SEC ownership of Fastly, Inc.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001517413.

Comparable stake leader

VANGUARD GROUP INC

Disclosed value leader

BlackRock, Inc.

Comparable rows

50/50

Latest evidence

16 Jul 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
50 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
VANGUARD GROUP INC
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
16 Jul 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001517413
Issuer location
San Francisco, CA

Ownership snapshot

Top shareholders of Fastly, Inc. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
VANGUARD GROUP INC
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
16 Jul 2026
13D/G 13F 3/4/5 Lead comparable stake: 11% 13D/G row: VANGUARD GROUP INC Showing 1-8 of 50 holder rows.

Quick read

VANGUARD GROUP INC leads the comparable SEC ownership view at 11%.

50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens VANGUARD GROUP INC's linked filing trail.
Comparable ownership Top 5
VANGUARD GROUP INC 11%
BlackRock, Inc. 7.7%
FMR LLC 5.8%
Legal & General Group Plc 5.6%
Artur Bergman 4.7%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
VANGUARD GROUP INC
13D/G
The Vanguard Group
11%
$113,747,268
16,111,511 shares
$0 30 Jun 2025
BlackRock, Inc.
13F 13D/G
Company
7.7%
from 13D/G
$361,466,874
12,438,640 shares
31 Mar 2026
FMR LLC
13F 13D/G
Company
5.8%
from 13D/G
$250,985,082
8,636,789 shares
31 Mar 2026
Legal & General Group Plc
13F 13D/G
Company
5.6%
from 13D/G
$234,216,030
8,059,757 shares
31 Mar 2026
Artur Bergman
13D/G 3/4/5
Per Artur Bergman · Chief Technology Officer, Director
4.7%
$72,391,650
7,111,164 shares
$0 31 Dec 2025
Legal & General Investment Management Ltd
13D/G
Legal & General Group Plc
4.4%
$40,414,350
5,725,142 shares
-$6,168,559 31 Dec 2023
MORGAN STANLEY
13F 13D/G
Company
0.7%
from 13D/G
$42,413,003
1,459,497 shares
31 Mar 2026
Todd Nightingale
3/4/5
CEO, Director
1.2%
$14,106,904
1,901,200 shares
28 May 2025
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to selling over the last 12 months. Net value: -$59,973,569.

Buys
$0
Insiders: 0
Sells
$59,973,569
Insiders: 6
Net
-$59,973,569
Shares: -3,901,496
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 3,901,496
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 293,014 $0 $5,145,193 -$5,145,193
3-6 0 2,106,357 $0 $40,456,937 -$40,456,937
6-9 0 924,192 $0 $9,712,271 -$9,712,271
9-12 0 577,933 $0 $4,659,169 -$4,659,169

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-20 of 21 reporting-owner rows connected to Fastly, Inc.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
21
Largest Forms 3/4/5 holder
Abdiel Capital Management, LLC
Net 12M change
-$59,973,569
Latest report
16 Jul 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Abdiel Capital Management, LLC 10%+ Owner $492,742,544 Mixed 06 May 2021
Artur Bergman Chief Technology Officer, Director $51,908,187 -$43,196,997 -45% Mixed 03 Jun 2026
Scott R. Lovett President, Go to Market $24,749,665 -$8,583,323 -26% Filing P/S 17 Jun 2026
Charles Lacey Compton III CEO, Director $22,895,574 -$7,327,700 -24% Filing P/S 16 Jul 2026
Richard Wong Cfo $20,423,680 -$396,873 -1.9% Filing P/S 20 May 2026
Todd Nightingale CEO, Director $14,106,904 Filing P/S 28 May 2025
Joshua Bixby CEO, Director $12,282,239 Mixed 16 Aug 2022
Paul Luongo General Counsel $11,761,620 Mixed 16 Feb 2022
Christopher B. Paisley Director $8,698,035 -$16,960 -0.19% Mixed 03 Jun 2026
David Hornik Director $7,829,664 Mixed 03 Jun 2026
Brett Shirk Executive Vice President, CRO $5,491,041 Mixed 30 Nov 2023
Ronald W. Kisling Chief Financial Officer $4,311,543 Filing P/S 16 Jul 2025
Kelly Wright Director $4,002,777 Mixed 12 Jul 2021
Adriel G. Lares Chief Financial Officer $3,725,818 Mixed 15 Jul 2021
Sunil Dhaliwal Director $3,412,217 Mixed 21 Jun 2021
Aida Alvarez Director $3,070,683 Mixed 03 Jun 2026
Vanessa C. Smith Director $2,855,639 Mixed 03 Jun 2026
Charles J. Meyers Director $2,841,341 Mixed 03 Jun 2026
Paula Loop Director $2,841,341 Mixed 03 Jun 2026
Richard Devon Daniels Director $1,809,769 -$451,716 -20% Mixed 03 Jun 2026

Recent insider transactions for Fastly, Inc.

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
Charles Lacey Compton III FSLY Class A Common Stock Sale -0.67% $147,763 $20.89 -7,073 1,045,460 17 Jul 2026 Direct
Charles Lacey Compton III FSLY Class A Common Stock Sale -1.07% $235,658 $20.65 -11,412 1,052,533 16 Jul 2026 Direct
Scott R. Lovett FSLY Class A Common Stock Sale -2.91% $741,293 $17.77 -41,716 1,392,778 17 Jun 2026 Direct
Scott R. Lovett FSLY Class A Common Stock Sale -2.38% $633,780 $18.15 -34,919 1,434,494 16 Jun 2026 Direct
David Hornik FSLY Class A Common Stock Award 3.7% 9,601 269,431 03 Jun 2026 Direct
Charles J. Meyers FSLY Class A Common Stock Award 10.9% 9,601 97,775 03 Jun 2026 Direct
Christopher B. Paisley FSLY Class A Common Stock Award 183.7% 9,601 14,828 03 Jun 2026 Direct
Charles Lacey Compton III FSLY Class A Common Stock Sale -0.87% $193,617 $20.79 -9,313 1,063,945 03 Jun 2026 Direct
Vanessa C. Smith FSLY Class A Common Stock Award 10.8% 9,601 98,267 03 Jun 2026 Direct
Artur Bergman FSLY Class A Common Stock Sale -0.39% $165,346 $20.96 -7,889 2,038,638 03 Jun 2026 Direct
Paula Loop FSLY Class A Common Stock Award 10.9% 9,601 97,775 03 Jun 2026 Direct
Aida Alvarez FSLY Class A Common Stock Award 9.99% 9,601 105,667 03 Jun 2026 Direct
Richard Devon Daniels FSLY Class A Common Stock Award 18.2% 9,601 62,277 03 Jun 2026 Direct
Artur Bergman FSLY Class A Common Stock Sale -0.3% $105,576 $16.96 -6,225 2,046,527 29 May 2026 Direct
Charles Lacey Compton III FSLY Class A Common Stock Sale -1.38% $254,875 $16.96 -15,028 1,073,258 29 May 2026 Direct
Christopher B. Paisley FSLY Class A Common Stock Sale -16.1% $16,960 $16.96 -1,000 5,227 29 May 2026 Direct
Scott R. Lovett FSLY Class A Common Stock Sale -1.32% $332,789 $16.96 -19,622 1,469,413 29 May 2026 Direct
Artur Bergman FSLY Class A Common Stock Sale -0.05% $18,331 $17.02 -1,077 2,052,752 28 May 2026 Direct
Artur Bergman FSLY Class A Common Stock Sale -0.04% $14,910 $17.50 -852 2,053,829 27 May 2026 Direct
Richard Wong FSLY Class A Common Stock Sale -0.2% $41,200 $16.48 -2,500 1,239,301 21 May 2026 Direct
Richard Wong FSLY Class A Common Stock Award 0.2% 2,500 1,241,801 20 May 2026 Direct
Richard Wong FSLY Class A Common Stock Sale -0.51% $103,250 $16.35 -6,315 1,239,301 19 May 2026 Direct
Charles Lacey Compton III FSLY Class A Common Stock Sale -1.03% $185,812 $16.48 -11,275 1,088,286 19 May 2026 Direct
Artur Bergman FSLY Class A Common Stock Sale -1.53% $522,626 $16.41 -31,848 2,054,681 19 May 2026 Direct
Richard Wong FSLY Class A Common Stock Sale -0.29% $60,525 $16.85 -3,592 1,245,616 18 May 2026 Direct
Scott R. Lovett FSLY Class A Common Stock Sale -0.99% $250,105 $16.85 -14,843 1,489,035 18 May 2026 Direct
Charles Lacey Compton III FSLY Class A Common Stock Sale -3.03% $578,528 $16.85 -34,334 1,099,561 18 May 2026 Direct
Artur Bergman FSLY Class A Common Stock Sale -1.52% $542,250 $16.85 -32,181 2,086,529 18 May 2026 Direct
Charles Lacey Compton III FSLY Class A Common Stock Sale -0.62% $173,439 $24.57 -7,059 1,133,895 17 Apr 2026 Direct
Charles Lacey Compton III FSLY Class A Common Stock Sale -1.93% $546,874 $24.33 -22,474 1,140,954 16 Apr 2026 Direct
Scott R. Lovett FSLY Class A Common Stock Sale -2.7% $1,102,485 $26.45 -41,682 1,503,878 18 Mar 2026 Direct
Scott R. Lovett FSLY Class A Common Stock Sale -2.21% $778,753 $22.28 -34,953 1,545,560 17 Mar 2026 Direct
Charles Lacey Compton III FSLY Class A Common Stock Sale -4.07% $1,233,750 $25.00 -49,350 1,163,428 11 Mar 2026 Direct
Artur Bergman FSLY Class A Common Stock Sale -14.2% $6,039,350 $22.79 -265,000 1,604,901 10 Mar 2026 See Foonote
Artur Bergman FSLY Class A Common Stock Sale -2.09% $842,947 $21.07 -40,000 1,869,901 09 Mar 2026 See Foonote
Richard Wong FSLY Class A Common Stock Sale -0.44% $115,814 $21.08 -5,494 1,249,208 06 Mar 2026 Direct
Richard Devon Daniels FSLY Class A Common Stock Sale -22.1% $312,849 $20.89 -14,976 52,676 06 Mar 2026 Direct
Charles Lacey Compton III FSLY Class A Common Stock Sale -2.94% $759,020 $20.69 -36,694 1,212,778 05 Mar 2026 Direct
Artur Bergman FSLY Class A Common Stock Sale -1.45% $642,915 $20.69 -31,079 2,118,710 05 Mar 2026 Direct
Scott R. Lovett FSLY Class A Common Stock Sale -4.46% $1,552,438 $21.06 -73,715 1,580,513 04 Mar 2026 Direct
Scott R. Lovett FSLY Class A Common Stock Award 8.95% 135,869 1,654,228 04 Mar 2026 Direct
Artur Bergman FSLY Class A Common Stock Sale -1.13% $516,644 $21.06 -24,532 2,149,789 04 Mar 2026 Direct
Artur Bergman FSLY Class A Common Stock Award 7.81% 157,438 2,174,321 04 Mar 2026 Direct
Richard Wong FSLY Class A Common Stock Award 10.5% 118,885 1,254,702 04 Mar 2026 Direct
Charles Lacey Compton III FSLY Class A Common Stock Award 42.7% 373,641 1,249,472 04 Mar 2026 Direct
Charles Lacey Compton III FSLY Class A Common Stock Sale -7.71% $1,532,616 $20.94 -73,206 875,831 04 Mar 2026 Direct
Artur Bergman FSLY Class A Common Stock Gift -100% -254,808 0 03 Mar 2026 See Footnote
Artur Bergman FSLY Class A Common Stock Sale -0.28% $114,837 $20.30 -5,657 2,016,883 03 Mar 2026 Direct
Charles Lacey Compton III FSLY Class A Common Stock Sale -1.38% $268,853 $20.30 -13,244 949,037 03 Mar 2026 Direct
Richard Wong FSLY Class A Common Stock Sale -0.33% $76,084 $20.30 -3,748 1,135,817 03 Mar 2026 Direct
* marks a reported price that did not pass the local price check.
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