Company: FSLY
Filing Date: 2025-12-08
Form Type: 8-A12B
Source: 0001140361-25-044855
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Company: Fastly, Inc.
Filing Date: 2025-12-08
Form: 8-A12B
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UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 FASTLY, INC. (Exact name of registrant as specified in its charter)

| Delaware                                                      |     | 27-5411834                         |
| (State or other jurisdictionof incorporation or organization) |     | -I.R.S. EmployerIdentification No. |

| 475 Brannan Street, Suite 300            
 San Francisco, California                |     |     94107 |
| (Address of principal executive offices) |     | -Zip Code |

Securities to be registered pursuant to Section 12(b) of the Act:

| Title of each class to be so registered            | Name of each exchange on which each class is to be registered |
| Class A Common Stock, $0.00002 par value per share | The Nasdaq Stock Market LLC                                   |

If this form relates to the registration of a class of securities pursuant to Section 12(b) of the Exchange Act and is effective pursuant to General Instruction A.(c) or (e), please check the following box. ☒ If this form relates to the registration of a class of securities pursuant to Section 12(g) of the Exchange Act and is effective pursuant to General Instruction A.(d) or (e), please check the following box. ☐ If this form relates to the registration of a class of securities concurrently with a Regulation A offering, check the following box. ☐ Securities Act registration statement or Regulation A offering statement file number to which this form relates (if applicable): N/A Securities to be registered pursuant to Section 12(g) of the Act: None (Title of Class) EXPLANATORY NOTE Fastly, Inc. (the “Company,” “Fastly,” “our,” “we,” and “us”) is filing this Registration Statement on Form 8-A in connection with the transfer of our Class A common stock, par value $0.00002 per share (our “Class A Common Stock”), trading under the symbol “FSLY” to The Nasdaq Stock Market LLC (“Nasdaq”) from the New York Stock Exchange (“NYSE”). We expect the listing and trading of our Class A Common Stock on the NYSE to cease at the close of trading on December 8, 2025 and the listing