Doyle John Brendan
Officer · CGTX
As of 2026-09-16, Doyle John Brendan has 12 Form 4 transactions on record across 1 company — 7 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 $631K
- Indirect $0
| CGTX | direct | 618,942 sh | $631K |
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 |
|---|---|---|---|---|---|---|---|
| 2026-04-16 | CGTX | Purchase | 10,000 @ $1.13 | $11K | +1.6% of holding | 627,509 | Form 4 |
11 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-05-01 | CGTX | Withheld for tax | 8,567 | 618,942 | Form 4 |
| 2026-02-15 | CGTX | Withheld for tax | 1,560 | 617,509 | Form 4 |
| 2026-02-04 | CGTX | Withheld for tax | 26,921 | 619,069 | Form 4 |
| 2026-02-03 | CGTX | Award / grant | 200,000 | 645,990 | Form 4 |
| 2025-12-18 | CGTX | Withheld for tax | 9,360 | 445,990 | Form 4 |
| 2025-12-18 | CGTX | Award / grant | 30,000 | 455,350 | Form 4 |
| 2025-07-29 | CGTX | Withheld for tax | 9,360 | 425,350 | Form 4 |
| 2025-07-29 | CGTX | Award / grant | 30,000 | 434,710 | Form 4 |
| 2025-05-01 | CGTX | Withheld for tax | 9,692 | 404,710 | Form 4 |
| 2025-02-15 | CGTX | Withheld for tax | 1,723 | 414,402 | Form 4 |
| 2025-02-04 | CGTX | Award / grant | 295,000 | 416,125 | 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.