Updated Jul 16, 2026
Smith Stan has filed 2 SEC Form 4 filings across 1 company in the last 90 days — buying. Lifetime open-market purchases: $889K. Historical track record: 3/5 stars across 9 tracked purchases.
Stanley Roger Smith is an American former professional tennis player. A world No. 1 player and two-time major singles champion, Smith also paired with Bob Lutz to create one of the most successful doubles teams of all-time.
| Role | Director |
|---|---|
| Notability | 60/100 |
| Links | Wikipedia |
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 | ★★★☆☆ (3/5) |
|---|---|
| Total purchases tracked | 9 |
| Purchases with forward-return data | 9 |
| 30-day win rate | 4444% |
| 90-day win rate | 2222% |
| Avg 5-day return | +525.08% |
| Avg 30-day return | +808.09% |
| Avg 90-day return | -1453.92% |
| Best 30-day return | +7593.98% |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-02 | MAIA | MAIA Biotechnology, Inc. | P — Open-market purchase | 75.0K | $1.34 | $100K |
| 2026-01-12 | MAIA | MAIA Biotechnology, Inc. | G — Bona-fide gift | 20.0K | $0.00 | |
| 2026-01-12 | MAIA | MAIA Biotechnology, Inc. | P — Open-market purchase | 2.7K | $3.69 | $10K |
| 2025-12-23 | MAIA | MAIA Biotechnology, Inc. | P — Open-market purchase | 57.2K | $1.22 | $70K |
| 2025-10-01 | MAIA | MAIA Biotechnology, Inc. | P — Open-market purchase | 19.2K | $1.30 | $25K |
| 2024-12-13 | MAIA | MAIA Biotechnology, Inc. | P — Open-market purchase | 25.0K | $1.87 | $47K |
| 2024-11-04 | MAIA | MAIA Biotechnology, Inc. | P — Open-market purchase | 100.0K | $2.51 | $251K |
Stanley Roger Smith is an American former professional tennis player. A world No. 1 player and two-time major singles champion, Smith also paired with Bob Lutz to create one of the most successful doubles teams of all-time.…
2 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 10 open-market purchases ($889K) and 0 open-market sales () across all tracked filings.
Across 9 tracked purchases, Smith Stan averaged +808.1% avg 30-day return with a 4444% 30-day win rate. InsiderAlpha rates the track record at 3/5 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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