Bamford Mark S
Officer · TXT
As of 2026-09-16, Bamford Mark S has 32 Form 4 transactions on record across 1 company — 21 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.
Pattern in the record: open-market sales filed in February in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
- Direct $357K
- Indirect $0
| TXT | direct | 4,424 sh | $357K |
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 |
|---|---|---|---|---|---|---|---|
| 2026-02-17 | TXT | Sale | 19,808 @ $97.96 | $1.9M | −71.6% of holding | 7,872 | Form 4 |
| 2026-02-13 | TXT | Sale | 9,533 @ $98.68 | $941K | −35.8% of holding | 17,072 | Form 4 |
| 2025-02-25 | TXT | Sale | 2,000 @ $73.50 | $147K | −9.9% of holding | 18,223 | Form 4 |
| 2025-02-24 | TXT | Sale | 5,451 @ $72.68 | $396K | −23.0% of holding | 18,223 | Form 4 |
28 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-03-01 | TXT | Withheld for tax | 564 | 8,604 | Form 4 |
| 2026-03-01 | TXT | Award / grant | 1,296 | 9,168 | Form 4 |
| 2026-03-01 | TXT | Award / grant | 4,424 | 4,424 | Form 4 |
| 2026-02-17 | TXT | Option exercise | 4,950 | 27,680 | Form 4 |
| 2026-02-17 | TXT | Option exercise | 5,658 | 22,730 | Form 4 |
| 2026-02-17 | TXT | Option exercise | 5,658 | 0 | Form 4 |
| 2026-02-17 | TXT | Option exercise | 4,950 | 0 | Form 4 |
| 2026-02-17 | TXT | Option exercise | 4,950 | 0 | Form 4 |
| 2026-02-17 | TXT | Option exercise | 5,658 | 0 | Form 4 |
| 2026-02-13 | TXT | Option exercise | 4,596 | 24,000 | Form 4 |
| 2026-02-13 | TXT | Option exercise | 1,239 | 26,605 | Form 4 |
| 2026-02-13 | TXT | Option exercise | 1,366 | 25,366 | Form 4 |
| 2026-02-13 | TXT | Option exercise | 4,596 | 0 | Form 4 |
| 2026-02-13 | TXT | Option exercise | 1,366 | 5,658 | Form 4 |
| 2026-02-13 | TXT | Option exercise | 1,239 | 4,950 | Form 4 |
| 2026-02-13 | TXT | Option exercise | 4,596 | 0 | Form 4 |
| 2026-02-13 | TXT | Option exercise | 1,366 | 5,658 | Form 4 |
| 2026-02-13 | TXT | Option exercise | 1,239 | 4,950 | Form 4 |
| 2026-01-02 | TXT | Award / grant | 76 | 1,122 | Form 4 |
| 2025-03-01 | TXT | Withheld for tax | 326 | 19,389 | Form 4 |
| 2025-03-01 | TXT | Award / grant | 4,970 | 4,970 | Form 4 |
| 2025-03-01 | TXT | Award / grant | 1,492 | 19,715 | Form 4 |
| 2025-02-25 | TXT | Option exercise | 2,000 | 20,223 | Form 4 |
| 2025-02-25 | TXT | Option exercise | 2,000 | 4,596 | Form 4 |
| 2025-02-24 | TXT | Option exercise | 5,451 | 23,654 | Form 4 |
| 2025-02-24 | TXT | Option exercise | 5,451 | 0 | Form 4 |
| 2025-01-02 | TXT | Award / grant | 79 | 1,045 | Form 4 |
| 2025-01-01 | TXT | Award / grant | 20,000 | 20,000 | 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.