SEIFERT THOMAS J
CIK: 0001473289•CHIEF FINANCIAL OFFICER
Officer
Primary company: Cloudflare, Inc. (NET)
SEIFERT THOMAS J is a corporate insider (CHIEF FINANCIAL OFFICER) at Cloudflare, Inc. (NET) filing SEC Form 4 transactions. 1,153 transactions across 5 companies, totaling $0 in purchases and $257,113,837 in sales. Source: SEC EDGAR.
Companies
Transaction History
Source: SEC EDGAR Form 4 insider transaction filings.
Company | Type | Shares | Price | Value | Shares After | Date | SEC |
|---|---|---|---|---|---|---|---|
| Conversion | 10,000 | - | - | 8,925 | 7/17/2026 Filed: 7/15/2026 | Filing → | |
| Exercise | 10,000 | - | - | 18,925 | 7/17/2026 Filed: 7/15/2026 | Filing → | |
| Exercise | 10,000 | $2.04 | $20K | 20,000 | 7/17/2026 Filed: 7/15/2026 | Filing → | |
| Sale | 300 | $281.29 | $84K | 113,790 | 7/17/2026 Filed: 7/15/2026 | Filing → | |
| Sale | 800 | $279.91 | $224K | 114,090 | 7/17/2026 Filed: 7/15/2026 | Filing → | |
| Sale | 1,201 | $278.76 | $335K | 114,890 | 7/17/2026 Filed: 7/15/2026 | Filing → | |
| Sale | 3,299 | $277.68 | $916K | 116,091 | 7/17/2026 Filed: 7/15/2026 | Filing → | |
| Sale | 1,741 | $276.63 | $482K | 119,390 | 7/17/2026 Filed: 7/15/2026 | Filing → | |
| Sale | 1,559 | $275.79 | $430K | 121,131 | 7/17/2026 Filed: 7/15/2026 | Filing → | |
| Sale | 500 | $274.60 | $137K | 122,690 | 7/17/2026 Filed: 7/15/2026 | Filing → | |
| Sale | 300 | $270.50 | $81K | 123,190 | 7/17/2026 Filed: 7/15/2026 | Filing → | |
| Sale | 100 | $267.76 | $27K | 123,490 | 7/17/2026 Filed: 7/15/2026 | Filing → | |
| Sale | 200 | $266.19 | $53K | 123,590 | 7/17/2026 Filed: 7/15/2026 | Filing → | |
| Conversion | 10,000 | - | - | 123,790 | 7/17/2026 Filed: 7/15/2026 | Filing → | |
| Tax Payment | 2,943 | $281.75 | $829K | 113,790 | 7/15/2026 Filed: 7/15/2026 | Filing → | |
| Conversion | 10,000 | - | - | 8,925 | 4/17/2026 Filed: 4/17/2026 | Filing → | |
| Exercise | 10,000 | - | - | 18,925 | 4/17/2026 Filed: 4/17/2026 | Filing → | |
| Exercise | 10,000 | $2.04 | $20K | 50,000 | 4/17/2026 Filed: 4/17/2026 | Filing → | |
| Sale | 400 | $200.95 | $80K | 221,681 | 4/17/2026 Filed: 4/17/2026 | Filing → | |
| Sale | 2,725 | $200.51 | $546K | 222,081 | 4/17/2026 Filed: 4/17/2026 | Filing → |
Type
Conversion
Shares
10,000
Price
-
Value
-
Type
Exercise
Shares
10,000
Price
-
Value
-
Type
Exercise
Shares
10,000
Price
$2.04
Value
$20K
Type
Sale
Shares
300
Price
$281.29
Value
$84K
Type
Sale
Shares
800
Price
$279.91
Value
$224K
Type
Sale
Shares
1,201
Price
$278.76
Value
$335K
Type
Sale
Shares
3,299
Price
$277.68
Value
$916K
Type
Sale
Shares
1,741
Price
$276.63
Value
$482K
Type
Sale
Shares
1,559
Price
$275.79
Value
$430K
Type
Sale
Shares
500
Price
$274.60
Value
$137K
Type
Sale
Shares
300
Price
$270.50
Value
$81K
Type
Sale
Shares
100
Price
$267.76
Value
$27K
Type
Sale
Shares
200
Price
$266.19
Value
$53K
Type
Conversion
Shares
10,000
Price
-
Value
-
Type
Tax Payment
Shares
2,943
Price
$281.75
Value
$829K
Type
Conversion
Shares
10,000
Price
-
Value
-
Type
Exercise
Shares
10,000
Price
-
Value
-
Type
Exercise
Shares
10,000
Price
$2.04
Value
$20K
Type
Sale
Shares
400
Price
$200.95
Value
$80K
Type
Sale
Shares
2,725
Price
$200.51
Value
$546K
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