FSLY

Fastly, Inc.

NasdaqTechnologyServices-Prepackaged Software

Insider activity for last month from 08/04 to 09/04. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.

Latest filingSep 02, 2026Most recent Form 4
Total buying$00 buys
Total selling$985M18 sells
Net open-market-$985M5 insiders
Open-market mix
Buy vs sell distribution by transaction count
18 transactions
0 buys0%·100%18 sells

Insider activity report

Monthly open-market purchase and sale counts
Buys Sells
1580-8-15transactionsAug 2026 sells: 15 transactions · $866M15AugSep 2026 sells: 3 transactions · $118M3Sep

Transaction codes

By Form 4 transaction code in selected period
18transactions
  • S · Open-market sells · dominant18 · 100%

Activity by reported role

A joint filing can contribute to multiple roles
20transactions
  • Chief executive officer · dominant8 · 40%
  • CTO6 · 30%
  • GTM2 · 10%
  • PRES2 · 10%
  • Chief financial officer1 · 5%
  • Director1 · 5%

Distinct insiders active

Reporting-owner CIKs by month · peak Aug 2026 (5)
Aug 2026Sep 2026
6distinct insiders in 2 months

Reported Holdings After

Separated by insider, security, and ownership type
Compton Charles Lacey IIIClass A Common Stock · Direct
996.0k914.2kAug 18, 2026 · 996,040 shares owned afterAug 19, 2026 · 984,842 shares owned afterAug 19, 2026 · 990,942 shares owned afterAug 19, 2026 · 985,542 shares owned afterAug 31, 2026 · 969,814 shares owned afterSep 01, 2026 · 934,313 shares owned afterSep 01, 2026 · 914,235 shares owned afterSep 01, 2026 · 915,335 shares owned afterAug 18, 2026Sep 01, 2026
915,335Sep 01, 2026
Bergman ArturClass A Common Stock · Direct
2.0M1.9MAug 18, 2026 · 2,005,191 shares owned afterAug 19, 2026 · 1,977,668 shares owned afterAug 19, 2026 · 1,973,504 shares owned afterAug 19, 2026 · 1,994,103 shares owned afterAug 27, 2026 · 1,920,050 shares owned afterAug 31, 2026 · 1,913,825 shares owned afterAug 18, 2026Aug 31, 2026
1,913,825Aug 31, 2026
Lovett Scott R.Class A Common Stock · Direct
1.4M1.4MAug 18, 2026 · 1,377,842 shares owned afterAug 31, 2026 · 1,358,218 shares owned afterAug 18, 2026Aug 31, 2026
1,358,218Aug 31, 2026
Wong RichardClass A Common Stock · Direct
1.1M1.1MAug 18, 2026 · 1,091,286 shares owned afterAug 18, 2026Aug 18, 2026
1,091,286Aug 18, 2026
Paisley Christopher BClass A Common Stock · Indirect · See Footnote
280.5k280.5kAug 31, 2026 · 280,485 shares owned afterAug 31, 2026Aug 31, 2026
280,485Aug 31, 2026

These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.

Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells red
2 active days
Aug 04Sep 04
LessMore
Top insiders
By absolute net value across the selected period
3 insiders
Recent filing activity
Most recent 12 transactions · color = transaction code

Filing detail checks

Secondary metrics for the selected period
Largest buy-
Largest sale$423M
10b5-1 detected13
Amended rows0

Filing-only signals

Deterministic matches in the selected period

FSLY transaction history

Filters apply within this company and selected period by default
Reset
TickerInsiderRoleTypeSharesValueCodeSignals90d returnFiledTrans date
FSLYCompton Charles Lacey III
CEO
sale10b5-11.10k-$2.48MS0.0%09/0209/01
FSLYCompton Charles Lacey III
CEO
sale10b5-118.9k-$41.4MS0.0%09/0209/01
FSLYCompton Charles Lacey III
CEO
sale10b5-135.5k-$74.9MS0.0%09/0209/01
FSLYCompton Charles Lacey III
CEO
sale10b5-115.0k-$34.5MS0.0%09/0208/31
FSLYPAISLEY CHRISTOPHER B
DIR
sale10b5-13.00k-$6.90MS0.0%09/0208/31
FSLYCompton Charles Lacey III
CEO
sale10b5-1700-$1.82MS08/2008/19
FSLYCompton Charles Lacey III
CEO
sale10b5-15.40k-$13.5MS08/2008/19
FSLYCompton Charles Lacey III
CEO
sale10b5-15.09k-$12.2MS08/2008/19
FSLYCompton Charles Lacey III
CEO
sale10b5-134.5k-$98.8MS08/2008/18
FSLYBergman Artur
CTO
sale10b5-14.16k-$10.7MS08/2008/19
FSLYBergman Artur
CTO
sale10b5-116.4k-$41.0MS08/2008/19
FSLYBergman Artur
CTO
sale10b5-111.0k-$26.5MS08/2008/19
FSLYBergman Artur
CTO
sale10b5-132.3k-$92.6MS08/2008/18

Fastly, Inc. Insider Activity FAQ

SEC Form 4 context

Who recently reported transactions at Fastly, Inc.?

Bergman Artur, Compton Charles Lacey III, Lovett Scott R., PAISLEY CHRISTOPHER B, WONG RICHARD.

When was the latest reported open-market purchase?

No code-P purchase is available for this period.

When was the latest reported open-market sale?

Compton Charles Lacey III reported a sale on Sep 01, 2026 valued at $2.48M. Read the SEC filing.

What is the recent purchase and sale balance?

Net open-market selling in the selected period was $9,854,566.19. Sales can occur for many non-investment reasons.

Where can I see the original SEC filing?

Every transaction row and latest-activity fact links to its original SEC filing.

What do these Form 4 transaction codes mean?

P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.