MKTX insider buying and SEC filings, explained
Marketaxess Holdings Inc. · CIK 1278021
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$1.0M
Planned sales (10b5-1)
$174K
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Oct 12, 2026 | Planned (10b5-1) | Scott Pintoff (General Counsel and Secretary) sold 100 shares at $164.65 ($16K), marked as a 10b5-1 plan trade. Holdings down 1% to 11,386 shares. | SEC filing Filed Oct 13, 2026, 4:15 PM ET |
| Sep 10, 2026 | Planned (10b5-1) | Scott Pintoff (General Counsel and Secretary) sold 100 shares at $163.32 ($16K), marked as a 10b5-1 plan trade. Holdings down 1% to 11,486 shares. | SEC filing Filed Sep 11, 2026 |
| Sep 10, 2026 | Sale | William Frank Cruger Jr. (Director) sold 6,164 shares at $163.20 ($1.0M). Holdings down 60% to 4,033 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 11, 2026 |
| Aug 10, 2026 | Planned (10b5-1) | Scott Pintoff (General Counsel and Secretary) sold 100 shares at $162.60 ($16K), marked as a 10b5-1 plan trade. Holdings down 1% to 11,586 shares. | SEC filing Filed Aug 10, 2026 |
| Jul 10, 2026 | Planned (10b5-1) | Scott Pintoff (General Counsel and Secretary) sold 100 shares at $115.12 ($12K), marked as a 10b5-1 plan trade. Holdings down 1% to 11,686 shares. | SEC filing Filed Jul 10, 2026 |
| Jun 10, 2026 | Planned (10b5-1) | Scott Pintoff (General Counsel and Secretary) sold 100 shares at $116.03 ($12K), marked as a 10b5-1 plan trade. Holdings down 1% to 11,786 shares. | SEC filing Filed Jun 12, 2026 |
| May 11, 2026 | Planned (10b5-1) | Scott Pintoff (General Counsel and Secretary) sold 100 shares at $146.99 ($15K), marked as a 10b5-1 plan trade. Holdings down 1% to 11,886 shares. | SEC filing Filed May 11, 2026 |
| Apr 10, 2026 | Planned (10b5-1) | Scott Pintoff (General Counsel and Secretary) sold 100 shares at $171.96 ($17K), marked as a 10b5-1 plan trade. Holdings down 1% to 11,986 shares. | SEC filing Filed Apr 10, 2026 |
| Mar 10, 2026 | Planned (10b5-1) | Scott Pintoff (General Counsel and Secretary) sold 100 shares at $184.93 ($18K), marked as a 10b5-1 plan trade. Holdings down 1% to 12,086 shares. | SEC filing Filed Mar 10, 2026 |
| Feb 10, 2026 | Planned (10b5-1) | Scott Pintoff (General Counsel and Secretary) sold 100 shares at $171.91 ($17K), marked as a 10b5-1 plan trade. Holdings down 1% to 9,538 shares. | SEC filing Filed Feb 10, 2026 |
| Jan 12, 2026 | Planned (10b5-1) | Scott Pintoff (General Counsel and Secretary) sold 100 shares at $168.63 ($17K), marked as a 10b5-1 plan trade. Holdings down 1% to 9,638 shares. | SEC filing Filed Jan 12, 2026 |
| Dec 12, 2025 | Planned (10b5-1) | Scott Pintoff (General Counsel and Secretary) sold 100 shares at $177.85 ($18K), marked as a 10b5-1 plan trade. Holdings down 1% to 9,738 shares. | SEC filing Filed Dec 12, 2025 |
27 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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