Michael R. Cianciulli
CIK 2007722 · View on SEC EDGAR ↗
Insider
First SEC filing: Feb. 7, 2024 · Latest: Feb. 7, 2024
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 7 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| April 1, 2025 | MKTX | A | 232 | — | — | 1,155 Direct | +25.14% | Acquired | (price as of 2026-08-20) |
| Feb. 15, 2025 | MKTX | F | 83 | $193.49 | $16,060 | 923 Direct | -8.25% | Disposed | -16.4% (price as of 2026-08-20) |
| Feb. 15, 2025 | MKTX | A | 324 | — | — | 1,006 Direct | +47.51% | Acquired | (price as of 2026-08-20) |
| Jan. 31, 2025 | MKTX | F | 8 | $217.77 | $1,742 | 682 Direct | -1.16% | Disposed | -25.7% (price as of 2026-08-20) |
| Feb. 15, 2024 | MKTX | F | 13 | $216.21 | $2,811 | 657 Direct | -1.94% | Disposed | -25.2% (price as of 2026-08-20) |
| Feb. 15, 2024 | MKTX | A | 225 | — | — | 670 Direct | +50.56% | Acquired | (price as of 2026-08-20) |
| Feb. 15, 2024 | MKTX | A | 281 | — | — | 445 Direct | +171.34% | Acquired | (price as of 2026-08-20) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Feb. 7, 2024 | MKTX | Common Stock, par value $0.003 per share | 132 | Direct |