Get email alerts when NET insiders make a move — free, no credit card

NET Insider Trading & Form 4 Activity

Cloudflare, Inc.
Last filing: Jul 17, 2026·8 days ago
NEUTRAL · LAST 90 DAYS
0%
buyers
$0
0 buys
$0
0 sells
$0
net buying
0
insiders
Tracking NET insiders takes 3 seconds. Get free alerts →

Net flow — last 12 months

Monthly net of insider buys minus sells. Green months indicate net buying; red months indicate net selling.

Most active insiders

Ranked by total transaction value over the last 90 days.

INSIDERBOUGHTSOLDNET
Prince Matthew
CEO & Board Co-Chair
$106.3M
-$106.3M
Zatlyn Michelle
President and Board Co-Chair
$63.3M
-$63.3M
Ledbetter Carl
Insider
$8.6M
-$8.6M
Seifert Thomas J
Chief Financial Officer
$6.7M
-$6.7M
Starzak Alissa Michelle
Chief Legal Officer
$3.5M
-$3.5M
Graham-Cumming John
Insider
$1.7M
-$1.7M
Riley Janel
Chief Accounting Officer
$1.3M
-$1.3M
Suder Katrin
Insider
$74K
-$74K

Recent transactions

Every Form 4 transaction for NET, newest first.

SELL10b5-1
Seifert Thomas J · Chief Financial Officer
Tx Jul 17·Filed Jul 17·EDGAR ↗
3,299 sh @ $277.68
$916K
OTHER10b5-1
Seifert Thomas J · Chief Financial Officer
Tx Jul 17·Filed Jul 17·EDGAR ↗
10,000 sh
SELL10b5-1
Seifert Thomas J · Chief Financial Officer
Tx Jul 17·Filed Jul 17·EDGAR ↗
1,559 sh @ $275.79
$430K
SELL10b5-1
Seifert Thomas J · Chief Financial Officer
Tx Jul 17·Filed Jul 17·EDGAR ↗
300 sh @ $270.50
$81K
SELL10b5-1
Seifert Thomas J · Chief Financial Officer
Tx Jul 17·Filed Jul 17·EDGAR ↗
1,201 sh @ $278.76
$335K
SELL10b5-1
Seifert Thomas J · Chief Financial Officer
Tx Jul 17·Filed Jul 17·EDGAR ↗
200 sh @ $266.19
$53K
SELL10b5-1
Seifert Thomas J · Chief Financial Officer
Tx Jul 17·Filed Jul 17·EDGAR ↗
100 sh @ $267.76
$27K
SELL10b5-1
Seifert Thomas J · Chief Financial Officer
Tx Jul 17·Filed Jul 17·EDGAR ↗
500 sh @ $274.60
$137K
SELL10b5-1
Seifert Thomas J · Chief Financial Officer
Tx Jul 17·Filed Jul 17·EDGAR ↗
1,741 sh @ $276.63
$482K
SELL10b5-1
Seifert Thomas J · Chief Financial Officer
Tx Jul 17·Filed Jul 17·EDGAR ↗
800 sh @ $279.91
$224K
TAX10b5-1
Seifert Thomas J · Chief Financial Officer
Tx Jul 15·Filed Jul 17·EDGAR ↗
2,943 sh @ $281.75
$829K
SELL10b5-1
Zatlyn Michelle · President and Board Co-Chair
Tx Jul 15·Filed Jul 15·EDGAR ↗
7,201 sh @ $285.81
$2.1M
SELL10b5-1
Zatlyn Michelle · President and Board Co-Chair
Tx Jul 15·Filed Jul 15·EDGAR ↗
756 sh @ $289.88
$219K
SELL10b5-1
Zatlyn Michelle · President and Board Co-Chair
Tx Jul 15·Filed Jul 15·EDGAR ↗
8,444 sh @ $286.66
$2.4M
OTHER10b5-1
Zatlyn Michelle · President and Board Co-Chair
Tx Jul 15·Filed Jul 15·EDGAR ↗
33,003 sh
SELL10b5-1
Zatlyn Michelle · President and Board Co-Chair
Tx Jul 15·Filed Jul 15·EDGAR ↗
3,257 sh @ $283.69
$924K
SELL10b5-1
Zatlyn Michelle · President and Board Co-Chair
Tx Jul 15·Filed Jul 15·EDGAR ↗
5,248 sh @ $284.68
$1.5M
SELL10b5-1
Zatlyn Michelle · President and Board Co-Chair
Tx Jul 15·Filed Jul 15·EDGAR ↗
1,185 sh @ $287.56
$341K
SELL10b5-1
Zatlyn Michelle · President and Board Co-Chair
Tx Jul 15·Filed Jul 15·EDGAR ↗
6,912 sh @ $289.07
$2.0M
SELL10b5-1
Zatlyn Michelle · President and Board Co-Chair
Tx Jul 14·Filed Jul 15·EDGAR ↗
1,246 sh @ $267.17
$333K
SELL10b5-1
Zatlyn Michelle · President and Board Co-Chair
Tx Jul 14·Filed Jul 15·EDGAR ↗
9,617 sh @ $281.40
$2.7M
SELL10b5-1
Zatlyn Michelle · President and Board Co-Chair
Tx Jul 14·Filed Jul 15·EDGAR ↗
196 sh @ $269.99
$53K
SELL10b5-1
Zatlyn Michelle · President and Board Co-Chair
Tx Jul 14·Filed Jul 15·EDGAR ↗
2,861 sh @ $282.13
$807K
SELL10b5-1
Zatlyn Michelle · President and Board Co-Chair
Tx Jul 14·Filed Jul 15·EDGAR ↗
2,671 sh @ $276.93
$740K
SELL10b5-1
Zatlyn Michelle · President and Board Co-Chair
Tx Jul 14·Filed Jul 15·EDGAR ↗
1,294 sh @ $278.07
$360K
SELL10b5-1
Zatlyn Michelle · President and Board Co-Chair
Tx Jul 14·Filed Jul 15·EDGAR ↗
1,702 sh @ $275.91
$470K
SELL10b5-1
Zatlyn Michelle · President and Board Co-Chair
Tx Jul 14·Filed Jul 15·EDGAR ↗
1,626 sh @ $279.26
$454K
SELL10b5-1
Zatlyn Michelle · President and Board Co-Chair
Tx Jul 14·Filed Jul 15·EDGAR ↗
1,292 sh @ $272.75
$352K
SELL10b5-1
Zatlyn Michelle · President and Board Co-Chair
Tx Jul 14·Filed Jul 15·EDGAR ↗
1,254 sh @ $268.66
$337K
SELL10b5-1
Zatlyn Michelle · President and Board Co-Chair
Tx Jul 14·Filed Jul 15·EDGAR ↗
1,957 sh @ $273.95
$536K
SELL10b5-1
Zatlyn Michelle · President and Board Co-Chair
Tx Jul 14·Filed Jul 15·EDGAR ↗
5,093 sh @ $280.13
$1.4M
OTHER10b5-1
Zatlyn Michelle · President and Board Co-Chair
Tx Jul 14·Filed Jul 15·EDGAR ↗
33,003 sh
SELL10b5-1
Zatlyn Michelle · President and Board Co-Chair
Tx Jul 14·Filed Jul 15·EDGAR ↗
2,194 sh @ $275.02
$603K
SELL10b5-1
Zatlyn Michelle · President and Board Co-Chair
Tx Jul 13·Filed Jul 15·EDGAR ↗
6,157 sh @ $265.88
$1.6M
SELL10b5-1
Zatlyn Michelle · President and Board Co-Chair
Tx Jul 13·Filed Jul 15·EDGAR ↗
7,059 sh @ $266.88
$1.9M
OTHER10b5-1
Zatlyn Michelle · President and Board Co-Chair
Tx Jul 13·Filed Jul 15·EDGAR ↗
33,058 sh
SELL10b5-1
Zatlyn Michelle · President and Board Co-Chair
Tx Jul 13·Filed Jul 15·EDGAR ↗
7,931 sh @ $264.03
$2.1M
SELL10b5-1
Zatlyn Michelle · President and Board Co-Chair
Tx Jul 13·Filed Jul 15·EDGAR ↗
4,948 sh @ $267.97
$1.3M
SELL10b5-1
Zatlyn Michelle · President and Board Co-Chair
Tx Jul 13·Filed Jul 15·EDGAR ↗
6,446 sh @ $264.79
$1.7M
SELL10b5-1
Zatlyn Michelle · President and Board Co-Chair
Tx Jul 13·Filed Jul 15·EDGAR ↗
517 sh @ $268.68
$139K
SELL10b5-1
Ledbetter Carl · Insider
Tx Jul 7·Filed Jul 8·EDGAR ↗
5,000 sh @ $268.11
$1.3M
SELL10b5-1
Graham-Cumming John · Insider
Tx Jul 6·Filed Jul 7·EDGAR ↗
686 sh @ $247.44
$170K
SELL10b5-1
Graham-Cumming John · Insider
Tx Jul 6·Filed Jul 7·EDGAR ↗
940 sh @ $246.28
$232K
SELL10b5-1
Graham-Cumming John · Insider
Tx Jul 6·Filed Jul 7·EDGAR ↗
562 sh @ $248.44
$140K
SELL10b5-1
Graham-Cumming John · Insider
Tx Jul 6·Filed Jul 7·EDGAR ↗
138 sh @ $245.60
$34K
EXERCISE10b5-1
Graham-Cumming John · Insider
Tx Jul 6·Filed Jul 7·EDGAR ↗
2,520 sh @ $44.72
$113K
SELL10b5-1
Graham-Cumming John · Insider
Tx Jul 6·Filed Jul 7·EDGAR ↗
182 sh @ $249.38
$45K
SELL10b5-1
Graham-Cumming John · Insider
Tx Jul 6·Filed Jul 7·EDGAR ↗
12 sh @ $250.15
$3K
SELL10b5-1
Prince Matthew · CEO & Board Co-Chair
Tx Jul 6·Filed Jul 6·EDGAR ↗
11,370 sh @ $246.24
$2.8M
SELL10b5-1
Prince Matthew · CEO & Board Co-Chair
Tx Jul 6·Filed Jul 6·EDGAR ↗
3,288 sh @ $249.20
$819K

Track every ticker you care about

Free plan includes 3 tickers, daily insider scans, and cluster alerts. No credit card.

Start free (3 tickers)See plans

Join investors tracking SEC filings.

About NET insider trading data

Form 4 is the SEC filing required when an officer, director, or 10% owner of a public company buys or sells the company's stock. By law, these filings must be submitted within two business days of the trade. Tracenotes pulls every Form 4 filing for NET from EDGAR, parses it, and surfaces the activity on this page.

What insider buying tells you. Open-market purchases by insiders are widely studied as a meaningful signal. Unlike stock awards (which are compensation, not conviction), an executive spending their own money to buy shares of the company they run is a vote of confidence. Studies have found insider-buying clusters — three or more insiders buying within a short window — outperform the broader market over the following year.

What insider selling tells you. Selling is noisier. Many sales are pre-scheduled under SEC Rule 10b5-1 plans, which let insiders sell on a fixed schedule regardless of company news. We label these "10b5-1" so you can see them. Discretionary sales — sales not tied to a plan — are more meaningful, especially when multiple insiders sell in quick succession.

Tracenotes methodology. We scan EDGAR daily for new Form 4 filings, parse them into individual transactions, and detect clusters when three or more distinct insiders buy or sell within a 14-day window. The data on this page covers the last 12 months. For deeper analysis, Tracenotes also runs language-change detection on 10-K and 10-Q filings — that's our core product.

See this for every ticker.

Tracenotes covers the S&P 500 and beyond. Pick any ticker — get the same depth of insider trading data.

AAPLNVDAMSFTTSLA

Free plan available — no credit card. Sign up free →

Frequently asked questions

What is a Form 4 filing?

Form 4 is the SEC disclosure required when a company insider — an officer, director, or 10% owner — buys or sells the company's stock. By law these filings must be submitted within two business days of the trade.

Is insider buying NET always bullish?

Open-market purchases by insiders are widely viewed as a bullish signal because executives are spending their own money. Stock awards and option exercises are part of compensation and don't carry the same weight, which is why we treat them separately on this page.

What is a 10b5-1 trade?

A trade made under SEC Rule 10b5-1, which lets insiders pre-schedule sales weeks or months in advance. These sales execute on a fixed plan regardless of company news, so they're a weaker signal than discretionary sales. We label them with a "10b5-1" tag.

What is an insider cluster?

A cluster is when three or more distinct insiders buy or sell within a 14-day window. Clusters are studied as stronger signals than single trades because multiple people independently reach the same view. We surface active clusters on Cloudflare, Inc. (NET) when they form.

Where does NET insider trading data come from?

Every Form 4 filing for NET is sourced directly from SEC EDGAR. Tracenotes scans EDGAR daily, parses each Form 4 into individual transactions, and updates this page within hours of new filings.

Nothing on this page constitutes investment advice. Form 4 data is sourced from SEC EDGAR and provided for research purposes only.

© 2026 Tracenotes · tracenotes.ai