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Insider ActivityNET
SEIFERT THOMAS J, Chief Financial Officer at Cloudflare, Inc., traded $526K of NET
Updated Jun 11, 2026
SEIFERT THOMAS J
Chief Financial Officer
Cloudflare, Inc. ·
$NET
Transaction Details
| Insider | SEIFERT THOMAS J |
|---|---|
| Title | Chief Financial Officer |
| Company | Cloudflare, Inc. |
| Ticker | NET |
| Transaction Type | Tax |
| Transaction Date | 2026-04-15 |
| Shares Traded | 2,944 |
| Price Per Share | $178.65 |
| Total Value | $526K |
| Filed Date | 2026-04-17 |
| Accession Number | 0001473289-26-000012 |
Ownership Context
| Shares Owned After Transaction | 221,681 |
|---|---|
| Ownership Type | Direct |
SEC Filing
Accession: 0001473289-26-000012
Other Insider Trades — NET
| Insider | Title | Action | Value | Date |
|---|---|---|---|---|
| Suder Katrin | Director | sold | $74K | 2026-06-08 |
| Hawkins Mark J | Director | sold | $33K | 2026-06-01 |
| Ledbetter Carl | Director | sold | $634K | 2026-06-01 |
| Ledbetter Carl | Director | sold | $1.2M | 2026-06-01 |
| Ledbetter Carl | Director | sold | $790K | 2026-06-01 |
| Ledbetter Carl | Director | sold | $1.1M | 2026-06-01 |
| Ledbetter Carl | Director | sold | $25K | 2026-06-01 |
| Starzak Alissa Michelle | Chief Legal Officer | traded | $777K | 2026-05-28 |
| Starzak Alissa Michelle | Chief Legal Officer | sold | $276K | 2026-05-28 |
| Starzak Alissa Michelle | Chief Legal Officer | sold | $972K | 2026-05-28 |
Other Trades by SEIFERT THOMAS J
| Ticker | Company | Action | Value | Date |
|---|---|---|---|---|
| NET | Cloudflare, Inc. | traded | — | 2026-05-18 |
| NET | Cloudflare, Inc. | traded | — | 2026-05-18 |
| NET | Cloudflare, Inc. | sold | $19K | 2026-05-18 |
| NET | Cloudflare, Inc. | sold | $59K | 2026-05-18 |
| NET | Cloudflare, Inc. | sold | $79K | 2026-05-18 |
| NET | Cloudflare, Inc. | sold | $185K | 2026-05-18 |
| NET | Cloudflare, Inc. | sold | $487K | 2026-05-18 |
| NET | Cloudflare, Inc. | sold | $718K | 2026-05-18 |
| NET | Cloudflare, Inc. | sold | $404K | 2026-05-18 |
| NET | Cloudflare, Inc. | sold | $55K | 2026-05-18 |
Full Ticker Profile
View all insider trades, dark pool activity, congressional filings, and the Whisper Score for NET — Cloudflare, Inc. →
Whisper Score — NET
30.85
Murmurs
Current Whisper Score
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Data sourced from SEC Form 4 insider trading filings. Transaction details are as reported to the Securities and Exchange Commission. This page does not constitute financial advice. StonkWhisper presents public records — it does not verify or guarantee the accuracy of SEC filings.
Last updated: June 11, 2026 at 07:19 UTC