Harish Jayabalan
Insider
First SEC filing: Aug. 13, 2025 · Latest: June 18, 2026
Insider at
Insider transactions
0 buys (P)
4 sells (S)
Net: $-2,562,017
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 25, 2026 | MIAX | M | 8,333 | $12.00 | $99,996 | 86,398 Direct | +10.67% | Acquired | 186.0% (price as of 2026-10-05) |
| Sept. 25, 2026 | MIAX | M | 8,333 | · | · | 8,333 Direct | -50.00% | Disposed | (price as of 2026-10-05) |
| Aug. 4, 2026 | MIAX | M 10b5-1 | 14,168 | $12.00 | $170,016 | 92,233 Direct | +18.15% | Acquired | 186.0% (price as of 2026-10-05) |
| Aug. 4, 2026 | MIAX | M 10b5-1 | 5,832 | $15.22 | $88,763 | 98,065 Direct | +6.32% | Acquired | 125.5% (price as of 2026-10-05) |
| Aug. 4, 2026 | MIAX | S 10b5-1 | 20,000 | $45.90 | $918,000 | 78,065 Direct | -20.39% | Disposed | -25.2% (price as of 2026-10-05) |
| Aug. 4, 2026 | MIAX | M 10b5-1 | 14,168 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 4, 2026 | MIAX | M 10b5-1 | 5,832 | · | · | 17,598 Direct | -24.89% | Disposed | (price as of 2026-10-05) |
| July 6, 2026 | MIAX | M 10b5-1 | 2,499 | · | · | 14,168 Direct | -14.99% | Disposed | (price as of 2026-10-05) |
| July 6, 2026 | MIAX | M 10b5-1 | 16,667 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| July 6, 2026 | MIAX | M 10b5-1 | 834 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| July 6, 2026 | MIAX | S 10b5-1 | 20,000 | $42.12 | $842,400 | 78,065 Direct | -20.39% | Disposed | -18.5% (price as of 2026-10-05) |
| July 6, 2026 | MIAX | M 10b5-1 | 2,499 | $12.00 | $29,988 | 98,065 Direct | +2.61% | Acquired | 186.0% (price as of 2026-10-05) |
| July 6, 2026 | MIAX | M 10b5-1 | 16,667 | $12.00 | $200,004 | 95,566 Direct | +21.12% | Acquired | 186.0% (price as of 2026-10-05) |
| July 6, 2026 | MIAX | M 10b5-1 | 834 | $12.00 | $10,008 | 78,899 Direct | +1.07% | Acquired | 186.0% (price as of 2026-10-05) |
| June 16, 2026 | MIAX | A | 34,808 | · | · | 34,808 Direct | · | Acquired | (price as of 2026-10-05) |
| June 16, 2026 | MIAX | A | 2,485 | · | · | 2,485 Direct | · | Acquired | (price as of 2026-10-05) |
| June 16, 2026 | MIAX | A | 4,660 | · | · | 78,065 Direct | +6.35% | Acquired | (price as of 2026-10-05) |
| June 9, 2026 | MIAX | M 10b5-1 | 9,783 | $12.00 | $117,396 | 83,188 Direct | +13.33% | Acquired | 186.0% (price as of 2026-10-05) |
| June 9, 2026 | MIAX | S 10b5-1 | 9,783 | $40.04 | $391,711 | 73,405 Direct | -11.76% | Disposed | -14.3% (price as of 2026-10-05) |
| June 9, 2026 | MIAX | M 10b5-1 | 9,783 | · | · | 834 Direct | -92.14% | Disposed | (price as of 2026-10-05) |
| June 8, 2026 | MIAX | M 10b5-1 | 10,217 | $12.00 | $122,604 | 83,622 Direct | +13.92% | Acquired | 186.0% (price as of 2026-10-05) |
| June 8, 2026 | MIAX | S 10b5-1 | 10,217 | $40.12 | $409,906 | 73,405 Direct | -12.22% | Disposed | -14.5% (price as of 2026-10-05) |
| June 8, 2026 | MIAX | M 10b5-1 | 10,217 | · | · | 10,617 Direct | -49.04% | Disposed | (price as of 2026-10-05) |
| Sept. 9, 2025 | MIAX | M | 21,999 | $12.00 | $263,988 | 72,384 Direct | +43.66% | Acquired | 186.0% (price as of 2026-10-05) |
| Sept. 9, 2025 | MIAX | M | 3,001 | $12.00 | $36,012 | 75,385 Direct | +4.15% | Acquired | 186.0% (price as of 2026-10-05) |
| Sept. 9, 2025 | MIAX | F | 1,980 | $37.30 | $73,854 | 73,405 Direct | -2.63% | Disposed | -8.0% (price as of 2026-10-05) |
| Sept. 9, 2025 | MIAX | M | 21,999 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Sept. 9, 2025 | MIAX | M | 3,001 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 15, 2025 | MIAX | C | 500 | · | · | 50,385 Direct | +1.00% | Acquired | (price as of 2026-10-05) |
| Aug. 15, 2025 | MIAX | C | 43,442 | · | · | 50,385 Direct | +625.69% | Acquired | (price as of 2026-10-05) |
| Aug. 15, 2025 | MIAX | C | 500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 15, 2025 | MIAX | C | 43,442 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 15, 2025 | MIAX | M | 21,999 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 15, 2025 | MIAX | M | 21,999 | · | · | 21,999 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 15, 2025 | MIAX | M | 16,666 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 15, 2025 | MIAX | M | 16,666 | · | · | 16,666 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 15, 2025 | MIAX | M | 8,333 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 15, 2025 | MIAX | M | 8,333 | · | · | 8,333 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 15, 2025 | MIAX | M | 8,333 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 15, 2025 | MIAX | M | 8,333 | · | · | 8,333 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 15, 2025 | MIAX | M | 6,570 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 15, 2025 | MIAX | M | 6,570 | · | · | 6,570 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 15, 2025 | MIAX | M | 6,195 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 15, 2025 | MIAX | M | 6,195 | · | · | 6,195 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 15, 2025 | MIAX | M | 3,878 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 15, 2025 | MIAX | M | 3,878 | · | · | 3,878 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 15, 2025 | MIAX | M | 3,001 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 15, 2025 | MIAX | M | 3,001 | · | · | 3,001 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 15, 2025 | MIAX | M | 20,834 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 15, 2025 | MIAX | M | 20,834 | · | · | 20,834 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 15, 2025 | MIAX | M | 16,667 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 15, 2025 | MIAX | M | 16,667 | · | · | 16,667 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 15, 2025 | MIAX | M | 16,667 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 15, 2025 | MIAX | M | 16,667 | · | · | 16,667 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 15, 2025 | MIAX | M | 23,430 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 15, 2025 | MIAX | M | 23,430 | · | · | 23,430 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 15, 2025 | MIAX | M | 26,304 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 15, 2025 | MIAX | M | 26,304 | · | · | 26,304 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 15, 2025 | MIAX | M | 8,621 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 15, 2025 | MIAX | M | 8,621 | · | · | 8,621 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 13, 2025 | MIAX | P | 2,500 | $23.00 | $57,500 | 6,443 Direct | +63.40% | Acquired | 49.2% (price as of 2026-10-05) |
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 |
|---|---|---|---|---|---|---|---|
| Sept. 25, 2026 | MIAX | Incentive Stock Option (Right to Buy) | Common Stock | $12.00 | Oct. 12, 2027 | 8,333 | Disposed |
| Aug. 4, 2026 | MIAX | Nonqualified Stock Option (Right to Buy) | Common Stock | $12.00 | July 31, 2029 | 14,168 | Disposed |
| Aug. 4, 2026 | MIAX | Nonqualified Stock Option (Right to Buy) | Common Stock | $15.22 | Nov. 30, 2030 | 5,832 | Disposed |
| July 6, 2026 | MIAX | Nonqualified Stock Option (Right to Buy) | Common Stock | $12.00 | July 31, 2029 | 2,499 | Disposed |
| July 6, 2026 | MIAX | Nonqualified Stock Option (Right to Buy) | Common Stock | $12.00 | May 17, 2028 | 16,667 | Disposed |
| July 6, 2026 | MIAX | Nonqualified Stock Option (Right to Buy) | Common Stock | $12.00 | Oct. 12, 2027 | 834 | Disposed |
| June 16, 2026 | MIAX | Nonqualified Stock Option (Right to Buy) | Common Stock | $40.24 | June 15, 2036 | 34,808 | Acquired |
| June 16, 2026 | MIAX | Incentive Stock Option (Right to Buy) | Common Stock | $40.24 | June 15, 2036 | 2,485 | Acquired |
| June 9, 2026 | MIAX | Nonqualified Stock Option (Right to Buy) | Common Stock | $12.00 | Oct. 12, 2027 | 9,783 | Disposed |
| June 8, 2026 | MIAX | Nonqualified Stock Option (Right to Buy) | Common Stock | $12.00 | Oct. 12, 2027 | 10,217 | Disposed |
| Sept. 9, 2025 | MIAX | Incentive Stock Option (Right to Buy) | Common Stock | $12.00 | Sept. 17, 2025 | 21,999 | Disposed |
| Sept. 9, 2025 | MIAX | Nonqualified Stock Option (Right to Buy) | Common Stock | $12.00 | Sept. 17, 2025 | 3,001 | Disposed |
| Aug. 15, 2025 | MIAX | Series B Preferred Stock | Common Stock | · | · | 500 | Disposed |
| Aug. 15, 2025 | MIAX | Nonvoting Common Stock | Common Stock | · | · | 43,442 | Disposed |
| Aug. 15, 2025 | MIAX | Incentive Stock Option (Right to Buy) | Series B Preferred Stock | · | Sept. 17, 2025 | 21,999 | Disposed |
| Aug. 15, 2025 | MIAX | Incentive Stock Option (Right to Buy) | Common Stock | · | Sept. 17, 2025 | 21,999 | Acquired |
| Aug. 15, 2025 | MIAX | Incentive Stock Option (Right to Buy) | Nonvoting Common Stock | · | Oct. 12, 2027 | 16,666 | Disposed |
| Aug. 15, 2025 | MIAX | Incentive Stock Option (Right to Buy) | Common Stock | · | Oct. 12, 2027 | 16,666 | Acquired |
| Aug. 15, 2025 | MIAX | Incentive Stock Option (Right to Buy) | Nonvoting Common Stock | · | May 17, 2028 | 8,333 | Disposed |
| Aug. 15, 2025 | MIAX | Incentive Stock Option (Right to Buy) | Common Stock | · | May 17, 2028 | 8,333 | Acquired |
| Aug. 15, 2025 | MIAX | Incentive Stock Option (Right to Buy) | Nonvoting Common Stock | · | July 31, 2029 | 8,333 | Disposed |
| Aug. 15, 2025 | MIAX | Incentive Stock Option (Right to Buy) | Common Stock | · | July 31, 2029 | 8,333 | Acquired |
| Aug. 15, 2025 | MIAX | Incentive Stock Option (Right to Buy) | Nonvoting Common Stock | · | Nov. 30, 2030 | 6,570 | Disposed |
| Aug. 15, 2025 | MIAX | Incentive Stock Option (Right to Buy) | Common Stock | · | Nov. 30, 2030 | 6,570 | Acquired |
| Aug. 15, 2025 | MIAX | Incentive Stock Option (Right to Buy) | Nonvoting Common Stock | · | Sept. 9, 2031 | 6,195 | Disposed |
| Aug. 15, 2025 | MIAX | Incentive Stock Option (Right to Buy) | Common Stock | · | Sept. 9, 2031 | 6,195 | Acquired |
| Aug. 15, 2025 | MIAX | Incentive Stock Option (Right to Buy) | Nonvoting Common Stock | · | March 9, 2032 | 3,878 | Disposed |
| Aug. 15, 2025 | MIAX | Incentive Stock Option (Right to Buy) | Common Stock | · | March 9, 2031 | 3,878 | Acquired |
| Aug. 15, 2025 | MIAX | Nonqualified Stock Option (Right to Buy) | Series B Preferred Stock | · | Sept. 17, 2025 | 3,001 | Disposed |
| Aug. 15, 2025 | MIAX | Nonqualified Stock Option (Right to Buy) | Common Stock | · | Sept. 17, 2025 | 3,001 | Acquired |
| Aug. 15, 2025 | MIAX | Nonqualified Stock Option (Right to Buy) | Nonvoting Common Stock | · | Oct. 12, 2027 | 20,834 | Disposed |
| Aug. 15, 2025 | MIAX | Nonqualified Stock Option (Right to Buy) | Common Stock | · | Oct. 12, 2027 | 20,834 | Acquired |
| Aug. 15, 2025 | MIAX | Nonqualified Stock Option (Right to Buy) | Nonvoting Common Stock | · | May 17, 2028 | 16,667 | Disposed |
| Aug. 15, 2025 | MIAX | Nonqualified Stock Option (Right to Buy) | Common Stock | · | May 17, 2028 | 16,667 | Acquired |
| Aug. 15, 2025 | MIAX | Nonqualified Stock Option (Right to Buy) | Nonvoting Common Stock | · | July 31, 2029 | 16,667 | Disposed |
| Aug. 15, 2025 | MIAX | Nonqualified Stock Option (Right to Buy) | Common Stock | · | July 31, 2029 | 16,667 | Acquired |
| Aug. 15, 2025 | MIAX | Nonqualified Stock Option (Right to Buy) | Nonvoting Common Stock | · | Nov. 30, 2030 | 23,430 | Disposed |
| Aug. 15, 2025 | MIAX | Nonqualified Stock Option (Right to Buy) | Common Stock | · | Nov. 30, 2030 | 23,430 | Acquired |
| Aug. 15, 2025 | MIAX | Nonqualified Stock Option (Right to Buy) | Nonvoting Common Stock | · | Sept. 9, 2031 | 26,304 | Disposed |
| Aug. 15, 2025 | MIAX | Nonqualified Stock Option (Right to Buy) | Common Stock | · | Sept. 9, 2031 | 26,304 | Acquired |
| Aug. 15, 2025 | MIAX | Nonqualified Stock Option (Right to Buy) | Nonvoting Common Stock | · | March 9, 2032 | 8,621 | Disposed |
| Aug. 15, 2025 | MIAX | Nonqualified Stock Option (Right to Buy) | Common Stock | · | March 9, 2032 | 8,621 | 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 | 500 | Direct |
| Aug. 13, 2025 | MIAX | Nonvoting Common Stock | 43,442 | Direct |
| Aug. 13, 2025 | MIAX | Incentive Stock Option (Right to Buy) | 21,999 | Direct |
| Aug. 13, 2025 | MIAX | Incentive Stock Option (Right to Buy) | 16,666 | Direct |
| Aug. 13, 2025 | MIAX | Incentive Stock Option (Right to Buy) | 8,333 | Direct |
| Aug. 13, 2025 | MIAX | Incentive Stock Option (Right to Buy) | 8,333 | Direct |
| Aug. 13, 2025 | MIAX | Incentive Stock Option (Right to Buy) | 6,570 | Direct |
| Aug. 13, 2025 | MIAX | Incentive Stock Option (Right to Buy) | 6,195 | Direct |
| Aug. 13, 2025 | MIAX | Incentive Stock Option (Right to Buy) | 3,878 | Direct |
| Aug. 13, 2025 | MIAX | Incentive Stock Option (Right to Buy) | 5,040 | Direct |
| Aug. 13, 2025 | MIAX | Incentive Stock Option (Right to Buy) | 4,980 | Direct |
| Aug. 13, 2025 | MIAX | Incentive Stock Option (Right to Buy) | 4,464 | Direct |
| Aug. 13, 2025 | MIAX | Nonqualified Stock Option (Right to Buy) | 3,001 | Direct |
| Aug. 13, 2025 | MIAX | Nonqualified Stock Option (Right to Buy) | 20,834 | Direct |
| Aug. 13, 2025 | MIAX | Nonqualified Stock Option (Right to Buy) | 16,667 | Direct |
| Aug. 13, 2025 | MIAX | Nonqualified Stock Option (Right to Buy) | 16,667 | Direct |
| Aug. 13, 2025 | MIAX | Nonqualified Stock Option (Right to Buy) | 23,430 | Direct |
| Aug. 13, 2025 | MIAX | Nonqualified Stock Option (Right to Buy) | 26,304 | Direct |
| Aug. 13, 2025 | MIAX | Nonqualified Stock Option (Right to Buy) | 8,621 | Direct |
| Aug. 13, 2025 | MIAX | Nonqualified Stock Option (Right to Buy) | 57,500 | Direct |
| Aug. 13, 2025 | MIAX | Nonqualified Stock Option (Right to Buy) | 19,959 | Direct |
| Aug. 13, 2025 | MIAX | Nonqualified Stock Option (Right to Buy) | 15,020 | Direct |
| Aug. 13, 2025 | MIAX | Nonqualified Stock Option (Right to Buy) | 45,536 | Direct |