Updated Jul 16, 2026
Petersen Christopher O. is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days. Lifetime open-market sales: $10K.

| Role | Insider |
|---|---|
| Notability | 20/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2025-09-04 | TY | TRI-CONTINENTAL Corp | S — Open-market sale | 151 | $33.56 | $5K |
| 2025-09-04 | STK | Columbia Seligman Premium Technology Growth Fund, Inc. | S — Open-market sale | 139 | $31.91 | $4K |
Petersen Christopher O. is a corporate insider — currently tracked as Insider. InsiderAlpha tracks every SEC Form 4 filing in real time.
Recorded transactions: 0 open-market purchases () and 2 open-market sales ($10K) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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