Quick Takeaways
- DTST - Data Storage Corp has 13 insiders with reported activity on this page.
- Net insider value flow over the last year: -$364,574.
- Recent transaction rows are available for direct filing-level review.
- Info
- Insider Trading
- Financials
Insider Transactions Reported by 13 Insiders of Data Storage Corp
- Symbol
- DTST, DTSTW on Nasdaq
- Location
- New York, NY
What Changed
- Buy value: ; sell value: $364,574.
- Net share flow: -74,654.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Official SEC Source
Insider trading overview
Last 12 monthsNet insider flow leans to selling over the last 12 months. Net value: -$364,574.
Buys
$0
Shares: 0
Insiders: 0
Sells
$364,574
Shares: 74,654
Insiders: 6
Net
-$364,574
Shares: -74,654
Insiders: -6
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 69,988 | $0 | $349,410 | -$349,410 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 4,666 | $0 | $15,164 | -$15,164 |
Data Storage Corp executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Mark Alexander Wyllie | Executive Vice President, Director | $204,000 | Mixed | 17 May 2022 | ||
| Harold J. Schwartz | Director | $177,635 | -$7,582 | -4.1% | Mixed | 29 Jan 2026 |
| Todd A. Correll | Director | $166,358 | -$51,936 | -24% | Filing P/S | 29 Jan 2026 |
| Charles M. Piluso | Chairman and CEO, Director, 10%+ Owner | $37,549 | -$100,312 | -73% | Mixed | 13 Feb 2026 |
| Thomas Kempster | Director | $27,086 | -$41,767 | -61% | 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 |
Top shareholders of Data Storage Corp (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| BARD ASSOCIATES INC |
13F
|
Company |
—
mixed-class rows
|
371,517
mixed-class rows
|
$1,202,781 | — | 31 Dec 2025 | |
| EJF Capital LP |
13F
|
Company |
1.3%
|
200,000
|
$1,024,000 | — | 31 Dec 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
1.2%
|
180,587
|
$924,606 | — | 31 Dec 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.91%
|
136,100
|
$696,832 | — | 31 Dec 2025 | |
| PRELUDE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.8%
|
120,000
|
$614,400 | — | 31 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.36%
|
54,117
|
$277,122 | — | 31 Dec 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.34%
|
50,578
|
$258,959 | — | 31 Dec 2025 | |
| Alpine Global Management, LLC |
13F
|
Company |
0.33%
|
50,000
|
$256,000 | — | 31 Dec 2025 | |
| ANGELES WEALTH MANAGEMENT, LLC |
13F
|
Company |
0.29%
|
43,100
|
$220,672 | — | 31 Dec 2025 | |
| PERRITT CAPITAL MANAGEMENT INC |
13F
|
Company |
0.27%
|
40,000
|
$204,800 | — | 31 Dec 2025 | |
| Rothschild Wealth LLC |
13F
|
Company |
0.27%
|
40,000
|
$204,800 | — | 31 Dec 2025 | |
| Mark Alexander Wyllie |
3/4/5
|
Executive Vice President, Director |
—
class O/S missing
|
100,000
|
$204,000 | — | 17 May 2022 | |
| Focus Partners Wealth |
13F
|
Company |
0.26%
|
39,142
|
$200,407 | — | 31 Dec 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
0.24%
|
36,370
|
$186,215 | — | 31 Dec 2025 | |
| Harold J. Schwartz |
3/4/5
|
Director |
—
mixed-class rows
|
38,471
mixed-class rows
|
$177,635 | -$7,582 | 29 Jan 2026 | |
| Yakira Capital Management, Inc. |
13F
|
Company |
0.23%
|
34,116
|
$174,674 | — | 31 Dec 2025 | |
| Todd A. Correll |
3/4/5
|
Director |
—
mixed-class rows
|
43,540
mixed-class rows
|
$166,358 | -$51,936 | 29 Jan 2026 | |
| FNY Investment Advisers, LLC |
13F
|
Company |
0.18%
|
26,822
|
$137,000 | — | 31 Dec 2025 | |
| XTX Topco Ltd |
13F
|
Company |
0.17%
|
26,147
|
$133,873 | — | 31 Dec 2025 | |
| Centiva Capital, LP |
13F
|
Company |
0.14%
|
21,236
|
$108,728 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.11%
|
16,798
|
$86,006 | — | 31 Dec 2025 | |
| ZACKS INVESTMENT MANAGEMENT |
13F
|
Company |
0.11%
|
16,226
|
$83,077 | — | 31 Dec 2025 | |
| LPL Financial LLC |
13F
|
Company |
0.11%
|
15,856
|
$81,183 | — | 31 Dec 2025 | |
| HERITAGE INVESTORS MANAGEMENT CORP |
13F
|
Company |
0.1%
|
15,000
|
$77,000 | — | 31 Dec 2025 | |
| STATE STREET CORP |
13F
|
Company |
0.07%
|
11,217
|
$57,431 | — | 31 Dec 2025 | |
| Snowden Capital Advisors LLC |
13F
|
Company |
0.07%
|
10,000
|
$51,200 | — | 31 Dec 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.06%
|
9,039
|
$46,279 | — | 31 Dec 2025 | |
| Charles M. Piluso |
3/4/5
|
Chairman and CEO, Director, 10%+ Owner |
—
mixed-class rows
|
560,032
mixed-class rows
|
$37,549 | -$100,312 | 13 Feb 2026 | |
| Thomas Kempster |
3/4/5
|
Director |
—
mixed-class rows
|
14,902
mixed-class rows
|
$27,086 | -$41,767 | 29 Jan 2026 | |
| Joseph B. Hoffman |
3/4/5
|
Director |
—
mixed-class rows
|
15,000
mixed-class rows
|
$25,500 | — | 30 Sep 2023 | |
| Christos Panagiotakos |
3/4/5
|
Chief Financial Officer |
—
mixed-class rows
|
225,507
mixed-class rows
|
$18,775 | -$55,192 | 13 Feb 2026 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
—
class O/S missing
|
78,724
|
$15,572 | — | 31 Dec 2025 | |
| Clear Street Group Inc. |
13F
|
Company |
—
class O/S missing
|
56,583
|
$13,008 | — | 31 Dec 2025 | |
| HEIGHTS CAPITAL MANAGEMENT, INC |
13F
|
Company |
—
class O/S missing
|
29,000
|
$5,736 | — | 31 Dec 2025 | |
| OSAIC HOLDINGS, INC. |
13F
|
Company |
0.01%
|
1,080
|
$5,529 | — | 31 Dec 2025 | |
| Tower Research Capital LLC (TRC) |
13F
|
Company |
0.01%
|
973
|
$4,982 | — | 31 Dec 2025 | |
| HRT FINANCIAL LP |
13F
|
Company |
—
class O/S missing
|
24,709
|
$4,000 | — | 31 Dec 2025 | |
| CITIGROUP INC |
13F
|
Company |
0%
|
580
|
$2,970 | — | 31 Dec 2025 | |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO |
13F
|
Company |
0%
|
362
|
$1,853 | — | 31 Dec 2025 | |
| FMR LLC |
13F
|
Company |
0%
|
342
|
$1,752 | — | 31 Dec 2025 | |
| SBI Securities Co., Ltd. |
13F
|
Company |
0%
|
300
|
$1,536 | — | 31 Dec 2025 | |
| UBS Group AG |
13F
|
Company |
0%
|
208
|
$1,065 | — | 31 Dec 2025 | |
| Stone House Investment Management, LLC |
13F
|
Company |
0%
|
200
|
$1,024 | — | 31 Dec 2025 | |
| ROYAL BANK OF CANADA |
13F
|
Company |
0%
|
103
|
$1,000 | — | 31 Dec 2025 | |
| Marquette Asset Management, LLC |
13F
|
Company |
0%
|
99
|
$507 | — | 31 Dec 2025 | |
| BlackRock, Inc. |
13F
|
Company |
0%
|
69
|
$353 | — | 31 Dec 2025 | |
| Clifford Stein |
3/4/5
|
Director |
—
class O/S missing
|
10,000
|
— | — | 29 Jan 2026 | |
| John Argen |
3/4/5
|
Director |
—
class O/S missing
|
10,000
|
— | — | 29 Jan 2026 | |
| Lawrence A. Maglione |
3/4/5
|
Director |
—
class O/S missing
|
10,000
|
— | -$107,784 | 29 Jan 2026 | |
| Matthew Grover |
3/4/5
|
Director |
—
class O/S missing
|
10,000
|
— | — | 29 Jan 2026 |
Recent Insider Transactions by Companies or Individuals for Data Storage Corp
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| 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 | ||
| Charles M. Piluso | DTST | Common Stock | Options Exercise | 4.64% | 19,221 | 433,380 | 11 Sep 2025 | Direct | ||
| Charles M. Piluso | DTST | Restricted Stock Unit | Options Exercise | -100% | -19,221 | 0 | 11 Sep 2025 | Direct | ||
| Christos Panagiotakos | DTST | Common Stock | Options Exercise | 25.5% | 10,467 | 51,560 | 11 Sep 2025 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.