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Home/Insider Dashboard/Seifert Thomas J
INSIDER · CIK 1473289

Seifert Thomas J

Chief Financial Officer at Cloudflare, Inc. (NET)

↗11 Form 4 rows in the window

Covers original filings from Jul 31, 2026 to Oct 28, 2026. Older trades and amendments are in the SEC history.

$0.00Bought on the market
$26.7MSold on the market
1Companies
Oct 19, 2026Latest filing
Form 4 trades by Seifert Thomas J
CompanyTitleTypeOwned
Oct 19, 202619:04Oct 19, 2026NETCloudflare, Inc.Chief Financial OfficerS · Sell10b5-1$299.59−12,500104,958-11%−$3.7M
Oct 19, 202619:04Oct 19, 2026NETCloudflare, Inc.Chief Financial OfficerM · Exercise10b5-1$44.72+12,500117,458+12%$559K
Oct 19, 202619:04Oct 15, 2026NETCloudflare, Inc.Chief Financial OfficerF · Tax10b5-1$316.32−2,944104,958-3%$931K
Sep 21, 202616:50Sep 17, 2026NETCloudflare, Inc.Chief Financial OfficerS · Sell10b5-1$332.46−10,000107,902-8%−$3.3M
Sep 21, 202616:50Sep 17, 2026NETCloudflare, Inc.Chief Financial OfficerC · Convert10b5-1—+10,000117,902+9%—
Sep 15, 202619:07Sep 15, 2026NETCloudflare, Inc.Chief Financial OfficerF · Tax$327.23−2,944107,902-3%$963K
Aug 19, 202617:35Aug 17, 2026NETCloudflare, Inc.Chief Financial OfficerS · Sell10b5-1$307.32−10,000110,846-8%−$3.1M
Aug 19, 202617:35Aug 17, 2026NETCloudflare, Inc.Chief Financial OfficerC · Convert10b5-1—+10,000120,846+9%—
Aug 18, 202617:00Aug 15, 2026NETCloudflare, Inc.Chief Financial OfficerF · Tax$315.78−2,944110,846-3%$930K
Aug 6, 202619:03Aug 4, 2026NETCloudflare, Inc.Chief Financial OfficerS · Sell10b5-1$300.30−55,000113,790-33%−$16.5M
Aug 6, 202619:03Aug 4, 2026NETCloudflare, Inc.Chief Financial OfficerM · Exercise10b5-1$44.72+55,000168,790+48%$2.5M
Seifert Thomas J Insider Trades (NET) | Shameless Cloning