Stock Trading Canary

United States · SEC Form 4 · Snapshot date: 2026-10-18 · Built: 2026-10-18 · 中文

← United States · Coverage record

US · SEC FORM 4

Fastly, Inc.

FSLY · Nasdaq · CIK 0001517413 · Technology · Software—Application

INSIDER SIGNAL

No active buy signal

0 qualifying P purchase groups
in the current 180-day scoring window

95 Form 4 transaction lines observed in the same window
87 sales · 8 option, withholding, award, gift or other lines

Last qualifying purchase2022-06-01 · Daniels Richard Devon · $63.8K

WHY NO ACTIVE SIGNAL?

Purchase activityNone
Recent buyingNone
Recent salesHigh
Buy signal statusInactive
Score anatomy

No score is calculated because there is no qualifying purchase in the active window. Unavailable inputs are not treated as zero or as a bearish signal.

ClusterNot calculated
Purchase sizeNot calculated
RoleNot calculated
RecencyNot calculated
ConvictionNot calculated

Why is there no score?

  • No qualifying open-market purchase supplies cluster, size, role, recency or conviction inputs.
  • Sales and other Form 4 activity remain visible as context and do not create a negative score.

Sales and other Form 4 activity are shown separately and do not create a negative buy signal. Absence of buying is not scored as bearish.

Insider activity timeline

Owner lanes show the latest 180 days. Symbol shape identifies the transaction type; sales remain context only.

AprMayJunJulAugSepOct
Bergman ArturChief Technology Officer
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
Compton Charles Lacey IIICEO
▼▼▼▼▼▼▼▼▼▼
Lovett Scott R.President, Go to Market
▼▼▼▼▼▼
Ford JeffreyPrincipal Accounting Officer
▼▼
PAISLEY CHRISTOPHER BDirector
○▼
Loop PaulaDirector
○▼
● Purchase▼ Sale○ Other

Showing the six most active owners; 5 additional owner(s) remain in Form 4 evidence.

Purchase breadth, concentration & cluster buying

These modules activate when qualifying purchases enter the 180-day research window.

SIGNAL HISTORY

No recorded active-signal snapshot

Scores are archived only when the company qualifies for a published US buy-signal snapshot. Last qualifying purchase: 2022-06-01 · Daniels Richard Devon.

Recent Form 4 activity

0Purchases
175Sales
24Other Form 4 lines
106SEC filings · 365 days
BUYING0 qualifying P line(s) · 180 days
SELLING87 sale line(s) · context only
OTHER8 exercise / withholding / award / gift / other lines
10b5-1 / PLANNEDNot assessed

P is an open-market or private purchase. S is a sale. M, F, A and G usually describe exercises, tax withholding, awards and gifts. These categories remain visually separate.

Market context

Market context has not been captured for this ticker yet. The daily market-context job processes the US universe in rotating batches.

Short interest

Short interest is external context reported to FINRA by broker-dealers. It does not affect the Insider Signal.

Shares short
21,187,254
Previous report
21,565,154
Avg daily volume
10,267,439
Days to cover
2.1

FINRA settlement date: 2026-09-30 · Captured 2026-10-12 · FINRA equity short interest ↗. A share count, published about a week after each of two settlement dates a month; not a percentage of shares outstanding.

Historical equity purchases

Qualifying code P transactions in the local Form 4 history, including purchases outside the current signal window.

Transaction dateReporting ownerTypeSecuritySharesAvg. priceApprox. valueSource
2022-06-01Daniels Richard DevonPurchase (P)Class A Common Stock5,000USD 12.75USD 63,750SEC filing ↗
2021-05-06Abdiel Capital Advisors, LP; Abdiel Capital LP; Abdiel Capital Management, LLC; Abdiel Qualified Master Fund LP; Moran Colin T.Purchase (P)Class A Common Stock520,000USD 42.58USD 22,143,535SEC filing ↗
2021-03-08Abdiel Capital Advisors, LP; Abdiel Capital LP; Abdiel Capital Management, LLC; Abdiel Qualified Master Fund LP; Moran Colin T.Purchase (P)Class A Common Stock500,000USD 65.41USD 32,706,162SEC filing ↗
2020-05-21Abdiel Capital Advisors, LP; Abdiel Capital LP; Abdiel Capital Management, LLC; Abdiel Qualified Master Fund LP; Moran Colin T.Purchase (P)Class A Common Stock600,000USD 41.50USD 24,900,000SEC filing ↗
2020-03-31Abdiel Capital Advisors, LP; Abdiel Capital LP; Abdiel Capital Management, LLC; Abdiel Qualified Master Fund LP; Moran Colin T.Purchase (P)Class A Common Stock304,977USD 19.08USD 5,818,961SEC filing ↗
2020-03-19Abdiel Capital Advisors, LP; Abdiel Capital LP; Abdiel Capital Management, LLC; Abdiel Qualified Master Fund LP; Moran Colin T.Purchase (P)Class A Common Stock43,715USD 16.08USD 702,730SEC filing ↗
2020-03-13Abdiel Capital Advisors, LP; Abdiel Capital LP; Abdiel Capital Management, LLC; Abdiel Qualified Master Fund LP; Moran Colin T.Purchase (P)Class A Common Stock100,000USD 14.63USD 1,462,641SEC filing ↗
2020-03-12Abdiel Capital Advisors, LP; Abdiel Capital LP; Abdiel Capital Management, LLC; Abdiel Qualified Master Fund LP; Moran Colin T.Purchase (P)Class A. Common Stock485,024USD 14.24USD 6,906,749SEC filing ↗
2020-03-12Abdiel Capital Advisors, LP; Abdiel Capital LP; Abdiel Capital Management, LLC; Abdiel Qualified Master Fund LP; Moran Colin T.Purchase (P)Class A Common Stock14,976USD 14.24USD 213,258SEC filing ↗
2020-03-11Abdiel Capital Advisors, LP; Abdiel Capital LP; Abdiel Capital Management, LLC; Abdiel Qualified Master Fund LP; Moran Colin T.Purchase (P)Class A Common Stock289,643USD 15.65USD 4,533,180SEC filing ↗
2020-03-10Abdiel Capital Advisors, LP; Abdiel Capital LP; Abdiel Capital Management, LLC; Abdiel Qualified Master Fund LP; Moran Colin T.Purchase (P)Class A Common Stock316,294USD 16.97USD 5,366,724SEC filing ↗

Form 4 evidence

199 transaction lines in the latest 365-day window; 1,417 in local history.

DateOwnerTypeSecuritySharesAvg. priceApprox. valueSource
2026-10-12Bergman ArturSale (S)Class A Common Stock37,039USD 26.81USD 993,052SEC filing ↗
2026-10-09Bergman ArturSale (S)Class A Common Stock3,002USD 30.07USD 90,270SEC filing ↗
2026-09-29Bergman ArturSale (S)Class A Common Stock3,961USD 25.26USD 100,055SEC filing ↗
Show recent Form 4 evidence (30 grouped rows)
DateOwnerTypeSecuritySharesAvg. priceApprox. valueSource
2026-10-12Bergman ArturSale (S)Class A Common Stock37,039USD 26.81USD 993,052SEC filing ↗
2026-10-09Bergman ArturSale (S)Class A Common Stock3,002USD 30.07USD 90,270SEC filing ↗
2026-09-29Bergman ArturSale (S)Class A Common Stock3,961USD 25.26USD 100,055SEC filing ↗
2026-09-28Bergman ArturSale (S)Class A Common Stock33,078USD 24.75USD 818,776SEC filing ↗
2026-09-23Bergman ArturSale (S)Class A Common Stock379,602USD 30.16USD 11,447,909SEC filing ↗
2026-09-22Bergman ArturSale (S)Class A Common Stock27,900USD 27.82USD 776,178SEC filing ↗
2026-09-21Bergman ArturSale (S)Class A Common Stock49,146USD 27.38USD 1,345,771SEC filing ↗
2026-09-17Lovett Scott R.Sale (S)Class A Common Stock41,815USD 24.64USD 1,030,529SEC filing ↗
2026-09-17Ford JeffreySale (S)Class A Common Stock45,832USD 24.65USD 1,129,538SEC filing ↗
2026-09-17Bergman ArturSale (S)Class A Common Stock2,200USD 25.30USD 55,660SEC filing ↗
2026-09-16Lovett Scott R.Sale (S)Class A Common Stock34,820USD 23.85USD 830,457SEC filing ↗
2026-09-16Ford JeffreySale (S)Class A Common Stock37,091USD 23.84USD 884,249SEC filing ↗
2026-09-15Bergman ArturSale (S)Class A Common Stock2,500USD 25.14USD 62,850SEC filing ↗
2026-09-14Compton Charles Lacey IIISale (S)Class A Common Stock50,392USD 24.93USD 1,256,273SEC filing ↗
2026-09-14Bergman ArturSale (S)Class A Common Stock31,079USD 24.53USD 762,301SEC filing ↗
2026-09-09Bergman ArturSale (S)Class A Common Stock8,960USD 22.72USD 203,614SEC filing ↗
2026-09-08Compton Charles Lacey IIISale (S)Class A Common Stock2,436USD 21.23USD 51,716SEC filing ↗
2026-09-08Bergman ArturSale (S)Class A Common Stock300USD 22.51USD 6,753SEC filing ↗
2026-09-03Bergman ArturSale (S)Class A Common Stock36,095USD 20.79USD 750,249SEC filing ↗
2026-09-02Compton Charles Lacey IIISale (S)Class A Common Stock9,458USD 20.42USD 193,132SEC filing ↗
2026-09-01Compton Charles Lacey IIISale (S)Class A Common Stock55,579USD 21.39USD 1,188,801SEC filing ↗
2026-08-31PAISLEY CHRISTOPHER BSale (S)Class A Common Stock3,000USD 23.00USD 69,000SEC filing ↗
2026-08-31Lovett Scott R.Sale (S)Class A Common Stock19,624USD 23.00USD 451,352SEC filing ↗
2026-08-31Compton Charles Lacey IIISale (S)Class A Common Stock15,028USD 23.00USD 345,644SEC filing ↗
2026-08-31Bergman ArturSale (S)Class A Common Stock6,225USD 23.00USD 143,175SEC filing ↗
2026-08-27Bergman ArturSale (S)Class A Common Stock851USD 24.08USD 20,492SEC filing ↗
2026-08-21WONG RICHARDSale (S)Class A Common Stock47,676USD 24.09USD 1,148,288SEC filing ↗
2026-08-19Compton Charles Lacey IIISale (S)Class A Common Stock11,198USD 24.69USD 276,427SEC filing ↗
2026-08-19Bergman ArturSale (S)Class A Common Stock31,687USD 24.72USD 783,341SEC filing ↗
2026-08-18WONG RICHARDSale (S)Class A Common Stock148,015USD 28.61USD 4,234,709SEC filing ↗

Multiple price lines in one filing are grouped and share-weighted. Price and value are blank when a grouped filing line lacks price evidence.

Snapshot & identity

Snapshot date2026-10-18
Ranking versionUS-v1.2
Data qualityPASS ELIGIBLE · —
TickerFSLY
CIK0001517413
SectorTechnology
IndustrySoftware—Application Yahoo Finance
SEC SIC7372 Services-Prepackaged Software
ExchangeNasdaq

Data coverage

Local Form 4 history1,417 transaction lines from 2020-01-02 to 2026-10-12
42 P purchase lines · 1,019 S sale lines · 356 other lines
SEC company submissionsOpen SEC filings ↗

Local ledger as of 2026-10-18. Mapping status is an audit field and does not erase SEC filing evidence.