Briffa Mark
Officer · UP
As of 2026-09-16, Briffa Mark has 25 Form 4 transactions on record across 1 company — 15 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 $106K
- Indirect $0
| UP | direct | 33,672 sh | $106K |
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 |
|---|---|---|---|---|---|---|---|
| 2026-06-11 | UP | Sale | 1,017 @ $7.50 | $8K | −1.3% of holding | 80,083 | Form 4 |
| 2026-05-13 | UP | Sale | 3,804 @ $4.99 | $19K | −4.4% of holding | 82,003 | Form 4 |
| 2025-11-07 | UP | Sale | 86,813 @ $1.23 | $107K | −9.1% of holding | 866,670 | Form 4 |
| 2025-09-11 | UP | Sale | 9,904 @ $2.18 | $22K | −0.9% of holding | 1,050,469 | Form 4 |
| 2025-08-28 | UP | Sale | 5,780 @ $2.96 | $17K | −0.5% of holding | 1,069,157 | Form 4 |
| 2025-08-26 | UP | Sale | 5,780 @ $3.00 | $17K | −0.5% of holding | 1,074,937 | Form 4 |
| 2025-03-13 | UP | Sale | 28,717 @ $1.06 | $30K | −2.6% of holding | 1,090,971 | Form 4 |
18 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-08-26 | UP | Withheld for tax | 646 | 33,672 | Form 4 |
| 2026-08-26 | UP | Withheld for tax | 257 | 34,318 | Form 4 |
| 2026-05-26 | UP | Withheld for tax | 646 | 81,100 | Form 4 |
| 2026-05-26 | UP | Withheld for tax | 257 | 81,746 | Form 4 |
| 2026-02-26 | UP | Withheld for tax | 51,641 | 1,696,189 | Form 4 |
| 2026-02-26 | UP | Withheld for tax | 5,127 | 1,747,830 | Form 4 |
| 2026-02-25 | UP | Withheld for tax | 620 | 857,284 | Form 4 |
| 2026-02-25 | UP | Award / grant | 1,319 | 857,904 | Form 4 |
| 2026-02-25 | UP | Award / grant | 895,673 | 1,752,957 | Form 4 |
| 2026-02-23 | UP | Withheld for tax | 4,958 | 856,585 | Form 4 |
| 2025-11-26 | UP | Withheld for tax | 5,127 | 861,543 | Form 4 |
| 2025-10-02 | UP | Withheld for tax | 76,986 | 973,483 | Form 4 |
| 2025-09-09 | UP | Withheld for tax | 8,784 | 1,060,373 | Form 4 |
| 2025-08-26 | UP | Withheld for tax | 5,127 | 1,080,717 | Form 4 |
| 2025-05-26 | UP | Withheld for tax | 5,127 | 1,085,844 | Form 4 |
| 2025-02-26 | UP | Withheld for tax | 20,510 | 680,234 | Form 4 |
| 2025-02-26 | UP | Award / grant | 366,212 | 1,046,446 | Form 4 |
| 2025-02-24 | UP | Withheld for tax | 4,958 | 700,744 | 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.