Comparable stake leader
BlackRock, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001023731.
Comparable stake leader
BlackRock, Inc.
Disclosed value leader
SYLEBRA CAPITAL LLC
Comparable rows
50/50
Latest evidence
27 Jul 2026
Ownership snapshot
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Quick read
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
Company
|
7%
from 13D/G
|
$19,814,678
11,936,552 shares
|
— | 31 Mar 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13D/G
13F
Vanguard Portfolio Management · Company
|
5.4%
|
$12,417,849
7,480,632 shares
|
$0 | 31 Mar 2026 |
| SYLEBRA CAPITAL LLC |
3/4/5
13D/G
13F
10%+ Owner · Company
|
4.8%
from 13D/G
|
$24,669,463
13,781,823 shares
|
— | 11 Jun 2025 |
| Boston Partners |
13D/G
13F
Company
|
4.8%
|
$11,346,336
6,674,315 shares
|
-$845,835 | 31 Mar 2026 |
| BANK OF AMERICA CORP /DE/ |
13D/G
13F
Company
|
4.3%
|
$12,530,741
5,910,727 shares
|
-$2,458,337 | 30 Sep 2025 |
| ArrowMark Colorado Holdings LLC |
13D/G
13F
Company
|
1.9%
|
$5,522,151
2,604,788 shares
|
-$17,169,729 | 30 Jun 2025 |
| Samuel C. Wilson |
3/4/5
Chief Executive Officer
|
1.9%
|
$4,312,283
2,597,761 shares
|
— | 15 Jun 2026 |
| Kevin Kraus |
3/4/5
Chief Financial Officer
|
0.71%
|
$1,647,803
992,653 shares
|
— | 15 Jun 2026 |
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Net insider flow leans to selling over the last 12 months. Net value: -$271,880.
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 20,207 | $0 | $36,575 | -$36,575 |
| 3-6 | 0 | 90,044 | $0 | $225,546 | -$225,546 |
| 6-9 | 0 | 5,000 | $0 | $9,760 | -$9,760 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Showing 1-20 of 22 reporting-owner rows connected to 8X8 INC /DE/. Open a relationship link for the CIK-to-CIK filing trail.
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Sylebra Capital Ltd | 10%+ Owner | $50,363,166 | Mixed | 25 May 2023 | ||
| SYLEBRA CAPITAL LLC | 10%+ Owner | $24,669,463 | Filing P/S | 11 Jun 2025 | ||
| Samuel C. Wilson | Chief Executive Officer | $4,312,283 | Mixed | 15 Jun 2026 | ||
| David Sipes | Chief Executive Officer | $3,680,149 | Mixed | 16 Sep 2022 | ||
| Bryan R. Martin | Chief Technology Officer, Director | $1,675,129 | Mixed | 18 Oct 2021 | ||
| Kevin Kraus | Chief Financial Officer | $1,647,803 | Mixed | 15 Jun 2026 | ||
| Hunter Middleton | Chief Product Officer | $1,483,525 | -$212,814 | -13% | Mixed | 15 Jun 2026 |
| Laurence Denny | Chief Legal Officer | $1,013,647 | -$22,492 | -2.2% | Mixed | 15 Jun 2026 |
| Matthew Zinn | SVP-CLO, Secretary | $976,630 | Mixed | 17 Oct 2022 | ||
| Stephanie Garcia | Chief Human Resources Officer | $775,943 | Mixed | 15 Jun 2022 | ||
| Suzy M. Seandel | Chief Accounting Officer | $715,167 | Mixed | 15 Jun 2026 | ||
| Jaswinder Pal Singh | Director | $626,205 | Mixed | 25 Jul 2025 | ||
| Eric Salzman | Director | $577,829 | Mixed | 28 Jul 2023 | ||
| Vladimir S. Jacimovic | Director | $550,165 | Mixed | 15 Jul 2022 | ||
| Dejan Deklich | Chief Products Officer | $550,095 | Mixed | 18 Jan 2022 | ||
| Todd R. Ford | Director | $541,315 | Mixed | 25 Jul 2025 | ||
| Alison Gleeson | Director | $451,970 | Mixed | 25 Jul 2025 | ||
| Andrew F. Burton | Director | $417,240 | Mixed | 25 Jul 2025 | ||
| Elizabeth Harriet Theophille | Director | $302,425 | -$36,575 | -11% | Filing P/S | 27 Jul 2026 |
| Monique Bonner | Director | $297,998 | Median | 25 Jul 2026 |
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Elizabeth Harriet Theophille | EGHT | Common Stock | Sale | -10.8% | $36,575 | $1.81 | -20,207 | 167,086 | 27 Jul 2026 | Direct |
| John Pagliuca | EGHT | Common Stock | Disposed to Issuer | -47.9% | -66,502 | 72,413 | 27 Jul 2026 | Direct | ||
| Monique Bonner | EGHT | Common Stock | Disposed to Issuer | -27.6% | -66,502 | 174,268 | 25 Jul 2026 | Direct | ||
| Monique Bonner | EGHT | Common Stock | Options Exercise | 38.2% | 66,502 | 240,770 | 25 Jul 2026 | Direct | ||
| Monique Bonner | EGHT | Restricted Stock Unit | Options Exercise | -100% | -66,502 | 0 | 25 Jul 2026 | Direct | ||
| John Pagliuca | EGHT | Common Stock | Options Exercise | 91.8% | 66,502 | 138,915 | 25 Jul 2026 | Direct | ||
| John Pagliuca | EGHT | Restricted Stock Unit | Options Exercise | -100% | -66,502 | 0 | 25 Jul 2026 | Direct | ||
| Laurence Denny | EGHT | Common Stock | Tax liability | -1.25% | -7,747 | 610,631 | 15 Jun 2026 | Direct | ||
| Samuel C. Wilson | EGHT | Common Stock | Tax liability | -1.52% | -40,068 | 2,597,761 | 15 Jun 2026 | Direct | ||
| Hunter Middleton | EGHT | Common Stock | Tax liability | -1.77% | -16,112 | 893,690 | 15 Jun 2026 | Direct | ||
| Kevin Kraus | EGHT | Common Stock | Tax liability | -1.77% | -17,854 | 992,653 | 15 Jun 2026 | Direct | ||
| Suzy M. Seandel | EGHT | Common Stock | Tax liability | -1.33% | -5,793 | 430,824 | 15 Jun 2026 | Direct | ||
| Samuel C. Wilson | EGHT | Common Stock | Tax liability | -3.8% | -104,221 | 2,637,829 | 06 Jun 2026 | Direct | ||
| Suzy M. Seandel | EGHT | Common Stock | Tax liability | -5.53% | -25,567 | 436,617 | 06 Jun 2026 | Direct | ||
| Hunter Middleton | EGHT | Common Stock | Tax liability | -4.3% | -40,907 | 909,802 | 06 Jun 2026 | Direct | ||
| Kevin Kraus | EGHT | Common Stock | Tax liability | -4.05% | -42,612 | 1,010,507 | 06 Jun 2026 | Direct | ||
| Laurence Denny | EGHT | Common Stock | Tax liability | -3.95% | -25,404 | 618,378 | 06 Jun 2026 | Direct | ||
| Laurence Denny | EGHT | Common Stock | Award | 57.3% | 234,500 | 643,782 | 01 Jun 2026 | Direct | ||
| Kevin Kraus | EGHT | Common Stock | Award | 50.2% | 351,750 | 1,053,119 | 01 Jun 2026 | Direct | ||
| Hunter Middleton | EGHT | Common Stock | Award | 35.9% | 251,250 | 950,709 | 01 Jun 2026 | Direct | ||
| Samuel C. Wilson | EGHT | Common Stock | Award | 41.5% | 804,000 | 2,742,050 | 01 Jun 2026 | Direct | ||
| Suzy M. Seandel | EGHT | Common Stock | Tax liability | -5.71% | -27,154 | 448,689 | 27 May 2026 | Direct | ||
| Suzy M. Seandel | EGHT | Common Stock | Award | 12.6% | 53,371 | 476,161 | 27 May 2026 | Direct | ||
| Samuel C. Wilson | EGHT | Common Stock | Tax liability | -7% | -141,695 | 1,883,041 | 27 May 2026 | Direct | ||
| Samuel C. Wilson | EGHT | Common Stock | Award | 16.2% | 278,489 | 1,995,030 | 27 May 2026 | Direct | ||
| Hunter Middleton | EGHT | Common Stock | Tax liability | -7.66% | -56,250 | 677,867 | 27 May 2026 | Direct | ||
| Hunter Middleton | EGHT | Common Stock | Award | 18.1% | 110,556 | 721,823 | 27 May 2026 | Direct | ||
| Kevin Kraus | EGHT | Common Stock | Tax liability | -8.24% | -60,947 | 678,878 | 27 May 2026 | Direct | ||
| Kevin Kraus | EGHT | Common Stock | Award | 19.8% | 119,787 | 724,665 | 27 May 2026 | Direct | ||
| Laurence Denny | EGHT | Common Stock | Tax liability | -7.58% | -32,098 | 391,424 | 27 May 2026 | Direct | ||
| Laurence Denny | EGHT | Common Stock | Award | 21% | 73,371 | 423,170 | 27 May 2026 | Direct | ||
| Hunter Middleton | EGHT | Common Stock | Tax liability | -2.68% | -17,790 | 645,153 | 15 Mar 2026 | Direct | ||
| Suzy M. Seandel | EGHT | Common Stock | Tax liability | -1.45% | -6,396 | 435,967 | 15 Mar 2026 | Direct | ||
| Laurence Denny | EGHT | Common Stock | Tax liability | -2.33% | -8,762 | 368,009 | 15 Mar 2026 | Direct | ||
| Kevin Kraus | EGHT | Common Stock | Tax liability | -2.98% | -19,714 | 642,529 | 15 Mar 2026 | Direct | ||
| Samuel C. Wilson | EGHT | Common Stock | Tax liability | -2.27% | -41,818 | 1,801,256 | 15 Mar 2026 | Direct | ||
| Laurence Denny | EGHT | Common Stock | Sale | -1.31% | $12,732 | $2.55 | -5,000 | 376,771 | 17 Feb 2026 | Direct |
| Hunter Middleton | EGHT | Common Stock | Sale | -11.5% | $212,814 | $2.50 | -85,044 | 652,943 | 04 Feb 2026 | Direct |
| Kevin Kraus | EGHT | Common Stock | Tax liability | -2.62% | -17,818 | 662,243 | 15 Dec 2025 | Direct | ||
| Hunter Middleton | EGHT | Common Stock | Tax liability | -2.13% | -16,079 | 737,987 | 15 Dec 2025 | Direct | ||
| Suzy M. Seandel | EGHT | Common Stock | Tax liability | -1.32% | -5,782 | 432,363 | 15 Dec 2025 | Direct | ||
| Samuel C. Wilson | EGHT | Common Stock | Tax liability | -2.13% | -39,988 | 1,833,074 | 15 Dec 2025 | Direct | ||
| Laurence Denny | EGHT | Common Stock | Tax liability | -2.51% | -9,842 | 381,771 | 15 Dec 2025 | Direct | ||
| Laurence Denny | EGHT | Common Stock | Sale | -1.26% | $9,760 | $1.95 | -5,000 | 391,613 | 01 Dec 2025 | Direct |
| Laurence Denny | EGHT | Common Stock | Tax liability | -5.29% | -22,146 | 396,613 | 15 Sep 2025 | Direct | ||
| Kevin Kraus | EGHT | Common Stock | Tax liability | -5.97% | -43,208 | 680,061 | 15 Sep 2025 | Direct | ||
| Hunter Middleton | EGHT | Common Stock | Tax liability | -4.91% | -38,930 | 754,066 | 15 Sep 2025 | Direct | ||
| Samuel C. Wilson | EGHT | Common Stock | Tax liability | -4.93% | -97,116 | 1,873,062 | 15 Sep 2025 | Direct | ||
| Suzy M. Seandel | EGHT | Common Stock | Tax liability | -3.24% | -14,669 | 438,145 | 15 Sep 2025 | Direct |