Updated Jul 16, 2026
Ngai Anthony K.K. has filed 4 SEC Form 4 filings across 1 company in the last 90 days — buying. Lifetime open-market purchases: $81K. Historical track record: 5/5 stars across 6 tracked purchases.
InsiderAlpha computes a forward-return-based score for every insider with enough Form 4 purchase history. The metrics below reflect realised performance after each tracked open-market purchase.
| InsiderAlpha rating | ★★★★★ (5/5) |
|---|---|
| Total purchases tracked | 6 |
| Purchases with forward-return data | 6 |
| 30-day win rate | 10000% |
| 90-day win rate | 0% |
| Avg 5-day return | +173.45% |
| Avg 30-day return | +1530.02% |
| Avg 90-day return | -2263.50% |
| Best 30-day return | +1747.57% |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-18 | SVCO | Silvaco Group, Inc. | P — Open-market purchase | 500 | $12.50 | $6K |
| 2026-06-08 | SVCO | Silvaco Group, Inc. | P — Open-market purchase | 1.0K | $13.07 | $13K |
| 2026-05-13 | SVCO | Silvaco Group, Inc. | A — Grant or award | 1.4K | $0.00 | |
| 2026-04-27 | SVCO | Silvaco Group, Inc. | A — Grant or award | 17.6K | $0.00 | |
| 2026-03-19 | SVCO | Silvaco Group, Inc. | A — Grant or award | 3.3K | $0.00 | |
| 2025-09-08 | SVCO | Silvaco Group, Inc. | P — Open-market purchase | 2.0K | $5.16 | $10K |
| 2025-09-08 | SVCO | Silvaco Group, Inc. | P — Open-market purchase | 200 | $5.17 | $1K |
| 2025-09-08 | SVCO | Silvaco Group, Inc. | P — Open-market purchase | 500 | $5.28 | $3K |
| 2025-09-08 | SVCO | Silvaco Group, Inc. | P — Open-market purchase | 2.0K | $5.34 | $11K |
| 2025-09-08 | SVCO | Silvaco Group, Inc. | P — Open-market purchase | 2.0K | $5.32 | $11K |
| 2025-09-08 | SVCO | Silvaco Group, Inc. | P — Open-market purchase | 5.0K | $5.30 | $26K |
Ngai Anthony K.K. is a corporate insider — currently tracked as Director of Silvaco Group, Inc. (SVCO). InsiderAlpha tracks every SEC Form 4 filing in real time.
4 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 8 open-market purchases ($81K) and 0 open-market sales () across all tracked filings.
Across 6 tracked purchases, Ngai Anthony K.K. averaged +1530.0% avg 30-day return with a 10000% 30-day win rate. InsiderAlpha rates the track record at 5/5 stars.
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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