Updated Jul 16, 2026
GILEAD SCIENCES, INC. has filed 1 SEC Form 4 filing across 1 company in the last 90 days — buying. Lifetime open-market purchases: $30.26M. Historical track record: 3/5 stars across 4 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 | ★★★☆☆ (3/5) |
|---|---|
| Total purchases tracked | 4 |
| Purchases with forward-return data | 4 |
| 30-day win rate | 5000% |
| 90-day win rate | 2500% |
| Avg 5-day return | +1192.22% |
| Avg 30-day return | +1196.98% |
| Avg 90-day return | -1100.80% |
| Best 30-day return | +3156.38% |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-28 | ASMB | ASSEMBLY BIOSCIENCES, INC. | A — Grant or award | 471.7K | $26.50 | $12.50M |
| 2025-08-08 | ASMB | ASSEMBLY BIOSCIENCES, INC. | P — Open-market purchase | 2.30M | — | |
| 2024-12-23 | ASMB | ASSEMBLY BIOSCIENCES, INC. | P — Open-market purchase | 940.5K | $21.37 | $20.10M |
| 2024-12-19 | XLO | Xilio Therapeutics, Inc. | P — Open-market purchase | 1.76M | $1.04 | $1.83M |
GILEAD SCIENCES, INC. is a corporate insider — currently tracked as 10% Owner of ASSEMBLY BIOSCIENCES, INC. (ASMB). InsiderAlpha tracks every SEC Form 4 filing in real time.
1 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 7 open-market purchases ($30.26M) and 0 open-market sales () across all tracked filings.
Across 4 tracked purchases, GILEAD SCIENCES, INC. averaged +1197.0% avg 30-day return with a 5000% 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.
Open the live GILEAD SCIENCES, INC. profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.