Summary
Updated Aug 31, 2026
Tony Kim files SEC Form 4 reports at BlackRock Science & Technology Trust (BST). 6 SEC Form 4 filings on record, most recently on 9 February 2026. Most recent open-market trade: bought $873K of BST on 9 February 2026. Lifetime open-market purchases: $2.49M. Historical track record: 2/5 stars across 5 tracked purchases.
Recent Transactions
9Every recent SEC Form 4 transaction Tony Kim has reported, most recent first.
Track Record
InsiderAlpha computes a forward-return-based score for every insider with enough Form 4 purchase history. The metrics below reflect realized performance after each tracked open-market purchase.
| Metric | Value |
|---|---|
| InsiderAlpha rating | ★★☆☆☆ (2/5) |
| Total purchases tracked | 5 |
| Purchases with forward-return data | 5 |
| 30-day win rate | 40% |
| 90-day win rate | 100% |
| Avg 5-day return | +4.66% |
| Avg 30-day return | -1.68% |
| Avg 90-day return | +17.68% |
| Best 30-day return | +0.96% |
Trading Pattern
InsiderAlpha's records for Tony Kim go back to 2026: 6 primary Form 4 filings, an average of 6.0 per year. The typical open-market purchase is $498K (5 buys totaling $2.49M). The largest single buy on record is $914K of BSTZ in 2026. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Tony Kim files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Robert W. Fairbairn - $209K of BSTZ open-market activity in the last 12 months
- Stephen Thomas Minar - $20K of BSTZ open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Tony Kim?
Tony Kim is a corporate insider of BlackRock Science & Technology Trust (BST). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Tony Kim last file a Form 4?
The most recent primary Form 4 on record is dated 9 February 2026, one of 6 filings going back to 2026.
Has Tony Kim been buying or selling stock?
Recorded transactions: 5 open-market purchases ($2.49M) and 0 open-market sales across all tracked filings.
How accurate is Tony Kim's historical track record?
Across 5 tracked purchases, Tony Kim averaged -1.7% avg 30-day return with a 40% 30-day win rate. InsiderAlpha rates the track record at 2/5 stars.
Where can I see all of Tony Kim's SEC 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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