MACKEY CATHERINE J
Director · IDYA, VYGR, CDMO
As of 2026-09-16, MACKEY CATHERINE J has 18 Form 4 transactions on record across 3 companies — 2 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
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 |
|---|
18 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-06-16 | IDYA | Award / grant | 20,000 | 20,000 | Form 4 |
| 2026-06-09 | VYGR | Award / grant | 30,000 | 30,000 | Form 4 |
| 2025-06-24 | IDYA | Award / grant | 20,000 | 20,000 | Form 4 |
| 2025-06-03 | VYGR | Award / grant | 24,000 | 24,000 | Form 4 |
| 2025-02-05 | CDMO | Disposition | 10,030 | 0 | Form 4 |
| 2025-02-05 | CDMO | Disposition | 8,147 | 0 | Form 4 |
| 2025-02-05 | CDMO | Disposition | 19,675 | 10,030 | Form 4 |
| 2025-02-05 | CDMO | Disposition | 10,030 | 0 | Form 4 |
| 2025-02-05 | CDMO | Disposition | 8,147 | 0 | Form 4 |
| 2025-02-05 | CDMO | Disposition | 32,100 | 29,705 | Form 4 |
| 2025-02-05 | CDMO | Disposition | 43,379 | 0 | Form 4 |
| 2025-02-05 | CDMO | Disposition | 19,675 | 10,030 | Form 4 |
| 2025-02-05 | CDMO | Disposition | 43,379 | 0 | Form 4 |
| 2025-02-05 | CDMO | Disposition | 32,100 | 29,705 | Form 4 |
| 2024-12-14 | CDMO | Award / grant | 8,147 | 8,147 | Form 4 |
| 2024-12-14 | CDMO | Option exercise | 26,756 | 0 | Form 4 |
| 2024-12-14 | CDMO | Option exercise | 26,756 | 43,379 | Form 4 |
| 2024-12-14 | CDMO | Option exercise | 26,756 | 43,379 | 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.