Walsh Mark T.
Director · Officer · SVV
As of 2026-09-16, Walsh Mark T. has 61 Form 4 transactions on record across 1 company — 41 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 $6.0M
- Indirect $0
| SVV | direct | 660,395 sh | $6.0M |
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 |
|---|---|---|---|---|---|---|---|
| 2026-08-11 | SVV | Sale | 92,059 @ $11.93 | $1.1M | −66.0% of holding | 47,363 | Form 4 |
| 2026-08-10 | SVV | Sale | 100,000 @ $12.20 | $1.2M | −67.9% of holding | 47,363 | Form 4 |
| 2026-08-07 | SVV | Sale | 36,964 @ $12.38 | $458K | −43.8% of holding | 47,363 | Form 4 |
| 2026-08-07 | SVV | Sale | 36,938 @ $12.38 | $457K | −27.5% of holding | 97,363 | Form 4 |
| 2026-08-07 | SVV | Sale | 13,062 @ $11.66 | $152K | −8.9% of holding | 134,301 | Form 4 |
| 2026-08-07 | SVV | Sale | 13,036 @ $11.67 | $152K | −13.4% of holding | 84,327 | Form 4 |
| 2026-08-06 | SVV | Sale | 50,000 @ $10.94 | $547K | −20.2% of holding | 197,363 | Form 4 |
| 2026-08-06 | SVV | Sale | 50,000 @ $10.92 | $546K | −25.3% of holding | 147,363 | Form 4 |
| 2026-08-05 | SVV | Sale | 7,941 @ $11.02 | $88K | −14.4% of holding | 47,363 | Form 4 |
| 2026-06-18 | SVV | Sale | 41,600 @ $10.08 | $419K | −46.8% of holding | 47,363 | Form 4 |
| 2026-06-17 | SVV | Sale | 300 @ $10.00 | $3K | −0.3% of holding | 88,963 | Form 4 |
| 2026-06-16 | SVV | Sale | 3,100 @ $10.15 | $31K | −3.4% of holding | 89,263 | Form 4 |
| 2025-09-24 | SVV | Sale | 34,184 @ $13.08 | $447K | −100.0% of holding | 0 | Form 4 |
| 2025-09-18 | SVV | Sale | 2,100 @ $13.00 | $27K | −100.0% of holding | 0 | Form 4 |
| 2025-09-17 | SVV | Sale | 3,970 @ $13.01 | $52K | −100.0% of holding | 0 | Form 4 |
| 2025-09-11 | SVV | Sale | 4,096 @ $13.02 | $53K | −100.0% of holding | 0 | Form 4 |
| 2025-09-05 | SVV | Sale | 5,650 @ $13.00 | $73K | −100.0% of holding | 0 | Form 4 |
| 2025-05-15 | SVV | Sale | 40,000 @ $8.86 | $354K | −100.0% of holding | 0 | Form 4 |
| 2024-12-10 | SVV | Sale | 60,000 @ $9.87 | $592K | −100.0% of holding | 0 | Form 4 |
42 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-08-11 | SVV | Option exercise | 50,000 | 139,422 | Form 4 |
| 2026-08-11 | SVV | Option exercise | 50,000 | 660,395 | Form 4 |
| 2026-08-11 | SVV | Option exercise | 42,059 | 89,422 | Form 4 |
| 2026-08-11 | SVV | Option exercise | 42,059 | 540,800 | Form 4 |
| 2026-08-10 | SVV | Option exercise | 50,000 | 710,395 | Form 4 |
| 2026-08-10 | SVV | Option exercise | 50,000 | 147,363 | Form 4 |
| 2026-08-10 | SVV | Option exercise | 50,000 | 582,859 | Form 4 |
| 2026-08-10 | SVV | Option exercise | 50,000 | 97,363 | Form 4 |
| 2026-08-07 | SVV | Option exercise | 50,000 | 760,395 | Form 4 |
| 2026-08-07 | SVV | Option exercise | 50,000 | 247,363 | Form 4 |
| 2026-08-07 | SVV | Option exercise | 50,000 | 632,859 | Form 4 |
| 2026-08-07 | SVV | Option exercise | 50,000 | 197,363 | Form 4 |
| 2026-08-06 | SVV | Option exercise | 50,000 | 810,395 | Form 4 |
| 2026-08-06 | SVV | Option exercise | 50,000 | 147,363 | Form 4 |
| 2026-08-06 | SVV | Option exercise | 50,000 | 682,859 | Form 4 |
| 2026-08-06 | SVV | Option exercise | 50,000 | 97,363 | Form 4 |
| 2026-08-05 | SVV | Option exercise | 7,941 | 55,304 | Form 4 |
| 2026-08-05 | SVV | Option exercise | 7,941 | 732,859 | Form 4 |
| 2026-03-13 | SVV | Award / grant | 80,901 | 80,901 | Form 4 |
| 2026-03-12 | SVV | Award / grant | 511,508 | 511,508 | Form 4 |
| 2026-03-12 | SVV | Option exercise | 93,764 | 127,266 | Form 4 |
| 2026-03-12 | SVV | Withheld for tax | 34,903 | 92,363 | Form 4 |
| 2026-03-12 | SVV | Option exercise | 33,502 | 33,502 | Form 4 |
| 2026-03-12 | SVV | Option exercise | 93,764 | 187,529 | Form 4 |
| 2026-03-12 | SVV | Award / grant | 256,410 | 256,410 | Form 4 |
| 2026-03-12 | SVV | Option exercise | 33,502 | 68,020 | Form 4 |
| 2025-09-24 | SVV | Option exercise | 34,184 | 2,064,456 | Form 4 |
| 2025-09-24 | SVV | Option exercise | 34,184 | 34,184 | Form 4 |
| 2025-09-18 | SVV | Option exercise | 2,100 | 2,098,640 | Form 4 |
| 2025-09-18 | SVV | Option exercise | 2,100 | 2,100 | Form 4 |
| 2025-09-17 | SVV | Option exercise | 3,970 | 2,100,740 | Form 4 |
| 2025-09-17 | SVV | Option exercise | 3,970 | 3,970 | Form 4 |
| 2025-09-11 | SVV | Option exercise | 4,096 | 2,104,710 | Form 4 |
| 2025-09-11 | SVV | Option exercise | 4,096 | 4,096 | Form 4 |
| 2025-09-05 | SVV | Option exercise | 5,650 | 2,108,806 | Form 4 |
| 2025-09-05 | SVV | Option exercise | 5,650 | 5,650 | Form 4 |
| 2025-05-15 | SVV | Option exercise | 40,000 | 40,000 | Form 4 |
| 2025-05-15 | SVV | Option exercise | 40,000 | 2,114,456 | Form 4 |
| 2025-03-12 | SVV | Award / grant | 281,293 | 281,293 | Form 4 |
| 2025-03-12 | SVV | Award / grant | 671,140 | 671,140 | 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.