🕵️ Columbia Seligman Premium Technology Growth Fund, Inc. ($STK)
SEC insider & ownership activity, last 12 months · CIK 1471420 · every row links its SEC filing
Over the last 12 months insiders sold $4K against $4K of open-market buying. Christopher O. Petersen sold $4K in discretionary trades (Sep). No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
1 buyer, $4K (1 lots) · 1 seller, $4K (1 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Christopher O. Petersen | 0 | – | 1 | $4K | Sep 4, 2025 |
| Pamela G. Carlton | 1 | $4K | 0 | – | Dec 15, 2025 |
5%+ holders
No current 5%+ beneficial-ownership positions on file.
Planned insider sales (Form 144)
No sale notices filed in the last 12 months.
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Reg FD disclosure (7.01) | Jun 16, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 8, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 8, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Mar 19, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Feb 6, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 6, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Nov 7, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 7, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Aug 8, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 8, 2025 | filing ↗ |