// company-profile

Astera Labs, Inc.

ALAB
ExchangeNasdaqSectorSemiconductors & Related DevicesInc.DEFilings171Insiders15
// api This Astera Labs, Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.

// activity-summary

Recent insider activity is bullish. Over the last 30 days, 5 insiders purchased shares. Buying was led by LAZAR JACK R.

// 90-day insight

Over the last 90 days, Astera Labs, Inc. insiders bought $0 (5 transactions) and sold $347K (3 transactions).

  • Most active insider: LAZAR JACK R with 19 transactions totaling $3.6M.
  • Largest single sale: $39.8M by Gajendra Sanjay on May 21, 2026.
  • 93% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.

Activity skews bullish — buys outpace sales.

Institutional Ownership

Top 13F-HR holders of Astera Labs, Inc. as of 2026-03-31

↓ decreasing
Total reported AUM
$13.73B
QoQ change
-29.3%
Reporting period
2026-03-31
#1
FMR LLC
CIK 315066
$2.29B
20.9M shares
#2
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
$694.9M
6.3M shares
#3
BlackRock, Inc.
CIK 2012383
$641.4M
5.9M shares

Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValue
Jun 4, 2026LAZAR JACK RALAB
Sale10b5
1,101$352.97$389K
Jun 4, 2026LAZAR JACK RALAB
Award
837$0.00$0K
Jun 4, 2026LAZAR JACK RALAB
Sale10b5
243$344.03$84K
Jun 4, 2026LAZAR JACK RALAB
Sale10b5
17$351.13$6K
Jun 4, 2026LAZAR JACK RALAB
Sale10b5
238$346.27$82K

45 more transactions hidden

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