulatory) • 01/07/2026 09:24:35 PM
- Form 144 - Report of proposed sale of securities • Edgar (US Regulatory) • 01/06/2026 09:53:35 PM
- Form 144 - Report of proposed sale of securities • Edgar (US Regulatory) • 01/06/2026 09:45:54 PM
- Puma Biotechnology Added to the NASDAQ Biotechnology Index (NBI) • Business Wire • 12/22/2025 09:10:00 PM
- Puma Biotechnology Reports Inducement Awards Under Nasdaq Listing Rule 5635(c)(4) • Business Wire • 12/02/2025 10:15:00 PM
- Puma Biotechnology Reports Inducement Awards Under Nasdaq Listing Rule 5635(c)(4) • Business Wire • 11/07/2025 10:05:00 PM
- Form 10-Q - Quarterly report [Sections 13 or 15(d)] • Edgar (US Regulatory) • 11/06/2025 09:41:12 PM
- Puma Biotechnology Reports Third Quarter 2025 Financial Results • Business Wire • 11/06/2025 09:05:00 PM
- Puma Biotechnology to Host Conference Call to Discuss Third Quarter Financial Results • Business Wire • 10/23/2025 08:10:00 PM
- Puma Biotechnology Reports Inducement Awards Under Nasdaq Listing Rule 5635(c)(4) • Business Wire • 10/02/2025 09:21:00 PM
- Puma Biotechnology Reports Inducement Awards Under Nasdaq Listing Rule 5635(c)(4) • Business Wire • 09/04/2025 09:25:00 PM
- Puma Biotechnology to Present at the H.C. Wainwright 27th Annual Global Investment Conference • Business Wire • 09/02/2025 08:07:00 PM
- Puma Biotechnology Reports Inducement Awards Under Nasdaq Listing Rule 5635(c)(4) • Business Wire • 08/08/2025 09:00:00 PM
- Form 10-Q - Quarterly report [Sections 13 or 15(d)] • Edgar (US Regulatory) • 08/07/2025 08:41:09 PM
- Form 8-K - Current report • Edgar (US Regulatory) • 08/07/2025 08:32:18 PM
FEATURED Cannabix Technologies Announces Commercial Launch of Marijuana Breath Test (MBT) • Mar 16, 2026 8:37 AM
Record Gold Prices Reshape Economics of New Mine Development • SNWGF • Mar 16, 2026 10:46 AM
Exxe Group Advances Platform Strategy and Share Structure Reduction Following Strategic Meetings • AXXA • Mar 11, 2026 1:03 PM
DRCR Pushes Forward With Implementation of 2026 Business Plan • DRCR • Mar 11, 2026 12:26 PM
Record Gold Prices Reshape Opportunities for Emerging Producers • LFLR • Mar 11, 2026 9:00 AM
C2 Blockchain Reports 803 Million DOG (Bitcoin) Holdings Following Strategic Accumulation of Bitcoin-Native Digital Assets • CBLO • Mar 10, 2026 8:00 AM
