Stocks › ALAB

Astera Labs, Inc.

ALAB·Nasdaq·United States United States·USD
$382.25
-7.55 (-1.94%)
Close · Oct 7, 2026 · Close Prices from Tiingo.com
ALAB
Astera Labs, Inc. · Nasdaq
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
ALABS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair

Congressional Trades

Recent trades of ALAB by members of U.S. Congress · 2 on record
All congressional trades →
PoliticianStockTypeFiledTraded
Robert P. Bresnahan, Jr.Robert P. Bresnahan, Jr.House · R · PA ALABAstera Labs, Inc. · Stock Sale
$1,001 - $15,000
Mar 27, 2025 Feb 27, 2025 Filing ↗
Robert P. Bresnahan, Jr.Robert P. Bresnahan, Jr.House · R · PA ALABAstera Labs, Inc. · Stock Sale
$1,001 - $15,000
Mar 10, 2025 Feb 18, 2025 Filing ↗

Whale Activity

Position changes in ALAB reported for 2026-09-30 by 1 tracked institutional filer
No prior filing: 1
  • Increased0
  • New0
  • Held0
  • Decreased0
  • Closed0
  • No prior filing1
FilerSharesValueChange
MRA Advisory Group4,299$1.5M—

KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.

Insider Trading

Net shares bought (+) or sold (−) on the open market by ALAB insiders, by quarter · Form 4
-2.5M-1.3M01.3M2.5M2025 Q1: -613.5K2025 Q12025 Q2: -1.5M2025 Q22025 Q3: -1.4M2025 Q32025 Q4: -392.5K2025 Q42026 Q1: -394.3K2026 Q12026 Q2: -2.1M2026 Q22026 Q3: -591.6K2026 Q32026 Q4: 02026 Q4

Recent Insider Transactions

1,240 transactions on record · newest first
All insider activity →
InsiderTypeSharesPriceValueDate
Dyckerhoff Stefan ADirector · Director Sale −785 $275.53 $216K Sep 2, 2026 Form 4 ↗
Dyckerhoff Stefan ADirector · Director Sale −650 $273.64 $178K Sep 2, 2026 Form 4 ↗
Dyckerhoff Stefan ADirector · Director Sale −5,409 $274.79 $1.5M Sep 2, 2026 Form 4 ↗
Dyckerhoff Stefan ADirector · Director Sale −52 $273.64 $14K Sep 2, 2026 Form 4 ↗
Dyckerhoff Stefan ADirector · Director Sale −429 $274.79 $118K Sep 2, 2026 Form 4 ↗
Dyckerhoff Stefan ADirector · Director Sale −407 $276.75 $113K Sep 2, 2026 Form 4 ↗
Dyckerhoff Stefan ADirector · Director Sale −32 $276.75 $9K Sep 2, 2026 Form 4 ↗
Dyckerhoff Stefan ADirector · Director Sale −273 $273.64 $75K Sep 2, 2026 Form 4 ↗
Dyckerhoff Stefan ADirector · Director Sale −2,275 $274.79 $625K Sep 2, 2026 Form 4 ↗
Dyckerhoff Stefan ADirector · Director Sale −1,867 $275.53 $514K Sep 2, 2026 Form 4 ↗
Dyckerhoff Stefan ADirector · Director Sale −172 $276.75 $48K Sep 2, 2026 Form 4 ↗
Dyckerhoff Stefan ADirector · Director Sale −148 $275.53 $41K Sep 2, 2026 Form 4 ↗
ALBA MANUELDirector · Director Sale −892 $288.95 $258K Sep 1, 2026 Form 4 ↗
ALBA MANUELDirector · Director Sale −868 $283.18 $246K Sep 1, 2026 Form 4 ↗
ALBA MANUELDirector · Director Sale −8,179 $279.28 $2.3M Sep 1, 2026 Form 4 ↗
ALBA MANUELDirector · Director Sale −74 $285.18 $21K Sep 1, 2026 Form 4 ↗
ALBA MANUELDirector · Director Sale −59.4K $280.04 $16.6M Sep 1, 2026 Form 4 ↗
ALBA MANUELDirector · Director Sale −588 $287.00 $169K Sep 1, 2026 Form 4 ↗
ALBA MANUELDirector · Director Sale −5,870 $282.13 $1.7M Sep 1, 2026 Form 4 ↗
ALBA MANUELDirector · Director Sale −568 $277.32 $158K Sep 1, 2026 Form 4 ↗

Fund Holders

Mutual funds and ETFs holding ALAB · SEC Form N-PORT
FundSharesValue% of fundAs of
Select Semiconductors Portfolio
Fidelity Select Portfolios
7.6M$2.62B5.11%May 31, 2026
VANGUARD TOTAL STOCK MARKET INDEX FUND
VANGUARD INDEX FUNDS
4.9M$2.37B0.10%Jun 30, 2026
Invesco QQQ Trust, Series 13.6M$1.76B0.36%Jun 30, 2026
iShares Semiconductor ETF
iShares Trust
3.0M$1.45B3.02%Jun 30, 2026
VanEck Semiconductor ETF
VanEck ETF Trust
2.0M$983.6M1.27%Jun 30, 2026
VANGUARD SMALL-CAP INDEX FUND
VANGUARD INDEX FUNDS
1.8M$854.4M0.45%Jun 30, 2026
VANGUARD MID-CAP INDEX FUND
VANGUARD INDEX FUNDS
1.7M$807.2M0.36%Jun 30, 2026
Fidelity Growth Company Fund
Fidelity Mt. Vernon Street Trust
2.3M$782.0M0.79%May 31, 2026
Select Technology Portfolio
Fidelity Select Portfolios
2.2M$766.5M2.01%May 31, 2026
VANGUARD EXTENDED MARKET INDEX FUND
VANGUARD INDEX FUNDS
1.5M$740.5M0.76%Jun 30, 2026

Mutual funds and ETFs whose N-PORT filings list ALAB's shares (CUSIP 04626A103), each fund at its latest report since Mar 8, 2026, largest positions first. Bonds, options and short positions are left out.

Activist & Passive Stakes

Schedule 13D / 13G beneficial-ownership filings
  • Abigail P. JohnsonSCHEDULE 13G/A · passive (13G) · 15.8M shares9.1%
    Oct 7, 2026 · ↗
  • FMR LLCSCHEDULE 13G/A · passive (13G) · 15.8M shares9.1%
    Oct 7, 2026 · ↗
  • BlackRock, Inc.SCHEDULE 13G/A · passive (13G) · 12.7M shares7.4%
    Jul 27, 2026 · ↗

Corporate Lobbying

Estimated quarterly lobbying spending reported under the LDA, filings naming Astera Labs, Inc. as client

No lobbying filings found naming Astera Labs, Inc. as the client.

Government Contracts

Federal awards to Astera Labs, Inc. · USAspending

No federal contract awards found for Astera Labs, Inc..

U.S. Patents

Recent USPTO applications naming Astera Labs, Inc.

No USPTO patent applications found for Astera Labs, Inc..

Annual Financials

From ALAB's 10-K filings · XBRL

No annual XBRL figures on record for ALAB. KeyVex's fundamentals cover about 130 large companies so far.

Stock Splits

Every split and reverse split in the price history

No stock splits in ALAB's price history.

Material Events (8-K)

Corporate events filed with the SEC
  • 8-K · Items 2.02, 9.01Results of operationsAug 4, 2026
    EDGAR ↗
  • 8-K · Items 5.07Shareholder voteJun 8, 2026
    EDGAR ↗
  • 8-K · Items 2.02, 9.01Results of operationsMay 5, 2026
    EDGAR ↗

About Astera Labs, Inc.

From SEC EDGAR company records
Industry (SIC 3674)Semiconductors & Related Devices
SectorTechnology
HeadquartersSAN JOSE, CA
IncorporatedDE