ALAB insider buying and SEC filings, explained
Astera Labs, Inc. · CIK 1736297
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$164.6M
Planned sales (10b5-1)
$619.5M
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Oct 7, 2026 | Planned (10b5-1) | Stefan A Dyckerhoff (Director) sold 12,499 shares directly and indirectly (by trust) at $376.06 ($4.7M), marked as a 10b5-1 plan trade. Direct holdings down 7% to 47,019 shares. | SEC filing Filed Oct 9, 2026, 6:36 PM ET |
| Sep 2, 2026 | Planned (10b5-1) | Stefan A Dyckerhoff (Director) sold 12,499 shares directly and indirectly (by trust) at about $274.96 ($3.4M), marked as a 10b5-1 plan trade. Direct holdings down 6% to 50,456 shares. | SEC filing Filed Sep 3, 2026 |
| Sep 1, 2026 | Planned (10b5-1) | Manuel Alba (Director) sold 183,000 shares indirectly (by trust) at about $280.13 ($51.3M), marked as a 10b5-1 plan trade. Holdings by trust down 12% to 1,124,498 shares. | SEC filing Filed Sep 3, 2026 |
| Aug 17, 2026 | Sale | Sanjay Gajendra (President / COO and Director) sold 90,630 shares at about $340.35 ($30.8M). Holdings down 7% to 1,119,038 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 19, 2026 |
| Aug 17, 2026 | Sale | Philip Mazzara (General Counsel and Secretary) sold 6,801 shares at about $340.50 ($2.3M). Holdings down 7% to 96,542 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 19, 2026 |
| Aug 17, 2026 | Sale | Jitendra Mohan (CEO and Director) sold 90,630 shares at about $340.35 ($30.8M). Holdings down 7% to 1,266,665 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 19, 2026 |
| Aug 6, 2026 | Planned (10b5-1) | Stefan A Dyckerhoff (Director) sold 12,499 shares directly and indirectly (by trust) at about $311.83 ($3.9M), marked as a 10b5-1 plan trade. Direct holdings down 6% to 53,961 shares. | SEC filing Filed Aug 10, 2026 |
| Jul 1, 2026 | Planned (10b5-1) | Manuel Alba (Director) sold 8,491 shares indirectly (by entity) at about $458.38 ($3.9M), marked as a 10b5-1 plan trade. Holdings by entity down 3% to 286,863 shares. | SEC filing Filed Jul 6, 2026 |
| Jul 1, 2026 | Planned (10b5-1) | Manuel Alba (Director) sold 37,535 shares indirectly (by entity) at about $447.39 ($16.8M), marked as a 10b5-1 plan trade. Holdings by entity down 8% to 295,354 shares. | SEC filing Filed Jul 6, 2026 |
| Jul 1, 2026 | Planned (10b5-1) | Manuel Alba (Director) sold 136,974 shares indirectly (by trust) at about $442.01 ($60.5M), marked as a 10b5-1 plan trade. Holdings by trust down 10% to 1,287,524 shares. | SEC filing Filed Jul 6, 2026 |
| Jul 1, 2026 | Planned (10b5-1) | Stefan A Dyckerhoff (Director) sold 12,499 shares directly and indirectly (by trust) at $450.00 ($5.6M), marked as a 10b5-1 plan trade. Direct holdings down 6% to 57,466 shares. | SEC filing Filed Jul 2, 2026 |
| Jun 24, 2026 | Planned (10b5-1) | Bethany Mayer (Director) sold 686 shares at about $395.04 ($271K), marked as a 10b5-1 plan trade. Holdings down 11% to 5,550 shares. | SEC filing Filed Jun 26, 2026 |
| Jun 4, 2026 | Planned (10b5-1) | Jack R. Lazar (Director) sold 10,000 shares at about $355.17 ($3.6M), marked as a 10b5-1 plan trade. Holdings down 12% to 75,688 shares. | SEC filing Filed Jun 8, 2026 |
| Jun 3, 2026 | Planned (10b5-1) | Stefan A Dyckerhoff (Director) sold 12,499 shares directly and indirectly (by trust) at about $364.35 ($4.6M), marked as a 10b5-1 plan trade. Direct holdings down 6% to 60,134 shares. | SEC filing Filed Jun 5, 2026 |
| May 21, 2026 | Planned (10b5-1) | Sanjay Gajendra (President / COO and Director) sold 400,000 shares indirectly (by trust) at about $290.30 ($116.1M), marked as a 10b5-1 plan trade. Holdings by trust down 7% to 5,064,213 shares. | SEC filing Filed May 26, 2026 |
| May 21, 2026 | Sale | Philip Mazzara (General Counsel and Secretary) sold 796 shares at $291.03 ($232K). Holdings down 1% to 103,343 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 26, 2026 |
| May 19, 2026 | Planned (10b5-1) | Sanjay Gajendra (President / COO and Director) sold 280,000 shares indirectly (by trust) at about $249.19 ($69.8M), marked as a 10b5-1 plan trade. Holdings by trust down 4% to 5,464,213 shares. | SEC filing Filed May 21, 2026 |
| May 18, 2026 | Sale | Sanjay Gajendra (President / COO and Director) sold 95,444 shares at about $225.02 ($21.5M). Holdings down 6% to 1,435,857 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 20, 2026 |
| May 18, 2026 | Sale | Philip Mazzara (General Counsel and Secretary) sold 14,076 shares at about $231.78 ($3.3M). Holdings down 12% to 104,139 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 20, 2026 |
| May 18, 2026 | Sale | Jitendra Mohan (CEO and Director) sold 95,444 shares at about $225.02 ($21.5M). Holdings down 7% to 1,357,295 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 20, 2026 |
| May 18–19, 2026 | Planned (10b5-1) | Jitendra Mohan (CEO and Director) sold 139,951 shares indirectly (by trust) between May 18 and May 19 at about $223.61 ($31.3M), marked as a 10b5-1 plan trade. Holdings by trust down 4% to 3,789,232 shares. | SEC filing Filed May 20, 2026 |
| May 7, 2026 | Planned (10b5-1) | Sanjay Gajendra (President / COO and Director) sold 49,361 shares indirectly (by trust) at about $199.21 ($9.8M), marked as a 10b5-1 plan trade. Holdings by trust down 6% to 655,000 shares. | SEC filing Filed May 11, 2026 |
| May 7, 2026 | Planned (10b5-1) | Sanjay Gajendra (President / COO and Director) sold 230,639 shares indirectly (by trust) at about $198.22 ($45.7M), marked as a 10b5-1 plan trade. Holdings by trust down 3% to 5,664,213 shares. | SEC filing Filed May 11, 2026 |
| May 7, 2026 | Planned (10b5-1) | Jitendra Mohan (CEO and Director) sold 139,951 shares indirectly (by trust) at about $200.17 ($28.0M), marked as a 10b5-1 plan trade. Holdings by trust down 3% to 3,929,183 shares. | SEC filing Filed May 11, 2026 |
| May 7, 2026 | Planned (10b5-1) | Stefan A Dyckerhoff (Director) sold 12,499 shares directly and indirectly (by trust) at about $200.03 ($2.5M), marked as a 10b5-1 plan trade. Direct holdings down 5% to 63,639 shares. | SEC filing Filed May 11, 2026 |
| Apr 17–20, 2026 | Planned (10b5-1) | Jitendra Mohan (CEO and Director) sold 335,881 shares indirectly (by trust) between Apr 17 and Apr 20 at about $172.24 ($57.9M), marked as a 10b5-1 plan trade. Holdings by trust down 8% to 4,069,134 shares. | SEC filing Filed Apr 21, 2026 |
| Apr 17–20, 2026 | Planned (10b5-1) | Stefan A Dyckerhoff (Director) sold 24,998 shares directly and indirectly (by trust) between Apr 17 and Apr 20 at about $175.06 ($4.4M), marked as a 10b5-1 plan trade. Direct holdings down 9% to 67,144 shares. | SEC filing Filed Apr 21, 2026 |
| Apr 15, 2026 | Planned (10b5-1) | Jitendra Mohan (CEO and Director) sold 2,967 shares indirectly (by trust) at about $174.60 ($518K), marked as a 10b5-1 plan trade. Holdings by trust down <1% to 4,405,015 shares. | SEC filing Filed Apr 16, 2026 |
| Apr 10, 2026 | Planned (10b5-1) | Jitendra Mohan (CEO and Director) sold 123,750 shares indirectly (by trust) at about $149.67 ($18.5M), marked as a 10b5-1 plan trade. Holdings by trust down 3% to 4,407,982 shares. | SEC filing Filed Apr 14, 2026 |
| Apr 1, 2026 | Planned (10b5-1) | Philip Mazzara (General Counsel and Secretary) sold 10,000 shares at about $107.76 ($1.1M), marked as a 10b5-1 plan trade. Holdings down 8% to 118,084 shares. | SEC filing Filed Apr 3, 2026 |
| Apr 1, 2026 | Planned (10b5-1) | Manuel Alba (Director) sold 183,000 shares indirectly (by trust) at about $107.61 ($19.7M), marked as a 10b5-1 plan trade. Holdings by trust down 10% to 1,424,498 shares. | SEC filing Filed Apr 3, 2026 |
| Mar 17, 2026 | Planned (10b5-1) | Jitendra Mohan (CEO and Director) sold 157,500 shares indirectly (by trust) at about $131.58 ($20.7M), marked as a 10b5-1 plan trade. Holdings by trust down 3% to 4,531,732 shares. | SEC filing Filed Mar 19, 2026 |
| Mar 16, 2026 | Planned (10b5-1) | Jack R. Lazar (Director) sold 2,500 shares at $130.00 ($325K), marked as a 10b5-1 plan trade. Holdings down 3% to 84,851 shares. | SEC filing Filed Mar 17, 2026 |
| Mar 5, 2026 | Planned (10b5-1) | Jack R. Lazar (Director) sold 7,500 shares at about $119.79 ($898K), marked as a 10b5-1 plan trade. Holdings down 8% to 87,351 shares. | SEC filing Filed Mar 9, 2026 |
| Mar 2, 2026 | Planned (10b5-1) | Philip Mazzara (General Counsel and Secretary) sold 10,000 shares at about $117.48 ($1.2M), marked as a 10b5-1 plan trade. Holdings down 7% to 128,084 shares. | SEC filing Filed Mar 4, 2026 |
| Feb 17, 2026 | Sale | Sanjay Gajendra (President / COO and Director) sold 94,971 shares at about $123.81 ($11.8M). Holdings down 6% to 1,531,301 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Feb 19, 2026 |
| Feb 17, 2026 | Sale | Philip Mazzara (General Counsel and Secretary) sold 4,849 shares at about $123.80 ($600K). Holdings down 3% to 138,084 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Feb 19, 2026 |
| Feb 17, 2026 | Sale | Jitendra Mohan (CEO and Director) sold 94,971 shares at about $123.81 ($11.8M). Holdings down 6% to 1,452,739 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Feb 19, 2026 |
| Feb 17, 2026 | Sale | Michael Truett Tate (CFO) sold 12,001 shares at about $123.80 ($1.5M). Holdings down 6% to 192,083 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Feb 19, 2026 |
| Jan 2, 2026 | Planned (10b5-1) | Philip Mazzara (General Counsel and Secretary) sold 10,000 shares at about $178.41 ($1.8M), marked as a 10b5-1 plan trade. Holdings down 7% to 137,040 shares. | SEC filing Filed Jan 6, 2026 |
| Dec 1, 2025 | Planned (10b5-1) | Manuel Alba (Director) sold 33,000 shares indirectly (by entity) at about $166.18 ($5.5M), marked as a 10b5-1 plan trade. Holdings by entity down 9% to 352,863 shares. | SEC filing Filed Dec 3, 2025 |
| Dec 1, 2025 | Planned (10b5-1) | Manuel Alba (Director) sold 150,000 shares indirectly (by trust) at about $166.18 ($24.9M), marked as a 10b5-1 plan trade. Holdings by trust down 9% to 1,574,498 shares. | SEC filing Filed Dec 3, 2025 |
| Nov 20, 2025 | Planned (10b5-1) | Jack R. Lazar (Director) sold 2,500 shares at about $149.55 ($374K), marked as a 10b5-1 plan trade. Holdings down 3% to 94,851 shares. | SEC filing Filed Nov 21, 2025 |
| Nov 17, 2025 | Sale | Sanjay Gajendra (President / COO and Director) sold 90,459 shares at about $144.69 ($13.1M). Holdings down 5% to 1,599,750 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 19, 2025 |
| Nov 17, 2025 | Sale | Philip Mazzara (General Counsel and Secretary) sold 4,620 shares at about $144.69 ($668K). Holdings down 3% to 147,040 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 19, 2025 |
| Nov 17, 2025 | Sale | Jitendra Mohan (CEO and Director) sold 90,459 shares at about $144.69 ($13.1M). Holdings down 4% to 2,080,418 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 19, 2025 |
| Nov 17, 2025 | Sale | Michael Truett Tate (CFO) sold 11,430 shares at about $144.69 ($1.7M). Holdings down 6% to 192,297 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 19, 2025 |
20 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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