DiGiovanni Jeffrey
Officer · ISSC
As of 2026-09-16, DiGiovanni Jeffrey has 15 Form 4 transactions on record across 1 company — 13 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Reconstructed holdings
- Direct $405K
- Indirect $0
| ISSC | direct | 21,793 sh | $405K |
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|
15 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-08-31 | — | Withheld for tax | 480 | 85,758 | Form 4 |
| 2026-07-14 | ISSC | Award / grant | 21,793 | 21,793 | Form 4 |
| 2026-07-08 | ISSC | Withheld for tax | 749 | 86,238 | Form 4 |
| 2026-06-30 | ISSC | Withheld for tax | 910 | 86,987 | Form 4 |
| 2026-05-18 | ISSC | Withheld for tax | 474 | 87,897 | Form 4 |
| 2026-04-08 | ISSC | Withheld for tax | 765 | 88,371 | Form 4 |
| 2026-03-31 | ISSC | Withheld for tax | 897 | 89,136 | Form 4 |
| 2026-02-18 | ISSC | Withheld for tax | 2,172 | 90,033 | Form 4 |
| 2026-02-17 | ISSC | Award / grant | 9,455 | 92,205 | Form 4 |
| 2026-02-17 | ISSC | Award / grant | 9,455 | 9,455 | Form 4 |
| 2026-02-17 | ISSC | Award / grant | 16,108 | 16,108 | Form 4 |
| 2026-01-13 | ISSC | Withheld for tax | 868 | 82,750 | Form 4 |
| 2025-12-31 | ISSC | Withheld for tax | 1,000 | 83,618 | Form 4 |
| 2025-02-18 | ISSC | Award / grant | 17,462 | 84,618 | Form 4 |
| 2025-02-18 | ISSC | Award / grant | 33,259 | 33,259 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.