ALAB

Astera Labs, Inc.

NasdaqTechnologySemiconductors & Related Devices

Insider activity for last month from 08/03 to 09/03. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.

Latest filingAug 19, 2026Most recent Form 4
Total buying$00 buys
Total selling$6.40B54 sells
Net open-market-$6.40B3 insiders
Open-market mix
Buy vs sell distribution by transaction count
54 transactions
0 buys0%·100%54 sells

Insider activity report

Monthly open-market purchase and sale counts
Buys Sells
55280-28-55transactionsAug 2026 sells: 54 transactions · $6.40B54AugSep

Transaction codes

By Form 4 transaction code in selected period
54transactions
  • S · Open-market sells · dominant54 · 100%

Activity by reported role

A joint filing can contribute to multiple roles
72transactions
  • Chief executive officer · dominant18 · 25%
  • GC18 · 25%
  • PRES18 · 25%
  • SECY18 · 25%

Distinct insiders active

Reporting-owner CIKs by month · peak Aug 2026 (3)
Aug 2026Sep 2026
3distinct insiders in 2 months

Reported Holdings After

Separated by insider, security, and ownership type
Mohan JitendraCommon Stock · Direct
1.4M1.3MAug 17, 2026 · 1,356,717 shares owned afterAug 17, 2026 · 1,355,668 shares owned afterAug 17, 2026 · 1,353,684 shares owned afterAug 17, 2026 · 1,352,627 shares owned afterAug 17, 2026 · 1,349,127 shares owned afterAug 17, 2026 · 1,346,602 shares owned afterAug 17, 2026 · 1,329,229 shares owned afterAug 17, 2026 · 1,325,516 shares owned afterAug 17, 2026 · 1,320,067 shares owned afterAug 17, 2026 · 1,318,457 shares owned afterAug 17, 2026 · 1,315,841 shares owned afterAug 17, 2026 · 1,309,357 shares owned afterAug 17, 2026 · 1,301,365 shares owned afterAug 17, 2026 · 1,290,927 shares owned afterAug 17, 2026 · 1,287,981 shares owned afterAug 17, 2026 · 1,266,665 shares owned afterAug 17, 2026 · 1,286,199 shares owned afterAug 17, 2026 · 1,279,273 shares owned afterAug 17, 2026Aug 17, 2026
1,279,273Aug 17, 2026
Mazzara PhilipCommon Stock · Direct
103.3k96.5kAug 17, 2026 · 103,299 shares owned afterAug 17, 2026 · 97,896 shares owned afterAug 17, 2026 · 103,217 shares owned afterAug 17, 2026 · 103,061 shares owned afterAug 17, 2026 · 102,980 shares owned afterAug 17, 2026 · 102,711 shares owned afterAug 17, 2026 · 102,512 shares owned afterAug 17, 2026 · 101,202 shares owned afterAug 17, 2026 · 100,915 shares owned afterAug 17, 2026 · 100,500 shares owned afterAug 17, 2026 · 100,375 shares owned afterAug 17, 2026 · 100,170 shares owned afterAug 17, 2026 · 99,666 shares owned afterAug 17, 2026 · 99,056 shares owned afterAug 17, 2026 · 98,259 shares owned afterAug 17, 2026 · 98,032 shares owned afterAug 17, 2026 · 97,356 shares owned afterAug 17, 2026 · 96,542 shares owned afterAug 17, 2026Aug 17, 2026
96,542Aug 17, 2026
Gajendra SanjayCommon Stock · Direct
1.2M1.1MAug 17, 2026 · 1,206,057 shares owned afterAug 17, 2026 · 1,205,000 shares owned afterAug 17, 2026 · 1,201,500 shares owned afterAug 17, 2026 · 1,198,975 shares owned afterAug 17, 2026 · 1,181,602 shares owned afterAug 17, 2026 · 1,177,889 shares owned afterAug 17, 2026 · 1,172,440 shares owned afterAug 17, 2026 · 1,170,830 shares owned afterAug 17, 2026 · 1,168,214 shares owned afterAug 17, 2026 · 1,161,730 shares owned afterAug 17, 2026 · 1,153,738 shares owned afterAug 17, 2026 · 1,143,300 shares owned afterAug 17, 2026 · 1,140,354 shares owned afterAug 17, 2026 · 1,138,572 shares owned afterAug 17, 2026 · 1,131,646 shares owned afterAug 17, 2026 · 1,119,038 shares owned afterAug 17, 2026 · 1,209,090 shares owned afterAug 17, 2026 · 1,208,041 shares owned afterAug 17, 2026Aug 17, 2026
1,208,041Aug 17, 2026

These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.

Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells red
1 active days
Aug 03Sep 03
LessMore
Top insiders
By absolute net value across the selected period
3 insiders
  • GS
    Gajendra SanjayPRES · rank 1 · 0 buys · 18 sells
    -$30.8Mlast 08/19/undefined
  • MJ
    Mohan JitendraCEO · rank 2 · 0 buys · 14 sells
    -$29.2Mlast 08/19/undefined
  • MP
    Mazzara PhilipGC, SECY · rank 3 · 0 buys · 18 sells
    -$2.3Mlast 08/19/undefined
Recent filing activity
Most recent 12 transactions · color = transaction code

Filing detail checks

Secondary metrics for the selected period
Largest buy-
Largest sale$599M
10b5-1 detected0
Amended rows0

Filing-only signals

Deterministic matches in the selected period

ALAB transaction history

Filters apply within this company and selected period by default
Reset
TickerInsiderRoleTypeSharesValueCodeSignals90d returnFiledTrans date
ALABGajendra Sanjay
PRES
sale12.6k-$420MS3.2%08/1908/17
ALABGajendra Sanjay
PRES
sale6.92k-$231MS3.2%08/1908/17
ALABGajendra Sanjay
PRES
sale1.78k-$59.7MS3.2%08/1908/17
ALABGajendra Sanjay
PRES
sale2.94k-$99.1MS3.2%08/1908/17
ALABGajendra Sanjay
PRES
sale10.4k-$352MS3.2%08/1908/17
ALABGajendra Sanjay
PRES
sale7.99k-$270MS3.2%08/1908/17
ALABGajendra Sanjay
PRES
sale6.48k-$220MS3.2%08/1908/17
ALABGajendra Sanjay
PRES
sale2.61k-$89.0MS3.2%08/1908/17
ALABGajendra Sanjay
PRES
sale1.61k-$55.0MS3.2%08/1908/17
ALABGajendra Sanjay
PRES
sale5.44k-$186MS3.2%08/1908/17
ALABGajendra Sanjay
PRES
sale3.71k-$127MS3.2%08/1908/17
ALABGajendra Sanjay
PRES
sale17.3k-$599MS3.2%08/1908/17
ALABGajendra Sanjay
PRES
sale2.52k-$87.3MS3.2%08/1908/17
ALABGajendra Sanjay
PRES
sale3.50k-$121MS3.2%08/1908/17
ALABGajendra Sanjay
PRES
sale1.05k-$36.7MS3.2%08/1908/17
ALABGajendra Sanjay
PRES
sale1.98k-$69.2MS3.2%08/1908/17
ALABGajendra Sanjay
PRES
sale1.04k-$36.8MS3.2%08/1908/17
ALABGajendra Sanjay
PRES
sale578-$20.3MS3.2%08/1908/17
ALABMazzara Philip
GCSECY
sale814-$27.1MS3.2%08/1908/17
ALABMazzara Philip
GCSECY
sale540-$18.0MS3.2%08/1908/17
ALABMazzara Philip
GCSECY
sale136-$4.56MS3.2%08/1908/17
ALABMazzara Philip
GCSECY
sale227-$7.64MS3.2%08/1908/17
ALABMazzara Philip
GCSECY
sale797-$26.9MS3.2%08/1908/17
ALABMazzara Philip
GCSECY
sale610-$20.6MS3.2%08/1908/17
ALABMazzara Philip
GCSECY
sale504-$17.1MS3.2%08/1908/17
ALABMazzara Philip
GCSECY
sale205-$6.98MS3.2%08/1908/17
ALABMazzara Philip
GCSECY
sale125-$4.27MS3.2%08/1908/17
ALABMazzara Philip
GCSECY
sale415-$14.2MS3.2%08/1908/17
ALABMazzara Philip
GCSECY
sale287-$9.87MS3.2%08/1908/17
ALABMazzara Philip
GCSECY
sale1.31k-$45.1MS3.2%08/1908/17
ALABMazzara Philip
GCSECY
sale199-$6.88MS3.2%08/1908/17
ALABMazzara Philip
GCSECY
sale269-$9.33MS3.2%08/1908/17
ALABMazzara Philip
GCSECY
sale81-$2.81MS3.2%08/1908/17
ALABMazzara Philip
GCSECY
sale156-$5.44MS3.2%08/1908/17
ALABMazzara Philip
GCSECY
sale82-$2.88MS3.2%08/1908/17
ALABMazzara Philip
GCSECY
sale44-$1.54MS3.2%08/1908/17
ALABMohan Jitendra
CEO
sale12.6k-$420MS3.2%08/1908/17
ALABMohan Jitendra
CEO
sale6.92k-$231MS3.2%08/1908/17
ALABMohan Jitendra
CEO
sale1.78k-$59.7MS3.2%08/1908/17
ALABMohan Jitendra
CEO
sale2.94k-$99.1MS3.2%08/1908/17
ALABMohan Jitendra
CEO
sale10.4k-$352MS3.2%08/1908/17
ALABMohan Jitendra
CEO
sale7.99k-$270MS3.2%08/1908/17
ALABMohan Jitendra
CEO
sale6.48k-$220MS3.2%08/1908/17
ALABMohan Jitendra
CEO
sale2.61k-$89.0MS3.2%08/1908/17
ALABMohan Jitendra
CEO
sale1.61k-$55.0MS3.2%08/1908/17
ALABMohan Jitendra
CEO
sale5.44k-$186MS3.2%08/1908/17
ALABMohan Jitendra
CEO
sale3.71k-$127MS3.2%08/1908/17
ALABMohan Jitendra
CEO
sale17.3k-$599MS3.2%08/1908/17
ALABMohan Jitendra
CEO
sale2.52k-$87.3MS3.2%08/1908/17
ALABMohan Jitendra
CEO
sale3.50k-$121MS3.2%08/1908/17

Astera Labs, Inc. Insider Activity FAQ

SEC Form 4 context

Who recently reported transactions at Astera Labs, Inc.?

Gajendra Sanjay, Mazzara Philip, Mohan Jitendra.

When was the latest reported open-market purchase?

No code-P purchase is available for this period.

When was the latest reported open-market sale?

Gajendra Sanjay reported a sale on Aug 17, 2026 valued at $420M. Read the SEC filing.

What is the recent purchase and sale balance?

Net open-market selling in the selected period was $64,008,466.06. Sales can occur for many non-investment reasons.

Where can I see the original SEC filing?

Every transaction row and latest-activity fact links to its original SEC filing.

What do these Form 4 transaction codes mean?

P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.