DTST insider transaction filings
Data Storage Corp — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-09-14. Screen DTST transaction legs live →
Insider transaction summary — last 90 days
2026-06-24 to 2026-09-22, from the filings listed below: 13 Form 4 filings. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 4 legs across 4 filings by 4 insiders — 13,491 shares, $40,170 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 27.
- Largest priced transaction: sale of 3,991 shares @ $3.05 ($12,173) by Stein Clifford, filed 2026-09-11.
By insider — same window
Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Insider | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|
| Stein Clifford — Director | 2 | — | 1 leg · 3,991 sh · $12,173 | 3 |
| Kempster Thomas — Director | 2 | — | 1 leg · 3,500 sh · $10,238 | 3 |
| Argen John — Director | 2 | — | 1 leg · 3,000 sh · $8,910 | 3 |
| Mitchell Uwayne A. — Director | 2 | — | 1 leg · 3,000 sh · $8,850 | 3 |
| Correll Todd A. — Director | 1 | — | — | 3 |
| Grover Matthew — Director | 1 | — | — | 3 |
| Maglione Lawrence A. — Director | 1 | — | — | 3 |
| Schwartz Harold J — Director | 1 | — | — | 3 |
| Stallone Nancy — Director | 1 | — | — | 3 |
Recent Form 4 filings — Data Storage Corp
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-14 | 4 | Kempster Thomas — Director | Sale (S): 3,500 @ $2.92 | EDGAR |
| 2026-09-11 | 4 | Mitchell Uwayne A. — Director | Sale (S): 3,000 @ $2.95 | EDGAR |
| 2026-09-11 | 4 | Stein Clifford — Director | Sale (S): 3,991 @ $3.05 | EDGAR |
| 2026-09-11 | 4 | Argen John — Director | Sale (S): 3,000 @ $2.97 | EDGAR |
| 2026-09-04 | 4 | Argen John — Director | Option exercise (M): 10,000 @ $0 · Grant/award (A): 12,000 @ $0 · Option exercise (M): 10,000 (derivative) @ $0 | EDGAR |
| 2026-09-04 | 4 | Maglione Lawrence A. — Director | Option exercise (M): 10,000 @ $0 · Grant/award (A): 12,000 @ $0 · Option exercise (M): 10,000 (derivative) @ $0 | EDGAR |
| 2026-09-04 | 4 | Mitchell Uwayne A. — Director | Option exercise (M): 10,000 @ $0 · Grant/award (A): 12,000 @ $0 · Option exercise (M): 10,000 (derivative) @ $0 | EDGAR |
| 2026-09-04 | 4 | Stallone Nancy — Director | Option exercise (M): 10,000 @ $0 · Grant/award (A): 12,000 @ $0 · Option exercise (M): 10,000 (derivative) @ $0 | EDGAR |
| 2026-09-04 | 4 | Stein Clifford — Director | Option exercise (M): 10,000 @ $0 · Grant/award (A): 12,000 @ $0 · Option exercise (M): 10,000 (derivative) @ $0 | EDGAR |
| 2026-09-04 | 4 | Schwartz Harold J — Director | Option exercise (M): 10,000 @ $0 · Grant/award (A): 12,000 @ $0 · Option exercise (M): 10,000 (derivative) @ $0 | EDGAR |
| 2026-09-04 | 4 | Correll Todd A. — Director | Option exercise (M): 10,000 @ $0 · Grant/award (A): 12,000 @ $0 · Option exercise (M): 10,000 (derivative) @ $0 | EDGAR |
| 2026-09-04 | 4 | Grover Matthew — Director | Option exercise (M): 10,000 @ $0 · Grant/award (A): 12,000 @ $0 · Option exercise (M): 10,000 (derivative) @ $0 | EDGAR |
| 2026-09-04 | 4 | Kempster Thomas — Director | Option exercise (M): 10,000 @ $0 · Grant/award (A): 12,000 @ $0 · Option exercise (M): 10,000 (derivative) @ $0 | EDGAR |
| 2026-05-26 | 4 | Piluso Charles M. — Chairman and CEO, Director, 10% owner | Sale (S): 12,555 @ $3.91 · Sale (S): 41,793 @ $3.82 · Sale (S): 32,610 @ $3.82 | EDGAR |
| 2026-02-18 | 4 | Panagiotakos Christos — Chief Financial Officer | Grant/award (A): 60,000 @ $0 · Grant/award (A): 125,000 (derivative) @ $0 | EDGAR |
| 2026-02-18 | 4 | Piluso Charles M. — Chairman and CEO, Director, 10% owner | Grant/award (A): 60,000 @ $0 · Grant/award (A): 250,000 (derivative) @ $0 | EDGAR |
| 2026-02-12 | 4/A | Piluso Charles M. — Chairman and CEO, Director, 10% owner | Grant/award (A): 160,600 @ $0 | EDGAR |
| 2026-02-11 | 4 | Piluso Charles M. — Chairman and CEO, Director, 10% owner | Grant/award (A): 160,600 @ $0 | EDGAR |
| 2026-02-02 | 4 | Schwartz Harold J — Director | Grant/award (A): 10,000 (derivative) @ $0 | EDGAR |
| 2026-02-02 | 4 | Grover Matthew — Director | Grant/award (A): 10,000 (derivative) @ $0 | EDGAR |
| 2026-02-02 | 4 | Correll Todd A. — Director | Grant/award (A): 10,000 (derivative) @ $0 | EDGAR |
| 2026-02-02 | 4 | Maglione Lawrence A. — Director | Grant/award (A): 10,000 (derivative) @ $0 | EDGAR |
| 2026-02-02 | 4 | Mitchell Uwayne A. — Director | Grant/award (A): 10,000 (derivative) @ $0 | EDGAR |
| 2026-02-02 | 4 | Argen John — Director | Grant/award (A): 10,000 (derivative) @ $0 | EDGAR |
| 2026-02-02 | 4 | Kempster Thomas — Director | Grant/award (A): 10,000 (derivative) @ $0 | EDGAR |
| 2026-02-02 | 4 | Stein Clifford — Director | Grant/award (A): 10,000 (derivative) @ $0 | EDGAR |
| 2026-02-02 | 4 | Stallone Nancy — Director | Grant/award (A): 10,000 (derivative) @ $0 | EDGAR |
| 2026-01-16 | 4 | Argen John — Director | Disposition to issuer (D): 57,207 @ $5.20 | EDGAR |
| 2026-01-16 | 4 | Schwartz Harold J — Director, 10% owner | Disposition to issuer (D): 888,376 @ $5.20 · Disposition to issuer (D): 7,500 @ $5.20 | EDGAR |
| 2026-01-16 | 4 | Stein Clifford — Director | Disposition to issuer (D): 280,850 @ $5.20 | EDGAR |
| 2026-01-16 | 4 | Maglione Lawrence A. — Director | Disposition to issuer (D): 24,752 @ $5.20 | EDGAR |
| 2026-01-16 | 4 | Mitchell Uwayne A. — Director | Disposition to issuer (D): 11,248 @ $5.20 | EDGAR |
| 2026-01-16 | 4 | Kempster Thomas — Director, 10% owner | Disposition to issuer (D): 881,472 @ $5.20 | EDGAR |
| 2026-01-16 | 4 | Piluso Charles M. — Chairman and CEO, Director, 10% owner | Disposition to issuer (D): 323,859 @ $5.20 · Disposition to issuer (D): 16,667 @ $5.20 · Disposition to issuer (D): 65,083 @ $5.20 · Disposition to issuer (D): 230,116 @ $5.20 · Disposition to issuer (D): 230,116 @ $5.20 | EDGAR |
| 2026-01-16 | 4 | Grover Matthew — Director | Disposition to issuer (D): 43,340 @ $5.20 | EDGAR |
| 2026-01-16 | 4/A | Grover Matthew — Director | Tax withholding (F): 10,202 @ $4.97 | EDGAR |
| 2026-01-16 | 4 | Stallone Nancy — Director | Disposition to issuer (D): 11,248 @ $5.20 | EDGAR |
| 2025-12-18 | 4 | Schwartz Harold J — Director, 10% owner | Option exercise (M): 9,804 @ $1.96 · Option exercise (M): 16,667 @ $2 · Option exercise (M): 10,352 @ $3.22 · Option exercise (M): 9,804 (derivative) @ $0 · Option exercise (M): 16,667 (derivative) @ $0 · Option exercise (M): 10,352 (derivative) @ $0 | EDGAR |
| 2025-12-15 | 4 | Grover Matthew — Director | Option exercise (M): 627 @ $2.16 · Option exercise (M): 2,500 @ $3.23 · Option exercise (M): 2,500 @ $2.45 · Option exercise (M): 2,500 @ $2.04 · Option exercise (M): 2,500 @ $1.48 · Option exercise (M): 2,500 @ $1.82 · +13 more | EDGAR |
| 2025-12-15 | 4 | Maglione Lawrence A. — Director | Option exercise (M): 1,667 @ $2 · Option exercise (M): 2,500 @ $2.16 · Option exercise (M): 2,500 @ $3.23 · Option exercise (M): 2,500 @ $2.45 · Option exercise (M): 2,500 @ $2.04 · Option exercise (M): 2,500 @ $1.48 · +19 more | EDGAR |
| 2025-12-15 | 4 | Correll Todd A. — Director | Option exercise (M): 627 @ $2.16 · Option exercise (M): 2,500 @ $3.23 · Option exercise (M): 2,500 @ $2.45 · Option exercise (M): 2,500 @ $2.04 · Option exercise (M): 2,500 @ $1.48 · Option exercise (M): 2,500 @ $1.82 · +14 more | EDGAR |
| 2025-12-12 | 4 | Piluso Charles M. — Chairman and CEO, Director, 10% owner | Sale (S): 20,089 @ $4.99 | EDGAR |
| 2025-12-12 | 4 | Kempster Thomas — Director, 10% owner | Sale (S): 6,846 @ $4.99 | EDGAR |
| 2025-12-12 | 4 | Panagiotakos Christos — Chief Financial Officer | Sale (S): 11,053 @ $4.99 | EDGAR |
| 2025-10-14 | 4 | Argen John — Director | Option exercise (M): 2,500 @ $3.23 · Option exercise (M): 834 @ $2.45 · Option exercise (M): 834 @ $2.04 · Option exercise (M): 834 @ $1.48 · Option exercise (M): 834 @ $1.82 · Option exercise (M): 1,667 @ $2.33 · +10 more | EDGAR |
| 2025-09-15 | 4 | Piluso Charles M. — Chairman and CEO, Director, 10% owner | Option exercise (M): 9,804 · Option exercise (M): 9,417 · Option exercise (M): 9,804 (derivative) @ $0 · Option exercise (M): 9,417 (derivative) @ $0 | EDGAR |
| 2025-09-15 | 4 | Panagiotakos Christos — Chief Financial Officer | Option exercise (M): 4,902 · Option exercise (M): 5,565 · Option exercise (M): 4,902 (derivative) @ $0 · Option exercise (M): 5,565 (derivative) @ $0 | EDGAR |
| 2025-09-15 | 4 | Kempster Thomas — EVP, Director, 10% owner | Option exercise (M): 4,902 · Option exercise (M): 8,334 · Option exercise (M): 4,902 (derivative) @ $0 · Option exercise (M): 8,334 (derivative) @ $0 | EDGAR |
| 2025-09-15 | 4/A | Piluso Charles M. — Chairman and CEO, Director, 10% owner | Sale (S): 3,390 @ $3.55 · Option exercise (M): 9,416 · Option exercise (M): 9,416 (derivative) @ $0 | EDGAR |
| 2025-09-15 | 4/A | Panagiotakos Christos — Chief Financial Officer | Sale (S): 2,003 @ $3.61 · Option exercise (M): 5,564 · Option exercise (M): 5,564 (derivative) @ $0 | EDGAR |
Recent 8-K events — Data Storage Corp
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-09-03 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
| 2026-08-14 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-27 | 8-K | 1.01 — Entry into a Material Definitive Agreement 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-15 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-04-14 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-02-13 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-01-16 | 8-K/A | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-01-16 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-12-23 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-12-18 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
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