Home / Auditor changes / Fastly, Inc.

3/5Fastly, Inc. (FSLY): Auditor change

Filed 2026-03-05 路 Form 8-K 路 Accession 0001517413-26-000089 mid

Market data

Price before filing: $20.04 (2026-03-04 close, split/dividend-adjusted)
Market cap at flag: $3.14B (2026-03-05) 路 Latest: $3.54B (2026-10-16)

What happened next

WindowFSLYSPYvs SPY
30 days+57.4%-3.6%+60.9%2026-04-06
90 days+3.9%+10.4%-6.4%2026-06-03
180 days+3.6%+11.8%-8.1%2026-09-01

Return from the last close before the filing date to the first close on/after the window end. Pending windows have not fully elapsed. Past performance says nothing certain about the future.

Insider trading around this filing

90 days before the flag: 4 insiders sold $32.1M (49 sales)
30 days after: 5 insiders sold $11.8M (16 sales)

DateInsiderTypeSharesPriceValue10b5-1 planSource
2025-12-08Bergman Artur
Chief Technology Officer, Director
Sale40,000$10.66$426KyesForm 4
2025-12-15Bergman Artur
Chief Technology Officer, Director
Sale40,000$10.50$420KyesForm 4
2025-12-16Lovett Scott R.
President, Go to Market
Sale34,517$10.15$350KyesForm 4
2025-12-17Lovett Scott R.
President, Go to Market
Sale42,118$10.10$425KyesForm 4
2025-12-22Bergman Artur
Chief Technology Officer, Director
Sale40,000$10.59$424KyesForm 4
2025-12-29Bergman Artur
Chief Technology Officer, Director
Sale40,000$10.23$409KyesForm 4
2026-01-05Bergman Artur
Chief Technology Officer, Director
Sale40,000$10.27$411KyesForm 4
2026-01-12Bergman Artur
Chief Technology Officer, Director
Sale20,000$9.35$187KyesForm 4
2026-01-16Compton Charles Lacey III
CEO, Director
Sale9,044$9.07$82KyesForm 4
2026-01-20Bergman Artur
Chief Technology Officer, Director
Sale20,000$8.18$164KyesForm 4
2026-01-20Compton Charles Lacey III
CEO, Director
Sale4,638$8.81$41KyesForm 4
2026-01-26Bergman Artur
Chief Technology Officer, Director
Sale30,680$9.92$304KyesForm 4
2026-01-27Bergman Artur
Chief Technology Officer, Director
Sale49,320$10.40$513KyesForm 4
2026-02-02Bergman Artur
Chief Technology Officer, Director
Sale20,000$9.36$187KyesForm 4
2026-02-09Bergman Artur
Chief Technology Officer, Director
Sale20,000$8.84$177KyesForm 4
2026-02-12Bergman Artur
Chief Technology Officer, Director
Sale4,700$13.88$65KyesForm 4
2026-02-12Bergman Artur
Chief Technology Officer, Director
Sale199,643$15.11$3.0MyesForm 4
2026-02-12Bergman Artur
Chief Technology Officer, Director
Sale247,039$16.11$4.0MyesForm 4
2026-02-12Bergman Artur
Chief Technology Officer, Director
Sale132,366$17.19$2.3MyesForm 4
2026-02-12Bergman Artur
Chief Technology Officer, Director
Sale35,587$17.69$630KyesForm 4
2026-02-13Bergman Artur
Chief Technology Officer, Director
Sale20,128$18.25$367KyesForm 4
2026-02-13Bergman Artur
Chief Technology Officer, Director
Sale131,047$18.25$2.4MyesForm 4
2026-02-13Bergman Artur
Chief Technology Officer, Director
Sale69,800$18.75$1.3MyesForm 4
2026-02-17Bergman Artur
Chief Technology Officer, Director
Sale28,253$17.42$492KyesForm 4
2026-02-17Bergman Artur
Chief Technology Officer, Director
Sale11,747$17.80$209KyesForm 4
2026-03-05: red flag filed

Showing 25 of 65 transactions.

Open-market purchases and sales (Form 4 codes P and S) by officers, directors and 10% owners, by transaction date, from 2025-12-05 to 2026-04-04. Excludes option exercises, grants, gifts and tax withholding. Amended filings replace the originals; joint filings count once. Foreign private issuers do not file Form 4. Many insider sales are pre-scheduled (10b5-1 plans) and are not by themselves a sign of wrongdoing.

What this means

The company changed its outside auditor (8-K Item 4.01). A dismissal or resignation, especially near an annual report or with reported disagreements, is a warning sign. Changes caused by audit firms merging are usually routine.

Type: changed
Disagreements reported: no

Read the original filing on SEC.gov →

Not investment advice. Automated summary; verify against the filing.

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