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 |
|---|---|---|---|
| 8-K |
Current report
Regulation FD disclosure
|
Oct 9, 2026 | Oct 9, 2026 |
| 497 | Filing | Sep 28, 2026 | — |
| N-CSRS | Filing | Sep 4, 2026 | Jun 30, 2026 |
| NPORT-P | Filing | Aug 28, 2026 | Jun 30, 2026 |
| N-PX | Filing | Aug 18, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 7, 2026 | Aug 7, 2026 |
| 40-17G | Filing | Jul 10, 2026 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 16, 2026 | Jun 16, 2026 |
| NPORT-P | Filing | May 28, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
May 8, 2026 | May 8, 2026 |
| DEF 14A | Proxy statement | Apr 27, 2026 | Jun 16, 2026 |
| 3 | Initial insider ownership | Apr 1, 2026 | Apr 1, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 19, 2026 | Mar 19, 2026 |
| N-CEN | Filing | Mar 10, 2026 | Dec 31, 2025 |
| N-CSR | Filing | Mar 6, 2026 | Dec 31, 2025 |
| NPORT-P | Filing | Feb 26, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 6, 2026 | Feb 6, 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 |
| NPORT-P | Filing | Nov 26, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 7, 2025 | Nov 7, 2025 |
| 424B3 | Prospectus | Sep 8, 2025 | — |
| 4 | Insider transaction | Sep 8, 2025 | Sep 4, 2025 |
| N-CSRS | Columbia seligman premium technology growth fund, inc. | Sep 4, 2025 | Jun 30, 2025 |
| NPORT-P | Filing | Aug 22, 2025 | Jun 30, 2025 |
| N-PX | Filing | Aug 21, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 8, 2025 | Aug 8, 2025 |
| 40-17G | Filing | Jul 18, 2025 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 24, 2025 | Jun 24, 2025 |
| NPORT-P | Filing | May 27, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
May 9, 2025 | May 9, 2025 |
| 3 | Initial insider ownership | May 7, 2025 | Apr 30, 2025 |
| DEF 14A | Proxy statement | May 5, 2025 | Jun 24, 2025 |
| 40-17G | Filing | Apr 23, 2025 | — |
| 40-17G | Filing | Mar 31, 2025 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 31, 2025 | Mar 31, 2025 |
| N-CEN | Filing | Mar 12, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Mar 11, 2025 | Mar 7, 2025 |
| POS EX | Filing | Mar 6, 2025 | — |
| N-CSR | Columbia seligman premium technology growth fund, inc. | Mar 5, 2025 | Dec 31, 2024 |
| NPORT-P | Filing | Feb 28, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 7, 2025 | Feb 7, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 6, 2024 | Dec 6, 2024 |
| NPORT-P | Filing | Nov 25, 2024 | Sep 30, 2024 |
| 424B5 | Prospectus supplement | Nov 22, 2024 | — |
| EFFECT | Filing | Nov 15, 2024 | — |
| N-2/A | Filing | Nov 13, 2024 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 8, 2024 | Nov 8, 2024 |
| N-2/A | Filing | Oct 30, 2024 | — |
| CORRESP | Letter to the SEC | Oct 30, 2024 | — |
| CORRESP | Letter to the SEC | Oct 16, 2024 | — |
| 3 | Initial insider ownership | Oct 8, 2024 | Sep 30, 2024 |
| N-CSRS | Columbia seligman premium technology growth fund, inc. | Sep 5, 2024 | Jun 30, 2024 |
| N-PX | Filing | Sep 3, 2024 | Jun 30, 2024 |
| NPORT-P | Filing | Aug 27, 2024 | Jun 30, 2024 |
| CORRESP | Letter to the SEC | Aug 26, 2024 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 9, 2024 | Aug 9, 2024 |
| 40-17G | Filing | Jul 17, 2024 | — |
| 3 | Initial insider ownership | Jul 1, 2024 | Jul 1, 2024 |
| N-2 | Filing | Jun 26, 2024 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 25, 2024 | Jun 25, 2024 |
| NPORT-P | Filing | May 28, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
May 3, 2024 | May 3, 2024 |
| DEF 14A | Proxy statement | Apr 22, 2024 | Jun 25, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 14, 2024 | Mar 14, 2024 |
| N-CEN | Filing | Mar 13, 2024 | Dec 31, 2023 |
| N-CSR | Columbia seligman premium technology growth fund, inc. | Mar 1, 2024 | Dec 31, 2023 |
| 3 | Initial insider ownership | Mar 1, 2024 | Mar 1, 2024 |
| NPORT-P | Filing | Feb 26, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 9, 2024 | Feb 9, 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 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 8, 2023 | Dec 8, 2023 |
| NPORT-P | Filing | Nov 27, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 3, 2023 | Nov 3, 2023 |
| N-CSRS | Columbia seligman premium technology growth fund, inc. | Aug 31, 2023 | Jun 30, 2023 |
| NPORT-P | Filing | Aug 24, 2023 | Jun 30, 2023 |
| N-PX | Filing | Aug 24, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 4, 2023 | Aug 4, 2023 |
| 40-17G | Filing | Jul 21, 2023 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 20, 2023 | Jun 20, 2023 |
| NPORT-P | Filing | May 25, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
May 5, 2023 | May 5, 2023 |
| DEF 14A | Proxy statement | Apr 17, 2023 | Jun 20, 2023 |
| N-CEN | Filing | Mar 15, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 10, 2023 | Mar 10, 2023 |
| N-CSR | Columbia seligman premium technology growth fund, inc. | Mar 3, 2023 | Dec 31, 2022 |
| NPORT-P | Filing | Feb 24, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 3, 2023 | Feb 3, 2023 |
| 3 | Initial insider ownership | Jan 4, 2023 | Jan 1, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 2, 2022 | Dec 2, 2022 |
| NPORT-P | Filing | Nov 25, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 7, 2022 | Oct 7, 2022 |
| N-CSRS | Columbia seligman premium technology growth fund, inc. | Aug 31, 2022 | Jun 30, 2022 |
| NPORT-P | Filing | Aug 24, 2022 | Jun 30, 2022 |
| N-PX | Filing | Aug 18, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 5, 2022 | Aug 5, 2022 |
| 40-17G | Filing | Jul 28, 2022 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 21, 2022 | Jun 21, 2022 |
| NPORT-P | Filing | May 25, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
May 6, 2022 | May 6, 2022 |
| DEF 14A | Proxy statement | Apr 18, 2022 | Jun 21, 2022 |
| N-CSR/A | Columbia seligman premium technology growth fund, inc. | Apr 8, 2022 | Dec 31, 2021 |
| N-CEN | Filing | Mar 15, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 11, 2022 | Mar 11, 2022 |
| N-CSR | Columbia seligman premium technology growth fund, inc. | Mar 3, 2022 | Dec 31, 2021 |
| NPORT-P | Filing | Feb 24, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 4, 2022 | Feb 4, 2022 |
| 3 | Initial insider ownership | Jan 4, 2022 | Jan 1, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 3, 2021 | Dec 3, 2021 |
| NPORT-P | Filing | Nov 23, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 5, 2021 | Nov 5, 2021 |
| N-CSRS | Columbia seligman premium technology growth fund, inc. | Aug 31, 2021 | Jun 30, 2021 |
| NPORT-P | Filing | Aug 25, 2021 | Jun 30, 2021 |
| N-PX | Filing | Aug 24, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 6, 2021 | Aug 6, 2021 |
| 40-17G | Filing | Jul 22, 2021 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 11, 2021 | Jun 11, 2021 |
| DEFA14A | Additional proxy material | Jun 4, 2021 | — |
| NPORT-P/A | Filing | May 25, 2021 | Mar 31, 2021 |
| NPORT-P | Filing | May 25, 2021 | Mar 31, 2021 |
| 4 | Insider transaction | May 14, 2021 | May 6, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
May 7, 2021 | May 7, 2021 |
| DEF 14A | Proxy statement | Apr 23, 2021 | Jun 11, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 22, 2021 | Mar 22, 2021 |
| N-CEN | Filing | Mar 12, 2021 | Dec 31, 2020 |
| 3 | Initial insider ownership | Mar 5, 2021 | Mar 1, 2021 |
| N-CSR | Columbia seligman premium technology growth fund, inc. | Mar 2, 2021 | Dec 31, 2020 |
| NPORT-P | Filing | Feb 24, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 5, 2021 | Feb 5, 2021 |
| NPORT-P | Filing | Nov 24, 2020 | Sep 30, 2020 |
| 4 | Insider transaction | Nov 19, 2020 | Nov 17, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 6, 2020 | Nov 6, 2020 |
| N-CSRS | Columbia seligman premium technology growth fund, inc. | Sep 3, 2020 | Jun 30, 2020 |
| NPORT-P | Filing | Aug 26, 2020 | Jun 30, 2020 |
| N-PX | Filing | Aug 21, 2020 | Jun 30, 2020 |
| 40-17G | Filing | Aug 12, 2020 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 7, 2020 | Aug 7, 2020 |
| 3 | Initial insider ownership | Jun 25, 2020 | Jun 19, 2020 |
| 3 | Initial insider ownership | Jun 15, 2020 | Jun 15, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 15, 2020 | Jun 15, 2020 |
| CORRESP | Letter to the SEC | Jun 5, 2020 | — |
| NPORT-P | Filing | May 28, 2020 | Mar 31, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
May 8, 2020 | May 8, 2020 |
| DEFA14A | Additional proxy material | Apr 7, 2020 | — |
| 8-K |
Current report
Other events
|
Apr 7, 2020 | Apr 7, 2020 |
| 3 | Initial insider ownership | Apr 1, 2020 | Mar 27, 2020 |
| N-CEN | Filing | Mar 12, 2020 | Dec 31, 2019 |
| DEF 14A | Proxy statement | Mar 6, 2020 | Apr 21, 2020 |
| N-CSR | Columbia seligman premium technology growth fund | Mar 4, 2020 | Dec 31, 2019 |
| NPORT-P | Filing | Feb 25, 2020 | Dec 31, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 7, 2020 | Feb 7, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 5, 2020 | Feb 5, 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 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 12, 2019 | Dec 12, 2019 |
| NPORT-P | Filing | Nov 26, 2019 | Sep 30, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 8, 2019 | Nov 8, 2019 |
| N-CSRS | Columbia seligman premium technology growth fund, inc. | Sep 4, 2019 | Jun 30, 2019 |
| N-PX | Filing | Aug 22, 2019 | Jun 30, 2019 |
| 4 | Insider transaction | Aug 19, 2019 | Jun 25, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 2, 2019 | Aug 2, 2019 |
| 40-17G | Filing | Jul 19, 2019 | — |
| NPORT-EX | Seligman premium technology growth fund, inc. | May 28, 2019 | Mar 31, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
May 3, 2019 | May 3, 2019 |
| 3 | Initial insider ownership | Apr 17, 2019 | Apr 16, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 16, 2019 | Apr 16, 2019 |
| N-CEN | Filing | Mar 15, 2019 | Dec 31, 2018 |
| N-CSR | Columbia seligman premium technology growth fund, inc. | Mar 6, 2019 | Dec 31, 2018 |
| DEF 14A | Proxy statement | Mar 1, 2019 | Apr 16, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 8, 2019 | Feb 8, 2019 |
| 3 | Initial insider ownership | Feb 5, 2019 | Feb 1, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 30, 2019 | Jan 30, 2019 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 28, 2019 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 13, 2018 | Dec 13, 2018 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 7, 2018 | Dec 7, 2018 |
| N-Q | Columbia seligman premium technology growth fund, inc. | Nov 28, 2018 | Sep 30, 2018 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 9, 2018 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 2, 2018 | Nov 2, 2018 |
| N-CSRS | Columbia seligman premium technology growth fund, inc. | Aug 31, 2018 | Jun 30, 2018 |
| N-PX | Filing | Aug 21, 2018 | Jun 30, 2018 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 3, 2018 | Aug 3, 2018 |
| 40-17G | Filing | Jul 18, 2018 | — |
| N-Q | Columbia seligman premium technology growth fund, inc. | May 25, 2018 | Mar 31, 2018 |
| 8-K |
Current report
Regulation FD disclosure
|
May 4, 2018 | May 4, 2018 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 16, 2018 | Apr 16, 2018 |
| DEF 14A | Proxy statement | Mar 5, 2018 | Apr 16, 2018 |
| N-CSR | Columbia seligman premium technology growth fund, inc. | Mar 2, 2018 | Dec 31, 2017 |
| NSAR-B | Columbia seligman premium technology growth fund | Feb 27, 2018 | Dec 31, 2017 |
| 3 | Initial insider ownership | Feb 26, 2018 | Feb 20, 2018 |
| 3 | Initial insider ownership | Feb 9, 2018 | Feb 2, 2018 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 9, 2018 | Feb 9, 2018 |
| 3 | Initial insider ownership | Feb 8, 2018 | Feb 2, 2018 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 2, 2018 | Feb 2, 2018 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 17, 2018 | — |
Showing 200 filings, the most recent 200. 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.
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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.