Sullivan Brian F.
Director · Officer · CELC
As of 2026-09-16, Sullivan Brian F. has 14 Form 4 transactions on record across 1 company — 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
- Direct $9.9M
- Indirect $0
| CELC | direct | 120,000 sh | $9.9M |
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 |
|---|
14 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-08-14 | CELC | Award / grant | 120,000 | 120,000 | Form 4 |
| 2026-08-14 | CELC | Award / grant | 80,000 | 1,450,199 | Form 4 |
| 2025-09-02 | CELC | Exercise | 104,340 | 1,370,199 | Form 4 |
| 2025-09-02 | CELC | Exercise | 104,340 | 0 | Form 4 |
| 2025-08-18 | CELC | Award / grant | 250,000 | 250,000 | Form 4 |
| 2025-08-18 | CELC | Award / grant | 150,000 | 150,000 | Form 4 |
| 2025-04-14 | CELC | Gift | 8,155 | 1,265,859 | Form 4 |
| 2025-04-14 | CELC | Gift | 8,155 | 0 | Form 4 |
| 2025-03-04 | CELC | Gift | 36,845 | 802,742 | Form 4 |
| 2025-03-04 | CELC | Gift | 36,845 | 8,155 | Form 4 |
| 2025-03-03 | CELC | Gift | 39,670 | 1,302,704 | Form 4 |
| 2025-03-03 | CELC | Gift | 45,000 | 45,000 | Form 4 |
| 2025-03-03 | CELC | Gift | 45,000 | 1,257,704 | Form 4 |
| 2025-03-03 | CELC | Gift | 39,670 | 948,042 | 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.