sellNotable cluster of 610b5-1 plan
Matthew Prince sold $23M of NET
CEO & Board Co-Chair at Cloudflare, Inc.. 104,768 shares at an average of $221.65, traded Jun 22, 2026, filed Jun 24, 2026.
Warning score
65Value
$23M
104,768 shares
Holdings after
0
-200% from before
From 52-week low
+36%
low $160.19, close $218.38
From 52-week high
-20%
high $272.66, as of Jun 22, 2026
Score components
- +25RoleCEO
- +25Trade size$23.2M at market
- +20Share of holdings soldSold 100% of holdings
- +15Cluster6 insiders selling within 14 days
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
NETOct 13, 2026 · close 347.70
Since filing Jun 24, 2026: +55.6%SPY +6.4% · excess +49.2%
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001786925-26-000023, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Jun 22, 2026 | CConversion Class A Common Stockindirect: See footnote10b5-1 | +26,834 | - | - | 52,384 | Jun 24, 2026 |
| Jun 22, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -3,990 | $212.97 | $850k | 48,394 | Jun 24, 2026 |
| Jun 22, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -2,543 | $213.97 | $544k | 45,851 | Jun 24, 2026 |
| Jun 22, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -4,560 | $214.94 | $980k | 41,291 | Jun 24, 2026 |
| Jun 22, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -6,268 | $216.07 | $1.4M | 35,023 | Jun 24, 2026 |
| Jun 22, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -7,752 | $216.97 | $1.7M | 27,271 | Jun 24, 2026 |
| Jun 22, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -8,697 | $217.96 | $1.9M | 18,574 | Jun 24, 2026 |
| Jun 22, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -2,834 | $218.73 | $620k | 15,740 | Jun 24, 2026 |
| Jun 22, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -4,915 | $220.11 | $1.1M | 10,825 | Jun 24, 2026 |
| Jun 22, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -3,583 | $220.99 | $792k | 7,242 | Jun 24, 2026 |
| Jun 22, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -2,258 | $222.09 | $501k | 4,984 | Jun 24, 2026 |
| Jun 22, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -2,868 | $223.08 | $640k | 2,116 | Jun 24, 2026 |
| Jun 22, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -1,818 | $223.97 | $407k | 298 | Jun 24, 2026 |
| Jun 22, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -298 | $225.03 | $67k | 0 | Jun 24, 2026 |
| Jun 23, 2026 | CConversion Class A Common Stockindirect: See footnote10b5-1 | +52,384 | - | - | 52,384 | Jun 24, 2026 |
| Jun 23, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -395 | $216.21 | $85k | 51,989 | Jun 24, 2026 |
| Jun 23, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -483 | $217.20 | $105k | 51,506 | Jun 24, 2026 |
| Jun 23, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -370 | $218.20 | $81k | 51,136 | Jun 24, 2026 |
| Jun 23, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -825 | $219.31 | $181k | 50,311 | Jun 24, 2026 |
| Jun 23, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -1,030 | $220.58 | $227k | 49,281 | Jun 24, 2026 |
| Jun 23, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -3,339 | $221.33 | $739k | 45,942 | Jun 24, 2026 |
| Jun 23, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -5,522 | $222.47 | $1.2M | 40,420 | Jun 24, 2026 |
| Jun 23, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -2,134 | $223.28 | $476k | 38,286 | Jun 24, 2026 |
| Jun 23, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -5,459 | $224.64 | $1.2M | 32,827 | Jun 24, 2026 |
| Jun 23, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -10,478 | $225.32 | $2.4M | 22,349 | Jun 24, 2026 |
| Jun 23, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -5,059 | $226.25 | $1.1M | 17,290 | Jun 24, 2026 |
| Jun 23, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -5,975 | $227.61 | $1.4M | 11,315 | Jun 24, 2026 |
| Jun 23, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -4,538 | $228.65 | $1.0M | 6,777 | Jun 24, 2026 |
| Jun 23, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -6,666 | $229.37 | $1.5M | 111 | Jun 24, 2026 |
| Jun 23, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -111 | $230.04 | $26k | 0 | Jun 24, 2026 |
| Jun 22, 2026 | CConversion Class B Common Stockderivativeindirect: See footnote10b5-1 | -26,834 | $0.00 | $0 | 4,400,935 | Jun 24, 2026 |
| Jun 23, 2026 | CConversion Class B Common Stockderivativeindirect: See footnote10b5-1 | -52,384 | $0.00 | $0 | 4,348,551 | Jun 24, 2026 |
Related signals
Other insiders at Cloudflare, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 38Weak | Cloudflare, Inc. | Michelle Zatlyn President and Board Co-Chair | $35M 99,009 shares | -96% | |
| 35Weak | Cloudflare, Inc. | Carl Ledbetter director | $1.8M 5,000 shares | -1% | |
| 27Weak | Cloudflare, Inc. | Thomas J Seifert Chief Financial Officer | $3.3M 10,000 shares | -8% | |
| 35Weak | Cloudflare, Inc. | Carl Ledbetter director | $1.6M 5,000 shares | -1% | |
| 45Moderate | Cloudflare, Inc. | Michelle Zatlyn PRESIDENT & BOARD CO-CHAIR | $28M 99,009 shares | -96% | |
| 45Moderate | Cloudflare, Inc. | Michelle Zatlyn President and Board Co-Chair | $28M 99,009 shares | -96% | |
| 27Weak | Cloudflare, Inc. | Thomas J Seifert Chief Financial Officer | $3.1M 10,000 shares | -8% | |
| 25Weak | Cloudflare, Inc. | Janel Riley Chief Accounting Officer | $1.6M 5,148 shares | -11% | |
| 20Weak | Cloudflare, Inc. | Alissa Michelle Starzak Chief Legal Officer | $1.8M 5,871 shares | -5% | |
| 17Weak | Cloudflare, Inc. | John Graham-Cumming director | $766k 2,520 shares | -1% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.