Astera Labs, Inc. Common Stock (ALAB) Insider Trading
Over the last 3 months, ALAB insiders made 0 open-market buys and 169 sales, a net sale of -$162.2M (SEC Form 4). Over the last 6 months, 564 institutions increased and 492 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
169
Net (3m)
-$162.2M
Insider trades by month Buys Sells
May
Jun
Jul
Aug
Context3-month price -15.1%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 19, 2026 | Gajendra Sanjaydirector, officer: President and COO | Sell | 6,484 | $339.74 |
| Aug 19, 2026 | Mazzara Philipofficer: General Counsel and Secretary | Sell | 540 | $334.23 |
| Aug 19, 2026 | Mohan Jitendradirector, officer: Chief Executive Officer | Sell | 5,449 | $342.95 |
| Aug 19, 2026 | Mazzara Philipofficer: General Counsel and Secretary | Sell | 136 | $335.42 |
| Aug 19, 2026 | Gajendra Sanjaydirector, officer: President and COO | Sell | 578 | $352.11 |
| Aug 19, 2026 | Gajendra Sanjaydirector, officer: President and COO | Sell | 1,984 | $349.19 |
| Aug 19, 2026 | Mohan Jitendradirector, officer: Chief Executive Officer | Sell | 1,782 | $335.41 |
| Aug 19, 2026 | Mohan Jitendradirector, officer: Chief Executive Officer | Sell | 17,373 | $344.99 |
| Aug 19, 2026 | Gajendra Sanjaydirector, officer: President and COO | Sell | 7,992 | $338.58 |
| Aug 19, 2026 | Gajendra Sanjaydirector, officer: President and COO | Sell | 17,373 | $344.99 |
| Aug 19, 2026 | Gajendra Sanjaydirector, officer: President and COO | Sell | 3,713 | $343.94 |
| Aug 19, 2026 | Mazzara Philipofficer: General Counsel and Secretary | Sell | 199 | $346.13 |
| Aug 19, 2026 | Gajendra Sanjaydirector, officer: President and COO | Sell | 1,049 | $351.24 |
| Aug 19, 2026 | Mazzara Philipofficer: General Counsel and Secretary | Sell | 610 | $338.58 |
| Aug 19, 2026 | Gajendra Sanjaydirector, officer: President and COO | Sell | 5,449 | $342.95 |
| Aug 19, 2026 | Mazzara Philipofficer: General Counsel and Secretary | Sell | 156 | $349.19 |
| Aug 19, 2026 | Mohan Jitendradirector, officer: Chief Executive Officer | Sell | 6,484 | $339.74 |
| Aug 19, 2026 | Mohan Jitendradirector, officer: Chief Executive Officer | Sell | 2,616 | $340.58 |
| Aug 19, 2026 | Gajendra Sanjaydirector, officer: President and COO | Sell | 2,946 | $336.65 |
| Aug 19, 2026 | Gajendra Sanjaydirector, officer: President and COO | Sell | 1,610 | $341.71 |
| Aug 19, 2026 | Gajendra Sanjaydirector, officer: President and COO | Sell | 6,926 | $334.23 |
| Aug 19, 2026 | Mazzara Philipofficer: General Counsel and Secretary | Sell | 44 | $352.10 |
| Aug 19, 2026 | Gajendra Sanjaydirector, officer: President and COO | Sell | 1,057 | $348.05 |
| Aug 19, 2026 | Mazzara Philipofficer: General Counsel and Secretary | Sell | 205 | $340.58 |
| Aug 19, 2026 | Gajendra Sanjaydirector, officer: President and COO | Sell | 3,500 | $347.01 |
| Aug 19, 2026 | Mohan Jitendradirector, officer: Chief Executive Officer | Sell | 12,608 | $333.60 |
| Aug 19, 2026 | Mohan Jitendradirector, officer: Chief Executive Officer | Sell | 2,946 | $336.65 |
| Aug 19, 2026 | Mazzara Philipofficer: General Counsel and Secretary | Sell | 814 | $333.64 |
| Aug 19, 2026 | Mazzara Philipofficer: General Counsel and Secretary | Sell | 227 | $336.65 |
| Aug 19, 2026 | Mohan Jitendradirector, officer: Chief Executive Officer | Sell | 2,525 | $346.13 |
Source: ALAB SEC Form 4 filings, latest Aug 19, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their ALAB positions over the last 6 months (SEC Form 13F).
Increased
564
New positions
519
Reduced
492
Sold out
81
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| FMR LLC | Increased | 25.5M | May 15, 2026 |
| FMR LLC | Reduced | 24.8M | Aug 13, 2026 |
| BlackRock, Inc. | Increased | 13.7M | Aug 7, 2026 |
| BLACKROCK, INC. | Reduced | 11.4M | May 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 7.9M | Aug 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 7.3M | May 8, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 7.1M | Aug 14, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 6.8M | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 6.7M | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 6.3M | May 15, 2026 |
| Invesco Ltd. | Increased | 4.9M | Aug 14, 2026 |
| JANE STREET GROUP, LLC | Increased | 4.4M | Aug 14, 2026 |
| CITADEL ADVISORS LLC | Increased | 3.9M | Aug 14, 2026 |
| JANE STREET GROUP, LLC | Increased | 3.7M | May 12, 2026 |
| STATE STREET CORP | Increased | 3.7M | Aug 7, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.