Astera Labs, Inc. Common Stock (ALAB) Insider Trading
Over the last 3 months, ALAB insiders made 0 open-market buys and 182 sales, a net sale of -$457.8M (SEC Form 4). Over the last 6 months, 619 institutions increased and 414 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
182
Net (3m)
-$457.8M
Insider trades by month Buys Sells
Feb
Mar
Apr
May
Context3-month price +198.4%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| May 26, 2026 | Gajendra Sanjaydirector, officer: President and COO | Sell | 137,294 | $290.21 |
| May 26, 2026 | Gajendra Sanjaydirector, officer: President and COO | Sell | 136,709 | $289.13 |
| May 26, 2026 | Gajendra Sanjaydirector, officer: President and COO | Sell | 47,710 | $292.14 |
| May 26, 2026 | Gajendra Sanjaydirector, officer: President and COO | Sell | 73,300 | $291.28 |
| May 26, 2026 | Mazzara Philipofficer: General Counsel and Secretary | Sell | 796 | $291.03 |
| May 26, 2026 | Gajendra Sanjaydirector, officer: President and COO | Sell | 4,987 | $293.03 |
| May 21, 2026 | Gajendra Sanjaydirector, officer: President and COO | Sell | 102,839 | $248.91 |
| May 21, 2026 | Gajendra Sanjaydirector, officer: President and COO | Sell | 40,000 | $248.62 |
| May 21, 2026 | Gajendra Sanjaydirector, officer: President and COO | Sell | 76,702 | $249.79 |
| May 21, 2026 | Gajendra Sanjaydirector, officer: President and COO | Sell | 2,612 | $251.54 |
| May 21, 2026 | Gajendra Sanjaydirector, officer: President and COO | Sell | 17,847 | $250.75 |
| May 20, 2026 | Mazzara Philipofficer: General Counsel and Secretary | Sell | 170 | $221.01 |
| May 20, 2026 | Mohan Jitendradirector, officer: Chief Executive Officer | Sell | 6,924 | $220.62 |
| May 20, 2026 | Mohan Jitendradirector, officer: Chief Executive Officer | Sell | 9,409 | $218.50 |
| May 20, 2026 | Mohan Jitendradirector, officer: Chief Executive Officer | Sell | 1,629 | $225.27 |
| May 20, 2026 | Mohan Jitendradirector, officer: Chief Executive Officer | Sell | 1,946 | $232.81 |
| May 20, 2026 | Mazzara Philipofficer: General Counsel and Secretary | Sell | 35 | $225.01 |
| May 20, 2026 | Mazzara Philipofficer: General Counsel and Secretary | Sell | 387 | $231.31 |
| May 20, 2026 | Mohan Jitendradirector, officer: Chief Executive Officer | Sell | 1,158 | $222.08 |
| May 20, 2026 | Mohan Jitendradirector, officer: Chief Executive Officer | Sell | 10,324 | $216.52 |
| May 20, 2026 | Mazzara Philipofficer: General Counsel and Secretary | Sell | 356 | $218.87 |
| May 20, 2026 | Mohan Jitendradirector, officer: Chief Executive Officer | Sell | 2,734 | $223.96 |
| May 20, 2026 | Mohan Jitendradirector, officer: Chief Executive Officer | Sell | 2,282 | $233.18 |
| May 20, 2026 | Mohan Jitendradirector, officer: Chief Executive Officer | Sell | 19,404 | $235.41 |
| May 20, 2026 | Mazzara Philipofficer: General Counsel and Secretary | Sell | 245 | $223.75 |
| May 20, 2026 | Mohan Jitendradirector, officer: Chief Executive Officer | Sell | 1,848 | $230.47 |
| May 20, 2026 | Mohan Jitendradirector, officer: Chief Executive Officer | Sell | 6,196 | $226.64 |
| May 20, 2026 | Mohan Jitendradirector, officer: Chief Executive Officer | Sell | 423 | $224.07 |
| May 20, 2026 | Mohan Jitendradirector, officer: Chief Executive Officer | Sell | 21,739 | $215.62 |
| May 20, 2026 | Mazzara Philipofficer: General Counsel and Secretary | Sell | 275 | $226.71 |
Source: ALAB SEC Form 4 filings, latest May 26, 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
619
New positions
271
Reduced
414
Sold out
246
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| FMR LLC | Increased | 25.5M | May 15, 2026 |
| FMR LLC | Increased | 25.3M | Feb 17, 2026 |
| VANGUARD GROUP INC | Increased | 13.8M | Jan 29, 2026 |
| BLACKROCK, INC. | Increased | 13.0M | Feb 12, 2026 |
| BLACKROCK, INC. | Reduced | 11.4M | May 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 7.3M | May 8, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 6.3M | May 15, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 3.8M | May 15, 2026 |
| ATREIDES MANAGEMENT, LP | Increased | 3.4M | May 18, 2026 |
| STATE STREET CORP | Increased | 3.3M | May 15, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 3.2M | Feb 17, 2026 |
| STATE STREET CORP | Increased | 3.1M | Feb 13, 2026 |
| JANE STREET GROUP, LLC | Increased | 2.6M | May 12, 2026 |
| FRED ALGER MANAGEMENT, LLC | Increased | 2.6M | May 15, 2026 |
| ALLIANCEBERNSTEIN L.P. | Increased | 2.5M | May 15, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.