Mattis Julia C
Officer · IDCC
As of 2026-09-16, Mattis Julia C has 12 Form 4 transactions on record across 1 company — 12 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 $3.8M
- Indirect $0
| IDCC | direct | 11,562 sh | $3.8M |
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 |
|---|---|---|---|---|---|---|---|
| 2026-06-03 | IDCC | Sale | 1,600 @ $257.65 | $412K | −12.2% of holding | 11,538 | Form 4 |
11 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-07-22 | IDCC | Award / grant | 24 | 11,562 | Form 4 |
| 2026-04-22 | IDCC | Award / grant | 16 | 13,138 | Form 4 |
| 2026-03-31 | IDCC | Award / grant | 4,140 | 13,122 | Form 4 |
| 2026-03-15 | IDCC | Withheld for tax | 1,050 | 9,977 | Form 4 |
| 2026-03-15 | IDCC | Withheld for tax | 993 | 8,984 | Form 4 |
| 2026-03-15 | IDCC | Disposition | 2 | 8,982 | Form 4 |
| 2026-03-15 | IDCC | Disposition | 0 | 9,977 | Form 4 |
| 2026-03-15 | IDCC | Award / grant | 2,470 | 11,027 | Form 4 |
| 2026-01-28 | IDCC | Award / grant | 16 | 8,557 | Form 4 |
| 2025-12-15 | IDCC | Award / grant | 1,068 | 8,541 | Form 4 |
| 2025-10-22 | IDCC | Award / grant | 12 | 7,473 | 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.