Hall Mark L.
Officer · SFD
As of 2026-09-16, Hall Mark L. has 10 Form 4 transactions on record across 1 company — 6 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 $6.3M
- Indirect $0
| SFD | direct | 314,318 sh | $6.3M |
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 |
|---|---|---|---|---|---|---|---|
| 2026-06-09 | SFD | Sale | 78,579 @ $26.36 | $2.1M | −36.8% of holding | 134,725 | Form 4 |
| 2025-09-08 | SFD | Purchase | 2,000 @ $23.25 | $47K | +2.9% of holding | 72,000 | Form 4 |
| 2025-01-29 | SFD | Purchase | 10,000 @ $20.00 | $200K | +16.7% of holding | 70,000 | Form 4 |
7 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-06-09 | SFD | Option exercise | 78,579 | 213,304 | Form 4 |
| 2026-06-09 | SFD | Option exercise | 78,579 | 314,318 | Form 4 |
| 2026-03-10 | SFD | Award / grant | 78,353 | 150,353 | Form 4 |
| 2026-03-10 | SFD | Award / grant | 208,653 | 601,550 | Form 4 |
| 2026-01-28 | SFD | Withheld for tax | 3,848 | 68,152 | Form 4 |
| 2025-01-29 | SFD | Award / grant | 60,000 | 60,000 | Form 4 |
| 2025-01-29 | SFD | Award / grant | 392,897 | 392,897 | 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.