ALAB · Insider Trading

Astera Labs, Inc. Common Stock

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Every open-market purchase and sale reported by ALAB officers, directors and 10%+ beneficial owners on SEC Form 4, which must be filed within two business days of the transaction. Sales often reflect scheduled 10b5-1 plans or tax withholding rather than a directional view, so read counts alongside the size and the filer.

Form 4 Filings

most recent

Open-Market Buys

code P

Sales

code S

Reporting Insiders

current holders

ALAB — Recent Form 4 Transactions (latest 2026-10-09)

Filed	Insider	Role	Type	Shares	Value
2026-10-09	Michael E. Hurlston	Director	A	+72	+$22.43K
2026-10-09	Craig H Barratt	Director	A	+68	+$21.19K
2026-10-09	Stefan A Dyckerhoff	Director	MIXED	−12,431	−$4.68M
2026-09-03	Stefan A Dyckerhoff	Director	Sell	−12,499	−$3.44M
2026-09-03	Manuel Alba	Director	Sell	−183,000	−$51.26M
2026-08-19	Philip Mazzara	General Counsel and Secretary	Sell	−6,801	−$2.32M
2026-08-19	Sanjay Gajendra	President and COO	Sell	−90,630	−$30.85M
2026-08-19	Jitendra Mohan	Chief Executive Officer	Sell	−90,630	−$30.85M
2026-08-10	Stefan A Dyckerhoff	Director	Sell	−12,499	−$3.90M
2026-07-22	Germaine Cota	Chief Accting. Off. & VP, Fin.	A	+1,451	—
2026-07-06	Manuel Alba	Director	Sell	−8,491	−$3.89M
2026-07-06	Manuel Alba	Director	Sell	−37,535	−$16.79M
2026-07-06	Manuel Alba	Director	Sell	−136,974	−$60.54M
2026-07-02	Stefan A Dyckerhoff	Director	Sell	−12,499	−$5.62M
2026-06-26	Bethany Mayer	Director	Sell	−686	−$271.00K
2026-06-08	Jack R Lazar	Director	MIXED	−9,163	−$3.55M
2026-06-08	Bethany Mayer	Director	A	+837	—
2026-06-08	Michael E. Hurlston	Director	A	+837	—
2026-06-08	Craig H Barratt	Director	A	+837	—
2026-06-05	Stefan A Dyckerhoff	Director	MIXED	−11,662	−$4.55M
2026-05-26	Philip Mazzara	General Counsel and Secretary	Sell	−796	−$231.66K
2026-05-26	Sanjay Gajendra	President and COO	MIXED	−400,000	−$116.12M
2026-05-21	Sanjay Gajendra	President and COO	Sell	−280,000	−$69.77M
2026-05-20	Jitendra Mohan	Chief Executive Officer	Sell	−139,951	−$31.30M
2026-05-20	Philip Mazzara	General Counsel and Secretary	Sell	−14,076	−$3.26M
2026-05-20	Sanjay Gajendra	President and COO	Sell	−95,444	−$21.48M
2026-05-20	Jitendra Mohan	Chief Executive Officer	Sell	−95,444	−$21.48M
2026-05-18	Philip Mazzara	General Counsel and Secretary	A	+131	+$15.74K
2026-05-11	Stefan A Dyckerhoff	Director	Sell	−12,499	−$2.50M
2026-05-11	Jitendra Mohan	Chief Executive Officer	Sell	−139,951	−$28.01M
2026-05-11	Sanjay Gajendra	President and COO	Sell	−230,639	−$45.72M
2026-05-11	Sanjay Gajendra	President and COO	Sell	−49,361	−$9.83M
2026-05-05	Desmond Lynch	Chief Financial Officer	A	+49,584	—
2026-04-21	Stefan A Dyckerhoff	Director	Sell	−24,998	−$4.38M
2026-04-21	Jitendra Mohan	Chief Executive Officer	Sell	−335,881	−$57.85M
2026-04-16	Jitendra Mohan	Chief Executive Officer	Sell	−2,967	−$518.04K
2026-04-14	Jitendra Mohan	Chief Executive Officer	Sell	−123,750	−$18.52M
2026-04-03	Philip Mazzara	General Counsel and Secretary	Sell	−10,000	−$1.08M
2026-04-03	Manuel Alba	Director	Sell	−183,000	−$19.69M
2026-03-19	Jitendra Mohan	Chief Executive Officer	Sell	−157,500	−$20.72M
2026-03-17	Jack R Lazar	Director	Sell	−2,500	−$325.00K
2026-03-09	Jack R Lazar	Director	Sell	−7,500	−$898.47K
2026-03-04	Philip Mazzara	General Counsel and Secretary	Sell	−10,000	−$1.17M
2026-02-19	Philip Mazzara	General Counsel and Secretary	Sell	−4,849	−$600.33K
2026-02-19	Michael Truett Tate	Chief Financial Officer	Sell	−12,001	−$1.49M
2026-02-19	Sanjay Gajendra	President and COO	Sell	−94,971	−$11.76M
2026-02-19	Jitendra Mohan	Chief Executive Officer	Sell	−94,971	−$11.76M
2026-02-10	Philip Mazzara	General Counsel and Secretary	A	+5,893	—
2026-02-10	Jitendra Mohan	Chief Executive Officer	A	+26,522	—
2026-02-10	Sanjay Gajendra	President and COO	A	+26,522	—

ALAB — Current Insider Holders

Insider	Role	Shares Held	Value
Jitendra Mohan	Chief Executive Officer	2,015,841	$576.17M
Sanjay Gajendra	President and COO	1,820,000	$520.19M
Manuel Alba	Director	1,137,976	$325.26M
Michael Truett Tate	Chief Financial Officer	643,525	$183.93M
Philip Mazzara	General Counsel and Secretary	100,500	$28.72M
Michael E. Hurlston	Director	92,554	$26.45M
Jack R Lazar	Director	77,775	$22.23M
Stefan A Dyckerhoff	Director	50,786	$14.52M
Desmond Lynch	Chief Financial Officer	42,501	$12.15M
Germaine Cota	Chief Accting. Off. & VP, Fin.	26,440	$7.56M
Craig H Barratt	Director	6,893	$1.97M
Bethany Mayer	Director	6,389	$1.83M

ALAB Insider Trading FAQ

Who are the insiders at ALAB?

12 officers, directors and 10%+ beneficial owners currently report holdings in ALAB via SEC Form 4.

Are ALAB insiders buying or selling?

Across the 50 most recent Form 4 filings for ALAB, 0 were open-market purchases (code P) and 35 were sales (code S). Sales frequently reflect scheduled 10b5-1 plans or tax withholding rather than a view on the stock.

How current is ALAB insider data?

Form 4 must be filed within two business days of the transaction, so this is close to real time. The most recent ALAB filing is dated 2026-10-09.

How to read Form 4 activity

Form 4 reports a change in beneficial ownership by an officer, director or 10%+ holder, and must be filed within two business days of the transaction — so this is close to real time, unlike the 45-day-lagged 13F institutional data.

Transaction codes matter more than the raw buy/sell count. Code P is an open-market purchase — an insider choosing to buy with their own money, which is the signal most research treats as informative. Code S is a sale, but sales are frequently pre-scheduled under a 10b5-1 plan or cover tax withholding on vesting equity, so a run of sales often says nothing directional. Codes A and M are grants and option exercises rather than open-market decisions.

Full filing history and per-insider positions are on the ALAB quote page; the site-wide leaderboard is on the insider transactions hub.