William John Sibold
First SEC filing: Sept. 11, 2024 · Latest: Sept. 11, 2024
Insider at
Insider transactions
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. 11, 2026 | MDGL | S 10b5-1 | 60 | $533.09 | $31,985 | 202,907 Direct | -0.03% | Disposed | -6.9% (price as of 2026-10-06) |
| Sept. 11, 2026 | MDGL | S 10b5-1 | 106 | $534.06 | $56,610 | 202,801 Direct | -0.05% | Disposed | -7.0% (price as of 2026-10-06) |
| Sept. 11, 2026 | MDGL | S 10b5-1 | 218 | $535.94 | $116,835 | 202,583 Direct | -0.11% | Disposed | -7.4% (price as of 2026-10-06) |
| Sept. 11, 2026 | MDGL | S 10b5-1 | 160 | $537.62 | $86,019 | 202,423 Direct | -0.08% | Disposed | -7.7% (price as of 2026-10-06) |
| Sept. 11, 2026 | MDGL | S 10b5-1 | 687 | $540.59 | $371,385 | 201,736 Direct | -0.34% | Disposed | -8.2% (price as of 2026-10-06) |
| Sept. 11, 2026 | MDGL | S 10b5-1 | 368 | $541.64 | $199,324 | 201,368 Direct | -0.18% | Disposed | -8.3% (price as of 2026-10-06) |
| Sept. 11, 2026 | MDGL | S 10b5-1 | 1,202 | $542.60 | $652,205 | 200,166 Direct | -0.60% | Disposed | -8.5% (price as of 2026-10-06) |
| Sept. 11, 2026 | MDGL | S 10b5-1 | 1,539 | $544.02 | $837,247 | 198,627 Direct | -0.77% | Disposed | -8.7% (price as of 2026-10-06) |
| Sept. 11, 2026 | MDGL | S 10b5-1 | 761 | $544.83 | $414,616 | 197,866 Direct | -0.38% | Disposed | -8.9% (price as of 2026-10-06) |
| Sept. 11, 2026 | MDGL | S 10b5-1 | 120 | $546.38 | $65,566 | 197,746 Direct | -0.06% | Disposed | -9.1% (price as of 2026-10-06) |
| Sept. 9, 2026 | MDGL | S | 131 | $527.88 | $69,152 | 209,198 Direct | -0.06% | Disposed | -6.0% (price as of 2026-10-06) |
| Sept. 9, 2026 | MDGL | S | 347 | $529.27 | $183,657 | 208,851 Direct | -0.17% | Disposed | -6.2% (price as of 2026-10-06) |
| Sept. 9, 2026 | MDGL | S | 522 | $530.23 | $276,780 | 208,329 Direct | -0.25% | Disposed | -6.4% (price as of 2026-10-06) |
| Sept. 9, 2026 | MDGL | S | 368 | $531.99 | $195,772 | 207,961 Direct | -0.18% | Disposed | -6.7% (price as of 2026-10-06) |
| Sept. 9, 2026 | MDGL | S | 512 | $533.09 | $272,942 | 207,449 Direct | -0.25% | Disposed | -6.9% (price as of 2026-10-06) |
| Sept. 9, 2026 | MDGL | S | 396 | $534.20 | $211,543 | 207,053 Direct | -0.19% | Disposed | -7.1% (price as of 2026-10-06) |
| Sept. 9, 2026 | MDGL | S | 644 | $535.27 | $344,714 | 206,409 Direct | -0.31% | Disposed | -7.3% (price as of 2026-10-06) |
| Sept. 9, 2026 | MDGL | S | 1,040 | $536.11 | $557,554 | 205,369 Direct | -0.50% | Disposed | -7.4% (price as of 2026-10-06) |
| Sept. 9, 2026 | MDGL | S | 640 | $537.17 | $343,789 | 204,729 Direct | -0.31% | Disposed | -7.6% (price as of 2026-10-06) |
| Sept. 9, 2026 | MDGL | S | 520 | $538.30 | $279,916 | 204,209 Direct | -0.25% | Disposed | -7.8% (price as of 2026-10-06) |
| Sept. 9, 2026 | MDGL | S | 215 | $539.03 | $115,891 | 203,994 Direct | -0.11% | Disposed | -7.9% (price as of 2026-10-06) |
| Sept. 9, 2026 | MDGL | S | 505 | $540.19 | $272,796 | 203,489 Direct | -0.25% | Disposed | -8.1% (price as of 2026-10-06) |
| Sept. 9, 2026 | MDGL | S | 362 | $541.65 | $196,077 | 203,127 Direct | -0.18% | Disposed | -8.3% (price as of 2026-10-06) |
| Sept. 9, 2026 | MDGL | S | 160 | $542.55 | $86,808 | 202,967 Direct | -0.08% | Disposed | -8.5% (price as of 2026-10-06) |
| July 20, 2026 | MDGL | S | 280 | $555.05 | $155,414 | 209,329 Direct | -0.13% | Disposed | -10.6% (price as of 2026-10-06) |
| July 20, 2026 | MDGL | S | 1 | $550.72 | $551 | 209,609 Direct | 0.00% | Disposed | -9.9% (price as of 2026-10-06) |
| July 20, 2026 | MDGL | S | 153 | $550.01 | $84,152 | 209,610 Direct | -0.07% | Disposed | -9.7% (price as of 2026-10-06) |
| July 20, 2026 | MDGL | S | 47 | $548.87 | $25,797 | 209,763 Direct | -0.02% | Disposed | -9.6% (price as of 2026-10-06) |
| July 20, 2026 | MDGL | S | 680 | $547.70 | $372,436 | 209,810 Direct | -0.32% | Disposed | -9.4% (price as of 2026-10-06) |
| July 20, 2026 | MDGL | S | 269 | $547.08 | $147,165 | 210,490 Direct | -0.13% | Disposed | -9.3% (price as of 2026-10-06) |
| July 20, 2026 | MDGL | S | 275 | $545.71 | $150,070 | 210,759 Direct | -0.13% | Disposed | -9.0% (price as of 2026-10-06) |
| July 20, 2026 | MDGL | S | 545 | $544.71 | $296,867 | 211,034 Direct | -0.26% | Disposed | -8.9% (price as of 2026-10-06) |
| July 20, 2026 | MDGL | S | 110 | $543.79 | $59,817 | 211,579 Direct | -0.05% | Disposed | -8.7% (price as of 2026-10-06) |
| July 20, 2026 | MDGL | S | 140 | $542.75 | $75,985 | 211,689 Direct | -0.07% | Disposed | -8.5% (price as of 2026-10-06) |
| July 17, 2026 | MDGL | M | 50,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| July 17, 2026 | MDGL | M | 50,000 | · | · | 211,829 Direct | +30.90% | Acquired | (price as of 2026-10-06) |
| March 6, 2026 | MDGL | S | 1,663 | $431.94 | $718,316 | 161,829 Direct | -1.02% | Disposed | 14.9% (price as of 2026-10-06) |
| March 4, 2026 | MDGL | A | 14,995 | · | · | 163,492 Direct | +10.10% | Acquired | (price as of 2026-10-06) |
| March 4, 2026 | MDGL | A | 18,743 | · | · | 18,743 Direct | · | Acquired | (price as of 2026-10-06) |
| Jan. 26, 2026 | MDGL | S | 1,577 | $492.42 | $776,546 | 148,497 Direct | -1.05% | Disposed | 0.8% (price as of 2026-10-06) |
| Dec. 4, 2025 | MDGL | S | 2,400 | $575.34 | $1,380,816 | 150,074 Direct | -1.57% | Disposed | -13.7% (price as of 2026-10-06) |
| Dec. 3, 2025 | MDGL | M | 50,000 | · | · | 152,474 Direct | +48.79% | Acquired | (price as of 2026-10-06) |
| Dec. 3, 2025 | MDGL | M | 50,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Sept. 9, 2025 | MDGL | S | 7,279 | $445.63 | $3,243,741 | 102,474 Direct | -6.63% | Disposed | 11.4% (price as of 2026-10-06) |
| Aug. 21, 2025 | MDGL | S 10b5-1 | 6,485 | $400.03 | $2,594,195 | 110,884 Direct | -5.53% | Disposed | 24.1% (price as of 2026-10-06) |
| Aug. 21, 2025 | MDGL | S 10b5-1 | 1,131 | $401.00 | $453,531 | 109,753 Direct | -1.02% | Disposed | 23.8% (price as of 2026-10-06) |
| March 5, 2025 | MDGL | A | 13,066 | · | · | 117,369 Direct | +12.53% | Acquired | (price as of 2026-10-06) |
| March 5, 2025 | MDGL | A | 22,009 | · | · | 22,009 Direct | · | Acquired | (price as of 2026-10-06) |
| Feb. 27, 2025 | MDGL | M | 50,000 | · | · | 104,303 Direct | +92.08% | Acquired | (price as of 2026-10-06) |
| Feb. 27, 2025 | MDGL | M | 50,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Jan. 24, 2025 | MDGL | S | 1,584 | $335.24 | $531,020 | 54,303 Direct | -2.83% | Disposed | 48.1% (price as of 2026-10-06) |
| Sept. 9, 2024 | MDGL | S | 6,363 | $243.83 | $1,551,490 | 55,887 Direct | -10.22% | Disposed | 103.6% (price as of 2026-10-06) |
| Jan. 23, 2024 | MDGL | A | 12,250 | · | · | 12,250 Direct | · | Acquired | (price as of 2026-10-06) |
| Jan. 23, 2024 | MDGL | A | 18,459 | · | · | 18,459 Direct | · | Acquired | (price as of 2026-10-06) |
| Jan. 23, 2024 | MDGL | A | 12,250 | · | · | 62,250 Direct | +24.50% | Acquired | (price as of 2026-10-06) |
| Sept. 11, 2023 | MDGL | A | 50,000 | · | · | 50,000 Direct | · | Acquired | (price as of 2026-10-06) |
| Sept. 11, 2023 | MDGL | A | 50,000 | · | · | 50,000 Direct | · | Acquired | (price as of 2026-10-06) |
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 |
|---|---|---|---|---|---|---|---|
| July 17, 2026 | MDGL | Performance Restricted Stock Units | Common Stock | · | · | 50,000 | Disposed |
| March 4, 2026 | MDGL | Stock Option (Right to Buy) | Common Stock | $434.80 | March 4, 2036 | 18,743 | Acquired |
| Dec. 3, 2025 | MDGL | Performance Restricted Stock Units | Common Stock | · | · | 50,000 | Disposed |
| March 5, 2025 | MDGL | Stock Option (Right to Buy) | Common Stock | $347.28 | March 5, 2035 | 22,009 | Acquired |
| Feb. 27, 2025 | MDGL | Performance Restricted Stock Units | Common Stock | · | · | 50,000 | Disposed |
| Jan. 23, 2024 | MDGL | Market Stock Unit | Common Stock | · | · | 12,250 | Acquired |
| Jan. 23, 2024 | MDGL | Stock Option (Right to Buy) | Common Stock | $229.00 | Jan. 23, 2031 | 18,459 | Acquired |
| Sept. 11, 2023 | MDGL | Performance Restricted Stock Units | Common Stock | · | · | 50,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2023 | $275,400 | $520,000 | $31,205,000 | · | $268,000 | · | · | $32,268,400 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.