STOCK TITAN

[Form 4] Astera Labs, Inc. Insider Trading Activity

Filing Impact
(High)
Filing Sentiment
(Very Negative)
Form Type
4
Rhea-AI Filing Summary

Astera Labs director Stefan A. Dyckerhoff reported multiple sales of company common stock on 08/07/2025 and 08/08/2025 totaling 52,000 shares. The filings show weighted-average sale prices in ranges reported between $172.50 and $175.86. Following the reported transactions one line reports direct beneficial ownership of 74,154 shares and the filing discloses substantial indirect holdings, including 364,064 shares held by a trust and several ~3,765-share holdings by named entities. The form notes 2,351 shares to be issued upon vesting of restricted stock units and includes standard disclaimers that certain partnership and trust holdings are disclaimed except for pecuniary interest. The Form 4 is signed and dated 08/11/2025.

Il direttore di Astera Labs Stefan A. Dyckerhoff ha segnalato più vendite di azioni ordinarie della società il 08/07/2025 e il 08/08/2025 per un totale di 52,000 azioni. Le comunicazioni mostrano prezzi medi ponderati di vendita in un intervallo compreso tra $172.50 e $175.86. A seguito delle transazioni riportate, una voce indica una titolarità diretta di 74,154 azioni e la dichiarazione rivela importanti partecipazioni indirette, incluse 364,064 azioni detenute da un trust e diverse partecipazioni di circa 3,765 azioni da parte di entità nominate. Il modulo segnala 2,351 azioni che saranno emesse al momento della maturazione delle restricted stock units e include le consuete clausole di esclusione di responsabilità secondo cui alcune partecipazioni in partnership e trust sono escluse, salvo l'interesse pecuniario. Il Form 4 è firmato e datato 08/11/2025.

El director de Astera Labs, Stefan A. Dyckerhoff, informó varias ventas de acciones ordinarias de la empresa el 08/07/2025 y el 08/08/2025, por un total de 52,000 acciones. Los documentos muestran precios medios ponderados de venta en rangos entre $172.50 y $175.86. Tras las transacciones reportadas, una línea indica propiedad directa de 74,154 acciones y la presentación revela participaciones indirectas importantes, incluidas 364,064 acciones mantenidas por un fideicomiso y varias participaciones de aproximadamente 3,765 acciones por entidades nombradas. El formulario señala 2,351 acciones que se emitirán al producirse el vesting de unidades restringidas y contiene las exenciones habituales en las que ciertas participaciones en sociedades y fideicomisos se renuncian salvo por interés pecuniario. El Form 4 está firmado y fechado el 08/11/2025.

Astera Labs 이사 Stefan A. Dyckerhoff08/07/202508/08/2025에 회사 보통주를 총 52,000주 매도했다고 보고했습니다. 제출 서류에는 매도 가중평균 가격이 $172.50에서 $175.86 사이로 기재되어 있습니다. 보고된 거래 이후 한 항목에는 74,154주의 직접적 보유가 보고되었고, 서류는 신탁이 보유한 364,064주를 포함해 상당한 간접 보유와 명시된 여러 기관의 약 3,765주 보유를 공개합니다. 양식에는 제한주식단위(RSU) 확정 시 발행될 2,351주가 명시되어 있으며, 일부 파트너십 및 신탁 보유분은 금전적 이해관계 외에는 포기된다는 표준 면책 조항이 포함되어 있습니다. Form 4는 08/11/2025에 서명 및 기재되었습니다.

Le directeur d'Astera Labs, Stefan A. Dyckerhoff, a déclaré plusieurs ventes d'actions ordinaires de la société les 08/07/2025 et 08/08/2025, pour un total de 52,000 actions. Les dépôts indiquent des prix de vente moyens pondérés compris entre $172.50 et $175.86. Suite aux opérations déclarées, une ligne fait état d'une détention bénéficiaire directe de 74,154 actions et la déclaration révèle des participations indirectes substantielles, notamment 364,064 actions détenues par une fiducie et plusieurs participations d'environ 3,765 actions par des entités nommées. Le formulaire mentionne 2,351 actions devant être émises lors de la levée des unités d'actions restreintes et inclut les clauses de non-responsabilité habituelles précisant que certaines participations de partenariats et de fiducies sont déclinées sauf pour intérêt pécuniaire. Le Form 4 est signé et daté 08/11/2025.

Der Direktor von Astera Labs, Stefan A. Dyckerhoff, meldete mehrere Verkäufe von Stammaktien des Unternehmens am 08/07/2025 und 08/08/2025 in Höhe von insgesamt 52,000 Aktien. Die Meldungen weisen gewichtete Durchschnittsverkaufspreise in Spannen zwischen $172.50 und $175.86 aus. Nach den gemeldeten Transaktionen verzeichnet eine Zeile eine direkte wirtschaftliche Eigentümerschaft von 74,154 Aktien, und die Einreichung legt erhebliche indirekte Bestände offen, darunter 364,064 Aktien, die von einem Trust gehalten werden, sowie mehrere etwa 3,765-Aktien-Beteiligungen durch namentlich genannte Stellen. Im Formular sind 2,351 Aktien aufgeführt, die bei der Vesting von Restricted Stock Units ausgegeben werden sollen, und es enthält die üblichen Haftungsausschlüsse, wonach bestimmte Beteiligungen an Partnerschaften und Trusts mit Ausnahme eines pecuniären Interesses zurückgewiesen werden. Das Form 4 ist unterschrieben und datiert 08/11/2025.

Positive
  • Timely, detailed disclosure of multiple transactions with weighted-average price footnotes and a signed Form 4 dated 08/11/2025
  • Substantial retained interest via indirect holdings, including a trust holding of 364,064 shares, indicating the reporting person remains economically invested
Negative
  • Insider sales totaling 52,000 shares executed on 08/07/2025 and 08/08/2025, a material volume that may attract investor attention
  • Direct beneficial ownership reduced in the filing to reported post-transaction figures such as 74,154 shares on 08/08/2025

Insights

TL;DR: Director conducted sizable open-market sales but continues to report significant indirect stake; disclosure is complete and timely.

The report documents 52,000 shares sold over two days at weighted-average prices within the $172.50–$175.86 range. From a market-sentiment perspective, concurrent sales of this magnitude can attract attention, yet the filer retains material indirect holdings—most notably 364,064 shares held by a trust—and the filing discloses 2,351 RSU-related shares to be issued. The disclosure is explicit about the nature of indirect ownership and includes requisite footnotes on weighted-average pricing, supporting transparency for investors evaluating insider activity.

TL;DR: Significant director sales occurred and reduce direct holdings; governance watchers may view the transactions as notable but the filer maintains large indirect positions.

The Form 4 shows multiple sales on 08/07/2025 and 08/08/2025 that together amount to 52,000 shares, with explicit weighted-average price ranges provided in footnotes. One reported post-transaction direct holding is 74,154 shares while several trust and partnership entries indicate retained indirect ownership. The filing also contains standard disclaimers about beneficial ownership and provides commitment to furnish breakdowns of sales by price when requested, which aids regulatory and governance review.

Il direttore di Astera Labs Stefan A. Dyckerhoff ha segnalato più vendite di azioni ordinarie della società il 08/07/2025 e il 08/08/2025 per un totale di 52,000 azioni. Le comunicazioni mostrano prezzi medi ponderati di vendita in un intervallo compreso tra $172.50 e $175.86. A seguito delle transazioni riportate, una voce indica una titolarità diretta di 74,154 azioni e la dichiarazione rivela importanti partecipazioni indirette, incluse 364,064 azioni detenute da un trust e diverse partecipazioni di circa 3,765 azioni da parte di entità nominate. Il modulo segnala 2,351 azioni che saranno emesse al momento della maturazione delle restricted stock units e include le consuete clausole di esclusione di responsabilità secondo cui alcune partecipazioni in partnership e trust sono escluse, salvo l'interesse pecuniario. Il Form 4 è firmato e datato 08/11/2025.

El director de Astera Labs, Stefan A. Dyckerhoff, informó varias ventas de acciones ordinarias de la empresa el 08/07/2025 y el 08/08/2025, por un total de 52,000 acciones. Los documentos muestran precios medios ponderados de venta en rangos entre $172.50 y $175.86. Tras las transacciones reportadas, una línea indica propiedad directa de 74,154 acciones y la presentación revela participaciones indirectas importantes, incluidas 364,064 acciones mantenidas por un fideicomiso y varias participaciones de aproximadamente 3,765 acciones por entidades nombradas. El formulario señala 2,351 acciones que se emitirán al producirse el vesting de unidades restringidas y contiene las exenciones habituales en las que ciertas participaciones en sociedades y fideicomisos se renuncian salvo por interés pecuniario. El Form 4 está firmado y fechado el 08/11/2025.

Astera Labs 이사 Stefan A. Dyckerhoff08/07/202508/08/2025에 회사 보통주를 총 52,000주 매도했다고 보고했습니다. 제출 서류에는 매도 가중평균 가격이 $172.50에서 $175.86 사이로 기재되어 있습니다. 보고된 거래 이후 한 항목에는 74,154주의 직접적 보유가 보고되었고, 서류는 신탁이 보유한 364,064주를 포함해 상당한 간접 보유와 명시된 여러 기관의 약 3,765주 보유를 공개합니다. 양식에는 제한주식단위(RSU) 확정 시 발행될 2,351주가 명시되어 있으며, 일부 파트너십 및 신탁 보유분은 금전적 이해관계 외에는 포기된다는 표준 면책 조항이 포함되어 있습니다. Form 4는 08/11/2025에 서명 및 기재되었습니다.

Le directeur d'Astera Labs, Stefan A. Dyckerhoff, a déclaré plusieurs ventes d'actions ordinaires de la société les 08/07/2025 et 08/08/2025, pour un total de 52,000 actions. Les dépôts indiquent des prix de vente moyens pondérés compris entre $172.50 et $175.86. Suite aux opérations déclarées, une ligne fait état d'une détention bénéficiaire directe de 74,154 actions et la déclaration révèle des participations indirectes substantielles, notamment 364,064 actions détenues par une fiducie et plusieurs participations d'environ 3,765 actions par des entités nommées. Le formulaire mentionne 2,351 actions devant être émises lors de la levée des unités d'actions restreintes et inclut les clauses de non-responsabilité habituelles précisant que certaines participations de partenariats et de fiducies sont déclinées sauf pour intérêt pécuniaire. Le Form 4 est signé et daté 08/11/2025.

Der Direktor von Astera Labs, Stefan A. Dyckerhoff, meldete mehrere Verkäufe von Stammaktien des Unternehmens am 08/07/2025 und 08/08/2025 in Höhe von insgesamt 52,000 Aktien. Die Meldungen weisen gewichtete Durchschnittsverkaufspreise in Spannen zwischen $172.50 und $175.86 aus. Nach den gemeldeten Transaktionen verzeichnet eine Zeile eine direkte wirtschaftliche Eigentümerschaft von 74,154 Aktien, und die Einreichung legt erhebliche indirekte Bestände offen, darunter 364,064 Aktien, die von einem Trust gehalten werden, sowie mehrere etwa 3,765-Aktien-Beteiligungen durch namentlich genannte Stellen. Im Formular sind 2,351 Aktien aufgeführt, die bei der Vesting von Restricted Stock Units ausgegeben werden sollen, und es enthält die üblichen Haftungsausschlüsse, wonach bestimmte Beteiligungen an Partnerschaften und Trusts mit Ausnahme eines pecuniären Interesses zurückgewiesen werden. Das Form 4 ist unterschrieben und datiert 08/11/2025.

SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Dyckerhoff Stefan A

(Last) (First) (Middle)
755 PAGE MILL ROAD, SUITE A-200

(Street)
PALO ALTO CA 94304-1005

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Astera Labs, Inc. [ ALAB ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
08/07/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 08/07/2025 S 10,940 D $172.8563(1) 113,214(2) D
Common Stock 08/07/2025 S 438 D $172.8563(1) 9,498 I By Limited Partnership (TF)(3)
Common Stock 08/07/2025 S 13,963 D $173.8568(4) 99,251(2) D
Common Stock 08/07/2025 S 559 D $173.8568(4) 8,939 I By Limited Partnership (TF)(3)
Common Stock 08/07/2025 S 97 D $174.52 99,154(2) D
Common Stock 08/07/2025 S 3 D $174.52 8,936 I By Limited Partnership (TF)(3)
Common Stock 08/08/2025 S 25,000 D $175.2591(5) 74,154(2) D
Common Stock 08/08/2025 S 1,000 D $175.2591(5) 7,936 I By Limited Partnership (TF)(3)
Common Stock 3,767 I By DIFT-2(6)
Common Stock 3,765 I By DIFT-AMD(6)
Common Stock 3,765 I By DIFT-BAD(6)
Common Stock 3,765 I By DIFT-SHD(6)
Common Stock 3,765 I By DIFT-IND(6)
Common Stock 364,064 I By Trust(7)
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Explanation of Responses:
1. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $172.50 to $173.50 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
2. Includes 2,351 shares to be issued in connection with the vesting of restricted stock units. The Reporting Person shares pecuniary interest in such shares with other parties pursuant to contractual relationships. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest in these shares.
3. Shares held by a limited partnership of which the Reporting Person is a trustee of a trust which is the general partner. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest therein.
4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $173.515 to $174.405 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $175.07 to $175.86 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
6. Shares held by an irrevocable trust of which the Reporting Person is a Trustee. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest therein.
7. Shares held by a trust of which the Reporting Person is a Trustee. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest therein.
/s/ Kanwalpreet S. Kalra, Attorney-in-Fact 08/11/2025
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did the Astera Labs (ALAB) Form 4 filed by Stefan A. Dyckerhoff report?

The Form 4 reports that director Stefan A. Dyckerhoff sold shares on 08/07/2025 and 08/08/2025, with total reported sales of 52,000 shares and weighted-average prices noted in footnotes.

How many ALAB shares were sold and at what price range?

The filing shows 52,000 shares sold across the two dates with weighted-average sale prices and footnote ranges between $172.50 and $175.86.

How many ALAB shares does the filing show Dyckerhoff still beneficially owns?

The Form 4 shows post-transaction direct beneficial ownership figures such as 74,154 shares and discloses indirect holdings including 364,064 shares held by a trust.

Are any additional shares to be issued to the reporting person?

Yes. The filing explicitly states that 2,351 shares are to be issued in connection with the vesting of restricted stock units.

When was the Form 4 signed and filed?

The signature block on the form is dated 08/11/2025 and is signed by an Attorney-in-Fact on behalf of the reporting person.
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