GPUS insider buying and SEC filings, explained
Hyperscale Data, Inc. · CIK 896493
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Company profile
- Exchanges
- NYSE, NYSE
- Industry (SIC)
- Oil & Gas Field Machinery & Equipment
- State of incorporation
- DE
- Fiscal year end
- Dec 31
- Former names
- Ault Alliance, Inc.; BitNile Holdings, Inc.; Ault Global Holdings, Inc.; DPW Holdings, Inc.; DIGITAL POWER CORP
Insider activity in the last 12 months
Bought
$7.0M
Insiders who bought
4
Sold (not marked 10b5-1)
$290
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Sep 30, 2026 | Other purchase | Milton C. Ault III (Chair and Director) bought 389,404 Class B Common Stock indirectly (by entity) at $0.5000 ($195K), reported as a purchase (code P). Holdings by entity up 3% to 15,686,550 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 1 other reporting owner. | SEC filing Filed Oct 1, 2026, 6:29 AM ET |
| Sep 29–30, 2026 | Purchase (code P) | Milton C. Ault III (Chair and Director) bought 10,313,474 shares directly and indirectly (by entity) between Sep 29 and Sep 30 at about $0.4898 ($5.1M), reported as a purchase (code P). Direct holdings up <1% to 962,500 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 1 other reporting owner. | SEC filing Filed Oct 1, 2026, 6:29 AM ET |
| Sep 30, 2026 | Purchase (code P) | William B. Horne (CEO and Director) bought 100,000 shares at $0.1600 ($16K), reported as a purchase (code P). Holdings up 25% to 500,000 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 30, 2026 |
| Sep 29, 2026 | Purchase (code P) | William B. Horne (CEO and Director) bought 100,000 shares at $0.1700 ($17K), reported as a purchase (code P). Holdings up 33% to 400,000 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 29, 2026 |
| Sep 24–25, 2026 | Open-market purchase | Milton C. Ault III (Chair and Director) bought 689,600 shares directly and indirectly (by entity) between Sep 24 and Sep 25 at about $0.1706 ($118K) in an open-market purchase. Direct holdings up 11% to 927,900 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 1 other reporting owner. | SEC filing Filed Sep 28, 2026 |
| Sep 21–23, 2026 | Open-market purchase | Milton C. Ault III (Chair and Director) bought 104,700 shares directly and indirectly (by entity) between Sep 21 and Sep 23 at about $0.1802 ($19K) in an open-market purchase. Direct holdings up 1% to 871,200 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 1 other reporting owner. | SEC filing Filed Sep 24, 2026 |
| Sep 18, 2026 | Open-market purchase | Milton C. Ault III (Chair and Director) bought 20,000 shares at about $0.1800 ($4K) in an open-market purchase. Holdings up 2% to 866,500 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 22, 2026 |
| Sep 17, 2026 | Open-market purchase | Milton C. Ault III (Chair and Director) bought 37,500 shares directly and indirectly (by entity) at about $0.1867 ($7K) in an open-market purchase. Direct holdings up 1% to 846,500 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 1 other reporting owner. | SEC filing Filed Sep 21, 2026 |
| Sep 15–16, 2026 | Open-market purchase | Milton C. Ault III (Chair and Director) bought 164,500 shares directly and indirectly (by entity) between Sep 15 and Sep 16 at about $0.1812 ($30K) in an open-market purchase. Direct holdings up 5% to 834,100 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 1 other reporting owner. | SEC filing Filed Sep 17, 2026 |
| Sep 11–14, 2026 | Open-market purchase | Milton C. Ault III (Chair and Director) bought 6,600 shares between Sep 11 and Sep 14 at about $0.1800 ($1K) in an open-market purchase. Holdings up 1% to 794,600 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 15, 2026 |
| Sep 8–11, 2026 | Open-market purchase Amended filing | Milton C. Ault III (Chair and Director) bought 258,500 shares directly and indirectly (by entity) between Sep 8 and Sep 11 at about $0.1900 ($49K) in an open-market purchase. Direct holdings up 16% to 788,000 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 1 other reporting owner. This amends an earlier filing that is not in our records. | SEC filing Filed Sep 14, 2026 |
| Sep 9–11, 2026 | Open-market purchase | Milton C. Ault III (Chair and Director) bought 178,300 shares directly and indirectly (by entity) between Sep 9 and Sep 11 at about $0.1900 ($34K) in an open-market purchase. Direct holdings up 4% to 707,800 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 1 other reporting owner. | SEC filing Filed Sep 11, 2026 |
| Sep 3–4, 2026 | Open-market purchase | Milton C. Ault III (Chair and Director) bought 2,148,691 shares directly and indirectly (by entity) between Sep 3 and Sep 4 at about $0.1900 ($408K) in an open-market purchase. Direct holdings up 53% to 679,500 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 9, 2026 |
| Sep 4, 2026 | Open-market purchase | Kenneth S. Cragun (CFO) bought 100,000 shares at about $0.1900 ($19K) in an open-market purchase. New position of 100,000 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 8, 2026 |
| Sep 4, 2026 | Open-market purchase | Henry Carl Nisser (President / COO and Director) bought 250,000 shares at about $0.1900 ($48K) in an open-market purchase. New position of 250,000 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 8, 2026 |
| Sep 4–8, 2026 | Purchase (code P) | William B. Horne (CEO and Director) bought 160,000 shares between Sep 4 and Sep 8 at about $0.1963 ($31K), reported as a purchase (code P). Holdings up 114% to 300,000 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 8, 2026 |
| Sep 3–4, 2026 | Open-market purchase | Milton C. Ault III (Chair and Director) bought 2,148,691 shares directly and indirectly (by entity) between Sep 3 and Sep 4 at about $0.1900 ($408K) in an open-market purchase. Direct holdings up 53% to 679,500 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 1 other reporting owner. | SEC filing Filed Sep 8, 2026 |
| Sep 2, 2026 | Open-market purchase | William B. Horne (CEO and Director) bought 100,000 shares at about $0.2000 ($20K) in an open-market purchase. Holdings up 250% to 140,000 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 2, 2026 |
| Sep 1–2, 2026 | Open-market purchase | Milton C. Ault III (Chair and Director) bought 149,999 shares between Sep 1 and Sep 2 at about $0.2444 ($37K) in an open-market purchase. Holdings up 51% to 444,500 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 2, 2026 |
| Aug 28, 2026 | Sale | Milton C. Ault III (Chair and Director) sold 1,000 shares at $0.2900 ($290). Holdings down <1% to 205,501 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 1 other reporting owner. | SEC filing Filed Aug 31, 2026 |
| Aug 27–31, 2026 | Open-market purchase | Milton C. Ault III (Chair and Director) bought 296,641 shares directly and indirectly (by entity) between Aug 27 and Aug 31 at about $0.2940 ($87K) in an open-market purchase. Direct holdings up 99% to 294,501 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 1 other reporting owner. | SEC filing Filed Aug 31, 2026 |
| Jun 18, 2026 | Open-market purchase | Milton C. Ault III (Chair and Director) bought 18,000 shares at about $0.2700 ($5K) in an open-market purchase. Holdings up 2% to 744,300 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 1 other reporting owner. | SEC filing Filed Jun 22, 2026 |
| Jun 16, 2026 | Purchase (code P) | Milton C. Ault III (Chair and Director) bought 55,000 shares directly and indirectly (by entity) at $0.2400 ($13K), reported as a purchase (code P). Direct holdings up 1% to 726,300 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 1 other reporting owner. | SEC filing Filed Jun 17, 2026 |
| Jun 11, 2026 | Open-market purchase | William B. Horne (CEO and Director) bought 200,000 shares at about $0.1700 ($34K) in an open-market purchase. New position of 200,000 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 12, 2026 |
| Jun 10–11, 2026 | Open-market purchase | Milton C. Ault III (Chair and Director) bought 155,000 shares directly and indirectly (by entity) between Jun 10 and Jun 11 at about $0.1626 ($25K) in an open-market purchase. Direct holdings up 8% to 721,300 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 1 other reporting owner. | SEC filing Filed Jun 12, 2026 |
| May 28, 2026 | Other purchase | Milton C. Ault III (Chair and Director) bought 100 13% Series D Cumulative Redeemable Perpetual Preferred Stock indirectly (by entity) at $21.19 ($2K), reported as a purchase (code P). New position of 100 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 1 other reporting owner. | SEC filing Filed May 29, 2026 |
| May 19, 2026 | Open-market purchase | Milton C. Ault III (Chair and Director) bought 497,500 shares directly and indirectly (by entity) at about $0.1300 ($65K) in an open-market purchase. Direct holdings up 148% to 666,300 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 1 other reporting owner. | SEC filing Filed May 20, 2026 |
| Dec 30–31, 2025 | Open-market purchase | Milton C. Ault III (Chair and Director) bought 1,608,800 shares directly and indirectly (by entity) between Dec 30, 2025 and Dec 31, 2025 at about $0.1835 ($295K) in an open-market purchase. Direct holdings up 68% to 268,800 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 1 other reporting owner. | SEC filing Filed Jan 2, 2026 |
| Dec 23–29, 2025 | Open-market purchase | Milton C. Ault III (Chair and Director) bought 184,450 shares directly and indirectly (by entity) between Dec 23, 2025 and Dec 29, 2025 at about $0.2030 ($37K) in an open-market purchase. Direct holdings up 112% to 160,000 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 1 other reporting owner. | SEC filing Filed Dec 30, 2025 |
| Dec 19–22, 2025 | Open-market purchase | Milton C. Ault III (Chair and Director) bought 315,000 shares directly and indirectly (by entity) between Dec 19, 2025 and Dec 22, 2025 at about $0.2300 ($72K) in an open-market purchase. Direct holdings up 25% to 75,550 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 1 other reporting owner. | SEC filing Filed Dec 23, 2025 |
| Dec 16–17, 2025 | Purchase (code P) | Milton C. Ault III (Chair and Director) bought 10,000 shares between Dec 16, 2025 and Dec 17, 2025 at $0.2500 ($3K), reported as a purchase (code P). Holdings up 20% to 60,550 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 1 other reporting owner. | SEC filing Filed Dec 18, 2025 |
| Dec 12–15, 2025 | Open-market purchase | Milton C. Ault III (Chair and Director) bought 140,100 shares directly and indirectly (by entity) between Dec 12, 2025 and Dec 15, 2025 at about $0.2585 ($36K) in an open-market purchase. Direct holdings up 42% to 50,550 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 1 other reporting owner. | SEC filing Filed Dec 16, 2025 |
| Dec 10–11, 2025 | Purchase (code P) | Milton C. Ault III (Chair and Director) bought 10,000 shares between Dec 10, 2025 and Dec 11, 2025 at $0.2900 ($3K), reported as a purchase (code P). Holdings up 39% to 35,550 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 1 other reporting owner. | SEC filing Filed Dec 12, 2025 |
| Dec 3, 2025 | Purchase (code P) | Milton C. Ault III (Chair and Director) bought 100,000 shares indirectly (by entity) at $0.2800 ($28K), reported as a purchase (code P). Holdings by entity up 27% to 474,905 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 1 other reporting owner. | SEC filing Filed Dec 5, 2025 |
| Dec 1–2, 2025 | Purchase (code P) | Milton C. Ault III (Chair and Director) bought 101,000 shares directly and indirectly (by entity) between Dec 1, 2025 and Dec 2, 2025 at about $0.2702 ($27K), reported as a purchase (code P). Direct holdings up 4% to 25,550 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 1 other reporting owner. | SEC filing Filed Dec 3, 2025 |
| Nov 26, 2025 | Purchase (code P) | Milton C. Ault III (Chair and Director) bought 1,000 shares at $0.2900 ($290), reported as a purchase (code P). Holdings up 4% to 24,550 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 1 other reporting owner. | SEC filing Filed Dec 1, 2025 |
| Sep 11–Nov 19, 2025 | Open-market purchase | Milton C. Ault III (Chair and Director) bought 259,956 shares directly and indirectly (by entity) between Sep 11, 2025 and Nov 19, 2025 at about $0.2383 ($62K) in an open-market purchase. Direct holdings up 22% to 23,550 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 1 other reporting owner. | SEC filing Filed Nov 20, 2025 |
9 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
4 insiders bought in 30 days
$6.3M in purchases since Aug 31, 2026 · Purchases traded Aug 31, 2026 to Sep 30, 2026 · Closed
| Insider | Value | Traded | Source |
|---|---|---|---|
| Milton C. Ault III (Chair) | $87K | Aug 31, 2026 | SEC filing |
| Milton C. Ault III (Chair) | $37K | Sep 2, 2026 | SEC filing |
| William B. Horne (CEO) | $20K | Sep 2, 2026 | SEC filing |
| Milton C. Ault III (Chair) | $408K | Sep 4, 2026 | SEC filing |
| Milton C. Ault III (Chair) | $408K | Sep 4, 2026 | SEC filing |
| Henry Carl Nisser (President / COO) | $48K | Sep 4, 2026 | SEC filing |
| Kenneth S. Cragun (CFO) | $19K | Sep 4, 2026 | SEC filing |
| William B. Horne (CEO) | $31K | Sep 8, 2026 | SEC filing |
| Milton C. Ault III (Chair) | $34K | Sep 11, 2026 | SEC filing |
| Milton C. Ault III (Chair) | $30K | Sep 16, 2026 | SEC filing |
| Milton C. Ault III (Chair) | $19K | Sep 23, 2026 | SEC filing |
| Milton C. Ault III (Chair) | $118K | Sep 25, 2026 | SEC filing |
| William B. Horne (CEO) | $17K | Sep 29, 2026 | SEC filing |
| William B. Horne (CEO) | $16K | Sep 30, 2026 | SEC filing |
| Milton C. Ault III (Chair) | $5.1M | Sep 30, 2026 | SEC filing |
2 insiders bought in 30 days
$137K in purchases since May 19, 2026 · Purchases traded May 19, 2026 to Jun 16, 2026 · Closed
| Insider | Value | Traded | Source |
|---|---|---|---|
| Milton C. Ault III (Chair) | $65K | May 19, 2026 | SEC filing |
| Milton C. Ault III (Chair) | $25K | Jun 11, 2026 | SEC filing |
| William B. Horne (CEO) | $34K | Jun 11, 2026 | SEC filing |
| Milton C. Ault III (Chair) | $13K | Jun 16, 2026 | SEC filing |
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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