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Founding and IPO (2011–2019)
Fastly was founded in 2011 by the Swedish-American entrepreneur Artur Bergman, previously chief technical officer at Wikia (now Fandom). In June 2013, Fastly raised $10 million in Series B funding. In April 2014, the company announced that it had acquired CDN Sumo, a CDN add-on for Heroku. In September 2014, Fastly raised a further $40 million in Series C funding, followed by a $75 million Series D round in August 2015.
In September 2015, Google partnered with Fastly and other content delivery network providers to offer services to its users. In April 2017, Fastly launched its edge cloud platform along with image optimization, load balancing, and a web application firewall.
Fastly raised $50 million in funding in May 2017, and another $40 million in July 2018. The company filed for an initial public offering (IPO) in April 2019 and debuted on the New York Stock Exchange on May 17, 2019.
Joshua Bixby as CEO (2020–2022)
In February 2020, Bergman stepped down as CEO and assumed the role of chief architect and executive chairperson; Joshua Bixby took over the CEO role.
In August 2020, Fastly announced it was acquiring cybersecurity company Signal Sciences for $775 million ($200 million in cash and $575 million in stock).
In June 2021, Ronald W. Kisling, previously employed by Alphabet as the CFO of the Fitbit division, was hired to serve as Fastly's CFO, succeeding Adriel Lares. He assumed the position in August 2021.
On 8 June 2021, a software bug in Fastly's CDN, triggered by a valid customer configuration change, temporarily disrupted access to major websites, including Reddit, Twitch, Amazon, GOV.UK, The New York Times, The Guardian, and the BBC. According to Fastly, 95% of its network was operating normally within 49 minutes. The incident prompted discussion about the internet's reliance on a small number of CDN providers.
In May 2022, Fastly announced it had acquired Glitch, a web coding platform with more than 1.8 million developers.
Todd Nightingale as CEO (2022-2025)
In August 2022, Todd Nightingale, previously an executive VP at Cisco, was hired to serve as Fastly's CEO, succeeding Joshua Bixby.
In March 2023, Fastly made all of its network services and web application security products available to its partners. Previously, some of the company's partners had only been able to sell specific Fastly products, such as its web application firewall. Also in March 2023, Fastly announced an Oblivious HTTP relay service to enable clients, such as Google Chrome, to improve anonymity of end users while gathering data.
In August 2023, Fastly announced that it had acquired the domain status API provider, Domainr.
In August of 2024, Fastly laid off 11% of its work force. Later in December 2024, Fastly issued $150 million in convertible senior notes due in 2028, carrying an annual interest rate of 7.75%..
Kip Compton as CEO (2025–present)
In June 2025, Kip Compton was appointed CEO. Kip was formerly Chief Product Officer, and previously held leadership roles at Cisco and Comcast.
In November 2025, Fastly announced that it would transfer its stock exchange listing from the New York Stock Exchange to the Nasdaq Global Select Market. The company began trading on Nasdaq under the ticker symbol FSLY in December 2025.
In March 2026, Fastly appointed Joan Jenkins as chief marketing officer.