SEIFERT THOMAS J

CIK 00014732895 companiesAUSTIN, TX

SEC Profile

Transactions

Companies

Filings

CIK

0001473289

Recent Transactions

50 trades

Sale
Cloudflare, Inc.$NET
Class A Common Stock
2026-03-17$212.57/sh−5,000→ 226,625 total
Exercise/Conversion
Cloudflare, Inc.$NET
Employee Stock Option (right to buy)
2026-03-17−10,341→ 60,000 total
Conversion
Cloudflare, Inc.$NET
Class B Common Stock
2026-03-17−10,341→ 8,925 total
Exercise/Conversion
Cloudflare, Inc.$NET
Class B Common Stock
2026-03-17+10,341→ 19,266 total
Sale
Cloudflare, Inc.$NET
Class A Common Stock
2026-03-17$213.23/sh−2,000→ 224,625 total
Conversion
Cloudflare, Inc.$NET
Class A Common Stock
2026-03-17+10,341→ 234,966 total
Sale
Cloudflare, Inc.$NET
Class A Common Stock
2026-03-17$207.68/sh−200→ 234,766 total
Sale
Cloudflare, Inc.$NET
Class A Common Stock
2026-03-17$208.64/sh−100→ 234,666 total
Sale
Cloudflare, Inc.$NET
Class A Common Stock
2026-03-17$211.69/sh−3,041→ 231,625 total
Tax Payment
Cloudflare, Inc.$NET
Class A Common Stock
2026-03-15$212.45/sh−2,943→ 224,625 total
Sale
Cloudflare, Inc.$NET
Class A Common Stock
2026-02-20$182.53/sh−1,300→ 106,930 total
Conversion
Cloudflare, Inc.$NET
Class A Common Stock
2026-02-20+10,000→ 127,009 total
Sale
Cloudflare, Inc.$NET
Class A Common Stock
2026-02-20$177.18/sh−8,279→ 118,730 total
Sale
Cloudflare, Inc.$NET
Class A Common Stock
2026-02-20$178.53/sh−4,700→ 114,030 total
Conversion
Cloudflare, Inc.$NET
Class B Common Stock
2026-02-20−10,000→ 8,925 total
Exercise/Conversion
Cloudflare, Inc.$NET
Class B Common Stock
2026-02-20+10,000→ 18,925 total
Exercise/Conversion
Cloudflare, Inc.$NET
Employee Stock Option (right to buy)
2026-02-20−10,000→ 70,341 total
Sale
Cloudflare, Inc.$NET
Class A Common Stock
2026-02-20$195.19/sh−100→ 85,452 total
Sale
Cloudflare, Inc.$NET
Class A Common Stock
2026-02-20$194.05/sh−395→ 85,552 total
Sale
Cloudflare, Inc.$NET
Class A Common Stock
2026-02-20$193.12/sh−2,766→ 85,947 total
Sale
Cloudflare, Inc.$NET
Class A Common Stock
2026-02-20$192.18/sh−4,771→ 88,713 total
Sale
Cloudflare, Inc.$NET
Class A Common Stock
2026-02-20$179.51/sh−2,400→ 111,630 total
Sale
Cloudflare, Inc.$NET
Class A Common Stock
2026-02-20$180.68/sh−1,900→ 109,730 total
Sale
Cloudflare, Inc.$NET
Class A Common Stock
2026-02-20$181.82/sh−1,500→ 108,230 total
Sale
Cloudflare, Inc.$NET
Class A Common Stock
2026-02-20$183.78/sh−1,000→ 105,930 total
Sale
Cloudflare, Inc.$NET
Class A Common Stock
2026-02-20$191.13/sh−8,133→ 93,484 total
Sale
Cloudflare, Inc.$NET
Class A Common Stock
2026-02-20$190.35/sh−2,613→ 101,617 total
Sale
Cloudflare, Inc.$NET
Class A Common Stock
2026-02-20$188.77/sh−300→ 104,230 total
Sale
Cloudflare, Inc.$NET
Class A Common Stock
2026-02-20$187.38/sh−200→ 104,530 total
Sale
Cloudflare, Inc.$NET
Class A Common Stock
2026-02-20$186.10/sh−500→ 104,730 total
Sale
Cloudflare, Inc.$NET
Class A Common Stock
2026-02-20$185.09/sh−700→ 105,230 total
Tax Payment
Cloudflare, Inc.$NET
Class A Common Stock
2026-02-15$195.85/sh−20,477→ 117,009 total
Award
Cloudflare, Inc.$NET
Class A Common Stock
2026-02-06+142,116→ 227,568 total
Sale
Cloudflare, Inc.$NET
Class A Common Stock
2026-01-20$179.41/sh−1,200→ 140,086 total
Sale
Cloudflare, Inc.$NET
Class A Common Stock
2026-01-20$181.98/sh−100→ 137,486 total
Exercise/Conversion
Cloudflare, Inc.$NET
Employee Stock Option (right to buy)
2026-01-20−10,000→ 80,341 total
Exercise/Conversion
Cloudflare, Inc.$NET
Class B Common Stock
2026-01-20+10,000→ 18,925 total
Conversion
Cloudflare, Inc.$NET
Class B Common Stock
2026-01-20−10,000→ 8,925 total
Conversion
Cloudflare, Inc.$NET
Class A Common Stock
2026-01-20+10,000→ 147,486 total
Sale
Cloudflare, Inc.$NET
Class A Common Stock
2026-01-20$176.27/sh−928→ 146,558 total
Sale
Cloudflare, Inc.$NET
Class A Common Stock
2026-01-20$177.17/sh−3,472→ 143,086 total
Sale
Cloudflare, Inc.$NET
Class A Common Stock
2026-01-20$178.08/sh−1,800→ 141,286 total
Sale
Cloudflare, Inc.$NET
Class A Common Stock
2026-01-20$180.09/sh−1,900→ 138,186 total
Sale
Cloudflare, Inc.$NET
Class A Common Stock
2026-01-20$181.27/sh−600→ 137,586 total
Conversion
Cloudflare, Inc.$NET
Class B Common Stock
2025-11-20−10,000→ 8,925 total
Sale
Cloudflare, Inc.$NET
Class A Common Stock
2025-11-20$195.55/sh−1,500→ 148,647 total
Sale
Cloudflare, Inc.$NET
Class A Common Stock
2025-11-20$193.50/sh−2,725→ 152,047 total
Sale
Cloudflare, Inc.$NET
Class A Common Stock
2025-11-20$200.42/sh−1,703→ 138,886 total
Conversion
Cloudflare, Inc.$NET
Class A Common Stock
2025-11-20+10,000→ 179,041 total
Sale
Cloudflare, Inc.$NET
Class A Common Stock
2025-11-20$198.83/sh−2,700→ 143,989 total

Companies

Recent Filings

Address

C/O CLOUDFLARE, INC. 405 COMAL STREET

AUSTIN, TX, 78702

View on SEC.gov