CONCANNON CHRISTOPHER R
Director · Officer · MKTX
As of 2026-09-16, CONCANNON CHRISTOPHER R has 12 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 $8.8M
- Indirect $0
| MKTX | direct | 53,600 sh | $8.8M |
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 |
|---|
12 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-04-03 | MKTX | Withheld for tax | 349 | 53,600 | Form 4 |
| 2026-02-15 | MKTX | Withheld for tax | 1,750 | 53,949 | Form 4 |
| 2026-02-15 | MKTX | Withheld for tax | 866 | 49,111 | Form 4 |
| 2026-02-15 | MKTX | Award / grant | 21,736 | 21,736 | Form 4 |
| 2026-02-15 | MKTX | Award / grant | 6,588 | 55,699 | Form 4 |
| 2026-02-13 | MKTX | Award / grant | 1,696 | 49,977 | Form 4 |
| 2025-02-15 | MKTX | Withheld for tax | 693 | 48,281 | Form 4 |
| 2025-02-15 | MKTX | Award / grant | 18,009 | 18,009 | Form 4 |
| 2025-02-15 | MKTX | Award / grant | 6,202 | 48,974 | Form 4 |
| 2025-01-31 | MKTX | Withheld for tax | 585 | 43,015 | Form 4 |
| 2025-01-31 | MKTX | Withheld for tax | 243 | 42,772 | Form 4 |
| 2025-01-29 | MKTX | Award / grant | 1,622 | 43,600 | 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.