Stefan A. Dyckerhoff is Director at Astera Labs, Inc. (ALAB). They have made 17 open-market trades across 6 companies since 2011, most recently 2026-09-02.
CIK 0001484394
5 open-market purchases totalling $51.0M since 2013, against 12 sales. Across 5 scored buys the stock is up 0.3% at ninety days, and 1.7 points behind the S&P over the same stretch.
5 scored purchases · one row per filing · discretionary only
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 20% | 40% | 60% |
| Avg Move | -0.9% | +0.3% | +0.3% |
| Alpha | +0.8% | -0.3% | -1.7% |
| Scored | 5 | 5 | 5 |
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 86% | 57% | 57% |
| Avg Move | -14.3% | +1.2% | -0.6% |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| ALAB | SELL · 10b5-1 | 2026-09-02 | 2026-09-03 | $274.96 | $3.4M | -6.2% | +26.4% | — |
| ALAB | SELL · 10b5-1 | 2026-08-06 | 2026-08-10 | $311.83 | $3.9M | -10.1% | -7.0% | — |
| ALAB | SELL · 10b5-1 | 2026-07-01 | 2026-07-02 | $450.00 | $5.6M | -15.4% | -22.5% | -14.1% |
| ALAB | SELL · 10b5-1 | 2026-06-03 | 2026-06-05 | $364.35 | $4.6M | +12.8% | +30.2% | -14.9% |
| ALAB | SELL · 10b5-1 | 2026-05-07 | 2026-05-11 | $200.03 | $2.5M | +47.0% | +63.3% | +56.8% |
| ALAB | SELL · 10b5-1 | 2026-04-17 | 2026-04-21 | $175.06 | $4.4M | +2.0% | +49.5% | +55.2% |
| ALAB | SELL | 2025-08-07 | 2025-08-11 | $174.04 | $13.6M | -1.9% | +27.3% | -4.0% |
| ALAB | SELL | 2024-11-22 | 2024-11-26 | $106.38 | $8.8M | +15.4% | +37.9% | -20.0% |
| ALAB | SELL | 2024-11-18 | 2024-11-20 | $90.65 | $36.9M | +13.8% | +29.1% | -8.9% |
| ALAB | SELL | 2024-11-11 | 2024-11-13 | $92.00 | $9.2M | +19.3% | +46.9% | +2.3% |
| ALAB | SELL | 2024-11-06 | 2024-11-08 | $89.55 | $5.9M | -2.6% | +22.0% | +4.5% |
| FTSV | BUY | 2018-07-02 | 2018-07-03 | $16.00 | $2.2M | -2.8% | -0.3% | -4.7% |
| PSTG | SELL | 2018-01-11 | 2018-01-12 | $16.76 | $855K | +18.5% | +20.7% | +16.5% |
| PSTG | SELL | 2017-12-07 | 2017-12-11 | $17.05 | $866K | -0.8% | -1.9% | +24.1% |
| MATR | BUY | 2017-06-01 | 2017-06-02 | $3.65 | $1.5M | -3.8% | +0.0% | -11.3% |
| PSTG | BUY | 2017-06-01 | 2017-06-02 | $11.08 | $45.4M | -3.9% | -3.3% | +12.9% |
| MATR | SELL | 2015-11-09 | 2015-11-12 | $7.29 | $7.3M | -20.8% | +0.8% | -33.4% |
| THLD | SELL | 2014-10-01 | 2014-10-03 | $3.77 | $854K | -25.5% | -4.0% | -4.0% |
| THLD | SELL | 2014-06-20 | 2014-06-23 | $4.01 | $56K | -25.5% | -4.0% | -4.0% |
| MATR | SELL | 2014-06-12 | 2014-06-16 | $5.12 | $106K | -20.8% | +0.8% | +0.8% |
| MATR | BUY | 2013-12-03 | 2013-12-05 | $3.90 | $896K | -20.8% | +0.8% | +0.8% |
| THLD | SELL | 2013-05-31 | 2013-06-04 | $5.72 | $1.5M | -25.5% | -4.0% | -4.0% |
| CRDC | BUY | 2013-03-20 | 2013-03-22 | $1.05 | $1.1M | +26.6% | +4.1% | +4.1% |
| JNPR | SELL · 10b5-1 | 2011-02-25 | 2011-03-01 | $43.57 | $327K | -5.6% | +0.8% | +0.8% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.
| HAIR |
| 18,686 |
| $108K |
| MATR | 22,053 | $59K |
| Total | $44.9M |
Shares reported on the most recent Form 4, priced at the 2026-09-03 close.
| Scored | 7 | 7 | 7 |