Michael L. Speiser is Director at Snowflake Inc. (SNOW). They have made 40 open-market trades across 7 companies since 2008, most recently 2026-09-04.
CIK 0001433644
20 open-market purchases totalling $66.0M since 2008, against 20 sales. Across 12 scored buys the stock is down 0.8% at ninety days, and 2.0 points behind the S&P over the same stretch.
12 scored purchases · one row per filing · discretionary only
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 17% | 67% | 67% |
| Avg Move | -7.3% | +0.9% | -0.8% |
| Alpha | -3.8% | +0.1% | -2.0% |
| Scored | 12 | 12 | 12 |
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 83% | 50% | 67% |
| Avg Move | -17.9% | -1.5% | -5.6% |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| SNOW | SELL · 10b5-1 | 2026-09-04 | 2026-09-09 | $353.87 | $17.1M | +2.8% | +11.9% | — |
| SNOW | SELL · 10b5-1 | 2026-08-07 | 2026-08-11 | $324.06 | $15.6M | +0.1% | -0.9% | — |
| SNOW | SELL · 10b5-1 | 2026-07-06 | 2026-07-08 | $257.91 | $217K | +7.0% | +28.8% | +30.8% |
| SNOW | SELL · 10b5-1 | 2026-07-06 | 2026-07-08 | $257.91 | $12.2M | +7.0% | +28.8% | +30.8% |
| SNOW | SELL · 10b5-1 | 2026-06-05 | 2026-06-08 | $245.21 | $11.8M | -3.0% | +9.1% | +40.2% |
| SNOW | SELL · 10b5-1 | 2026-05-01 | 2026-05-04 | $141.60 | $6.8M | +3.4% | +65.5% | +111.0% |
| SNOW | SELL · 10b5-1 | 2026-04-06 | 2026-04-06 | $148.21 | $7.1M | -3.9% | -6.5% | +75.4% |
| SNOW | SELL | 2026-03-06 | 2026-03-09 | $175.19 | $8.4M | -3.9% | -17.8% | +31.8% |
| SNOW | SELL | 2026-02-06 | 2026-02-06 | $165.22 | $8.0M | +6.4% | +8.6% | -8.7% |
| SNOW | SELL | 2026-01-02 | 2026-01-05 | $221.16 | $10.7M | -7.9% | -26.7% | -33.8% |
| SNOW | SELL · 10b5-1 | 2025-12-05 | 2025-12-08 | $230.65 | $22.2M | -0.8% | +4.7% | -18.0% |
| SNOW | SELL · 10b5-1 | 2025-11-07 | 2025-11-10 | $257.56 | $13.2M | -8.2% | -18.7% | -33.9% |
| SNOW | SELL · 10b5-1 | 2025-10-03 | 2025-10-06 | $236.30 | $22.3M | -1.3% | +8.8% | -7.8% |
| SNOW | SELL · 10b5-1 | 2025-10-03 | 2025-10-06 | $235.34 | $535K | -1.3% | +8.8% | -7.8% |
| SNOW | SELL · 10b5-1 | 2025-09-05 | 2025-09-08 | $224.85 | $21.6M | -0.4% | +12.2% | +1.0% |
| SNOW | SELL · 10b5-1 | 2025-08-01 | 2025-08-04 | $208.69 | $20.1M | -6.4% | +10.1% | +33.1% |
| SNOW | SELL · 10b5-1 | 2025-07-07 | 2025-07-07 | $221.47 | $21.4M | -6.2% | -6.7% | +7.5% |
| SNOW | SELL · 10b5-1 | 2025-06-06 | 2025-06-09 | $211.36 | $20.4M | +0.9% | +5.6% | +7.8% |
| SNOW | SELL · 10b5-1 | 2025-05-02 | 2025-05-05 | $168.01 | $16.2M | +10.6% | +26.7% | +26.0% |
| SNOW | SELL · 10b5-1 | 2025-04-04 | 2025-04-07 | $129.25 | $12.4M | +3.9% | +23.5% | +63.6% |
| SNOW | BUY | 2024-06-07 | 2024-06-10 | $131.09 | $10.0M | -0.7% | +6.8% | -14.6% |
| SNOW | SELL | 2023-06-29 | 2023-07-03 | $177.67 | $176.9M | +3.3% | -5.9% | -13.6% |
| SNOW | SELL | 2022-03-18 | 2022-03-21 | $222.18 | $333.3M | +7.7% | -12.6% | -42.4% |
| SNOW | SELL | 2021-08-27 | 2021-08-31 | $296.45 | $317.2M | +4.6% | -0.6% | +19.9% |
| SNOW | SELL | 2021-03-09 | 2021-03-11 | $219.00 | $142.3M | -5.9% | -0.2% | +5.6% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.
| WDAY | 9,236 | $1.8M |
| CORT | 13,399 | $1.5M |
| HAIR | 18,892 | $109K |
| ELOY | 2,183,260 | — |
| Total | $418.6M |
Shares reported on the most recent Form 4, priced at the 2026-09-09 close. 1 holding could not be priced and is excluded from the total.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| Scored | 6 | 6 | 6 |