Thomas Josef Seifert's Insider Trades & SAST Disclosures

Thomas Josef Seifert's most recent trade in Cloudflare Inc - Ordinary Shares - Class A was a trade of 13,331 Class A Common Stock done at an average price of $191.4 . Disclosure was reported to the exchange on Nov. 20, 2025.

Stock Client Name Client Category Action Reported to Exchange Quantity Post Transaction Holding Traded % Avg. Price Value Security Type
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 191.45 per share. 20 Nov 2025 13,331 163,438 (0%) 0% 191.4 2,552,180 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer 20 Nov 2025 10,000 179,041 (0%) 0% - Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer 20 Nov 2025 10,000 8,925 - - Class B Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 20 Nov 2025 10,000 18,925 - - Class B Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 20 Nov 2025 10,000 100,341 - - Employee Stock Option (right to buy)
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 192.47 per share. 20 Nov 2025 8,666 154,772 (0%) 0% 192.5 1,667,912 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 199.75 per share. 20 Nov 2025 3,400 140,589 (0%) 0% 199.7 679,135 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 193.50 per share. 20 Nov 2025 2,725 152,047 (0%) 0% 193.5 527,289 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 198.83 per share. 20 Nov 2025 2,700 143,989 (0%) 0% 198.8 536,853 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 190.31 per share. 20 Nov 2025 2,272 176,769 (0%) 0% 190.3 432,387 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 194.34 per share. 20 Nov 2025 1,900 150,147 (0%) 0% 194.3 369,246 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 200.42 per share. 20 Nov 2025 1,703 138,886 (0%) 0% 200.4 341,315 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 195.55 per share. 20 Nov 2025 1,500 148,647 (0%) 0% 195.6 293,331 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 197.65 per share. 20 Nov 2025 1,358 146,689 (0%) 0% 197.6 268,403 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 202.31 per share. 20 Nov 2025 1,300 137,586 (0%) 0% 202.3 262,997 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 196.39 per share. 20 Nov 2025 600 148,047 (0%) 0% 196.4 117,835 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 202.96 per share. 20 Nov 2025 100 137,486 (0%) 0% 203.0 20,296 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Payment of exercise price or tax liability using portion of securities received from the company at price $ 210.60 per share. 15 Nov 2025 20,476 169,041 (0%) 0% 210.6 4,312,246 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer 20 Oct 2025 10,000 199,517 (0%) 0% - Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer 20 Oct 2025 10,000 8,925 - - Class B Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 20 Oct 2025 10,000 18,925 - - Class B Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 20 Oct 2025 10,000 110,341 - - Employee Stock Option (right to buy)
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 212.75 per share. 20 Oct 2025 3,846 189,817 (0%) 0% 212.7 818,233 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 211.71 per share. 20 Oct 2025 2,754 193,663 (0%) 0% 211.7 583,043 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 210.78 per share. 20 Oct 2025 2,600 196,417 (0%) 0% 210.8 548,032 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 209.62 per share. 20 Oct 2025 500 199,017 (0%) 0% 209.6 104,810 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 213.40 per share. 20 Oct 2025 300 189,517 (0%) 0% 213.4 64,019 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer 22 Sep 2025 10,000 199,517 (0%) 0% - Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 22 Sep 2025 10,000 120,341 - - Employee Stock Option (right to buy)
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 22 Sep 2025 10,000 18,925 - - Class B Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer 22 Sep 2025 10,000 8,925 - - Class B Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 228.29 per share. 22 Sep 2025 3,022 192,695 (0%) 0% 228.3 689,884 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 229.33 per share. 22 Sep 2025 2,778 189,917 (0%) 0% 229.3 637,065 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 227.15 per share. 22 Sep 2025 1,800 195,717 (0%) 0% 227.1 408,864 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 223.49 per share. 22 Sep 2025 1,000 198,517 (0%) 0% 223.5 223,489 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 224.47 per share. 22 Sep 2025 600 197,917 (0%) 0% 224.5 134,680 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 226.22 per share. 22 Sep 2025 400 197,517 (0%) 0% 226.2 90,489 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 229.93 per share. 22 Sep 2025 400 189,517 (0%) 0% 229.9 91,973 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 190.59 per share. 20 Aug 2025 12,762 205,688 (0%) 0% 190.6 2,432,347 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 192.71 per share. 20 Aug 2025 10,711 190,960 (0%) 0% 192.7 2,064,087 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer 20 Aug 2025 10,000 231,072 (0%) 0% - Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 20 Aug 2025 10,000 130,341 - - Employee Stock Option (right to buy)
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 20 Aug 2025 10,000 18,925 - - Class B Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer 20 Aug 2025 10,000 8,925 - - Class B Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 189.60 per share. 20 Aug 2025 4,073 218,450 (0%) 0% 189.6 772,258 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 191.53 per share. 20 Aug 2025 4,017 201,671 (0%) 0% 191.5 769,382 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 188.67 per share. 20 Aug 2025 3,549 222,523 (0%) 0% 188.7 669,586 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 187.84 per share. 20 Aug 2025 2,300 226,072 (0%) 0% 187.8 432,024 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 185.34 per share. 20 Aug 2025 1,600 229,472 (0%) 0% 185.3 296,536 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 186.56 per share. 20 Aug 2025 1,100 228,372 (0%) 0% 186.6 205,221 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 194.74 per share. 20 Aug 2025 900 189,517 (0%) 0% 194.7 175,269 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 193.64 per share. 20 Aug 2025 543 190,417 (0%) 0% 193.6 105,146 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Payment of exercise price or tax liability using portion of securities received from the company at price $ 195.38 per share. 15 Aug 2025 20,478 221,072 (0%) 0% 195.4 4,000,992 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer 25 Jul 2025 40,911 150,000 - - Class B Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer 25 Jul 2025 40,911 40,911 (0%) 0% - Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 200.28 per share. 25 Jul 2025 36,239 4,672 (0%) 0% 200.3 7,257,972 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer 25 Jul 2025 6,362 46,100 - - Class B Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer 25 Jul 2025 6,362 6,362 (0%) 0% - Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 200.15 per share. 25 Jul 2025 6,362 0 (0%) 0% 200.2 1,273,365 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer 25 Jul 2025 6,257 46,100 - - Class B Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer 25 Jul 2025 6,257 6,257 (0%) 0% - Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 200.09 per share. 25 Jul 2025 6,257 0 (0%) 0% 200.1 1,251,993 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer 25 Jul 2025 5,600 46,100 - - Class B Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer 25 Jul 2025 5,600 5,600 (0%) 0% - Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 200.12 per share. 25 Jul 2025 5,600 0 (0%) 0% 200.1 1,120,666 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 201.20 per share. 25 Jul 2025 4,672 0 (0%) 0% 201.2 939,991 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer 25 Jul 2025 400 400 (0%) 0% - Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer 25 Jul 2025 400 400 (0%) 0% - Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 200.00 per share. 25 Jul 2025 400 0 (0%) 0% 200 80,000 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer 25 Jul 2025 400 400 (0%) 0% - Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 200.00 per share. 25 Jul 2025 400 0 (0%) 0% 200 80,000 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 200.00 per share. 25 Jul 2025 400 0 (0%) 0% 200 80,000 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer 25 Jul 2025 400 400 (0%) 0% - Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 200.00 per share. 25 Jul 2025 400 0 (0%) 0% 200 80,000 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer 25 Jul 2025 400 190,911 - - Class B Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer 25 Jul 2025 400 52,357 - - Class B Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer 25 Jul 2025 400 51,700 - - Class B Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer 25 Jul 2025 400 52,462 - - Class B Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer 21 Jul 2025 10,000 251,550 (0%) 0% - Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer 21 Jul 2025 10,000 8,925 - - Class B Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 21 Jul 2025 10,000 18,925 - - Class B Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 21 Jul 2025 10,000 140,341 - - Employee Stock Option (right to buy)
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer 21 Jul 2025 9,000 9,000 (0%) 0% - Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer 21 Jul 2025 9,000 52,100 - - Class B Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 200.16 per share. 21 Jul 2025 9,000 0 (0%) 0% 200.2 1,801,436 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 200.18 per share. 21 Jul 2025 8,689 0 (0%) 0% 200.2 1,739,333 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer 21 Jul 2025 8,689 8,689 (0%) 0% - Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer 21 Jul 2025 8,689 191,311 - - Class B Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 200.17 per share. 21 Jul 2025 8,343 0 (0%) 0% 200.2 1,670,060 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer 21 Jul 2025 8,343 8,343 (0%) 0% - Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer 21 Jul 2025 8,343 52,757 - - Class B Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer 21 Jul 2025 8,238 52,862 - - Class B Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 200.18 per share. 21 Jul 2025 8,238 0 (0%) 0% 200.2 1,649,054 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer 21 Jul 2025 8,238 8,238 (0%) 0% - Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 197.87 per share. 21 Jul 2025 6,000 245,050 (0%) 0% 197.9 1,187,223 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 198.72 per share. 21 Jul 2025 3,300 241,750 (0%) 0% 198.7 655,773 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 196.53 per share. 21 Jul 2025 500 251,050 (0%) 0% 196.5 98,267 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Sale of securities on an exchange or to another person at price $ 200.16 per share. 21 Jul 2025 200 241,550 (0%) 0% 200.2 40,032 Class A Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 20 Jun 2025 10,000 18,925 - - Class B Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer 20 Jun 2025 10,000 8,925 - - Class B Common Stock
Cloudflare Inc (Class A)
Thomas Josef Seifert Chief Financial Officer Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 20 Jun 2025 10,000 150,341 - - Employee Stock Option (right to buy)
*All Values are in $ Million
Client Category: Promoter/ KMP/ Director / Immediate Relatives / Employee / etc  
Security Type: Share/ Warrants / Convertible Debentures
Data as reported to USA Exchanges
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