SEIFERT THOMAS J Insider Trading Activity

Average Profitability
<0.0001%
Insider Buys Quantity
0
Insider Buys Sum
$0
Insider Sells Quantity
124
Insider Sells Sum
$254.71M

Insider Activity of SEIFERT THOMAS J

According to the SEC Form 4 filings, SEIFERT THOMAS J, being in a position of

  1. Chief Financial Officer at Cloudflare, Inc.,
    оver the last 12 months, has bought 0 shares, and sold 238683 shares for $55.72M,
    over all time since 2002-11-11, has bought 0 shares, and sold 3776366 shares for $352.07M.

Biography of SEIFERT THOMAS J

No biography is available at this moment.

Statistics of Insider Transactions Last Year

Amount of Insider Buys and Sells by Stocks

Buys
$000
Sells
$55,715,01813100

Comparison of Insiders on Amount of Buys and Sells

2026-10-19SaleCloudflare, Inc.
NET
Chief Financial Officer
12,500
0.0035%
$299.59$3.74M+3.31%
2026-08-17SaleCloudflare, Inc.
NET
Chief Financial Officer
10,000
0.0028%
$307.32$3.07M+2.97%
2026-08-04SaleCloudflare, Inc.
NET
Chief Financial Officer
55,000
0.0154%
$300.30$16.52M+3.31%
2026-07-17SaleCloudflare, Inc.
NET
Chief Financial Officer
10,000
0.0029%
$276.92$2.77M+10.56%
2026-06-17SaleCloudflare, Inc.
NET
Chief Financial Officer
10,000
0.0028%
$232.39$2.32M+29.87%
2026-05-18SaleCloudflare, Inc.
NET
Chief Financial Officer
10,000
0.0028%
$200.61$2.01M+40.14%
2026-05-18SaleCloudflare, Inc.
NET
Chief Financial Officer
7,730
0.0022%
$200.12$1.55M+40.14%
2026-04-17SaleCloudflare, Inc.
NET
Chief Financial Officer
10,000
0.0029%
$197.98$1.98M+36.08%
2026-03-17SaleCloudflare, Inc.
NET
Chief Financial Officer
10,341
0.0029%
$212.30$2.2M+27.13%
2026-02-20SaleCloudflare, Inc.
NET
Chief Financial Officer
41,557
0.0123%
$185.04$7.69M+47.99%
2026-01-20SaleCloudflare, Inc.
NET
Chief Financial Officer
10,000
0.0029%
$178.37$1.78M+36.3%
2025-12-22SaleCloudflare, Inc.
NET
Chief Financial Officer
10,000
0.0028%
$201.69$2.02M+12.17%
2025-11-20SaleCloudflare, Inc.
NET
Chief Financial Officer
41,555
0.012%
$194.18$8.07M+13.78%
2025-10-20SaleCloudflare, Inc.
NET
Chief Financial Officer
10,000
0.0029%
$211.81$2.12M+1.93%
2025-09-22SaleCloudflare, Inc.
NET
Chief Financial Officer
10,000
0.0029%
$227.64$2.28M-6.33%
2025-08-20SaleCloudflare, Inc.
NET
Chief Financial Officer
41,555
0.0118%
$190.64$7.92M+9.92%
2025-07-28SaleCloudflare, Inc.
NET
Chief Financial Officer
59,130
0.0171%
$200.30$11.84M+4.77%
2025-07-25SaleCloudflare, Inc.
NET
Chief Financial Officer
400
0.0001%
$200.00$80,000+5.21%
2025-07-21SaleCloudflare, Inc.
NET
Chief Financial Officer
18,689
0.0054%
$199.08$3.72M+5.15%
2025-07-21SaleCloudflare, Inc.
NET
Chief Financial Officer
44,270
0.0129%
$199.71$8.84M+5.15%
Total: 146
Prismo does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.
Information is provided 'as-is' and solely for informational purposes and is not advice. Prismo does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.