Vikas Sinha is CFO & VP at ALEXION PHARMACEUTICALS INC (ALXN). They have made 76 open-market trades across 4 companies since 2007, most recently 2026-04-16.
CIK 0001337845
Unrated. We grade insiders only on stock they chose to buy on the open market. Grants, option exercises and vesting say nothing about timing, so they don't count — which is why someone can file often and still have no grade. It isn't a bad sign: unrated buys beat every graded tier below A.
0 open-market purchases, against 76 sales. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| ALXN | 178,463 | $32.6M |
| SRRK | 619,856 | $24.7M |
| VRNA | 72,000 | $7.7M |
| ALVR | 49,129 | $482K |
| Total | $65.5M |
Shares reported on the most recent Form 4, priced at the 2026-04-20 close.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 36% | 37% | 72% |
| Avg Move | +0.1% | -2.2% | -20.1% |
| Scored | 28 | 27 | 25 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| SRRK | SELL | 2026-04-16 | 2026-04-20 | $49.57 | $516K | -2.8% | +0.8% | +5.5% |
| SRRK | SELL | 2026-01-13 | 2026-01-15 | $42.70 | $715K | -6.5% | +0.7% | +7.0% |
| VRNA | SELL | 2025-08-01 | 2025-08-05 | $13.14 | $114K | +0.0% | +0.9% | N/A |
| VRNA | SELL · 10b5-1 | 2025-05-20 | 2025-05-22 | $9.39 | $1.5M | +16.7% | +34.8% | +47.0% |
| VRNA | SELL · 10b5-1 | 2025-04-29 | 2025-05-01 | $8.92 | $178K | -7.1% | +15.6% | +44.5% |
| VRNA | SELL · 10b5-1 | 2025-04-29 | 2025-05-22 | $8.92 | $2.9M | +16.7% | +34.8% | +47.0% |
| ALVR | SELL | 2025-02-21 | 2025-02-24 | $10.08 | $3K | -7.7% | N/A | N/A |
| ALVR | SELL | 2025-01-23 | 2025-01-27 | $9.50 | $1K | +0.0% | -2.3% | N/A |
| ALVR | SELL | 2025-01-10 | 2025-01-13 | $0.44 | $431 | +4.2% | +0.5% | N/A |
| ALVR | SELL | 2024-11-19 | 2024-11-20 | $0.55 | $2K | -13.9% | -29.1% | -27.0% |
| ALVR | SELL | 2024-11-05 | 2024-11-06 | $0.86 | $4K | -43.8% | -51.2% | -57.5% |
| ALVR | SELL | 2024-10-21 | 2024-10-23 | $0.77 | $3K | +13.7% | -29.5% | -47.7% |
| ALVR | SELL | 2024-10-03 | 2024-10-04 | $0.81 | $761 | +1.9% | +12.9% | -42.7% |
| ALVR | SELL | 2024-08-19 | 2024-08-20 | $0.76 | $2K | +2.0% | +3.4% | -24.2% |
| ALVR | SELL | 2024-08-05 | 2024-08-07 | $0.73 | $4K | +6.6% | +6.2% | +37.5% |
| ALVR | SELL | 2024-07-19 | 2024-07-23 | $0.74 | $3K | +1.4% | +0.7% | +2.1% |
| ALVR | SELL | 2024-07-02 | 2024-07-03 | $0.72 | $676 | +9.9% | +3.3% | +9.4% |
| ALVR | SELL | 2024-05-17 | 2024-05-21 | $0.75 | $2K | -6.3% | -7.1% | -3.6% |
| ALVR | SELL | 2024-05-03 | 2024-05-07 | $0.80 | $4K | -2.6% | -3.0% | -8.1% |
| ALVR | SELL | 2024-04-19 | 2024-04-23 | $0.75 | $3K | +3.0% | -3.6% | -2.1% |
| ALVR | SELL | 2024-04-02 | 2024-04-04 | $0.77 | $681 | -3.6% | +5.8% | -3.5% |
| ALVR | SELL | 2024-02-20 | 2024-02-22 | $0.70 | $2K | +3.5% | +8.0% | +10.6% |
| ALVR | SELL | 2024-02-05 | 2024-02-06 | $0.67 | $12K | +1.4% | +6.8% | +16.9% |
| ALVR | SELL | 2024-01-23 | 2024-01-25 | $0.67 | $2K | +0.0% | +4.3% | +13.0% |
| ALVR | SELL | 2024-01-04 | 2024-01-08 | $0.64 | $615 | +2.1% | +0.9% | +10.6% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.