← Back to Intel
Insider ActivityNET
SEIFERT THOMAS J, Chief Financial Officer at Cloudflare, Inc., sold $617K of NET
Updated Jun 20, 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 | Sale |
| Transaction Date | 2026-06-17 |
| Shares Traded | 2,633 |
| Price Per Share | $234.1814 |
| Total Value | $617K |
| Filed Date | 2026-06-17 |
| Accession Number | 0001473289-26-000016 |
Ownership Context
| Shares Owned After Transaction | 117,333 |
|---|---|
| Ownership Type | Direct |
SEC Filing
Accession: 0001473289-26-000016
Other Insider Trades — NET
| Insider | Title | Action | Value | Date |
|---|---|---|---|---|
| Zatlyn Michelle | President and Board Co-Chair, Director | traded | — | 2026-06-18 |
| Zatlyn Michelle | President and Board Co-Chair, Director | sold | $1.0M | 2026-06-18 |
| Zatlyn Michelle | President and Board Co-Chair, Director | sold | $307K | 2026-06-18 |
| Zatlyn Michelle | President and Board Co-Chair, Director | sold | $1.1M | 2026-06-18 |
| Zatlyn Michelle | President and Board Co-Chair, Director | sold | $1.7M | 2026-06-18 |
| Zatlyn Michelle | President and Board Co-Chair, Director | sold | $642K | 2026-06-18 |
| Zatlyn Michelle | President and Board Co-Chair, Director | sold | $558K | 2026-06-18 |
| Zatlyn Michelle | President and Board Co-Chair, Director | sold | $288K | 2026-06-18 |
| Zatlyn Michelle | President and Board Co-Chair, Director | sold | $22K | 2026-06-18 |
| Zatlyn Michelle | President and Board Co-Chair, Director | traded | — | 2026-06-18 |
Other Trades by SEIFERT THOMAS J
| Ticker | Company | Action | Value | Date |
|---|---|---|---|---|
| NET | Cloudflare, Inc. | traded | — | 2026-06-17 |
| NET | Cloudflare, Inc. | sold | $205K | 2026-06-17 |
| NET | Cloudflare, Inc. | sold | $118K | 2026-06-17 |
| NET | Cloudflare, Inc. | sold | $158K | 2026-06-17 |
| NET | Cloudflare, Inc. | sold | $139K | 2026-06-17 |
| NET | Cloudflare, Inc. | sold | $739K | 2026-06-17 |
| NET | Cloudflare, Inc. | traded | — | 2026-06-17 |
| NET | Cloudflare, Inc. | traded | $673K | 2026-06-15 |
| NET | Cloudflare, Inc. | traded | — | 2026-05-18 |
| NET | Cloudflare, Inc. | sold | $19K | 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
27.26
Murmurs
Current Whisper Score
Track NET insider activity in real time on The Wire →
Get alerts when SEIFERT THOMAS J files new trades — Go Pro →
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 20, 2026 at 07:00 UTC