Harish Jayabalan
CIK 2080538 · View on SEC EDGAR ↗
Insider
First SEC filing: Aug. 13, 2025 · Latest: June 18, 2026
On this page
Insider at
Insider transactions
0 buys (P)
3 sells (S)
Net:
$-2,170,306
+ 14 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
14 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 4, 2026 | MIAX | S 10b5-1 | 20,000 | $45.90 | $918,000 | 78,065 Direct | -20.39% | Disposed | -9.0% (price as of 2026-08-19) |
| July 6, 2026 | MIAX | S 10b5-1 | 20,000 | $42.12 | $842,400 | 78,065 Direct | -20.39% | Disposed | -0.8% (price as of 2026-08-19) |
| June 8, 2026 | MIAX | S | 10,217 | $40.12 | $409,906 | 73,405 | — | — | 4.1% (price as of 2026-08-19) |
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.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Aug. 4, 2026 | MIAX | Nonqualified Stock Option (Right to Buy) | Common Stock (14,168) | $12.00 | July 31, 2029 | 14,168 | Disposed |
| Aug. 4, 2026 | MIAX | Nonqualified Stock Option (Right to Buy) | Common Stock (5,832) | $15.22 | Nov. 30, 2030 | 5,832 | Disposed |
| July 6, 2026 | MIAX | Nonqualified Stock Option (Right to Buy) | Common Stock (2,499) | $12.00 | July 31, 2029 | 2,499 | Disposed |
| July 6, 2026 | MIAX | Nonqualified Stock Option (Right to Buy) | Common Stock (16,667) | $12.00 | May 17, 2028 | 16,667 | Disposed |
| July 6, 2026 | MIAX | Nonqualified Stock Option (Right to Buy) | Common Stock (834) | $12.00 | Oct. 12, 2027 | 834 | Disposed |
| June 16, 2026 | MIAX | Nonqualified Stock Option (Right to Buy) | Common Stock (34,808) | $40.24 | June 15, 2036 | 34,808 | Acquired |
| June 16, 2026 | MIAX | Incentive Stock Option (Right to Buy) | Common Stock (2,485) | $40.24 | June 15, 2036 | 2,485 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 24 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Aug. 13, 2025 | MIAX | Common Stock | 3,943 | Direct |
| Aug. 13, 2025 | MIAX | Series B Preferred Stock→ Common Stock (500) | 500 | Direct |
| Aug. 13, 2025 | MIAX | Nonvoting Common Stock→ Common Stock (43,442) | 43,442 | Direct |
| Aug. 13, 2025 | MIAX | Incentive Stock Option (Right to Buy)→ Series B Preferred Stock (21,999) | 21,999 | Direct |
| Aug. 13, 2025 | MIAX | Incentive Stock Option (Right to Buy)→ Nonvoting Common Stock (16,666) | 16,666 | Direct |
| Aug. 13, 2025 | MIAX | Incentive Stock Option (Right to Buy)→ Nonvoting Common Stock (8,333) | 8,333 | Direct |
| Aug. 13, 2025 | MIAX | Incentive Stock Option (Right to Buy)→ Nonvoting Common Stock (8,333) | 8,333 | Direct |
| Aug. 13, 2025 | MIAX | Incentive Stock Option (Right to Buy)→ Nonvoting Common Stock (6,570) | 6,570 | Direct |
| Aug. 13, 2025 | MIAX | Incentive Stock Option (Right to Buy)→ Nonvoting Common Stock (6,195) | 6,195 | Direct |
| Aug. 13, 2025 | MIAX | Incentive Stock Option (Right to Buy)→ Nonvoting Common Stock (3,878) | 3,878 | Direct |
| Aug. 13, 2025 | MIAX | Incentive Stock Option (Right to Buy)→ Common Stock (5,040) | 5,040 | Direct |
| Aug. 13, 2025 | MIAX | Incentive Stock Option (Right to Buy)→ Common Stock (4,980) | 4,980 | Direct |
| Aug. 13, 2025 | MIAX | Incentive Stock Option (Right to Buy)→ Common Stock (4,464) | 4,464 | Direct |
| Aug. 13, 2025 | MIAX | Nonqualified Stock Option (Right to Buy)→ Series B Preferred Stock (3,001) | 3,001 | Direct |
| Aug. 13, 2025 | MIAX | Nonqualified Stock Option (Right to Buy)→ Nonvoting Common Stock (20,834) | 20,834 | Direct |
| Aug. 13, 2025 | MIAX | Nonqualified Stock Option (Right to Buy)→ Nonvoting Common Stock (16,667) | 16,667 | Direct |
| Aug. 13, 2025 | MIAX | Nonqualified Stock Option (Right to Buy)→ Nonvoting Common Stock (16,667) | 16,667 | Direct |
| Aug. 13, 2025 | MIAX | Nonqualified Stock Option (Right to Buy)→ Nonvoting Common Stock (23,430) | 23,430 | Direct |
| Aug. 13, 2025 | MIAX | Nonqualified Stock Option (Right to Buy)→ Nonvoting Common Stock (26,304) | 26,304 | Direct |
| Aug. 13, 2025 | MIAX | Nonqualified Stock Option (Right to Buy)→ Nonvoting Common Stock (8,621) | 8,621 | Direct |
| Aug. 13, 2025 | MIAX | Nonqualified Stock Option (Right to Buy)→ Common Stock (57,500) | 57,500 | Direct |
| Aug. 13, 2025 | MIAX | Nonqualified Stock Option (Right to Buy)→ Common Stock (19,959) | 19,959 | Direct |
| Aug. 13, 2025 | MIAX | Nonqualified Stock Option (Right to Buy)→ Common Stock (15,020) | 15,020 | Direct |
| Aug. 13, 2025 | MIAX | Nonqualified Stock Option (Right to Buy)→ Common Stock (45,536) | 45,536 | Direct |