Insiders / Seifert Thomas J / Activity

Activity — Seifert Thomas J

44 moves.

BiggestBiggest buysBiggest sellsHighest impact
InsidersInstitutions
DateActionCompanyValueShares ΔPosition afterImpact
Feb 15, 2026OtherNET
Cloudflare, Inc.
Class A Common Stock
$4.01M-20K
-14.89%
117,009
0.03% of shares
low
Feb 20, 2026SellNET
Cloudflare, Inc.
Class A Common Stock
$1.55M-8K
-8.00%
93,484
0.03% of shares
medium
Feb 20, 2026SellNET
Cloudflare, Inc.
Class A Common Stock
$1.47M-8K
-6.52%
118,730
0.03% of shares
medium
Mar 17, 2026SellNET
Cloudflare, Inc.
Class A Common Stock
$1.06M-5K
-2.16%
226,625
0.06% of shares
medium
Feb 20, 2026SellNET
Cloudflare, Inc.
Class A Common Stock
$916.9K-5K
-5.10%
88,713
0.02% of shares
medium
Feb 20, 2026SellNET
Cloudflare, Inc.
Class A Common Stock
$839.1K-5K
-3.96%
114,030
0.03% of shares
medium
Mar 17, 2026SellNET
Cloudflare, Inc.
Class A Common Stock
$643.7K-3K
-1.30%
231,625
0.07% of shares
medium
Mar 15, 2026OtherNET
Cloudflare, Inc.
Class A Common Stock
$625.2K-3K
-1.29%
224,625
0.06% of shares
low
Jan 20, 2026SellNET
Cloudflare, Inc.
Class A Common Stock
$615.1K-3K
-2.37%
143,086
0.04% of shares
medium
Feb 20, 2026SellNET
Cloudflare, Inc.
Class A Common Stock
$534.2K-3K
-3.12%
85,947
0.02% of shares
medium
Feb 20, 2026SellNET
Cloudflare, Inc.
Class A Common Stock
$497.4K-3K
-2.51%
101,617
0.03% of shares
medium
Feb 20, 2026SellNET
Cloudflare, Inc.
Class A Common Stock
$430.8K-2K
-2.10%
111,630
0.03% of shares
medium
Mar 17, 2026SellNET
Cloudflare, Inc.
Class A Common Stock
$426.5K-2K
-0.88%
224,625
0.06% of shares
medium
Feb 20, 2026SellNET
Cloudflare, Inc.
Class A Common Stock
$343.3K-2K
-1.70%
109,730
0.03% of shares
medium
Jan 20, 2026SellNET
Cloudflare, Inc.
Class A Common Stock
$342.2K-2K
-1.36%
138,186
0.04% of shares
medium
Jan 20, 2026SellNET
Cloudflare, Inc.
Class A Common Stock
$320.5K-2K
-1.26%
141,286
0.04% of shares
medium
Feb 20, 2026SellNET
Cloudflare, Inc.
Class A Common Stock
$272.7K-2K
-1.37%
108,230
0.03% of shares
medium
Feb 20, 2026SellNET
Cloudflare, Inc.
Class A Common Stock
$237.3K-1K
-1.20%
106,930
0.03% of shares
medium
Jan 20, 2026SellNET
Cloudflare, Inc.
Class A Common Stock
$215.3K-1K
-0.85%
140,086
0.04% of shares
medium
Feb 20, 2026SellNET
Cloudflare, Inc.
Class A Common Stock
$183.8K-1K
-0.94%
105,930
0.03% of shares
medium
Jan 20, 2026SellNET
Cloudflare, Inc.
Class A Common Stock
$163.6K-928
-0.63%
146,558
0.04% of shares
medium
Feb 20, 2026SellNET
Cloudflare, Inc.
Class A Common Stock
$129.6K-700
-0.66%
105,230
0.03% of shares
medium
Jan 20, 2026SellNET
Cloudflare, Inc.
Class A Common Stock
$108.8K-600
-0.43%
137,586
0.04% of shares
medium
Feb 20, 2026SellNET
Cloudflare, Inc.
Class A Common Stock
$93.0K-500
-0.48%
104,730
0.03% of shares
low
Feb 20, 2026SellNET
Cloudflare, Inc.
Class A Common Stock
$76.6K-395
-0.46%
85,552
0.02% of shares
low
Feb 20, 2026SellNET
Cloudflare, Inc.
Class A Common Stock
$56.6K-300
-0.29%
104,230
0.03% of shares
low
Mar 17, 2026SellNET
Cloudflare, Inc.
Class A Common Stock
$41.5K-200
-0.09%
234,766
0.07% of shares
low
Feb 20, 2026SellNET
Cloudflare, Inc.
Class A Common Stock
$37.5K-200
-0.19%
104,530
0.03% of shares
low
Mar 17, 2026SellNET
Cloudflare, Inc.
Class A Common Stock
$20.9K-100
-0.04%
234,666
0.07% of shares
low
Feb 20, 2026SellNET
Cloudflare, Inc.
Class A Common Stock
$19.5K-100
-0.12%
85,452
0.02% of shares
low
Jan 20, 2026SellNET
Cloudflare, Inc.
Class A Common Stock
$18.2K-100
-0.07%
137,486
0.04% of shares
low
Feb 6, 2026GrantNET
Cloudflare, Inc.
Class A Common Stock
$0+142K
+166.31%
227,568
0.06% of shares
low
Mar 17, 2026OtherNET
Cloudflare, Inc.
Class B Common Stock
-10K
-53.67%
8,925
<0.01% of shares
low
Mar 17, 2026ExerciseNET
Cloudflare, Inc.
Class B Common Stock
+10K
+115.87%
19,266
<0.01% of shares
low
Mar 17, 2026ExerciseNET
Cloudflare, Inc.
Employee Stock Option (right to buy)
-10K
-14.70%
60,000
0.02% of shares
low
Mar 17, 2026OtherNET
Cloudflare, Inc.
Class A Common Stock
+10K
+4.60%
234,966
0.07% of shares
low
Feb 20, 2026OtherNET
Cloudflare, Inc.
Class B Common Stock
-10K
-52.84%
8,925
<0.01% of shares
low
Feb 20, 2026ExerciseNET
Cloudflare, Inc.
Class B Common Stock
+10K
+112.04%
18,925
<0.01% of shares
low
Feb 20, 2026ExerciseNET
Cloudflare, Inc.
Employee Stock Option (right to buy)
-10K
-12.45%
70,341
0.02% of shares
low
Feb 20, 2026OtherNET
Cloudflare, Inc.
Class A Common Stock
+10K
+8.55%
127,009
0.04% of shares
low
Jan 20, 2026OtherNET
Cloudflare, Inc.
Class B Common Stock
-10K
-52.84%
8,925
<0.01% of shares
low
Jan 20, 2026ExerciseNET
Cloudflare, Inc.
Class B Common Stock
+10K
+112.04%
18,925
<0.01% of shares
low
Jan 20, 2026ExerciseNET
Cloudflare, Inc.
Employee Stock Option (right to buy)
-10K
-11.07%
80,341
0.02% of shares
low
Jan 20, 2026OtherNET
Cloudflare, Inc.
Class A Common Stock
+10K
+7.27%
147,486
0.04% of shares
low
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