← United States · Coverage record
US · SEC FORM 4
Data Storage Corp
DTST · Nasdaq · CIK 0001419951 · Technology · Information Technology Services
INSIDER SIGNAL
0 qualifying P purchase groups
in the current 180-day scoring window
25 Form 4 transaction lines observed in the same window
7 sales · 18 option, withholding, award, gift or other lines
WHY NO ACTIVE SIGNAL?
Score anatomy
No score is calculated because there is no qualifying purchase in the active window. Unavailable inputs are not treated as zero or as a bearish signal.
Why is there no score?
- No qualifying open-market purchase supplies cluster, size, role, recency or conviction inputs.
- Sales and other Form 4 activity remain visible as context and do not create a negative score.
Sales and other Form 4 activity are shown separately and do not create a negative buy signal. Absence of buying is not scored as bearish.
Insider activity timeline
Owner lanes show the latest 180 days. Symbol shape identifies the transaction type; sales remain context only.
Showing the six most active owners; 4 additional owner(s) remain in Form 4 evidence.
Purchase breadth, concentration & cluster buying
These modules activate when qualifying purchases enter the 180-day research window.
SIGNAL HISTORY
Scores are archived only when the company qualifies for a published US buy-signal snapshot.—
Recent Form 4 activity
P is an open-market or private purchase. S is a sale. M, F, A and G usually describe exercises, tax withholding, awards and gifts. These categories remain visually separate.
Market context
Market context has not been captured for this ticker yet. The daily market-context job processes the US universe in rotating batches.
Short interest
Short interest is external context reported to FINRA by broker-dealers. It does not affect the Insider Signal.
- Shares short
- 44,847
- Previous report
- 3,511
- Avg daily volume
- 32,318
- Days to cover
- 1.4
FINRA settlement date: 2026-09-30 · Captured 2026-10-12 · FINRA equity short interest ↗. A share count, published about a week after each of two settlement dates a month; not a percentage of shares outstanding.
Historical equity purchases
No qualifying code P equity purchase is present in the local Form 4 history.
Form 4 evidence
85 transaction lines in the latest 365-day window; 230 in local history.
| Date | Owner | Type | Security | Shares | Avg. price | Approx. value | Source |
|---|---|---|---|---|---|---|---|
| 2026-09-11 | Kempster Thomas | Sale (S) | Common Stock | 3,500 | USD 2.93 | USD 10,255 | SEC filing ↗ |
| 2026-09-11 | Mitchell Uwayne A. | Sale (S) | Common Stock | 3,000 | USD 2.95 | USD 8,850 | SEC filing ↗ |
| 2026-09-10 | Stein Clifford | Sale (S) | Common Stock | 3,991 | USD 3.05 | USD 12,173 | SEC filing ↗ |
Show recent Form 4 evidence (30 grouped rows)
| Date | Owner | Type | Security | Shares | Avg. price | Approx. value | Source |
|---|---|---|---|---|---|---|---|
| 2026-09-11 | Kempster Thomas | Sale (S) | Common Stock | 3,500 | USD 2.93 | USD 10,255 | SEC filing ↗ |
| 2026-09-11 | Mitchell Uwayne A. | Sale (S) | Common Stock | 3,000 | USD 2.95 | USD 8,850 | SEC filing ↗ |
| 2026-09-10 | Stein Clifford | Sale (S) | Common Stock | 3,991 | USD 3.05 | USD 12,173 | SEC filing ↗ |
| 2026-09-10 | Argen John | Sale (S) | Common Stock | 3,000 | USD 2.97 | USD 8,910 | SEC filing ↗ |
| 2026-09-02 | Stein Clifford | Option exercise / conversion (M) | Common Stock | 10,000 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-09-02 | Stein Clifford | Award / grant (A) | Common Stock | 12,000 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-09-02 | Stallone Nancy | Option exercise / conversion (M) | Common Stock | 10,000 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-09-02 | Stallone Nancy | Award / grant (A) | Common Stock | 12,000 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-09-02 | Schwartz Harold J | Option exercise / conversion (M) | Common Stock | 10,000 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-09-02 | Schwartz Harold J | Award / grant (A) | Common Stock | 12,000 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-09-02 | Mitchell Uwayne A. | Option exercise / conversion (M) | Common Stock | 10,000 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-09-02 | Mitchell Uwayne A. | Award / grant (A) | Common Stock | 12,000 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-09-02 | Maglione Lawrence A. | Option exercise / conversion (M) | Common Stock | 10,000 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-09-02 | Maglione Lawrence A. | Award / grant (A) | Common Stock | 12,000 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-09-02 | Kempster Thomas | Option exercise / conversion (M) | Common Stock | 10,000 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-09-02 | Kempster Thomas | Award / grant (A) | Common Stock | 12,000 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-09-02 | Grover Matthew | Option exercise / conversion (M) | Common Stock | 10,000 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-09-02 | Grover Matthew | Award / grant (A) | Common Stock | 12,000 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-09-02 | Correll Todd A. | Option exercise / conversion (M) | Common Stock | 10,000 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-09-02 | Correll Todd A. | Award / grant (A) | Common Stock | 12,000 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-09-02 | Argen John | Option exercise / conversion (M) | Common Stock | 10,000 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-09-02 | Argen John | Award / grant (A) | Common Stock | 12,000 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-05-26 | Piluso Charles M. | Sale (S) | Common Stock | 32,610 | USD 3.82 | USD 124,570 | SEC filing ↗ |
| 2026-05-22 | Piluso Charles M. | Sale (S) | Common Stock | 41,793 | USD 3.82 | USD 159,649 | SEC filing ↗ |
| 2026-05-21 | Piluso Charles M. | Sale (S) | Common Stock | 12,555 | USD 3.91 | USD 49,090 | SEC filing ↗ |
| 2026-02-13 | Piluso Charles M. | Award / grant (A) | Common Stock | 60,000 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-02-13 | Panagiotakos Christos | Award / grant (A) | Common Stock | 60,000 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-02-09 | Piluso Charles M. | Award / grant (A) | Common Stock | 160,600 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-02-09 | Piluso Charles M. | Award / grant (A) | Common Stock | 160,600 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-01-14 | Stein Clifford | D (D) | Common Stock | 280,850 | USD 5.20 | USD 1,460,420 | SEC filing ↗ |
Multiple price lines in one filing are grouped and share-weighted. Price and value are blank when a grouped filing line lacks price evidence.
Snapshot & identity
| Snapshot date | 2026-10-18 |
|---|---|
| Ranking version | US-v1.2 |
| Data quality | PASS ELIGIBLE · — |
| Ticker | DTST |
| CIK | 0001419951 |
| Sector | Technology |
| Industry | Information Technology Services Yahoo Finance |
| SEC SIC | 7374 Services-Computer Processing & Data Preparation |
| Exchange | Nasdaq |
Data coverage
| Local Form 4 history | 230 transaction lines from 2022-02-15 to 2026-09-11 0 P purchase lines · 30 S sale lines · 200 other lines |
|---|---|
| SEC company submissions | Open SEC filings ↗ |
Local ledger as of 2026-10-18. Mapping status is an audit field and does not erase SEC filing evidence.