Fastly, Inc. (FSLY) Insider Trading
Over the last 3 months, FSLY insiders made 0 open-market buys and 29 sales, a net sale of -$11.8M (SEC Form 4). Over the last 6 months, 209 institutions increased and 170 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
29
Net (3m)
-$11.8M
Insider trades by month Buys Sells
Mar
Apr
May
Jun
Jul
Aug
Context3-month price +20.2%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 31, 2026 | Bergman Arturdirector, officer: Chief Technology Officer | Sell | 851 | $24.08 |
| Aug 25, 2026 | WONG RICHARDofficer: CFO | Sell | 16,855 | $23.64 |
| Aug 25, 2026 | WONG RICHARDofficer: CFO | Sell | 29,013 | $24.29 |
| Aug 25, 2026 | WONG RICHARDofficer: CFO | Sell | 1,808 | $24.95 |
| Aug 20, 2026 | Bergman Arturdirector, officer: Chief Technology Officer | Sell | 4,164 | $25.78 |
| Aug 20, 2026 | Bergman Arturdirector, officer: Chief Technology Officer | Sell | 16,435 | $24.98 |
| Aug 20, 2026 | Bergman Arturdirector, officer: Chief Technology Officer | Sell | 11,088 | $23.94 |
| Aug 20, 2026 | Lovett Scott R.officer: President, Go to Market | Sell | 14,936 | $28.60 |
| Aug 20, 2026 | Compton Charles Lacey IIIdirector, officer: CEO | Sell | 34,552 | $28.60 |
| Aug 20, 2026 | Compton Charles Lacey IIIdirector, officer: CEO | Sell | 5,098 | $24.08 |
| Aug 20, 2026 | Compton Charles Lacey IIIdirector, officer: CEO | Sell | 5,400 | $25.08 |
| Aug 20, 2026 | Bergman Arturdirector, officer: Chief Technology Officer | Sell | 32,387 | $28.60 |
| Aug 20, 2026 | Compton Charles Lacey IIIdirector, officer: CEO | Sell | 700 | $26.05 |
| Aug 20, 2026 | WONG RICHARDofficer: CFO | Sell | 148,015 | $28.61 |
| Aug 14, 2026 | Loop Pauladirector | Sell | 7,332 | $30.00 |
| Aug 11, 2026 | Daniels Richard Devondirector | Sell | 11,080 | $22.90 |
| Aug 6, 2026 | Compton Charles Lacey IIIdirector, officer: CEO | Sell | 14,868 | $25.00 |
| Jul 20, 2026 | Compton Charles Lacey IIIdirector, officer: CEO | Sell | 4,204 | $21.10 |
| Jul 20, 2026 | Compton Charles Lacey IIIdirector, officer: CEO | Sell | 11,412 | $20.65 |
| Jul 20, 2026 | Compton Charles Lacey IIIdirector, officer: CEO | Sell | 155 | $21.90 |
| Jul 20, 2026 | Compton Charles Lacey IIIdirector, officer: CEO | Sell | 2,714 | $20.51 |
| Jun 22, 2026 | Lovett Scott R.officer: President, Go to Market | Sell | 41,716 | $17.77 |
| Jun 18, 2026 | Lovett Scott R.officer: President, Go to Market | Sell | 34,919 | $18.15 |
| Jun 5, 2026 | Loop Pauladirector | Grant | 9,601 | — |
| Jun 5, 2026 | ALVAREZ AIDAdirector | Grant | 9,601 | — |
| Jun 5, 2026 | Daniels Richard Devondirector | Grant | 9,601 | — |
| Jun 5, 2026 | PAISLEY CHRISTOPHER Bdirector | Grant | 9,601 | — |
| Jun 5, 2026 | Hornik Daviddirector | Grant | 9,601 | — |
| Jun 5, 2026 | Compton Charles Lacey IIIdirector, officer: CEO | Sell | 3,482 | $20.17 |
| Jun 5, 2026 | Compton Charles Lacey IIIdirector, officer: CEO | Sell | 5,746 | $21.15 |
Source: FSLY SEC Form 4 filings, latest Aug 31, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their FSLY positions over the last 6 months (SEC Form 13F).
Increased
209
New positions
185
Reduced
170
Sold out
108
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BlackRock, Inc. | Increased | 15.2M | Aug 7, 2026 |
| BLACKROCK, INC. | Reduced | 12.4M | May 13, 2026 |
| FMR LLC | Increased | 11.9M | Aug 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 11.0M | May 8, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Reduced | 9.8M | Aug 13, 2026 |
| FMR LLC | Increased | 8.6M | May 15, 2026 |
| Capital World Investors | Increased | 8.2M | Aug 12, 2026 |
| LEGAL & GENERAL GROUP PLC | Reduced | 8.1M | May 8, 2026 |
| FIRST TRUST ADVISORS LP | Increased | 7.7M | Aug 11, 2026 |
| FIRST TRUST ADVISORS LP | Increased | 7.0M | May 13, 2026 |
| D. E. Shaw & Co., Inc. | Increased | 6.6M | Aug 14, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 6.3M | Aug 13, 2026 |
| TWO SIGMA INVESTMENTS, LP | Increased | 6.1M | Aug 14, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 6.0M | May 15, 2026 |
| TWO SIGMA INVESTMENTS, LP | Increased | 5.6M | May 15, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.