KATZ MARK STEPHEN
Officer · RYAN
As of 2026-09-16, KATZ MARK STEPHEN has 20 Form 4 transactions on record across 1 company — 3 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 $175K
- Indirect $0
| RYAN | direct | 4,332 sh | $175K |
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 |
|---|---|---|---|---|---|---|---|
| 2026-06-03 | RYAN | Purchase | 3,215 @ $31.07 | $100K | +287.8% of holding | 4,332 | Form 4 |
| 2025-06-13 | RYAN | Sale | 14,377 @ $65.84 | $947K | −92.8% of holding | 1,117 | Form 4 |
| 2024-12-16 | RYAN | Sale | 15,000 @ $66.57 | $999K | −100.0% of holding | 0 | Form 4 |
| 2024-12-13 | RYAN | Sale | 15,000 @ $67.32 | $1.0M | −100.0% of holding | 0 | Form 4 |
16 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-05-05 | RYAN | Award / grant | 33,715 | 33,715 | Form 4 |
| 2026-03-03 | RYAN | Award / grant | 24,869 | 24,869 | Form 4 |
| 2025-06-13 | RYAN | Option exercise | 14,377 | 15,494 | Form 4 |
| 2025-06-13 | RYAN | Option exercise | 7,500 | 477,500 | Form 4 |
| 2025-06-13 | RYAN | Option exercise | 14,500 | 89,397 | Form 4 |
| 2025-06-13 | RYAN | Option exercise | 14,377 | 15,494 | Form 4 |
| 2025-06-13 | RYAN | Option exercise | 7,500 | 477,500 | Form 4 |
| 2025-06-13 | RYAN | Option exercise | 14,500 | 89,397 | Form 4 |
| 2025-04-01 | RYAN | Withheld for tax | 638 | 1,117 | Form 4 |
| 2025-04-01 | RYAN | Option exercise | 1,755 | 0 | Form 4 |
| 2025-04-01 | RYAN | Option exercise | 1,755 | 1,755 | Form 4 |
| 2025-04-01 | RYAN | Option exercise | 1,755 | 1,755 | Form 4 |
| 2024-12-16 | RYAN | Conversion | 15,000 | 41,117 | Form 4 |
| 2024-12-16 | RYAN | Conversion | 15,000 | 15,000 | Form 4 |
| 2024-12-13 | RYAN | Conversion | 2,614 | 56,117 | Form 4 |
| 2024-12-13 | RYAN | Conversion | 2,614 | 15,000 | 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.