abrdn Life Sciences Investors SEC filings HQL
abrdn Life Sciences Investors has 519 filings in SEC EDGAR's recent list, going back to Dec 13, 1995. The most recent current report (Form 8-K) was filed on Sep 12, 2023 (auditor change). The company's fiscal year ends on September 30.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 14, 2026 | — |
| 4 | Insider transaction | Jul 20, 2026 | Jul 16, 2026 |
| 3 | Initial insider ownership | Jun 11, 2026 | Jun 9, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 6, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Feb 23, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Feb 11, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jan 8, 2026 | — |
| 3 | Initial insider ownership | Dec 19, 2025 | Dec 9, 2025 |
| 4 | Insider transaction | Dec 18, 2025 | Dec 16, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Nov 24, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Sep 26, 2025 | — |
| 4 | Insider transaction | Sep 23, 2025 | Sep 19, 2025 |
| 4 | Insider transaction | Sep 19, 2025 | Sep 17, 2025 |
| 4 | Insider transaction | Sep 17, 2025 | Sep 15, 2025 |
| 4 | Insider transaction | Sep 15, 2025 | Sep 11, 2025 |
| 4 | Insider transaction | Sep 4, 2025 | Sep 2, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Sep 3, 2025 | — |
| 4 | Insider transaction | Sep 2, 2025 | Aug 29, 2025 |
| 4 | Insider transaction | Aug 27, 2025 | Aug 26, 2025 |
| 4 | Insider transaction | Aug 25, 2025 | Aug 21, 2025 |
| 3 | Initial insider ownership | Jul 22, 2025 | Jul 17, 2025 |
| 4 | Insider transaction | May 22, 2025 | May 20, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 15, 2025 | May 13, 2025 |
| 4 | Insider transaction | May 12, 2025 | May 8, 2025 |
| 4 | Insider transaction | May 8, 2025 | May 7, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 28, 2025 | — |
| 4 | Insider transaction | Apr 21, 2025 | Apr 17, 2025 |
| 4 | Insider transaction | Apr 17, 2025 | Apr 15, 2025 |
| 4 | Insider transaction | Apr 15, 2025 | Apr 14, 2025 |
| 4 | Insider transaction | Apr 14, 2025 | Apr 10, 2025 |
| 4 | Insider transaction | Apr 7, 2025 | Apr 3, 2025 |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Apr 1, 2025 | — |
| 4 | Insider transaction | Apr 1, 2025 | Mar 31, 2025 |
| 4 | Insider transaction | Mar 31, 2025 | Mar 27, 2025 |
| 4 | Insider transaction | Mar 25, 2025 | Mar 24, 2025 |
| 3 | Initial insider ownership | Mar 20, 2025 | Mar 11, 2025 |
| 3 | Initial insider ownership | Mar 20, 2025 | Mar 11, 2025 |
| 3 | Initial insider ownership | Mar 20, 2025 | Mar 11, 2025 |
| 3 | Initial insider ownership | Mar 20, 2025 | Mar 11, 2025 |
| 3 | Initial insider ownership | Mar 20, 2025 | Mar 11, 2025 |
| 3 | Initial insider ownership | Mar 20, 2025 | Mar 11, 2025 |
| 4 | Insider transaction | Feb 27, 2025 | Feb 26, 2025 |
| 4 | Insider transaction | Feb 18, 2025 | Feb 13, 2025 |
| 4 | Insider transaction | Feb 13, 2025 | Feb 12, 2025 |
| 4 | Insider transaction | Feb 12, 2025 | Feb 10, 2025 |
| 4 | Insider transaction | Feb 5, 2025 | Feb 3, 2025 |
| 4 | Insider transaction | Feb 3, 2025 | Jan 30, 2025 |
| 4 | Insider transaction | Jan 30, 2025 | Jan 29, 2025 |
| 3 | Initial insider ownership | Dec 20, 2024 | Mar 13, 2024 |
| 3 | Initial insider ownership | Dec 20, 2024 | Dec 10, 2024 |
| 4 | Insider transaction | Aug 27, 2024 | Aug 23, 2024 |
| 4 | Insider transaction | Jul 18, 2024 | Jul 16, 2024 |
| 4 | Insider transaction | Jun 27, 2024 | Jun 26, 2024 |
| 4 | Insider transaction | Jun 25, 2024 | Jun 24, 2024 |
| 3 | Initial insider ownership | Jun 18, 2024 | Jun 12, 2024 |
| 3 | Initial insider ownership | Jun 18, 2024 | Jun 10, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 12, 2024 |
| 4 | Insider transaction | Jun 11, 2024 | Jun 10, 2024 |
| 4 | Insider transaction | Jun 10, 2024 | Jun 6, 2024 |
| 4 | Insider transaction | Jun 5, 2024 | Jun 4, 2024 |
| 4 | Insider transaction | Jun 3, 2024 | May 31, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Jun 3, 2024 | — |
| 4 | Insider transaction | May 31, 2024 | May 28, 2024 |
| 4 | Insider transaction | May 23, 2024 | May 23, 2024 |
| 4 | Insider transaction | May 17, 2024 | May 15, 2024 |
| 4 | Insider transaction | May 14, 2024 | May 10, 2024 |
| 4 | Insider transaction | May 10, 2024 | May 8, 2024 |
| 4 | Insider transaction | May 7, 2024 | May 6, 2024 |
| 4 | Insider transaction | May 2, 2024 | May 1, 2024 |
| 4 | Insider transaction | May 1, 2024 | Apr 30, 2024 |
| 4 | Insider transaction | Apr 29, 2024 | Apr 26, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Apr 29, 2024 | — |
| 4 | Insider transaction | Apr 26, 2024 | Apr 24, 2024 |
| 4 | Insider transaction | Apr 23, 2024 | Apr 22, 2024 |
| 4 | Insider transaction | Apr 22, 2024 | Apr 18, 2024 |
| 3 | Initial insider ownership | Apr 19, 2024 | Apr 18, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Apr 17, 2024 | — |
| 4 | Insider transaction | Apr 12, 2024 | Apr 9, 2024 |
| 3 | Initial insider ownership | Mar 22, 2024 | Mar 13, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Feb 7, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jan 12, 2024 | — |
| 4 | Insider transaction | Jan 4, 2024 | Jan 2, 2024 |
| 4 | Insider transaction | Jan 2, 2024 | Dec 28, 2023 |
| SC 13D | Ownership over 5% (active) | Dec 29, 2023 | — |
| 3 | Initial insider ownership | Dec 22, 2023 | Dec 13, 2023 |
| 3 | Initial insider ownership | Dec 22, 2023 | Dec 13, 2023 |
| 3 | Initial insider ownership | Nov 6, 2023 | Oct 27, 2023 |
| 3 | Initial insider ownership | Nov 6, 2023 | Oct 27, 2023 |
| 3 | Initial insider ownership | Nov 6, 2023 | Oct 27, 2023 |
| 3 | Initial insider ownership | Nov 6, 2023 | Oct 27, 2023 |
| 3 | Initial insider ownership | Nov 6, 2023 | Oct 27, 2023 |
| 3 | Initial insider ownership | Nov 6, 2023 | Oct 27, 2023 |
| 3 | Initial insider ownership | Nov 6, 2023 | Oct 27, 2023 |
| 3 | Initial insider ownership | Nov 6, 2023 | Oct 27, 2023 |
| 3 | Initial insider ownership | Nov 6, 2023 | Oct 27, 2023 |
| 3 | Initial insider ownership | Nov 6, 2023 | Oct 27, 2023 |
| 3 | Initial insider ownership | Nov 6, 2023 | Oct 27, 2023 |
| 3 | Initial insider ownership | Nov 6, 2023 | Oct 27, 2023 |
| 3 | Initial insider ownership | Nov 6, 2023 | Oct 27, 2023 |
| 3 | Initial insider ownership | Nov 6, 2023 | Oct 27, 2023 |
| 3 | Initial insider ownership | Nov 6, 2023 | Oct 27, 2023 |
| 4 | Insider transaction | Sep 25, 2023 | Sep 25, 2023 |
| 4 | Insider transaction | Sep 20, 2023 | Sep 20, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 6, 2023 | — |
| 3 | Initial insider ownership | Jun 14, 2022 | Jun 9, 2022 |
| 4 | Insider transaction | Mar 24, 2022 | Mar 23, 2022 |
| 4 | Insider transaction | Jan 27, 2022 | Jan 26, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 21, 2022 | — |
| 3 | Initial insider ownership | Dec 2, 2021 | Nov 30, 2021 |
| 4 | Insider transaction | Aug 12, 2021 | Aug 11, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 21, 2021 | — |
| 4 | Insider transaction | Oct 26, 2020 | Oct 26, 2020 |
| 4 | Insider transaction | Oct 21, 2020 | Oct 21, 2020 |
| 4 | Insider transaction | Sep 23, 2020 | Sep 22, 2020 |
| 3 | Initial insider ownership | Aug 28, 2020 | Aug 27, 2020 |
| 4 | Insider transaction | May 22, 2020 | May 21, 2020 |
| 4 | Insider transaction | Mar 17, 2020 | Mar 17, 2020 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 3, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jul 10, 2019 | — |
| SC 13G | Ownership over 5% (passive) | Jan 28, 2019 | — |
| 3 | Initial insider ownership | Dec 19, 2018 | Dec 13, 2018 |
| 4 | Insider transaction | Jan 29, 2018 | Jan 25, 2018 |
| 3 | Initial insider ownership | Jan 18, 2018 | Dec 19, 2017 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2017 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 27, 2017 | — |
| SC 13G | Ownership over 5% (passive) | Feb 11, 2016 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 25, 2016 | — |
| 4 | Insider transaction | Jun 29, 2015 | Jun 29, 2015 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 23, 2015 | — |
| 4 | Insider transaction | Jul 11, 2014 | Jun 24, 2014 |
| 4 | Insider transaction | Jul 1, 2014 | Jun 30, 2014 |
| 4 | Insider transaction | Jul 1, 2014 | Jun 24, 2014 |
| 4 | Insider transaction | Jun 30, 2014 | Jun 24, 2014 |
| 4 | Insider transaction | Jun 30, 2014 | Jun 24, 2014 |
| 4 | Insider transaction | Jun 30, 2014 | Jun 24, 2014 |
| 4 | Insider transaction | Jun 30, 2014 | Jun 24, 2014 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 17, 2014 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jul 10, 2013 | — |
| 4 | Insider transaction | Jun 4, 2013 | Jun 4, 2013 |
| SC 13G | Ownership over 5% (passive) | Feb 7, 2013 | — |
| SC 13G | Ownership over 5% (passive) | Feb 7, 2013 | — |
| 4 | Insider transaction | Mar 21, 2012 | Mar 19, 2012 |
| 4 | Insider transaction | Mar 12, 2012 | Mar 9, 2012 |
| 4 | Insider transaction | Mar 12, 2012 | Mar 9, 2012 |
| 3 | Initial insider ownership | Dec 15, 2011 | Dec 13, 2011 |
| 4 | Insider transaction | Aug 8, 2011 | Aug 8, 2011 |
| SC 13D/A | Amended ownership over 5% (active) | Jun 6, 2011 | — |
| SC 13D/A | Amended ownership over 5% (active) | May 23, 2011 | — |
| SC 13D/A | Amended ownership over 5% (active) | May 9, 2011 | — |
| SC 13D/A | Amended ownership over 5% (active) | Apr 25, 2011 | — |
| SC 13D/A | Amended ownership over 5% (active) | Mar 14, 2011 | — |
| SC 13D/A | Amended ownership over 5% (active) | Feb 25, 2011 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jan 19, 2011 | — |
| SC 13D | Ownership over 5% (active) | Jan 4, 2011 | — |
| 3 | Initial insider ownership | Jun 18, 2010 | Jun 8, 2010 |
| 4 | Insider transaction | Aug 6, 2009 | Aug 6, 2009 |
| 3 | Initial insider ownership | Jul 16, 2009 | Jun 11, 2009 |
| 4 | Insider transaction | May 19, 2009 | May 18, 2009 |
| 3 | Initial insider ownership | May 15, 2009 | May 11, 2009 |
| 4 | Insider transaction | Dec 1, 2008 | Nov 26, 2008 |
| 4 | Insider transaction | Oct 14, 2008 | Oct 10, 2008 |
| 4 | Insider transaction | Feb 27, 2008 | Feb 25, 2008 |
| 4 | Insider transaction | Jan 2, 2008 | Dec 31, 2007 |
| 4 | Insider transaction | Nov 26, 2007 | Nov 21, 2007 |
| 3 | Initial insider ownership | Nov 20, 2007 | Nov 14, 2007 |
| 4 | Insider transaction | Aug 6, 2007 | Aug 3, 2007 |
| 3 | Initial insider ownership | Jun 29, 2007 | Jun 21, 2007 |
| 3 | Initial insider ownership | May 15, 2007 | May 9, 2007 |
| 4 | Insider transaction | Mar 22, 2007 | Sep 20, 2006 |
| 4 | Insider transaction | Feb 12, 2007 | Feb 9, 2007 |
| 4 | Insider transaction | Oct 2, 2006 | Sep 28, 2006 |
| 3 | Initial insider ownership | Jun 22, 2006 | Jun 15, 2006 |
| 3 | Initial insider ownership | Dec 7, 2005 | Dec 7, 2005 |
| 3 | Initial insider ownership | Dec 7, 2005 | Dec 7, 2005 |
| 3 | Initial insider ownership | Dec 7, 2005 | Dec 7, 2005 |
| 4 | Insider transaction | Apr 5, 2005 | Apr 1, 2005 |
| 3 | Initial insider ownership | Oct 12, 2004 | Oct 5, 2004 |
| 4 | Insider transaction | Aug 2, 2004 | Jul 29, 2004 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2001 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2000 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 16, 1999 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 1998 | — |
| SC 13G | Ownership over 5% (passive) | Feb 7, 1997 | — |
Showing 185 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Listed as
- HQL (NYSE)
- Fiscal year ends
- September 30
- Incorporated in
- MA
- Headquarters
- Philadelphia, PA
- SEC CIK
- 884121
- Former names
- TEKLA LIFE SCIENCES INVESTORS (until Oct 5, 2023); H&Q LIFE SCIENCES INVESTORS (until Sep 18, 2014)
Source: SEC EDGAR filings. This is company-reported data, not investment advice.