Per Bergman reports 4.69% Fastly (NYSE: FSLY) ownership

Rhea-AI Filing Summary

Fastly, Inc. received an amended Schedule 13G/A from founder Per Artur Bergman and related trusts reporting their beneficial ownership of the company’s Class A common stock. As of December 31, 2025, they beneficially owned 7,111,164 shares, representing 4.69% of the Class A shares outstanding.

This total includes shares held directly by Mr. Bergman, multiple revocable, remainder, and grantor retained annuity trusts, as well as 59,083 shares issuable upon vesting of restricted stock units and options to purchase 376,460 shares exercisable within 60 days of that date. The percentage is based on 151,537,271 Class A shares outstanding.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 5)

Fastly, Inc.

(Name of Issuer)

Class A Common Stock, par value $0.00002 per share

(Title of Class of Securities)

31188V100

(CUSIP Number)

12/31/2025

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13G

CUSIP No. 31188V100

1

Names of Reporting Persons

Per Artur Bergman

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

SWEDEN

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 7,111,164.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 7,111,164.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

7,111,164.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

4.69 %

12

Type of Reporting Person (See Instructions)

IN

Comment for Type of Reporting Person: Consists of (i) 2,225,372 shares of Class A common stock held by Mr. Bergman, (ii) 2,500,558 shares of Class A common stock held by The Per Artur Bergman Revocable Trust, of which the reporting person is settlor, sole trustee, and sole beneficiary, (iii) 840,005 shares of Class A common stock held by The Artur Bergman Remainder Trust One DTD 5/2/2019, of which the reporting person is the investment advisor, (iv) 109,686 shares of Class A common stock held by The Artur Bergman Remainder Trust Three DTD 5/2/2019, of which the reporting person is the investment advisor, (v) 50,481 shares of Class A common stock held by The Per Artur Bergman Grantor Retained Annuity Trust No. 3, of which the reporting person is trustee, (vi) 792,998 shares of Class A common stock held by The Per Artur Bergman Grantor Retained Annuity Trust No. 4, of which the reporting person is trustee, (vii) 156,521 shares of Class A common stock held by The PAB 2021 Remainder Trust, of which the reporting person is the investment advisor, (viii) 59,083 shares of Class A common stock issuable upon the vesting of restricted stock units within 60 days of December 31, 2025 and (ix) options to purchase 376,460 shares of Class A common stock, which are exercisable within 60 days of December 31, 2025. The percent of class was calculated based on 151,537,271 outstanding shares of Class A common stock as of December 31, 2025.

SCHEDULE 13G

CUSIP No. 31188V100

1

Names of Reporting Persons

The Per Artur Bergman Revocable Trust

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

COLORADO

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 2,500,558.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 2,500,558.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

2,500,558.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

1.65 %

12

Type of Reporting Person (See Instructions)

OO

Comment for Type of Reporting Person: The percent of class was calculated based on 151,537,271 outstanding shares of Class A common stock as of December 31, 2025.

SCHEDULE 13G

CUSIP No. 31188V100

1

Names of Reporting Persons

The Artur Bergman Remainder Trust One DTD 5/2/2019

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 840,005.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 840,005.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

840,005.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

0.55 %

12

Type of Reporting Person (See Instructions)

OO

Comment for Type of Reporting Person: The percent of class was calculated based on 151,537,271 outstanding shares of Class A common stock as of December 31, 2025.

SCHEDULE 13G

CUSIP No. 31188V100

1

Names of Reporting Persons

The Artur Bergman Remainder Trust Three DTD 5/2/2019

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 109,686.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 109,686.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

109,686.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

0.07 %

12

Type of Reporting Person (See Instructions)

OO

Comment for Type of Reporting Person: The percent of class was calculated based on 151,537,271 outstanding shares of Class A common stock as of December 31, 2025.

SCHEDULE 13G

CUSIP No. 31188V100

1

Names of Reporting Persons

The Per Artur Bergman Grantor Retained Annuity Trust No. 3

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

COLORADO

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 50,481.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 50,481.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

50,481.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

0.03 %

12

Type of Reporting Person (See Instructions)

OO

Comment for Type of Reporting Person: The percent of class was calculated based on 151,537,271 outstanding shares of Class A common stock as of December 31, 2025.

SCHEDULE 13G

CUSIP No. 31188V100

1

Names of Reporting Persons

The Per Artur Bergman Grantor Retained Annuity Trust No. 4

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

COLORADO

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 792,998.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 792,998.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

792,998.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

0.52 %

12

Type of Reporting Person (See Instructions)

OO

Comment for Type of Reporting Person: The percent of class was calculated based on 151,537,271 outstanding shares of Class A common stock as of December 31, 2025.

SCHEDULE 13G

CUSIP No. 31188V100

1

Names of Reporting Persons

The PAB 2021 Remainder Trust

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 156,521.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 156,521.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

156,521.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

0.10 %

12

Type of Reporting Person (See Instructions)

OO

Comment for Type of Reporting Person: The percent of class was calculated based on 151,537,271 outstanding shares of Class A common stock as of December 31, 2025.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Fastly, Inc.
(b)	Address of issuer's principal executive offices: 475 Brannan Street, Suite 300, San Francisco, CA 94107
Item 2.
(a)	Name of person filing: Per Artur Bergman The Per Artur Bergman Revocable Trust ("Revocable Trust") The Artur Bergman Remainder Trust One DTD 5/2/2019 ("Trust One") The Artur Bergman Remainder Trust Three DTD 5/2/2019 ("Trust Three") The Per Artur Bergman Grantor Retained Annuity Trust No. 3 ("Annuity Trust No. 3") The Per Artur Bergman Grantor Retained Annuity Trust No. 4 ("Annuity Trust No. 4") The PAB 2021 Remainder Trust ("Remainder Trust")
(b)	Address or principal business office or, if none, residence: c/o Fastly, Inc. 475 Brannan Street Suite 300 San Francisco, CA 94107
(c)	Citizenship: Per Artur Bergman - Sweden Revocable Trust - Colorado Trust One - Delaware Trust Three - Delaware Annuity Trust No. 3 - Colorado Annuity Trust No. 4 - Colorado Remainder Trust - Delaware
(d)	Title of class of securities: Class A Common Stock, par value $0.00002 per share
(e)	CUSIP No.: 31188V100
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: See response to Item 9 on each cover page.
(b)	Percent of class: See response to Item 11 on each cover page.
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: See response to Item 5 on each cover page.
	(ii) Shared power to vote or to direct the vote: See response to Item 6 on each cover page.
	(iii) Sole power to dispose or to direct the disposition of: See response to Item 7 on each cover page.
	(iv) Shared power to dispose or to direct the disposition of: See response to Item 8 on each cover page.
Item 5.	Ownership of 5 Percent or Less of a Class.
	Ownership of 5 percent or less of a class
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.	Certifications:
	Not Applicable

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Per Artur Bergman

Signature:	/s/ Per Artur Bergman
Name/Title:	Per Artur Bergman
Date:	02/12/2026

The Per Artur Bergman Revocable Trust

Signature:	/s/ Artur Bergman
Name/Title:	Per Artur Bergman, Trustee
Date:	02/12/2026

The Artur Bergman Remainder Trust One DTD 5/2/2019

Signature:	/s/ Ron Templeton, Jr.
Name/Title:	Bryn Mawr Trust Company of Delaware, Trustee, Senior Trust Officer
Date:	02/12/2026

The Artur Bergman Remainder Trust Three DTD 5/2/2019

Signature:	/s/ Ron Templeton, Jr.
Name/Title:	Bryn Mawr Trust Company of Delaware, Trustee, Senior Trust Officer
Date:	02/12/2026

The Per Artur Bergman Grantor Retained Annuity Trust No. 3

Signature:	/s/ Artur Bergman
Name/Title:	Per Artur Bergman, Trustee
Date:	02/12/2026

The Per Artur Bergman Grantor Retained Annuity Trust No. 4

Signature:	/s/ Artur Bergman
Name/Title:	Per Artur Bergman, Trustee
Date:	02/12/2026

The PAB 2021 Remainder Trust

Signature:	/s/ Ron Templeton, Jr.
Name/Title:	Bryn Mawr Trust Company of Delaware, Trustee, Senior Trust Officer
Date:	02/12/2026

FAQ

How many Fastly (FSLY) shares does Per Artur Bergman beneficially own?

Per Artur Bergman and related trusts beneficially own 7,111,164 Fastly Class A shares. This figure includes direct holdings, several trusts, restricted stock units vesting within 60 days of December 31, 2025, and options exercisable within the same 60-day period.

What percentage of Fastly (FSLY) Class A stock does Per Artur Bergman control?

Per Artur Bergman and affiliated trusts report beneficial ownership of 4.69% of Fastly’s Class A common stock. This percentage is calculated using 151,537,271 Class A shares outstanding as of December 31, 2025, as disclosed in the ownership statement.

How are Per Artur Bergman’s Fastly (FSLY) holdings structured among trusts?

Bergman’s holdings are spread across multiple vehicles, including a Revocable Trust, several Remainder Trusts, and Grantor Retained Annuity Trusts. Each trust holds a defined block of Class A shares, over which he has sole voting and dispositive power as trustee or investment advisor.

What role do RSUs and options play in Per Artur Bergman’s Fastly (FSLY) stake?

The reported stake includes 59,083 Fastly Class A shares issuable upon vesting of restricted stock units within 60 days of December 31, 2025, plus options to purchase 376,460 shares that are exercisable within the same 60-day window, boosting total beneficial ownership.

What share count did Fastly (FSLY) use to calculate Per Bergman’s ownership percentage?

The ownership percentage was calculated using 151,537,271 outstanding Class A common shares as of December 31, 2025. Based on this figure, Per Artur Bergman and related trusts’ 7,111,164 beneficially owned shares represent 4.69% of the class.

Which entities are listed with Per Artur Bergman in this Fastly (FSLY) Schedule 13G/A?

The filing lists Per Artur Bergman, his Revocable Trust, two Remainder Trusts dated May 2, 2019, two Grantor Retained Annuity Trusts, and the PAB 2021 Remainder Trust. Each reports specific share amounts and sole voting and dispositive power.