Astera Labs, Inc. Common Stock (ALAB) Insider Trading
Over the last 3 months, ALAB insiders made 0 open-market buys and 192 sales, a net sale of -$432.0M (SEC Form 4). Over the last 6 months, 587 institutions increased and 422 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
192
Net (3m)
-$432.0M
Insider trades by month Buys Sells
Apr
May
Jun
Context3-month price +340.7%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 26, 2026 | Mayer Bethanydirector | Sell | 54 | $393.86 |
| Jun 26, 2026 | Mayer Bethanydirector | Sell | 193 | $392.67 |
| Jun 26, 2026 | Mayer Bethanydirector | Sell | 99 | $391.27 |
| Jun 26, 2026 | Mayer Bethanydirector | Sell | 146 | $396.49 |
| Jun 26, 2026 | Mayer Bethanydirector | Sell | 165 | $398.32 |
| Jun 26, 2026 | Mayer Bethanydirector | Sell | 29 | $399.96 |
| Jun 8, 2026 | LAZAR JACK Rdirector | Sell | 423 | $349.96 |
| Jun 8, 2026 | LAZAR JACK Rdirector | Sell | 879 | $362.84 |
| Jun 8, 2026 | LAZAR JACK Rdirector | Sell | 877 | $359.33 |
| Jun 8, 2026 | LAZAR JACK Rdirector | Sell | 883 | $358.14 |
| Jun 8, 2026 | LAZAR JACK Rdirector | Sell | 318 | $351.72 |
| Jun 8, 2026 | LAZAR JACK Rdirector | Sell | 854 | $361.11 |
| Jun 8, 2026 | LAZAR JACK Rdirector | Sell | 17 | $351.13 |
| Jun 8, 2026 | LAZAR JACK Rdirector | Sell | 566 | $356.94 |
| Jun 8, 2026 | LAZAR JACK Rdirector | Sell | 200 | $339.56 |
| Jun 8, 2026 | LAZAR JACK Rdirector | Sell | 243 | $344.03 |
| Jun 8, 2026 | BARRATT CRAIG Hdirector | Grant | 837 | — |
| Jun 8, 2026 | Mayer Bethanydirector | Grant | 837 | — |
| Jun 8, 2026 | LAZAR JACK Rdirector | Sell | 1,101 | $352.97 |
| Jun 8, 2026 | HURLSTON MICHAEL E.director | Grant | 837 | — |
| Jun 8, 2026 | LAZAR JACK Rdirector | Sell | 193 | $347.84 |
| Jun 8, 2026 | LAZAR JACK Rdirector | Sell | 246 | $345.24 |
| Jun 8, 2026 | LAZAR JACK Rdirector | Sell | 373 | $354.38 |
| Jun 8, 2026 | LAZAR JACK Rdirector | Sell | 527 | $342.55 |
| Jun 8, 2026 | LAZAR JACK Rdirector | Sell | 238 | $346.27 |
| Jun 8, 2026 | LAZAR JACK Rdirector | Grant | 837 | — |
| Jun 8, 2026 | LAZAR JACK Rdirector | Sell | 946 | $355.13 |
| Jun 8, 2026 | LAZAR JACK Rdirector | Sell | 1,116 | $360.09 |
| Jun 5, 2026 | Dyckerhoff Stefan Adirector | Sell | 580 | $364.25 |
| Jun 5, 2026 | Dyckerhoff Stefan Adirector | Sell | 428 | $365.09 |
Source: ALAB SEC Form 4 filings, latest Jun 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
587
New positions
294
Reduced
422
Sold out
250
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 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 12.7M | May 15, 2026 |
| BLACKROCK, INC. | Reduced | 11.4M | May 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 7.3M | May 8, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 6.8M | May 15, 2026 |
| JANE STREET GROUP, LLC | Increased | 3.7M | May 12, 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 |
| 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.