Fastly, Inc. — Director's Dealing 2021

May 27, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Fastly, Inc. (FSLY)
CIK: 0001517413
Period of Report: 2021-05-24

Reporting Person: Bergman Artur (Director, Chief Architect, Exec. Chair, 10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-05-24	Class A Common Stock	C	19770	—	Acquired	319291	Direct
2021-05-24	Class A Common Stock	S	15858	$45.57	Disposed	303433	Direct
2021-05-24	Class A Common Stock	S	3912	$46.20	Disposed	299521	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-05-24	Class B Common Stock	$	C	19770	Disposed		Class A Common Stock (19770.0)	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Class B Common Stock	$		Class A Common Stock (1700000.0)	1511447	Indirect
Class B Common Stock	$		Class A Common Stock (800000.0)	711269	Indirect

Footnotes

F1: Each share of Class B Common Stock converted into Class A Common Stock upon the election of the reporting person.

F2: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F3: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.00 to $45.98. 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 (3) through (4) to this Form 4.

F4: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $46.01 to $46.52, inclusive.

F5: Each share of Class B Common Stock will convert automatically into Class A Common Stock upon (a) nine months following the death of the reporting person, or (b) any transfer except certain "Permitted Transfers" described in the Issuer's amended and restated certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) the first trading day falling nine months after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock, (ii) the date specified by the vote of the holders of Class B Common Stock representing at least a majority of the outstanding shares of Class B Common Stock, or (iii) the first trading day falling ten years after the Effective Time as defined in the Issuer's amended and restated certificate of incorporation.

F6: The shares are held by The Artur Bergman 2019 Annuity Trust One, of which the reporting person is trustee.

F7: The shares are held by The Artur Bergman 2019 Annuity Trust Two, of which the reporting person is trustee.