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Fastly (FSLY) CTO and director reports 3,222-share Rule 10b5-1 stock sale

Filing Impact
(Neutral)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

Fastly, Inc. director and Chief Technology Officer Artur Bergman reported a small planned sale of company stock. On 12/02/2025, 3,222 shares of Fastly Class A common stock were sold at a weighted average price of $12.51 per share under a Rule 10b5-1 trading plan adopted on June 3, 2025. The transaction changed the form of ownership for these shares from direct to indirect through The Per Artur Bergman Revocable Trust.

After this transaction, Bergman beneficially owns 2,890,579 shares directly, and additional Class A shares indirectly through several trusts where he serves as settlor, trustee, sole beneficiary, or investment advisor, including The Per Artur Bergman Revocable Trust and multiple remainder and grantor retained annuity trusts.

Positive

  • None.

Negative

  • None.
Insider Bergman Artur
Role Chief Technology Officer
Sold 3,222 shs ($40K)
Type Security Shares Price Value
Sale Class A Common Stock 3,222 $12.51 $40K
holding Class A Common Stock -- -- --
holding Class A Common Stock -- -- --
holding Class A Common Stock -- -- --
holding Class A Common Stock -- -- --
holding Class A Common Stock -- -- --
holding Class A Common Stock -- -- --
Holdings After Transaction: Class A Common Stock — 2,890,579 shares (Direct); Class A Common Stock — 2,500,558 shares (Indirect, See Foonote)
Footnotes (1)
  1. The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025. The shares were sold by the Per Artur Bergman Revocable Trust, to which the reporting person contributed 3,222 shares of common stock of the Issuer in a transaction that resulted in a change in the form of beneficial ownership from direct to indirect. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.50 to $12.58. 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 range set forth in footnote (3) to this Form 4. The shares are held by The Per Artur Bergman Revocable Trust, of which the reporting person is settlor, sole trustee, and sole beneficiary. The shares are held by The Artur Bergman Remainder Trust One DTD 5/2/2019, of which the reporting person is the investment advisor. The shares are held by The Artur Bergman Remainder Trust Three DTD 5/2/2019, of which the reporting person is the investment advisor. The shares are held by The Per Artur Bergman Grantor Retained Annuity Trust No. 3, of which the reporting person is trustee. The shares are held by The Per Artur Bergman Grantor Retained Annuity Trust No. 4, of which the reporting person is trustee. The shares are held by The PAB 2021 Remainder Trust, of which the reporting person is the investment advisor.
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Form 4 Insider Transactions: What Each Field Means →
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).
X
 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*
Bergman Artur
(Last) (First) (Middle)
C/O FASTLY, INC.
475 BRANNAN STREET, SUITE 300
(Street)
SAN FRANCISCO CA 94107
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Fastly, Inc. [ FSLY ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
X Officer (give title below) Other (specify below)
Chief Technology Officer
3. Date of Earliest Transaction (Month/Day/Year)
12/02/2025
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
Class A Common Stock 12/02/2025 S(1) 3,222(2) D $12.51(3) 2,890,579 D
Class A Common Stock 2,500,558 I See Foonote(4)
Class A Common Stock 840,005 I See Footnote(5)
Class A Common Stock 109,686 I See Footnote(6)
Class A Common Stock 50,481 I See Footnote(7)
Class A Common Stock 792,998 I See Footnote(8)
Class A Common Stock 156,521 I See Footnote(9)
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 sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.
2. The shares were sold by the Per Artur Bergman Revocable Trust, to which the reporting person contributed 3,222 shares of common stock of the Issuer in a transaction that resulted in a change in the form of beneficial ownership from direct to indirect.
3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.50 to $12.58. 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 range set forth in footnote (3) to this Form 4.
4. The shares are held by The Per Artur Bergman Revocable Trust, of which the reporting person is settlor, sole trustee, and sole beneficiary.
5. The shares are held by The Artur Bergman Remainder Trust One DTD 5/2/2019, of which the reporting person is the investment advisor.
6. The shares are held by The Artur Bergman Remainder Trust Three DTD 5/2/2019, of which the reporting person is the investment advisor.
7. The shares are held by The Per Artur Bergman Grantor Retained Annuity Trust No. 3, of which the reporting person is trustee.
8. The shares are held by The Per Artur Bergman Grantor Retained Annuity Trust No. 4, of which the reporting person is trustee.
9. The shares are held by The PAB 2021 Remainder Trust, of which the reporting person is the investment advisor.
Remarks:
/s/ Tara Seracka, Attorney-in-Fact 12/04/2025
** 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.

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did Fastly (FSLY) report in this Form 4?

Fastly reported that director and Chief Technology Officer Artur Bergman sold 3,222 shares of Class A common stock on 12/02/2025 at a weighted average price of $12.51 per share.

Was the Fastly (FSLY) insider sale made under a Rule 10b5-1 plan?

Yes. The sale of 3,222 Fastly Class A shares was effected pursuant to a Rule 10b5-1 trading plan that Artur Bergman adopted on June 3, 2025.

How did the Form 4 change Artur Bergman’s beneficial ownership in Fastly (FSLY)?

The transaction involved contributing 3,222 shares to The Per Artur Bergman Revocable Trust, changing the form of beneficial ownership from direct to indirect, while Bergman continues to report substantial direct and indirect holdings.

What price range were the Fastly (FSLY) shares sold for in this Form 4?

The weighted average sale price was $12.51 per share. The shares were sold in multiple trades at prices ranging from $12.50 to $12.58 per share.

What is Artur Bergman’s role at Fastly (FSLY)?

Artur Bergman is reported as both a Director and an Officer of Fastly, serving as the company’s Chief Technology Officer.

Which entities now hold the indirectly owned Fastly (FSLY) shares for Artur Bergman?

The indirectly held shares are spread across several trusts, including The Per Artur Bergman Revocable Trust, multiple Artur Bergman Remainder Trusts, Grantor Retained Annuity Trusts, and The PAB 2021 Remainder Trust, where Bergman acts as settlor, trustee, sole beneficiary, or investment advisor.