William Joseph Brennan - 19 Oct 2026 Form 4 Insider Report for Credo Technology Group Holding Ltd (CRDO)

Reporting relationship: Pres & Chief Executive Officer, Director
Issuer ticker: CRDO
Reported as of: 19 Oct 2026
Net transaction value: -$2,914,306
SEC form: 4
Accepted by SEC: 21 Oct 2026, 16:13:51 UTC
Prior SEC filing: 06 Oct 2026
Source filing: View source filing
Reporting owner signature: /s/ James Laufman, attorney-in-fact

Filing notes and source

Key filing fact

William Joseph Brennan filed Form 4 for Credo Technology Group Holding Ltd (CRDO) on 21 Oct 2026.

Key facts

This page summarizes William Joseph Brennan's Form 4 filing for Credo Technology Group Holding Ltd (CRDO).
11 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 21 Oct 2026, 16:13.

Change

Previous filing in this sequence was filed on 06 Oct 2026.
Current net transaction value: -$2,914,306.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001896237 Primary reporting owner

Brennan William Joseph

Relationship: Pres & Chief Executive Officer, Director
Address: 110 RIO ROBLES, SAN JOSE
Signature: /s/ James Laufman, attorney-in-fact
Signature date: 21 Oct 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CRDO transaction

Ordinary Shares

Sale

Transaction value: -$131,029
Shares: -769
Change %: -0.05%
Price: $170.39
Shares after: 1,600,061
Date: 19 Oct 2026
Ownership: The Brennan Family Trust, DTD 09/06/2002
Footnotes: F1, F2, F3

CRDO transaction

Ordinary Shares

Sale

Transaction value: -$97,409
Shares: -568
Change %: -0.04%
Price: $171.50
Shares after: 1,599,493
Date: 19 Oct 2026
Ownership: The Brennan Family Trust, DTD 09/06/2002
Footnotes: F1, F3, F4

CRDO transaction

Ordinary Shares

Sale

Transaction value: -$464,823
Shares: -2,694
Change %: -0.17%
Price: $172.54
Shares after: 1,596,799
Date: 19 Oct 2026
Ownership: The Brennan Family Trust, DTD 09/06/2002
Footnotes: F1, F3, F5

CRDO transaction

Ordinary Shares

Sale

Transaction value: -$552,357
Shares: -3,186
Change %: -0.2%
Price: $173.37
Shares after: 1,593,613
Date: 19 Oct 2026
Ownership: The Brennan Family Trust, DTD 09/06/2002
Footnotes: F1, F3, F6

CRDO transaction

Ordinary Shares

Sale

Transaction value: -$452,294
Shares: -2,592
Change %: -0.16%
Price: $174.50
Shares after: 1,591,021
Date: 19 Oct 2026
Ownership: The Brennan Family Trust, DTD 09/06/2002
Footnotes: F1, F3, F7

CRDO transaction

Ordinary Shares

Sale

Transaction value: -$284,791
Shares: -1,624
Change %: -0.1%
Price: $175.36
Shares after: 1,589,397
Date: 19 Oct 2026
Ownership: The Brennan Family Trust, DTD 09/06/2002
Footnotes: F1, F3, F8

CRDO transaction

Ordinary Shares

Sale

Transaction value: -$262,771
Shares: -1,490
Change %: -0.09%
Price: $176.36
Shares after: 1,587,907
Date: 19 Oct 2026
Ownership: The Brennan Family Trust, DTD 09/06/2002
Footnotes: F1, F3, F9

CRDO transaction

Ordinary Shares

Sale

Transaction value: -$218,607
Shares: -1,232
Change %: -0.08%
Price: $177.44
Shares after: 1,586,675
Date: 19 Oct 2026
Ownership: The Brennan Family Trust, DTD 09/06/2002
Footnotes: F1, F3, F10

CRDO transaction

Ordinary Shares

Sale

Transaction value: -$197,810
Shares: -1,109
Change %: -0.07%
Price: $178.37
Shares after: 1,585,566
Date: 19 Oct 2026
Ownership: The Brennan Family Trust, DTD 09/06/2002
Footnotes: F1, F3, F11

CRDO transaction

Ordinary Shares

Sale

Transaction value: -$85,728
Shares: -478
Change %: -0.03%
Price: $179.35
Shares after: 1,585,088
Date: 19 Oct 2026
Ownership: The Brennan Family Trust, DTD 09/06/2002
Footnotes: F1, F3, F12

CRDO transaction

Ordinary Shares

Sale

Transaction value: -$166,686
Shares: -924
Change %: -0.06%
Price: $180.40
Shares after: 1,584,164
Date: 19 Oct 2026
Ownership: The Brennan Family Trust, DTD 09/06/2002
Footnotes: F1, F3, F13

CRDO holding

Ordinary Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 75,000
Date: 19 Oct 2026
Ownership: William Brennan 2026 GRAT
Footnotes: F3

CRDO holding

Ordinary Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 75,000
Date: 19 Oct 2026
Ownership: Laurie Brennan 2026 GRAT
Footnotes: F3

CRDO holding

Ordinary Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 354,182
Date: 19 Oct 2026
Ownership: Direct

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 13 footnotes

Footnote F1

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 10, 2026.

Footnote F2

This transaction was executed in multiple trades at prices ranging from $169.99 to $170.85. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Footnote F3

The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

Footnote F4

This transaction was executed in multiple trades at prices ranging from $171.20 to $171.85. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Footnote F5

This transaction was executed in multiple trades at prices ranging from $172.03 to $172.97. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Footnote F6

This transaction was executed in multiple trades at prices ranging from $172.99 to $173.95. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Footnote F7

This transaction was executed in multiple trades at prices ranging from $174.07 to $174.97. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Footnote F8

This transaction was executed in multiple trades at prices ranging from $174.99 to $175.93. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Footnote F9

This transaction was executed in multiple trades at prices ranging from $176.01 to $176.83. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Footnote F10

This transaction was executed in multiple trades at prices ranging from $176.99 to $177.93. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Footnote F11

This transaction was executed in multiple trades at prices ranging from $178.01 to $178.91. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Footnote F12

This transaction was executed in multiple trades at prices ranging from $179.01 to $179.79. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Footnote F13

This transaction was executed in multiple trades at prices ranging from $179.99 to $180.93. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.