Comparable stake leader
ANGELES WEALTH MANAGEMENT, LLC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001419951.
Comparable stake leader
ANGELES WEALTH MANAGEMENT, LLC
Disclosed value leader
Charles M. Piluso
Comparable rows
14/33
Latest evidence
21 May 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
14 of 33 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 |
|---|---|---|---|---|---|
| ANGELES WEALTH MANAGEMENT, LLC |
13F
Company
|
0.29%
|
$166,797
43,100 shares
|
— | 31 Mar 2026 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
0.25%
|
$148,050
38,247 shares
|
— | 31 Mar 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
0.21%
|
$121,065
31,283 shares
|
— | 31 Mar 2026 |
| CITADEL ADVISORS LLC |
13F
Company
|
0.15%
|
$88,847
22,958 shares
|
— | 31 Mar 2026 |
| MILLENNIUM MANAGEMENT LLC |
13F
Company
|
0.15%
|
$85,039
21,974 shares
|
— | 31 Mar 2026 |
| Focus Partners Wealth |
13F
Company
|
0.12%
|
$68,998
17,829 shares
|
— | 31 Mar 2026 |
| Centiva Capital, LP |
13F
Company
|
0.11%
|
$62,601
16,176 shares
|
— | 31 Mar 2026 |
| XTX Topco Ltd |
13F
Company
|
0.09%
|
$50,863
13,143 shares
|
— | 31 Mar 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: -$682,719.
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 86,958 | $0 | $333,310 | -$333,310 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 69,988 | $0 | $349,410 | -$349,410 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Showing 1-13 of 13 reporting-owner rows connected to Data Storage Corp. Open a relationship link for the CIK-to-CIK filing trail.
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Charles M. Piluso | Chairman and CEO, Director, 10%+ Owner | $889,691 | -$433,622 | -33% | Mixed | 21 May 2026 |
| Mark Alexander Wyllie | Executive Vice President, Director | $204,000 | Mixed | 17 May 2022 | ||
| Harold J. Schwartz | Director | $177,635 | Mixed | 29 Jan 2026 | ||
| Todd A. Correll | Director | $166,358 | -$51,936 | -24% | Filing P/S | 29 Jan 2026 |
| Thomas Kempster | Director | $27,086 | -$34,185 | -56% | Mixed | 29 Jan 2026 |
| Joseph B. Hoffman | Director | $25,500 | Mixed | 30 Sep 2023 | ||
| Christos Panagiotakos | Chief Financial Officer | $18,775 | -$55,192 | -75% | Mixed | 13 Feb 2026 |
| Matthew Grover | Director | $0 | Mixed | 29 Jan 2026 | ||
| Clifford Stein | Director | $0 | Mixed | 29 Jan 2026 | ||
| Lawrence A. Maglione | Director | $0 | -$107,784 | -100% | Mixed | 29 Jan 2026 |
| Nancy M. Stallone | Director | $0 | Mixed | 29 Jan 2026 | ||
| John Argen | Director | $0 | Mixed | 29 Jan 2026 | ||
| Uwayne A. Mitchell | Director | $0 | Mixed | 29 Jan 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Charles M. Piluso | DTST | Common Stock | Sale | -12.8% | $124,570 | $3.82 | -32,610 | 223,074 | 26 May 2026 | Direct |
| Charles M. Piluso | DTST | Common Stock | Sale | -14% | $159,649 | $3.82 | -41,793 | 255,684 | 22 May 2026 | Direct |
| Charles M. Piluso | DTST | Common Stock | Sale | -4.05% | $49,090 | $3.91 | -12,555 | 297,477 | 21 May 2026 | Direct |
| Christos Panagiotakos | DTST | Common Stock | Award | 148.1% | 60,000 | 100,507 | 13 Feb 2026 | Direct | ||
| Christos Panagiotakos | DTST | Stock Options | Award | 125,000 | 125,000 | 13 Feb 2026 | Direct | |||
| Charles M. Piluso | DTST | Common Stock | Award | 24% | 60,000 | 310,032 | 13 Feb 2026 | Direct | ||
| Charles M. Piluso | DTST | Stock Options | Award | 250,000 | 250,000 | 13 Feb 2026 | Direct | |||
| Charles M. Piluso | DTST | Common Stock | Award | 179.6% | 160,600 | 250,032 | 09 Feb 2026 | Direct | ||
| Harold J. Schwartz | DTST | Restricted Stock Unit | Award | 10,000 | 10,000 | 29 Jan 2026 | Direct | |||
| Matthew Grover | DTST | Restricted Stock Unit | Award | 10,000 | 10,000 | 29 Jan 2026 | Direct | |||
| Todd A. Correll | DTST | Restricted Stock Unit | Award | 10,000 | 10,000 | 29 Jan 2026 | Direct | |||
| Lawrence A. Maglione | DTST | Restricted Stock Unit | Award | 10,000 | 10,000 | 29 Jan 2026 | Direct | |||
| Uwayne A. Mitchell | DTST | Restricted Stock Unit | Award | 10,000 | 10,000 | 29 Jan 2026 | Direct | |||
| John Argen | DTST | Restricted Stock Unit | Award | 10,000 | 10,000 | 29 Jan 2026 | Direct | |||
| Thomas Kempster | DTST | Restricted Stock Unit | Award | 10,000 | 10,000 | 29 Jan 2026 | Direct | |||
| Clifford Stein | DTST | Restricted Stock Unit | Award | 10,000 | 10,000 | 29 Jan 2026 | Direct | |||
| Nancy M. Stallone | DTST | Restricted Stock Unit | Award | 10,000 | 10,000 | 29 Jan 2026 | Direct | |||
| John Argen | DTST | Common Stock | Disposed to Issuer | -100% | -57,207 | 0 | 14 Jan 2026 | Direct | ||
| Harold J. Schwartz | DTST | Common Stock | Disposed to Issuer | -100% | -7,500 | 0 | 14 Jan 2026 | Systems Trading, Inc. | ||
| Harold J. Schwartz | DTST | Common Stock | Disposed to Issuer | -96.9% | -888,376 | 28,471 | 14 Jan 2026 | Direct | ||
| Clifford Stein | DTST | Common Stock | Disposed to Issuer | -100% | -280,850 | 0 | 14 Jan 2026 | Direct | ||
| Lawrence A. Maglione | DTST | Common Stock | Disposed to Issuer | -100% | -24,752 | 0 | 14 Jan 2026 | Direct | ||
| Uwayne A. Mitchell | DTST | Common Stock | Disposed to Issuer | -100% | -11,248 | 0 | 14 Jan 2026 | Direct | ||
| Nancy Stallone | DTST | Common Stock | Disposed to Issuer | -100% | -11,248 | 0 | 14 Jan 2026 | Direct | ||
| Thomas Kempster | DTST | Common Stock | Disposed to Issuer | -100% | -881,472 | 0 | 14 Jan 2026 | Direct | ||
| Charles M. Piluso | DTST | Common Stock | Disposed to Issuer | -100% | -230,116 | 0 | 14 Jan 2026 | The Bella Vita 2012 Trust dated 5/4/12 | ||
| Charles M. Piluso | DTST | Common Stock | Disposed to Issuer | -100% | -230,116 | 0 | 14 Jan 2026 | The Lasata 2012 Trust date 5/4/12 | ||
| Charles M. Piluso | DTST | Common Stock | Disposed to Issuer | -100% | -65,083 | 0 | 14 Jan 2026 | Piluso Family Associates LLC | ||
| Charles M. Piluso | DTST | Common Stock | Disposed to Issuer | -100% | -16,667 | 0 | 14 Jan 2026 | Piluso Family Associates | ||
| Charles M. Piluso | DTST | Common Stock | Disposed to Issuer | -78.4% | -323,859 | 89,432 | 14 Jan 2026 | Direct | ||
| Matthew Grover | DTST | Common Stock | Disposed to Issuer | -100% | -43,340 | 0 | 14 Jan 2026 | Direct | ||
| Harold J. Schwartz | DTST | Common Stock | Options Exercise | 4.09% | 36,823 | 937,582 | 16 Dec 2025 | Direct | ||
| Harold J. Schwartz | DTST | Stock Option | Options Exercise | 36,823 | 0 | 16 Dec 2025 | Direct | |||
| Matthew Grover | DTST | Common Stock | Tax liability | -19% | -10,202 | 43,340 | 12 Dec 2025 | Direct | ||
| Lawrence A. Maglione | DTST | Common Stock | Sale | -11.8% | $16,584 | $5.03 | -3,298 | 24,752 | 12 Dec 2025 | Direct |
| Lawrence A. Maglione | DTST | Common Stock | Sale | -39.4% | $91,200 | $5.00 | -18,231 | 28,050 | 11 Dec 2025 | Direct |
| Lawrence A. Maglione | DTST | Common Stock | Tax liability | -20.1% | -11,631 | 46,281 | 11 Dec 2025 | Direct | ||
| Lawrence A. Maglione | DTST | Common Stock | Options Exercise | 77.4% | 24,167 | 55,412 | 11 Dec 2025 | Direct | ||
| Lawrence A. Maglione | DTST | Stock Option | Options Exercise | -100% | -24,167 | 0 | 11 Dec 2025 | Direct | ||
| Todd A. Correll | DTST | Common Stock | Sale | -23.8% | $51,936 | $4.96 | -10,471 | 33,540 | 11 Dec 2025 | Direct |
| Todd A. Correll | DTST | Common Stock | Tax liability | -18.8% | -10,156 | 44,011 | 11 Dec 2025 | Direct | ||
| Todd A. Correll | DTST | Common Stock | Options Exercise | 61.5% | 20,627 | 54,167 | 11 Dec 2025 | Direct | ||
| Todd A. Correll | DTST | Stock Option | Options Exercise | -100% | -20,627 | 0 | 11 Dec 2025 | Direct | ||
| Charles M. Piluso | DTST | Common Stock | Sale | -4.64% | $100,312 | $4.99 | -20,089 | 413,291 | 10 Dec 2025 | Direct |
| Thomas Kempster | DTST | Common Stock | Sale | -0.78% | $34,185 | $4.99 | -6,846 | 871,972 | 10 Dec 2025 | Direct |
| Christos Panagiotakos | DTST | Common Stock | Sale | -21.4% | $55,192 | $4.99 | -11,053 | 40,507 | 10 Dec 2025 | Direct |
| John Argen | DTST | Common Stock | Options Exercise | 33.8% | 11,670 | 46,252 | 09 Oct 2025 | Direct | ||
| John Argen | DTST | Option to Purchase Stock | Options Exercise | -100% | -11,670 | 0 | 09 Oct 2025 | Direct | ||
| Harold J. Schwartz | DTST | Common Stock | Options Exercise | 1.49% | 13,236 | 900,759 | 11 Sep 2025 | Direct | ||
| Harold J. Schwartz | DTST | Restricted Stock Unit | Options Exercise | -100% | -13,236 | 0 | 11 Sep 2025 | Direct |