Comparable stake leader
BlackRock, Inc.
SEC ownership of Astera Labs, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001736297.
Disclosed value leader
FMR LLC
Comparable rows
50/50
Latest evidence
02 Sep 2026
- Public ticker
- ALAB on Nasdaq
- Parsed ownership sources
-
13F, 13D/G, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
BlackRock, Inc.
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
BlackRock, Inc.
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
02 Sep 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001736297
- Issuer location
- San Jose, CA
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Astera Labs, Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
BlackRock, Inc.
Disclosed value leader
FMR LLC
Comparable rows
50/50
Latest evidence
02 Sep 2026
13F
13D/G
3/4/5
Lead comparable stake: 7.4%
13D/G row: BlackRock, Inc.
Showing 1-8 of 50 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 7.4%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens BlackRock, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock, Inc.
7.4%
Mohan Jitendra
5.4%
Gajendra Sanjay
4.5%
ALLIANCEBERNSTEIN L.P.
3.9%
Atreides Management, LP
1.2%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
Company
|
7.4%
from 13D/G
|
$6,609,580,511
13,683,865 shares
|
— | 30 Jun 2026 |
| Mohan Jitendra |
3/4/5
13D/G
Chief Executive Officer, Director
|
5.4%
from 13D/G
|
$3,701,894,259
8,055,898 shares
|
-$234,095,656 | 17 Aug 2026 |
| Gajendra Sanjay |
3/4/5
13D/G
President and COO, Director
|
4.5%
from 13D/G
|
$3,522,795,203
7,639,440 shares
|
-$318,614,360 | 17 Aug 2026 |
| ALLIANCEBERNSTEIN L.P. |
13D/G
13F
Company
|
3.9%
|
$612,952,522
6,391,580 shares
|
-$192,705,200 | 30 Jun 2025 |
| Atreides Management, LP |
13F
13D/G
Company
|
1.2%
from 13D/G
|
$587,736,321
1,216,795 shares
|
— | 30 Jun 2026 |
| Manuel Alba |
3/4/5
Director
|
0.81%
|
$401,834,017
1,385,712 shares
|
-$182,596,582 | 01 Sep 2026 |
| Michael Truett Tate |
3/4/5
Chief Financial Officer
|
0.38%
|
$107,006,899
642,364 shares
|
-$3,139,644 | 17 Feb 2026 |
| Stefan A. Dyckerhoff |
3/4/5
Director
|
0.21%
|
$105,541,333
367,325 shares
|
-$24,389,355 | 02 Sep 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$781,292,419.
Buys
$0
Insiders: 0
Sells
$781,292,419
Insiders: 8
Net
-$781,292,419
Shares: -3,540,260
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 3,540,260
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 592,244 | $0 | $209,730,338 | -$209,730,338 |
| 3-6 | 0 | 2,328,756 | $0 | $481,794,075 | -$481,794,075 |
| 6-9 | 0 | 226,792 | $0 | $28,561,215 | -$28,561,215 |
| 9-12 | 0 | 392,468 | $0 | $61,206,791 | -$61,206,791 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-13 of 13 reporting-owner rows connected to Astera Labs, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
13
Largest Forms 3/4/5 holder
Mohan Jitendra
Net 12M change
-$781,292,419
Latest report
02 Sep 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Mohan Jitendra | Chief Executive Officer, Director | $3,701,894,259 | -$234,095,656 | -5.9% | Mixed | 17 Aug 2026 |
| Gajendra Sanjay | President and COO, Director | $3,522,795,203 | -$318,614,360 | -8.3% | Mixed | 17 Aug 2026 |
| SUTTER HILL VENTURES | 10%+ Owner | $466,977,883 | Mixed | 15 Aug 2024 | ||
| Manuel Alba | Director | $401,834,017 | -$182,596,582 | -31% | Mixed | 01 Sep 2026 |
| Michael Truett Tate | Chief Financial Officer | $107,006,899 | -$3,139,644 | -2.9% | Mixed | 17 Feb 2026 |
| Stefan A. Dyckerhoff | Director | $105,541,333 | -$24,389,355 | -19% | Mixed | 02 Sep 2026 |
| Philip Mazzara | General Counsel and Secretary | $32,210,050 | -$13,036,800 | -29% | Filing P/S | 17 Aug 2026 |
| Jack R. Lazar | Director | $25,700,617 | -$5,149,023 | -17% | Filing P/S | 04 Jun 2026 |
| Germaine Cota | Chief Accting. Off. & VP, Fin. | $12,771,048 | Median | 20 Jul 2026 | ||
| Michael E. Hurlston | Director | $10,136,027 | Mixed | 04 Jun 2026 | ||
| Desmond Lynch | Chief Financial Officer | $5,434,406 | Mixed | 01 May 2026 | ||
| Bethany Mayer | Director | $2,311,732 | -$270,999 | -10% | Mixed | 24 Jun 2026 |
| Craig H. Barratt | Director | $748,020 | Mixed | 04 Jun 2026 |
Recent insider transactions for Astera Labs, Inc.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Stefan A. Dyckerhoff | ALAB | Common Stock | Sale | -16.6% | $181,749 | $274.96 | -661 | 3,309 | 02 Sep 2026 | By Limited Partnership (TF) |
| Stefan A. Dyckerhoff | ALAB | Common Stock | Sale | -2.75% | $2,291,260 | $274.96 | -8,333 | 294,733 | 02 Sep 2026 | By Trust |
| Stefan A. Dyckerhoff | ALAB | Common Stock | Sale | -6.5% | $963,744 | $274.96 | -3,505 | 50,456 | 02 Sep 2026 | Direct |
| Manuel Alba | ALAB | Common Stock | Sale | -11.5% | $9,244,247 | $280.13 | -33,000 | 253,863 | 01 Sep 2026 | By Casa Alameda 2007, LLC |
| Manuel Alba | ALAB | Common Stock | Sale | -11.8% | $42,019,449 | $280.13 | -150,000 | 1,124,498 | 01 Sep 2026 | By Alba Trust |
| Sanjay Gajendra | ALAB | Common Stock | Sale | -7.49% | $30,846,356 | $340.35 | -90,630 | 1,119,038 | 17 Aug 2026 | Direct |
| Philip Mazzara | ALAB | Common Stock | Sale | -6.58% | $2,315,754 | $340.50 | -6,801 | 96,542 | 17 Aug 2026 | Direct |
| Jitendra Mohan | ALAB | Common Stock | Sale | -6.68% | $30,846,356 | $340.35 | -90,630 | 1,266,665 | 17 Aug 2026 | Direct |
| Stefan A. Dyckerhoff | ALAB | Common Stock | Sale | -14.3% | $206,121 | $311.83 | -661 | 3,970 | 06 Aug 2026 | By Limited Partnership (TF) |
| Stefan A. Dyckerhoff | ALAB | Common Stock | Sale | -2.68% | $2,598,494 | $311.83 | -8,333 | 303,066 | 06 Aug 2026 | By Trust |
| Stefan A. Dyckerhoff | ALAB | Common Stock | Sale | -6.1% | $1,092,972 | $311.83 | -3,505 | 53,961 | 06 Aug 2026 | Direct |
| Germaine Cota | ALAB | Common Stock | Award | 5.81% | 1,451 | 26,440 | 20 Jul 2026 | Direct | ||
| Manuel Alba | ALAB | Common Stock | Sale | -2.87% | $3,892,091 | $458.38 | -8,491 | 286,863 | 01 Jul 2026 | By Casa Alameda 2007, LLC |
| Manuel Alba | ALAB | Common Stock | Sale | -7.66% | $10,755,607 | $438.84 | -24,509 | 295,354 | 01 Jul 2026 | By Casa Alameda 2007, LLC |
| Manuel Alba | ALAB | Common Stock | Sale | -1.01% | $6,037,135 | $463.47 | -13,026 | 1,274,498 | 01 Jul 2026 | By Alba Trust |
| Manuel Alba | ALAB | Common Stock | Sale | -9.62% | $60,543,455 | $442.01 | -136,974 | 1,287,524 | 01 Jul 2026 | By Alba Trust |
| Stefan A. Dyckerhoff | ALAB | Common Stock | Sale | -12.5% | $297,450 | $450.00 | -661 | 4,631 | 01 Jul 2026 | By Limited Partnership (TF) |
| Stefan A. Dyckerhoff | ALAB | Common Stock | Sale | -2.61% | $3,749,850 | $450.00 | -8,333 | 311,399 | 01 Jul 2026 | By Trust |
| Stefan A. Dyckerhoff | ALAB | Common Stock | Sale | -5.75% | $1,577,250 | $450.00 | -3,505 | 57,466 | 01 Jul 2026 | Direct |
| Bethany Mayer | ALAB | Common Stock | Sale | -11% | $270,999 | $395.04 | -686 | 5,550 | 24 Jun 2026 | Direct |
| Jack R. Lazar | ALAB | Common Stock | Sale | -11.7% | $3,551,679 | $355.17 | -10,000 | 75,688 | 04 Jun 2026 | Direct |
| Jack R. Lazar | ALAB | Common Stock | Award | 0.99% | 837 | 85,688 | 04 Jun 2026 | Direct | ||
| Michael E. Hurlston | ALAB | Common Stock | Award | 0.91% | 837 | 92,482 | 04 Jun 2026 | Direct | ||
| Craig H. Barratt | ALAB | Common Stock | Award | 14% | 837 | 6,825 | 04 Jun 2026 | Direct | ||
| Bethany Mayer | ALAB | Common Stock | Award | 15.5% | 837 | 6,236 | 04 Jun 2026 | Direct | ||
| Stefan A. Dyckerhoff | ALAB | Common Stock | Award | 1.39% | 837 | 60,971 | 04 Jun 2026 | Direct | ||
| Stefan A. Dyckerhoff | ALAB | Common Stock | Sale | -11.1% | $240,835 | $364.35 | -661 | 5,292 | 03 Jun 2026 | By Limited Partnership (TF) |
| Stefan A. Dyckerhoff | ALAB | Common Stock | Sale | -2.54% | $3,036,119 | $364.35 | -8,333 | 319,732 | 03 Jun 2026 | By Trust |
| Stefan A. Dyckerhoff | ALAB | Common Stock | Sale | -5.51% | $1,277,042 | $364.35 | -3,505 | 60,134 | 03 Jun 2026 | Direct |
| Sanjay Gajendra | ALAB | Common Stock | Gift | -15.8% | -226,189 | 1,209,668 | 22 May 2026 | Direct | ||
| Sanjay Gajendra | ALAB | Common Stock | Gift | 4.47% | 226,189 | 5,290,402 | 22 May 2026 | By Trust 1 | ||
| Sanjay Gajendra | ALAB | Common Stock | Sale | -7.32% | $116,119,966 | $290.30 | -400,000 | 5,064,213 | 21 May 2026 | By Trust 1 |
| Philip Mazzara | ALAB | Common Stock | Sale | -0.76% | $231,656 | $291.03 | -796 | 103,343 | 21 May 2026 | Direct |
| Sanjay Gajendra | ALAB | Common Stock | Sale | -6.11% | $9,939,800 | $248.50 | -40,000 | 615,000 | 19 May 2026 | By Trust 3 |
| Sanjay Gajendra | ALAB | Common Stock | Sale | -6.11% | $9,944,704 | $248.62 | -40,000 | 615,000 | 19 May 2026 | By Trust 2 |
| Sanjay Gajendra | ALAB | Common Stock | Sale | -3.53% | $49,889,510 | $249.45 | -200,000 | 5,464,213 | 19 May 2026 | By Trust 1 |
| Jitendra Mohan | ALAB | Common Stock | Sale | -0.75% | $7,173,408 | $249.62 | -28,737 | 3,789,232 | 19 May 2026 | By Living Trust |
| Jitendra Mohan | ALAB | Common Stock | Sale | -6.57% | $21,476,949 | $225.02 | -95,444 | 1,357,295 | 18 May 2026 | Direct |
| Sanjay Gajendra | ALAB | Common Stock | Sale | -6.23% | $21,476,949 | $225.02 | -95,444 | 1,435,857 | 18 May 2026 | Direct |
| Philip Mazzara | ALAB | Common Stock | Sale | -11.9% | $3,262,540 | $231.78 | -14,076 | 104,139 | 18 May 2026 | Direct |
| Jitendra Mohan | ALAB | Common Stock | Sale | -2.83% | $24,121,604 | $216.89 | -111,214 | 3,817,969 | 18 May 2026 | By Living Trust |
| Philip Mazzara | ALAB | Common Stock | Award | 0.11% | 131 | 118,215 | 14 May 2026 | Direct | ||
| Sanjay Gajendra | ALAB | Common Stock | Sale | -5.76% | $7,935,704 | $198.39 | -40,000 | 655,000 | 07 May 2026 | By Trust 3 |
| Sanjay Gajendra | ALAB | Common Stock | Sale | -1.41% | $1,897,590 | $202.71 | -9,361 | 655,000 | 07 May 2026 | By Trust 2 |
| Sanjay Gajendra | ALAB | Common Stock | Sale | -4.41% | $6,038,126 | $197.07 | -30,639 | 664,361 | 07 May 2026 | By Trust 2 |
| Sanjay Gajendra | ALAB | Common Stock | Sale | -3.41% | $39,678,605 | $198.39 | -200,000 | 5,664,213 | 07 May 2026 | By Trust 1 |
| Jitendra Mohan | ALAB | Common Stock | Sale | -3.44% | $28,013,250 | $200.16 | -139,951 | 3,929,183 | 07 May 2026 | By Living Trust |
| Stefan A. Dyckerhoff | ALAB | Common Stock | Sale | -9.99% | $132,222 | $200.03 | -661 | 5,953 | 07 May 2026 | By Limited Partnership (TF) |
| Stefan A. Dyckerhoff | ALAB | Common Stock | Sale | -2.48% | $1,666,875 | $200.03 | -8,333 | 328,065 | 07 May 2026 | By Trust |
| Stefan A. Dyckerhoff | ALAB | Common Stock | Sale | -5.22% | $701,115 | $200.03 | -3,505 | 63,639 | 07 May 2026 | Direct |
* marks a reported price that did not pass the local price check.