John Graham-Cumming Net Worth
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John Graham-Cumming has an estimated net worth of at least $115.8 million*, as of May 28, 2026. They own 496,587 shares of NET stock. They have sold 26,459 shares of NET stock since 2021, for an estimated $5.5 million.
John Graham-Cumming $NET SEC Form 4 Insider Trading
John Graham-Cumming has filed a total of 53 insider trades in $NET since 2021. Their most recent trade was a sale of 603 shares, made on May 04, 2026. Their largest trade was a sale of 2,702 shares, made on Sep 02, 2025. We estimate that they now own 496,587 shares of $NET, worth an estimated $110.3 million.
Insider Trading at $NET
There have been a total of 2811 insider trades reported at $NET since 2021, with 15,000 shares purchased and 18.0 million shares sold. The most active insider traders in $NET stock have been Michelle Zatlyn, Matthew Prince, and Thomas J Seifert. The most recent trade was a sale of 3,264 shares reported by Alissa Michelle Starzak (Chief Legal Officer), made on May 28, 2026.
History of Insider Stock Trades by John Graham-Cumming
| Company Ticker | Purchase / Sale | Shares | Date | Disclosed (EST) |
|---|---|---|---|---|
NET
|
Sale | 603 | May 04, 2026 | May 5, 2026, 6:17 p.m. |
NET
|
Sale | 360 | May 04, 2026 | May 5, 2026, 6:17 p.m. |
NET
|
Sale | 166 | May 04, 2026 | May 5, 2026, 6:17 p.m. |
NET
|
Sale | 360 | May 04, 2026 | May 5, 2026, 6:17 p.m. |
NET
|
Sale | 116 | May 04, 2026 | May 5, 2026, 6:17 p.m. |
NET
|
Sale | 63 | May 04, 2026 | May 5, 2026, 6:17 p.m. |
NET
|
Sale | 852 | May 04, 2026 | May 5, 2026, 6:17 p.m. |
NET
|
Sale | 356 | Mar 27, 2026 | March 30, 2026, 6:37 p.m. |
NET
|
Sale | 1,090 | Mar 27, 2026 | March 30, 2026, 6:37 p.m. |
NET
|
Sale | 1,278 | Mar 27, 2026 | March 30, 2026, 6:37 p.m. |
NET
|
Sale | 881 | Mar 27, 2026 | March 30, 2026, 6:37 p.m. |
NET
|
Sale | 39 | Mar 27, 2026 | March 30, 2026, 6:37 p.m. |
NET
|
Sale | 1,246 | Feb 09, 2026 | Feb. 11, 2026, 5:56 p.m. |
NET
|
Sale | 851 | Feb 09, 2026 | Feb. 11, 2026, 5:56 p.m. |
NET
|
Sale | 24 | Feb 09, 2026 | Feb. 11, 2026, 5:56 p.m. |
NET
|
Sale | 177 | Feb 09, 2026 | Feb. 11, 2026, 5:56 p.m. |
NET
|
Sale | 32 | Feb 09, 2026 | Feb. 11, 2026, 5:56 p.m. |
NET
|
Sale | 190 | Feb 09, 2026 | Feb. 11, 2026, 5:56 p.m. |
NET
|
Sale | 494 | Dec 15, 2025 | Dec. 16, 2025, 6:01 p.m. |
NET
|
Sale | 552 | Dec 15, 2025 | Dec. 16, 2025, 6:01 p.m. |
NET
|
Sale | 166 | Dec 15, 2025 | Dec. 16, 2025, 6:01 p.m. |
NET
|
Sale | 569 | Dec 15, 2025 | Dec. 16, 2025, 6:01 p.m. |
NET
|
Sale | 542 | Dec 15, 2025 | Dec. 16, 2025, 6:01 p.m. |
NET
|
Sale | 163 | Dec 15, 2025 | Dec. 16, 2025, 6:01 p.m. |
NET
|
Sale | 34 | Dec 15, 2025 | Dec. 16, 2025, 6:01 p.m. |
NET
|
Sale | 36 | Nov 03, 2025 | Nov. 3, 2025, 7:41 p.m. |
NET
|
Sale | 129 | Nov 03, 2025 | Nov. 3, 2025, 7:41 p.m. |
NET
|
Sale | 224 | Nov 03, 2025 | Nov. 3, 2025, 7:41 p.m. |
NET
|
Sale | 84 | Nov 03, 2025 | Nov. 3, 2025, 7:41 p.m. |
NET
|
Sale | 74 | Nov 03, 2025 | Nov. 3, 2025, 7:41 p.m. |
NET
|
Sale | 50 | Nov 03, 2025 | Nov. 3, 2025, 7:41 p.m. |
NET
|
Sale | 211 | Nov 03, 2025 | Nov. 3, 2025, 7:41 p.m. |
NET
|
Sale | 643 | Nov 03, 2025 | Nov. 3, 2025, 7:41 p.m. |
NET
|
Sale | 524 | Nov 03, 2025 | Nov. 3, 2025, 7:41 p.m. |
NET
|
Sale | 471 | Nov 03, 2025 | Nov. 3, 2025, 7:41 p.m. |
NET
|
Sale | 74 | Nov 03, 2025 | Nov. 3, 2025, 7:41 p.m. |
NET
|
Sale | 830 | Oct 13, 2025 | Oct. 15, 2025, 4:27 p.m. |
NET
|
Sale | 39 | Oct 13, 2025 | Oct. 15, 2025, 4:27 p.m. |
NET
|
Sale | 12 | Oct 13, 2025 | Oct. 15, 2025, 4:27 p.m. |
NET
|
Sale | 740 | Oct 13, 2025 | Oct. 15, 2025, 4:27 p.m. |
NET
|
Sale | 72 | Oct 13, 2025 | Oct. 15, 2025, 4:27 p.m. |
NET
|
Sale | 68 | Oct 13, 2025 | Oct. 15, 2025, 4:27 p.m. |
NET
|
Sale | 204 | Oct 13, 2025 | Oct. 15, 2025, 4:27 p.m. |
NET
|
Sale | 555 | Oct 13, 2025 | Oct. 15, 2025, 4:27 p.m. |
NET
|
Sale | 40 | Sep 02, 2025 | Sept. 4, 2025, 5:18 p.m. |
NET
|
Sale | 244 | Sep 02, 2025 | Sept. 4, 2025, 5:18 p.m. |
NET
|
Sale | 329 | Sep 02, 2025 | Sept. 4, 2025, 5:18 p.m. |
NET
|
Sale | 406 | Sep 02, 2025 | Sept. 4, 2025, 5:18 p.m. |
NET
|
Sale | 1,331 | Sep 02, 2025 | Sept. 4, 2025, 5:18 p.m. |
NET
|
Sale | 2,475 | Sep 02, 2025 | Sept. 4, 2025, 5:18 p.m. |
NET
|
Sale | 2,456 | Sep 02, 2025 | Sept. 4, 2025, 5:18 p.m. |
NET
|
Sale | 2,702 | Sep 02, 2025 | Sept. 4, 2025, 5:18 p.m. |
NET
|
Sale | 232 | Sep 02, 2025 | Sept. 4, 2025, 5:18 p.m. |
$NET Executives and Stock Owners with Insider Trades
-
Michelle Zatlyn, President and COO
-
Matthew Prince, CEO & Chair of the Board
-
Thomas J Seifert, Chief Financial Officer
-
Matthew Prince, CEO & Board Co-Chair
-
Michelle Zatlyn, President and Board Co-Chair
-
Thomas J Seifert, CHIEF FINANCIAL OFFICER
-
Douglas James Kramer, General Counsel
-
Douglas James Kramer, Chief Legal Officer
-
Janel Riley, Chief Accounting Officer
-
Douglas James Kramer, CHIEF LEGAL OFFICER
-
Paul D. Underwood, Chief Accounting Officer
-
Janel Riley, CHIEF ACCOUNTING OFFICER
-
Alissa Michelle Starzak, Chief Legal Officer
*This is only based off of information found in SEC filings, and may not reflect actual net worth. There may also be inaccuracies due to privately holdings filing errors, parsing errors, accidental double-counting of shares, incorrect classification of indirectly owned shares, sales prior to dataset start date, or any other number of issues.