Company profile
Fastly, Inc. Insider Trading
FSLYEvery SEC Form 4 insider trading filing for Fastly, Inc. (FSLY) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- Nasdaq
- Sector
- Services-Prepackaged Software
- CIK
- 0001517413
- Filings
- 300
- Insiders
- 14
- Last filing
- 2026-08-21
Activity summary
Recent insider activity is bearish. Over the last 30 days, insiders net sold $6.8M across 5 transactions.
Three year balance
Buy and sell value by quarter, Q4 23 to Q3 26. Fastly, Inc. insiders were net sellers in every quarter shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $41.4M.
90 day insight
Over the last 90 days, Fastly, Inc. insiders bought $0 (7 transactions) and sold $8.4M (10 transactions).
- Most active insider: Compton Charles Lacey III with 13 transactions totaling $2.5M.
- Largest single sale: $4.2M by Wong Richard on Aug 18, 2026.
- 69% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.
Activity is mixed — buys and sales are roughly balanced.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 21, 2026 | Wong Richard | FSLY | Sale10b5 | 29,013 | $24.29 | $705K |
| Aug 21, 2026 | Wong Richard | FSLY | Sale10b5 | 1,808 | $24.95 | $45K |
| Aug 21, 2026 | Wong Richard | FSLY | Sale10b5 | 16,855 | $23.64 | $398K |
| Aug 19, 2026 | Compton Charles Lacey III | FSLY | Sale10b5 | 5,098 | $24.08 | $123K |
| Aug 19, 2026 | Compton Charles Lacey III | FSLY | Sale10b5 | 700 | $26.05 | $18K |
45 more transactions hidden
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Query this yourself
The same rows, over the API.
curl "https://api.form4api.com/v1/transactions?ticker=FSLY" \
-H "X-Api-Key: $KEY"Top insiders
By total value filed.
Institutional Ownership
Top 13F-HR holders of Fastly, Inc. as of 2026-06-30
Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →