sellModerate cluster of 710b5-1 plan
Michelle Zatlyn sold $28M of NET
President and Board Co-Chair at Cloudflare, Inc.. 99,009 shares at an average of $285.71, traded Aug 19, 2026, filed Aug 21, 2026.
Warning score
45Value
$28M
99,009 shares
Holdings after
69,775
-96% from before
From 52-week low
+82%
low $160.19, close $291.88
From 52-week high
-12%
high $330.83, as of Aug 19, 2026
Score components
- +20RolePresident
- +25Trade size$28.3M at market
- +20Share of holdings soldSold 96% of holdings
- +15Cluster7 insiders selling within 14 days
- -15Exercise and sellShares came from an option exercise in the same filing
- -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 9, 2026 · close 360.93
Since filing Aug 21, 2026: +23.1%SPY +1.9% · excess +21.3%
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 0001786951-26-000018, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Aug 19, 2026 | CConversion Class A Common Stockindirect: See footnote10b5-1 | +33,003 | - | - | 102,778 | Aug 21, 2026 |
| Aug 19, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -4,298 | $290.86 | $1.3M | 98,480 | Aug 21, 2026 |
| Aug 19, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -3,971 | $291.78 | $1.2M | 94,509 | Aug 21, 2026 |
| Aug 19, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -1,546 | $292.87 | $453k | 92,963 | Aug 21, 2026 |
| Aug 19, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -1,420 | $293.42 | $417k | 91,543 | Aug 21, 2026 |
| Aug 19, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -10,604 | $295.31 | $3.1M | 80,939 | Aug 21, 2026 |
| Aug 19, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -7,566 | $296.31 | $2.2M | 73,373 | Aug 21, 2026 |
| Aug 19, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -1,554 | $297.10 | $462k | 71,819 | Aug 21, 2026 |
| Aug 19, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -824 | $297.99 | $246k | 70,995 | Aug 21, 2026 |
| Aug 19, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -1,217 | $298.98 | $364k | 69,778 | Aug 21, 2026 |
| Aug 19, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -3 | $300.84 | $903 | 69,775 | Aug 21, 2026 |
| Aug 20, 2026 | CConversion Class A Common Stockindirect: See footnote10b5-1 | +33,003 | - | - | 102,778 | Aug 21, 2026 |
| Aug 20, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -7,007 | $283.21 | $2.0M | 95,771 | Aug 21, 2026 |
| Aug 20, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -8,646 | $284.05 | $2.5M | 87,125 | Aug 21, 2026 |
| Aug 20, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -8,467 | $285.16 | $2.4M | 78,658 | Aug 21, 2026 |
| Aug 20, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -3,109 | $286.10 | $889k | 75,549 | Aug 21, 2026 |
| Aug 20, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -2,335 | $287.00 | $670k | 73,214 | Aug 21, 2026 |
| Aug 20, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -2,544 | $288.01 | $733k | 70,670 | Aug 21, 2026 |
| Aug 20, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -136 | $289.30 | $39k | 70,534 | Aug 21, 2026 |
| Aug 20, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -759 | $291.80 | $221k | 69,775 | Aug 21, 2026 |
| Aug 21, 2026 | CConversion Class A Common Stockindirect: See footnote10b5-1 | +33,003 | - | - | 102,778 | Aug 21, 2026 |
| Aug 21, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -2,206 | $274.47 | $605k | 100,572 | Aug 21, 2026 |
| Aug 21, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -8,990 | $275.66 | $2.5M | 91,582 | Aug 21, 2026 |
| Aug 21, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -4,236 | $276.67 | $1.2M | 87,346 | Aug 21, 2026 |
| Aug 21, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -5,642 | $277.95 | $1.6M | 81,704 | Aug 21, 2026 |
| Aug 21, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -5,624 | $278.78 | $1.6M | 76,080 | Aug 21, 2026 |
| Aug 21, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -5,259 | $279.72 | $1.5M | 70,821 | Aug 21, 2026 |
| Aug 21, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -956 | $280.42 | $268k | 69,865 | Aug 21, 2026 |
| Aug 21, 2026 | SOpen-market sale Class A Common Stockindirect: See footnote10b5-1 | -90 | $281.31 | $25k | 69,775 | Aug 21, 2026 |
| Aug 19, 2026 | MOption exercise Employee Stock Option (right to buy)derivative10b5-1 | -33,003 | $0.00 | $0 | 1,155,105 | Aug 21, 2026 |
| Aug 19, 2026 | MOption exercise Class B Common Stockderivative10b5-1 | +33,003 | $0.00 | $0 | 33,003 | Aug 21, 2026 |
| Aug 19, 2026 | CConversion Class B Common Stockderivative10b5-1 | -33,003 | $0.00 | $0 | 0 | Aug 21, 2026 |
| Aug 20, 2026 | MOption exercise Employee Stock Option (right to buy)derivative10b5-1 | -33,003 | $0.00 | $0 | 1,122,102 | Aug 21, 2026 |
| Aug 20, 2026 | MOption exercise Class B Common Stockderivative10b5-1 | +33,003 | $0.00 | $0 | 33,003 | Aug 21, 2026 |
| Aug 20, 2026 | CConversion Class B Common Stockderivative10b5-1 | -33,003 | $0.00 | $0 | 0 | Aug 21, 2026 |
| Aug 21, 2026 | MOption exercise Employee Stock Option (right to buy)derivative10b5-1 | -33,003 | $0.00 | $0 | 1,089,099 | Aug 21, 2026 |
| Aug 21, 2026 | MOption exercise Class B Common Stockderivative10b5-1 | +33,003 | $0.00 | $0 | 33,003 | Aug 21, 2026 |
| Aug 21, 2026 | CConversion Class B Common Stockderivative10b5-1 | -33,003 | $0.00 | $0 | 0 | Aug 21, 2026 |
Related signals
Other insiders at Cloudflare, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| Pro nowfree Oct 14, 2026 | 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% | |
| 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% | |
| 35Weak | Cloudflare, Inc. | Carl Ledbetter director | $1.4M 5,000 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.