Columbia Seligman Premium Technology Growth Fund, Inc. SEC filings STK
Columbia Seligman Premium Technology Growth Fund, Inc. has 452 filings in SEC EDGAR's recent list, going back to Sep 4, 2009. The most recent current report (Form 8-K) was filed on Oct 9, 2026 (regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 3 | Initial insider ownership | Apr 1, 2026 | Apr 1, 2026 |
| 3 | Initial insider ownership | Feb 4, 2026 | Feb 1, 2026 |
| 3 | Initial insider ownership | Feb 3, 2026 | Feb 1, 2026 |
| 3 | Initial insider ownership | Jan 5, 2026 | Jan 1, 2026 |
| 4 | Insider transaction | Dec 16, 2025 | Dec 15, 2025 |
| 4 | Insider transaction | Sep 8, 2025 | Sep 4, 2025 |
| 3 | Initial insider ownership | May 7, 2025 | Apr 30, 2025 |
| 4 | Insider transaction | Mar 11, 2025 | Mar 7, 2025 |
| 3 | Initial insider ownership | Oct 8, 2024 | Sep 30, 2024 |
| 3 | Initial insider ownership | Jul 1, 2024 | Jul 1, 2024 |
| 3 | Initial insider ownership | Mar 1, 2024 | Mar 1, 2024 |
| 3 | Initial insider ownership | Jan 16, 2024 | Jan 15, 2024 |
| 3 | Initial insider ownership | Jan 16, 2024 | Jan 15, 2024 |
| 3 | Initial insider ownership | Jan 10, 2024 | Jan 1, 2024 |
| 3 | Initial insider ownership | Jan 2, 2024 | Jan 1, 2024 |
| 3 | Initial insider ownership | Jan 4, 2023 | Jan 1, 2023 |
| 3 | Initial insider ownership | Jan 4, 2022 | Jan 1, 2022 |
| 4 | Insider transaction | May 14, 2021 | May 6, 2021 |
| 3 | Initial insider ownership | Mar 5, 2021 | Mar 1, 2021 |
| 4 | Insider transaction | Nov 19, 2020 | Nov 17, 2020 |
| 3 | Initial insider ownership | Jun 25, 2020 | Jun 19, 2020 |
| 3 | Initial insider ownership | Jun 15, 2020 | Jun 15, 2020 |
| 3 | Initial insider ownership | Apr 1, 2020 | Mar 27, 2020 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 15, 2020 | — |
| 3 | Initial insider ownership | Jan 7, 2020 | Jan 1, 2020 |
| 3 | Initial insider ownership | Jan 6, 2020 | Jan 1, 2020 |
| 4 | Insider transaction | Aug 19, 2019 | Jun 25, 2019 |
| 3 | Initial insider ownership | Apr 17, 2019 | Apr 16, 2019 |
| 3 | Initial insider ownership | Feb 5, 2019 | Feb 1, 2019 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 28, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 9, 2018 | — |
| 3 | Initial insider ownership | Feb 26, 2018 | Feb 20, 2018 |
| 3 | Initial insider ownership | Feb 9, 2018 | Feb 2, 2018 |
| 3 | Initial insider ownership | Feb 8, 2018 | Feb 2, 2018 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 17, 2018 | — |
| 3 | Initial insider ownership | Jan 5, 2018 | Jan 1, 2018 |
| 3 | Initial insider ownership | Jan 5, 2018 | Jan 1, 2018 |
| 3 | Initial insider ownership | Apr 7, 2017 | Apr 1, 2017 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2017 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 12, 2017 | — |
| 3 | Initial insider ownership | Jan 11, 2017 | Oct 25, 2016 |
| 3 | Initial insider ownership | Apr 21, 2016 | Apr 18, 2016 |
| 3 | Initial insider ownership | Feb 26, 2016 | Feb 19, 2016 |
| SC 13G | Ownership over 5% (passive) | Feb 16, 2016 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 15, 2016 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Sep 10, 2015 | — |
| 3 | Initial insider ownership | Jul 22, 2015 | Jul 13, 2015 |
| 3 | Initial insider ownership | Jul 20, 2015 | Jul 13, 2015 |
| 3 | Initial insider ownership | Apr 8, 2015 | Mar 30, 2015 |
| 3 | Initial insider ownership | Apr 8, 2015 | Mar 30, 2015 |
| 3 | Initial insider ownership | Apr 6, 2015 | Mar 30, 2015 |
| 3 | Initial insider ownership | Mar 6, 2015 | Mar 2, 2015 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2015 | — |
| 3 | Initial insider ownership | Jan 9, 2015 | Jan 1, 2015 |
| 3 | Initial insider ownership | Jan 9, 2015 | Jan 1, 2015 |
| 4 | Insider transaction | Nov 24, 2014 | Nov 10, 2014 |
| 3 | Initial insider ownership | Aug 25, 2014 | Aug 18, 2014 |
| 5 | Annual insider ownership | Mar 5, 2014 | Dec 31, 2013 |
| 5 | Annual insider ownership | Mar 5, 2014 | Dec 31, 2013 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2014 | — |
| 3 | Initial insider ownership | Jan 6, 2014 | Jan 1, 2014 |
| 3 | Initial insider ownership | Nov 21, 2013 | Nov 15, 2013 |
| 3 | Initial insider ownership | Nov 21, 2013 | Nov 15, 2013 |
| SC 13G/A | Amended ownership over 5% (passive) | May 10, 2013 | — |
| 3 | Initial insider ownership | Feb 20, 2013 | Feb 11, 2013 |
| 4 | Insider transaction | Jan 30, 2013 | Nov 5, 2012 |
| SC 13G | Ownership over 5% (passive) | Jan 10, 2013 | — |
| 4 | Insider transaction | Oct 18, 2012 | Oct 17, 2012 |
| 4 | Insider transaction | Oct 10, 2012 | Oct 9, 2012 |
| 4 | Insider transaction | Oct 9, 2012 | Oct 8, 2012 |
| 4 | Insider transaction | Oct 5, 2012 | Oct 4, 2012 |
| 4 | Insider transaction | Oct 4, 2012 | Sep 20, 2012 |
| 4 | Insider transaction | Oct 4, 2012 | Oct 4, 2012 |
| 4 | Insider transaction | Oct 4, 2012 | Oct 2, 2012 |
| 3 | Initial insider ownership | Apr 25, 2012 | Apr 19, 2012 |
| 3 | Initial insider ownership | Mar 29, 2012 | Mar 23, 2012 |
| 3 | Initial insider ownership | Mar 29, 2012 | Apr 14, 2011 |
| 3 | Initial insider ownership | Mar 23, 2012 | Mar 13, 2012 |
| 3 | Initial insider ownership | Apr 22, 2011 | Apr 14, 2011 |
| 3 | Initial insider ownership | Apr 22, 2011 | Apr 14, 2011 |
| 3 | Initial insider ownership | Apr 22, 2011 | Apr 14, 2011 |
| 3 | Initial insider ownership | Apr 22, 2011 | Apr 14, 2011 |
| 3 | Initial insider ownership | Apr 22, 2011 | Apr 14, 2011 |
| 3 | Initial insider ownership | Apr 22, 2011 | Jan 8, 2011 |
| 4 | Insider transaction | Dec 30, 2010 | Jan 31, 2010 |
| 3 | Initial insider ownership | May 11, 2010 | May 1, 2010 |
| 3 | Initial insider ownership | May 11, 2010 | May 1, 2010 |
| 3 | Initial insider ownership | May 11, 2010 | May 1, 2010 |
| 3 | Initial insider ownership | May 11, 2010 | May 1, 2010 |
| 3 | Initial insider ownership | May 11, 2010 | May 1, 2010 |
| 3 | Initial insider ownership | May 11, 2010 | May 1, 2010 |
| 3 | Initial insider ownership | May 11, 2010 | May 1, 2010 |
| 3 | Initial insider ownership | May 11, 2010 | May 1, 2010 |
| 3 | Initial insider ownership | May 11, 2010 | May 1, 2010 |
| 3 | Initial insider ownership | May 11, 2010 | May 1, 2010 |
| 3 | Initial insider ownership | Nov 24, 2009 | Nov 24, 2009 |
| 3 | Initial insider ownership | Nov 24, 2009 | Nov 24, 2009 |
| 3 | Initial insider ownership | Nov 24, 2009 | Nov 24, 2009 |
| 3 | Initial insider ownership | Nov 24, 2009 | Nov 24, 2009 |
| 3 | Initial insider ownership | Nov 24, 2009 | Nov 24, 2009 |
| 3 | Initial insider ownership | Nov 24, 2009 | Nov 24, 2009 |
| 3 | Initial insider ownership | Nov 24, 2009 | Nov 24, 2009 |
| 3 | Initial insider ownership | Nov 24, 2009 | Nov 24, 2009 |
| 3 | Initial insider ownership | Nov 24, 2009 | Nov 24, 2009 |
| 3 | Initial insider ownership | Nov 24, 2009 | Nov 24, 2009 |
| 3 | Initial insider ownership | Nov 24, 2009 | Nov 24, 2009 |
| 3 | Initial insider ownership | Nov 24, 2009 | Nov 24, 2009 |
| 3 | Initial insider ownership | Nov 24, 2009 | Nov 24, 2009 |
| 3 | Initial insider ownership | Nov 24, 2009 | Nov 24, 2009 |
| 3 | Initial insider ownership | Nov 24, 2009 | Nov 24, 2009 |
| 3 | Initial insider ownership | Nov 24, 2009 | Nov 24, 2009 |
| 3 | Initial insider ownership | Nov 24, 2009 | Nov 24, 2009 |
| 3 | Initial insider ownership | Nov 24, 2009 | Nov 24, 2009 |
| 3 | Initial insider ownership | Nov 24, 2009 | Nov 24, 2009 |
| 3 | Initial insider ownership | Nov 24, 2009 | Nov 24, 2009 |
| 3 | Initial insider ownership | Nov 24, 2009 | Nov 24, 2009 |
| 3 | Initial insider ownership | Nov 24, 2009 | Nov 24, 2009 |
| 3 | Initial insider ownership | Nov 24, 2009 | Nov 24, 2009 |
| 3 | Initial insider ownership | Nov 24, 2009 | Nov 24, 2009 |
Showing 119 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
- STK (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- MD
- Headquarters
- Boston, MA
- SEC CIK
- 1471420
- Former names
- Seligman Premium Technology Growth Fund, Inc. (until Nov 29, 2010)
Source: SEC EDGAR filings. This is company-reported data, not investment advice.