Stefan A Dyckerhoff insider trades: Astera Labs (ALAB) stock buys and sales
Trades on the price chart
Daily close, with an arrow on each day they bought or sold
Companies
Where Stefan reports to the SEC
and 4 more companies
Open-market buys and sales
47 trades reported on SEC Form 4, newest first
| Date | Stock | Type | Shares | Price | Value | Holding | Reported |
|---|---|---|---|---|---|---|---|
| Oct 7, 2026 | ALAB | ↓ Sell | 8,333 | $376.06 | $3.1M | By Trust | Oct 9, 2026 (2d) |
| Oct 7, 2026 | ALAB | ↓ Sell | 3,505 | $376.06 | $1.3M | Direct | Oct 9, 2026 (2d) |
| Oct 7, 2026 | ALAB | ↓ Sell | 661 | $376.06 | $249K | By Limited Partnership (TF) | Oct 9, 2026 (2d) |
| Sep 2, 2026 | ALAB | ↓ Sell | 8,333 | $274.96 | $2.3M | By Trust | Sep 3, 2026 (1d) |
| Sep 2, 2026 | ALAB | ↓ Sell | 3,505 | $274.96 | $964K | Direct | Sep 3, 2026 (1d) |
| Sep 2, 2026 | ALAB | ↓ Sell | 661 | $274.96 | $182K | By Limited Partnership (TF) | Sep 3, 2026 (1d) |
| Aug 6, 2026 | ALAB | ↓ Sell | 8,333 | $311.83 | $2.6M | By Trust | Aug 10, 2026 (4d) |
| Aug 6, 2026 | ALAB | ↓ Sell | 3,505 | $311.83 | $1.1M | Direct | Aug 10, 2026 (4d) |
| Aug 6, 2026 | ALAB | ↓ Sell | 661 | $311.83 | $206K | By Limited Partnership (TF) | Aug 10, 2026 (4d) |
| Jul 1, 2026 | ALAB | ↓ Sell | 8,333 | $450.00 | $3.7M | By Trust | Jul 2, 2026 (1d) |
| Jul 1, 2026 | ALAB | ↓ Sell | 3,505 | $450.00 | $1.6M | Direct | Jul 2, 2026 (1d) |
| Jul 1, 2026 | ALAB | ↓ Sell | 661 | $450.00 | $297K | By Limited Partnership (TF) | Jul 2, 2026 (1d) |
| May 7, 2026 | ALAB | ↓ Sell | 8,333 | $200.03 | $1.7M | By Trust | May 11, 2026 (4d) |
| May 7, 2026 | ALAB | ↓ Sell | 3,505 | $200.03 | $701K | Direct | May 11, 2026 (4d) |
| May 7, 2026 | ALAB | ↓ Sell | 661 | $200.03 | $132K | By Limited Partnership (TF) | May 11, 2026 (4d) |
| Aug 8, 2025 | ALAB | ↓ Sell | 50,000 | $174.34 | $8.7M | Direct | Aug 11, 2025 (3d) |
| Aug 8, 2025 | ALAB | ↓ Sell | 2,000 | $174.34 | $349K | By Limited Partnership (TF) | Aug 11, 2025 (3d) |
| Nov 26, 2024 | ALAB | ↓ Sell | 32,815 | $106.20 | $3.5M | By Trust | Nov 26, 2024 (0d) |
| Nov 26, 2024 | ALAB | ↓ Sell | 7,814 | $107.17 | $837K | Direct | Nov 26, 2024 (0d) |
| Nov 22, 2024 | ALAB | ↓ Sell | 1,000 | $105.90 | $106K | By DIFT-BAD | Nov 26, 2024 (4d) |
| Nov 22, 2024 | ALAB | ↓ Sell | 1,000 | $105.90 | $106K | By DIFT-AMD | Nov 26, 2024 (4d) |
| Nov 22, 2024 | ALAB | ↓ Sell | 1,000 | $105.90 | $106K | By DIFT-IND | Nov 26, 2024 (4d) |
| Nov 22, 2024 | ALAB | ↓ Sell | 1,000 | $105.90 | $106K | By DIFT-2 | Nov 26, 2024 (4d) |
| Nov 22, 2024 | ALAB | ↓ Sell | 1,000 | $105.90 | $106K | By DIFT-SHD | Nov 26, 2024 (4d) |
| Nov 19, 2024 | ALAB | ↓ Sell | 203,445 | $90.65 | $18.4M | By SHM Investments, LLC | Nov 20, 2024 (1d) |
| Nov 11, 2024 | ALAB | ↓ Sell | 50,000 | $92.03 | $4.6M | By Trust | Nov 13, 2024 (2d) |
| Nov 6, 2024 | ALAB | ↓ Sell | 50,000 | $89.70 | $4.5M | Direct | Nov 8, 2024 (2d) |
| Nov 6, 2024 | ALAB | ↓ Sell | 6,567 | $90.00 | $591K | By SHM Investments, LLC | Nov 8, 2024 (2d) |
| Jul 2, 2018 | FTSV | ↑ Buy | 134,735 | $16.00 | $2.2M | By Ltd Partnership (SHV) | Jul 3, 2018 (1d) |
| Jul 2, 2018 | FTSV | ↑ Buy | 1,915 | $16.00 | $31K | By Trust | Jul 3, 2018 (1d) |
| Jan 11, 2018 | PSTG | ↓ Sell | 25,520 | $16.76 | $428K | By Trust (Trustees) | Jan 12, 2018 (1d) |
| Dec 7, 2017 | PSTG | ↓ Sell | 25,407 | $17.05 | $433K | By Trust (Trustees) | Dec 11, 2017 (4d) |
| Jun 1, 2017 | MATR | ↑ Buy | 203,543 | $3.65 | $743K | By Ltd Partnership (SHV) | Jun 2, 2017 (1d) |
| Jun 1, 2017 | MATR | ↑ Buy | 902 | $3.65 | $3K | By Trust (Trustees) | Jun 2, 2017 (1d) |
| Nov 9, 2015 | MATR | ↓ Sell | 1,000,000 | $7.29 | $7.3M | By Ltd Partnership (SHV) | Nov 12, 2015 (3d) |
| Oct 1, 2014 | THLD | ↓ Sell | 226,657 | $3.77 | $855K | By Ltd Partnership (SHV) | Oct 3, 2014 (2d) |
| Jun 20, 2014 | THLD | ↓ Sell | 10,028 | $4.01 | $40K | By Ltd Partnership (SHQP) | Jun 23, 2014 (3d) |
| Jun 20, 2014 | THLD | ↓ Sell | 3,960 | $4.01 | $16K | By Ltd Partnership (SHAI) | Jun 23, 2014 (3d) |
| Jun 12, 2014 | MATR | ↓ Sell | 14,847 | $5.12 | $76K | By Ltd Partnership (SHQP) | Jun 16, 2014 (4d) |
| Jun 12, 2014 | MATR | ↓ Sell | 5,853 | $5.12 | $30K | By Ltd Partnership (SHAI) | Jun 16, 2014 (4d) |
| Dec 3, 2013 | MATR | ↑ Buy | 225,846 | $3.90 | $881K | By Ltd Partnership (SHV) | Dec 5, 2013 (2d) |
| Dec 3, 2013 | MATR | ↑ Buy | 3,818 | $3.90 | $15K | By Trust (Trustees) | Dec 5, 2013 (2d) |
| May 31, 2013 | THLD | ↓ Sell | 260,592 | $5.72 | $1.5M | By Ltd Partnership (SHV) | Jun 4, 2013 (4d) |
| Mar 20, 2013 | CRDC | ↑ Buy | 981,736 | $1.05 | $1.0M | By Ltd Partnership (SHV) | Mar 22, 2013 (2d) |
| Mar 20, 2013 | CRDC | ↑ Buy | 981,736 | $1.05 | $1.0M | Direct | Mar 22, 2013 (2d) |
| Mar 20, 2013 | CRDC | ↑ Buy | 18,433 | $1.05 | $19K | By Trust (Trustees) | Mar 22, 2013 (2d) |
| Feb 25, 2011 | JNPR | ↓ Sell10b5-1 | 7,500 | $43.57 | $327K | Direct | Mar 1, 2011 (4d) |
Each row is one filing's trades in one stock, summed. Shares and prices are as filed, before any later stock split.
Other ALAB insiders
Open-market trades in the last 12 months
About Stefan A Dyckerhoff's insider trades
Stefan A Dyckerhoff is an insider at Astera Labs (ALAB). Since Feb 25, 2011, Stefan has reported 9 open-market purchases worth $5.9M and 38 sales worth $73.2M on SEC Form 4. In the last 12 months: 15 sales ($20.2M).
1 sale (0% of the value sold) was made under a Rule 10b5-1 trading plan, which is set up months in advance and runs on a schedule, so it says little about how the insider sees the stock today.
Their filings also include conversions (9 filings), other transactions (8 filings), grants and awards (6 filings), option exercises (3 filings). These aren't open-market trades and aren't counted above.
How to read insider trades
Officers, directors and owners of more than 10% of a company must report trades in its stock on SEC Form 4, usually within two business days. Purchases with their own money are the stronger signal: insiders sell for many reasons (taxes, diversification, a house), but buy for one. See every ALAB insider trade, the latest insider trades across the market, or cluster buys, when several insiders buy the same stock within days.