Richard Wong - 21 Aug 2026 Form 4 Insider Report for Fastly, Inc. (FSLY)

Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
4
Accepted by SEC
25 Aug 2026, 17:06:43 UTC
Prior SEC filing
20 Aug 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Tara Seracka, Attorney-in-Fact

Key filing fact

Richard Wong filed Form 4 for Fastly, Inc. (FSLY) on 25 Aug 2026.

Key facts

  • This page summarizes Richard Wong's Form 4 filing for Fastly, Inc. (FSLY).
  • 3 reported transactions and 0 derivative rows are listed below.
  • Accepted by SEC: 25 Aug 2026, 17:06.

Change

  • Previous filing in this sequence was filed on 20 Aug 2026.
  • Current net transaction value: -$1,148,288.

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 0002082904 Primary reporting owner

WONG RICHARD

Relationship
CFO
Address
C/O FASTLY, INC., 475 BRANNAN STREET, SUITE 300, SAN FRANCISCO
Signature
/s/ Tara Seracka, Attorney-in-Fact
Signature date
25 Aug 2026

Reported non-derivative transactions

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

FSLY transaction

Class A Common Stock

Sale

Transaction value
$398,452
Shares
-16,855
Change %
-1.5%
Price
$23.64
Shares after
1,074,431
Date
21 Aug 2026
Ownership
Direct
Footnotes
F1, F2
FSLY transaction

Class A Common Stock

Sale

Transaction value
$704,726
Shares
-29,013
Change %
-2.7%
Price
$24.29
Shares after
1,045,418
Date
21 Aug 2026
Ownership
Direct
Footnotes
F1, F3
FSLY transaction

Class A Common Stock

Sale

Transaction value
$45,110
Shares
-1,808
Change %
-0.17%
Price
$24.95
Shares after
1,043,610
Date
21 Aug 2026
Ownership
Direct
Footnotes
F1, F4
* 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 4 footnotes

Footnote F1

The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 22, 2026.

Footnote F2

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $22.94 to $23.935, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2), (3) and (4) to this Form 4.

Footnote F3

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $23.94 to $24.93, inclusive.

Footnote F4

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.94 to $24.96, inclusive.

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