GRDXNasdaqElectric & Other Services CombinedFiscal year ends December 31
GridAI Technologies Corp.
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q/A on Sep 18, 2026
$4.39+0.17 (+4.03%)
Close on Oct 19, 2026
- Market cap
- $23.23T
- P/E (TTM)
- –
- Dividend yield
- –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
8.9%
1M of 7M shares
Institutional holders
19
7 new, 2 sold out
Net institutional buying
0M
In Q2 2026
Insider trades, 12 months
0 buys · 0 sales
Open-market trades only
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Jason David Sawyer | 540,000 | 7.10% | 13D (active) | Jun 30, 2026 |
| Strategic EP, LLC | 209,541 | 5.00% | 13G (passive) | Jan 12, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of GRDX | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Renaissance Technologies LLC | 176,300 | 2.47% | $826.85K | −7,500 | 0.00% |
| Citadel Advisors LLC | 85,325 | 1.20% | $400.17K | New | 0.00% |
| Federation des caisses Desjardins du Quebec | 76,350 | 1.07% | $358.08K | +28,550 | 0.00% |
| Vanguard Capital Management LLC | 74,060 | 1.04% | $347.34K | +55,767 | 0.00% |
| Geode Capital Management, LLC | 59,899 | 0.84% | $280.93K | +26,629 | 0.00% |
| Jane Street Group, LLC | 49,236 | 0.69% | $230.92K | +36,579 | 0.00% |
| Vanguard Fiduciary Trust Co | 33,804 | 0.47% | $158.54K | +17,459 | 0.00% |
| State Street Corp | 23,446 | 0.33% | $109.96K | – | 0.00% |
| Hrt Financial LP | 20,963 | 0.29% | $98 | New | 0.00% |
| Independent Advisor Alliance | 15,000 | 0.21% | $70.35K | New | 0.00% |
| Northern Trust Corp | 13,939 | 0.20% | $65.37K | New | 0.00% |
| Harbour Investments, Inc. | 5,862 | 0.08% | $27.49K | −2,132 | 0.00% |
| Jones Financial Companies Lllp | 2,000 | 0.03% | $8.82K | New | 0.00% |
| Tower Research Capital LLC (TRC) | 1,445 | 0.02% | $6.78K | +184 | 0.00% |
| Barclays PLC | 380 | 0.01% | $1.78K | New | 0.00% |
| SBI Securities Co., Ltd. | 31 | 0.00% | $145 | −473 | 0.00% |
| Caitong International Asset Management Co., Ltd | 21 | 0.00% | $98 | New | 0.00% |
| Danske Bank A/S | 1 | 0.00% | $5 | – | 0.00% |
| Osaic Holdings, Inc. | 1 | 0.00% | $4 | – | 0.00% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 19 | 1M | 8.9% | 7 / 6 | 3 / 2 | 0M | 0M |
| Q1 2026 | 14 | 0M | 4.9% | 6 / 4 | 1 / 3 | 0M | 0M |
| Q4 2025 | 12 | 0M | 2.5% | 4 / 3 | 3 / 1 | 0M | 0M |
| Q3 2025 | 9 | 0M | 2.1% | 9 / 0 | 0 / 0 | 0M | 0M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of GRDX | Value | % of fund | As of |
|---|---|---|---|---|---|
| Vanguard Extended Market Index Fund | 74,060 | 1.04% | $347.34K | 0.00% | Jun 30, 2026 |
| Fidelity Extended Market Index Fund | 20,539 | 0.29% | $115.22K | 0.00% | May 31, 2026 |
| Fidelity Series Total Market Index Fund | 3,654 | 0.05% | $20.50K | 0.00% | May 31, 2026 |
| Dimensional US Sustainability Core 1 ETF | 2,539 | 0.04% | $7.36K | 0.00% | Jul 31, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Jason David Sawyer | Chief Executive Officer, Director | 540,000 | 7.57% | Jul 1, 2026 |
| Richard Paolone | Interim CEO, Director | – | – | Feb 13, 2025 |
| Anna Skowron | Interim CFO | 65,000 | 0.91% | Dec 29, 2025 |
| Sarah Romano | Chief Financial Officer | 17,287 | 0.24% | Jan 8, 2025 |
| Jack Syage | Director | 55,400 | 0.78% | Jun 3, 2026 |
| Edward Borkowski | Director | 73,928 | 1.04% | Jan 8, 2026 |
| Manpreet Uppal | Director | 40,000 | 0.56% | Jan 5, 2026 |
| Geordan Garrett Pursglove | Director | 40,000 | 0.56% | Jan 5, 2026 |
| Eric Corbett | Director | – | – | Feb 13, 2025 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Jason David Sawyer Chief Executive Officer, Director | Jun 30, 2026 | Award | +250,000 | – | – | 540,000 |
| Jason David Sawyer Chief Executive Officer, Director | Mar 31, 2026 | Award | +250,000 | – | – | 290,000 |
| Jack Syage Director | Jan 1, 2026 | Award | +40,000 | – | – | 40,000 |
| Edward Borkowski Director | Jan 1, 2026 | Award | +40,000 | – | – | 60,248 |
| Manpreet Uppal Director | Jan 1, 2026 | Award | +40,000 | – | – | 40,000 |
| Geordan Garrett Pursglove Director | Jan 1, 2026 | Award | +40,000 | – | – | 40,000 |
| Anna Skowron Interim CFO | Dec 22, 2025 | Award | +65,000 | – | – | 65,000 |
| Jason David Sawyer Chief Executive Officer, Director | Dec 22, 2025 | Award | +40,000 | – | – | 40,000 |
| Sarah Romano Chief Financial Officer | Jan 6, 2025 | Sale | −727 | $0.64 | $465 | 17,287 |
| Sarah Romano Chief Financial Officer | Oct 9, 2024 | Sale | −476 | $0.45 | $214 | 18,014 |
| James Sapirstein Chairman and CEO, Director | Jul 2, 2024 | Sale | −1,289 | $1.07 | $1.38K | 35,816 |
| Sarah Romano Chief Financial Officer | Jul 2, 2024 | Sale | −621 | $1.07 | $664 | 18,490 |
| Chaitan Khosla Phd Director | Jun 11, 2024 | Award | +24,889 | – | – | 24,889 |
| Sarah Romano Chief Financial Officer | Apr 1, 2024 | Sale | −75 | $4.23 | $317 | 19,111 |
| James Sapirstein Chairman and CEO, Director | Apr 1, 2024 | Sale | −174 | $4.23 | $736 | 37,105 |
| Sarah Romano Chief Financial Officer | Mar 15, 2024 | Sale | −1,120 | $4.96 | $5.56K | 19,186 |
| James Sapirstein Chairman and CEO, Director | Mar 15, 2024 | Sale | −1,887 | $4.96 | $9.36K | 37,279 |
| Jack Syage President & COO, Director | Mar 13, 2024 | Award | +15,400 | – | – | 15,400 |
| Chaitan Khosla Phd Director | Mar 13, 2024 | Award | +440 | – | – | 440 |
| James Sapirstein Chairman, President and CEO, Director | Jan 12, 2024 | Sale | −166 | $4.20 | $697 | 39,166 |
| Sarah Romano Chief Financial Officer | Jan 12, 2024 | Sale | −98 | $4.20 | $412 | 20,306 |
| Charles J. Casamento Director | Jan 2, 2024 | Award | +19,633 | – | – | 19,937 |
| Mary Theresa Coelho Director | Jan 2, 2024 | Award | +19,633 | – | – | 20,237 |
| Alastair Riddell Director | Jan 2, 2024 | Award | +19,633 | – | – | 20,240 |
| Edward Borkowski Director | Jan 2, 2024 | Award | +19,633 | – | – | 20,248 |
| James Sapirstein Chairman, President and CEO, Director | Jan 2, 2024 | Award | +20,000 | – | – | 39,332 |
| Sarah Romano Chief Financial Officer | Jan 2, 2024 | Award | +7,000 | – | – | 20,404 |
| James Sapirstein Chairman, President and CEO, Director | Dec 29, 2023 | Award | +17,660 | – | – | 19,332 |
| Sarah Romano Chief Financial Officer | Dec 29, 2023 | Award | +12,614 | – | – | 13,404 |
| James Sapirstein President and CEO, Director | Oct 4, 2023 | Sale | −2,764 | $0.29 | $802 | 33,397 |
| Sarah Romano Chief Financial Officer | Oct 4, 2023 | Sale | −1,676 | $0.29 | $486 | 15,800 |
| Charles J. Casamento Director | Sep 15, 2023 | Sale | −10 | $0.43 | $4 | 6,098 |
| Charles J. Casamento Director | Aug 31, 2023 | Sale | −6,053 | $0.30 | $1.82K | 6,108 |
| Sarah Romano Chief Financial Officer | Jul 3, 2023 | Sale | −1,977 | $1.54 | $3.04K | 17,476 |
| James Sapirstein President and CEO, Director | Jul 3, 2023 | Sale | −3,349 | $1.54 | $5.16K | 36,161 |
| Sarah Romano Chief Financial Officer | Apr 3, 2023 | Sale | −1,975 | $2.50 | $4.94K | 19,453 |
| James Sapirstein President and CEO, Director | Apr 3, 2023 | Sale | −3,347 | $2.50 | $8.37K | 39,510 |
| David Andrew Hoffman Director | Jan 3, 2023 | Award | +84,745 | – | – | 90,778 |
| Alastair Riddell Director | Jan 3, 2023 | Award | +84,745 | – | – | 85,185 |
| Charles J. Casamento Director | Jan 3, 2023 | Award | +84,745 | – | – | 85,134 |
| Sarah Romano Chief Financial Officer | Jan 3, 2023 | Award | +150,000 | – | – | 150,000 |
| Edward Borkowski Director | Jan 3, 2023 | Award | +84,745 | – | – | 86,156 |
| Mary Theresa Coelho Director | Jan 3, 2023 | Award | +84,745 | – | – | 84,745 |
| James Sapirstein President and CEO, Director | Jan 3, 2023 | Award | +300,000 | – | – | 300,000 |
| Charles J. Casamento Director | Mar 19, 2020 | Gift | +9,000 | – | – | 116,998 |
| Charles J. Casamento Director | Mar 19, 2020 | Gift | −9,000 | – | – | 107,998 |
| Charles J. Casamento Director | Mar 11, 2020 | Award | +14,584 | $0.60 | $8.75K | 108,584 |
| Charles J. Casamento Director | Mar 11, 2020 | Award | +8,414 | $1.04 | $8.75K | 116,998 |
| Vern Lee Schramm Director | Mar 11, 2020 | Award | +8,414 | $1.04 | $8.75K | 90,498 |
| Vern Lee Schramm Director | Mar 11, 2020 | Award | +14,584 | $0.60 | $8.75K | 82,084 |
| Alastair Riddell Director | Mar 11, 2020 | Award | +264 | $4.74 | $1.25K | 101,034 |
| Alastair Riddell Director | Mar 11, 2020 | Award | +770 | $4.74 | $3.65K | 100,770 |
| Alastair Riddell Director | Mar 11, 2020 | Award | +2,755 | $3.63 | $10.00K | 106,296 |
| Alastair Riddell Director | Mar 11, 2020 | Award | +14,584 | $0.60 | $8.75K | 123,635 |
| Alastair Riddell Director | Mar 11, 2020 | Award | +8,414 | $1.04 | $8.75K | 132,049 |
| Alastair Riddell Director | Mar 11, 2020 | Award | +2,507 | $3.99 | $10.00K | 103,541 |
| Edward Borkowski Director | Mar 10, 2020 | Award | +8,414 | $1.04 | $8.75K | 402,124 |
| Edward Borkowski Director | Mar 10, 2020 | Award | +14,584 | $0.60 | $8.75K | 393,710 |
| Edward Borkowski Director | Mar 10, 2020 | Award | +1,319 | $4.74 | $6.25K | 403,443 |
| Edward Borkowski Director | Mar 10, 2020 | Award | +6,330 | $4.74 | $30.00K | 409,773 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Casamento Charles Director | Sep 15, 2023 | 10 | $4 | Sep 15, 2023 | Issuances to certain Board Members |
| J. Casamento Charles Director | Sep 7, 2023 | 6,053 | $1.82K | Aug 31, 2023 | (1) |