FSLY Fastly, Inc.
company
SEC Filings & Insider Trading Activity 2026

CIK: 1517413
Information Technology
Services-Prepackaged Software 32 filings
Russell 2000

Latest Fastly, Inc. (FSLY) SEC EDGAR filings in 2026 — including the most recent 10-K annual report filed on February 25, 2026, a 10-Q quarterly report filed on November 7, 2025, an 8-K current report filed on March 5, 2026. SignalX aggregates every new 10-K annual report, 10-Q quarterly report, 8-K current report, and Form 4 insider transaction for Fastly, Inc. (FSLY) (SEC CIK 1517413), with AI-powered section-by-section summaries updated daily.

10-Q: 20
10-K: 7
8-K: 5

Latest 2026 SEC Filing Dates

10-K Annual Report
Feb 25, 2026
10-Q Quarterly Report
Nov 7, 2025
8-K Current Report
Mar 5, 2026

AI 10-K Annual Report Analysis
Latest 10-K (2025-12-31)

Risk Factors

  • Cybersecurity breach risk including regulatory investigations, litigation, fines, business disruptions, customer loss, reputational harm
  • Key-person dependency on CISO Marshall Erwin with government and tech cybersecurity experience
+1 more insights

Business Overview

  • Core business: Edge cloud platform delivering performant, resilient, programmable digital experiences and AI-centric services at internet edge scale
  • New emphasis on AI workloads and agentic AI traffic management as a distinct growth opportunity within edge cloud platform
+3 more insights

Management Discussion & Analysis

  • Revenue $624.0M in 2025, up 15% YoY from $543.7M in 2024
  • Net loss improved to $121.7M in 2025 from $158.1M in 2024
+5 more insights

AI 10-Q Quarterly Report Analysis
Latest 10-Q (2025-09-30)

Risk Factors

  • New risk: Component shortages, delays, and price inflation disrupting server construction, triggered by COVID-19, trade disputes, and tariffs impacting supply chain*
  • Most updated risk: Customer concentration risk increased; top 10 customers accounted for 32% revenue in trailing 12 months ended Sep 30, 2025, TikTok-related U.S. regulatory uncertainty affecting traffic*
Read full Q3 2025 10-Q analysis →

AI 8-K Current Report Analysis
Recent 8-K Filings

Filed Mar 5, 2026
8-K
Full analysis →

Item 4.01: Changes in Registrant's Certifying Accountant

  • Fastly dismissed Deloitte, appointed KPMG as auditor for FY2026 effective March 4, 2026
  • KPMG still completing client evaluation — engagement not yet formally accepted, adding minor transition risk

Annual Reports Archive
10-K

AI-powered analysis of Fastly, Inc. (FSLY) 10-K annual reports filed with SEC EDGAR.

Quarterly Reports Archive
10-Q

AI-powered analysis of Fastly, Inc. (FSLY) 10-Q quarterly reports filed with SEC EDGAR.

Recent 8-K Filings
Current Reports

AI-powered analysis of Fastly, Inc. (FSLY) 8-K current reports disclosing material events.

Financial Summary
XBRL

FY2022FY2023FY2024FY2025
Profitability
Revenue$506.0M$543.7M$624.0M
Gross Profit$266.3M$295.9M$356.2M
Operating Income-$198.0M-$167.9M-$119.0M
Net Income-$133.1M-$158.1M-$121.7M
Gross Margin52.6%54.4%57.1%
Op. Margin-39.1%-30.9%-19.1%
Net Margin-26.3%-29.1%-19.5%
Balance Sheet
Total Assets$1.9B$1.5B$1.5B$1.5B
Equity$955.2M$979.5M$965.3M$929.6M
ROE-13.6%-16.4%-13.1%

Source: XBRL financial data from Fastly, Inc. (FSLY) 10-K filings on SEC EDGAR. All figures in USD. Key metrics include revenue, net income, gross profit, gross profit margin, operating income, EPS (diluted), total assets, stockholders' equity, return on equity (ROE), operating cash flow, and capital expenditure.

Latest 2026 SEC Filings — 10-K, 10-Q, 8-K & Form 4

FormFiling DatePeriodAnalysisSEC
8-K
Mar 5, 2026Analysis
10-K
Feb 25, 2026Dec 31, 2025Analysis
8-K
Feb 11, 2026
8-K
Dec 17, 2025
8-K
Dec 9, 2025
8-K
Nov 26, 2025
10-Q
Nov 7, 2025Sep 30, 2025Analysis
10-Q
Aug 6, 2025Jun 30, 2025
10-Q
May 7, 2025Mar 31, 2025
10-K
Feb 26, 2025Dec 31, 2024
10-Q
Nov 7, 2024Sep 30, 2024
10-Q
Aug 8, 2024Jun 30, 2024
10-Q
May 1, 2024Mar 31, 2024
10-K
Feb 22, 2024Dec 31, 2023
10-Q
Nov 3, 2023Sep 30, 2023
10-Q
Aug 2, 2023Jun 30, 2023
10-Q
May 3, 2023Mar 31, 2023
10-K
Feb 27, 2023Dec 31, 2022
10-Q
Nov 4, 2022Sep 30, 2022
10-Q
Aug 5, 2022Jun 30, 2022
10-Q
May 5, 2022Mar 31, 2022
10-K
Mar 1, 2022Dec 31, 2021
10-Q
Nov 8, 2021Sep 30, 2021
10-Q
Aug 6, 2021Jun 30, 2021
10-Q
May 7, 2021Mar 31, 2021

Frequently Asked Questions

What are the latest FSLY SEC filings in 2026?

Fastly, Inc. (FSLY) has filed a 10-K annual report on February 25, 2026, a 10-Q quarterly report on November 7, 2025, an 8-K current report on March 5, 2026 with the SEC. SignalX tracks every new SEC EDGAR filing daily, including 10-K, 10-Q, 8-K, and Form 4 insider transactions, with AI-powered summaries of key sections.

When did FSLY file its most recent 10-K annual report?

Fastly, Inc. (FSLY) filed its most recent 10-K annual report on February 25, 2026. The 10-K includes audited financial statements, business overview, risk factors, and management discussion, all available on SignalX with AI-generated summaries and XBRL financial data.

How do I view FSLY 10-Q quarterly reports?

Fastly, Inc. (FSLY)'s most recent 10-Q quarterly report was filed on November 7, 2025. SignalX displays every FSLY 10-Q with AI-generated summaries of the MD&A (Management Discussion & Analysis) and Risk Factors sections, plus links to the original SEC EDGAR document.

What 8-K current reports has FSLY filed recently?

Fastly, Inc. (FSLY)'s most recent 8-K was filed on March 5, 2026. 8-K filings disclose material corporate events such as earnings releases, executive changes, mergers, and other significant developments. SignalX surfaces each 8-K with item-level summaries so you can quickly see what happened.

Where can I find FSLY insider trading activity (Form 4)?

SignalX aggregates every FSLY Form 4 insider transaction from SEC EDGAR. Form 4 reports show when officers, directors, and 10% shareholders buy or sell company stock, with transaction code, share count, and price per share.

How often does FSLY file with the SEC?

Fastly, Inc. (FSLY) files a 10-K annual report once per year (typically within 60 days of fiscal year-end) and 10-Q quarterly reports three times per year. 8-K current reports are filed as needed when material events occur, and Form 4 insider transaction reports are due within two business days of a trade. SignalX monitors SEC EDGAR daily to surface every new FSLY filing with AI-powered analysis.

What is the difference between 10-K, 10-Q, and 8-K SEC filings?

A 10-K is a comprehensive annual report with audited financials, business overview, and risk factors. A 10-Q is a shorter quarterly report with unaudited financials and management discussion. An 8-K is a current report filed when a material event occurs — such as earnings releases, executive changes, acquisitions, or other significant developments. SignalX provides AI-generated summaries for all three filing types for Fastly, Inc. (FSLY).

What is FSLY's SEC CIK number?

Fastly, Inc. (FSLY)'s SEC CIK (Central Index Key) number is 1517413. The CIK is a unique identifier assigned by the SEC to every filing entity. You can use CIK 1517413 to look up all FSLY filings on SEC EDGAR, or browse them here on SignalX with AI-powered analysis.

Where can I find FSLY return on equity (ROE) and financial data?

SignalX extracts XBRL financial data from Fastly, Inc. (FSLY) 10-K annual filings, including revenue, net income, gross profit, operating income, EPS, total assets, stockholders' equity, and operating cash flow. Return on equity (ROE) can be derived from net income divided by stockholders' equity. Multi-year financial trends are displayed in the Financial Summary table above.

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