SEIFERT THOMAS J

NET

SEIFERT THOMAS J serves as officer: Chief Financial Officer at Cloudflare, Inc. (NET). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

106 trades

$244.96M

Net Position

Net Seller

$244.96M

Companies Traded

NET

Active Period

Mar 2021 – Apr 2026

106 total trades

Most Recent

Sell NET

Apr 17, 2026 · $1.98M

SEIFERT THOMAS J's Insider Trading at Cloudflare, Inc. (NET)

Buys

0 · $0.00

Sells

50 · $89.88M

Total Shares Bought

Total Shares Sold

1,005,911

NET Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Nov 20, 2023	Sell	16,901	$72.13	$1.22M	258,196
Nov 6, 2023	Sell	15,000	$63.18	$947.6K	268,252
Oct 19, 2023	Sell	15,000	$63.03	$945.4K	258,004
Oct 4, 2023	Sell	15,000	$59.23	$888.4K	261,651
Sep 19, 2023	Sell	15,000	$61.75	$926.2K	255,957
Sep 6, 2023	Sell	15,000	$64.53	$967.9K	266,352
Aug 21, 2023	Sell	16,901	$58.33	$985.8K	267,153
Aug 7, 2023	Sell	15,000	$64.86	$972.9K	274,752
Jul 19, 2023	Sell	15,000	$72.24	$1.08M	276,112
Jul 5, 2023	Sell	15,000	$65.60	$983.9K	266,690
Jun 21, 2023	Sell	15,000	$67.28	$1.01M	273,709
Jun 6, 2023	Sell	15,000	$68.88	$1.03M	275,502
May 22, 2023	Sell	16,900	$57.35	$969.2K	278,509
May 4, 2023	Sell	15,000	$42.33	$634.9K	267,745
Apr 19, 2023	Sell	15,000	$64.49	$967.3K	65,196
Apr 3, 2023	Sell	65,000	$60.26	$3.92M	70,565
Mar 21, 2023	Sell	15,000	$53.57	$803.5K	70,814
Feb 28, 2023	Sell	20,000	$60.25	$1.21M	63,055
Feb 17, 2023	Sell	15,209	$64.65	$983.2K	67,137
Feb 14, 2023	Sell	20,000	$62.62	$1.25M	105,133
Jan 31, 2023	Sell	20,000	$50.94	$1.02M	96,551
Jan 18, 2023	Sell	20,000	$45.07	$901.4K	104,533
Jan 4, 2023	Sell	40,000	$44.53	$1.78M	95,105
Dec 6, 2022	Sell	20,000	$44.53	$890.5K	98,029
Nov 22, 2022	Sell	20,000	$45.62	$912.3K	92,294
Nov 8, 2022	Sell	20,000	$40.78	$815.6K	88,415
Apr 14, 2022	Sell	10,000	$115.06	$1.15M	93,249
Mar 30, 2022	Sell	10,000	$129.35	$1.29M	95,733
Mar 17, 2022	Sell	10,000	$100.00	$1.00M	86,433
Feb 22, 2022	Sell	10,000	$106.23	$1.06M	92,938
Jan 20, 2022	Sell	20,000	$95.51	$1.91M	64,905
Jan 5, 2022	Sell	20,000	$114.38	$2.29M	67,990
Dec 22, 2021	Sell	20,000	$139.54	$2.79M	68,939
Dec 8, 2021	Sell	20,000	$157.04	$3.14M	62,575
Nov 24, 2021	Sell	20,000	$183.68	$3.67M	69,810
Nov 10, 2021	Sell	20,000	$204.31	$4.09M	69,632
Oct 28, 2021	Sell	20,000	$186.36	$3.73M	69,056
Oct 13, 2021	Sell	20,000	$148.42	$2.97M	67,016
Sep 29, 2021	Sell	20,000	$114.43	$2.29M	63,296
Sep 15, 2021	Sell	20,000	$127.31	$2.55M	69,856
Aug 31, 2021	Sell	20,000	$121.48	$2.43M	57,938
Aug 18, 2021	Sell	20,000	$119.37	$2.39M	63,731
Aug 5, 2021	Sell	20,000	$118.76	$2.38M	63,960
Jul 22, 2021	Sell	20,000	$106.77	$2.14M	69,152
Jul 7, 2021	Sell	20,000	$108.06	$2.16M	67,356
Jun 25, 2021	Sell	50,000	$105.28	$5.26M	50,156
Jun 23, 2021	Sell	20,000	$102.28	$2.05M	63,616
Jun 15, 2021	Sell	50,000	$95.19	$4.76M	50,156
Jun 10, 2021	Sell	20,000	$89.48	$1.79M	69,656
May 27, 2021	Sell	20,000	$79.72	$1.59M	54,642