Christopher Peetz
Insider
First SEC filing: June 2, 2026 · Latest: June 2, 2026
Insider at
Insider transactions
0 buys (P)
19 sells (S)
Net: $-16,289,473
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. 1, 2026 | MIRM | M | 30,000 | $2.94 | $88,200 | 224,440 Direct | +15.43% | Acquired | 2720.7% (price as of 2026-10-02) |
| Sept. 1, 2026 | MIRM | S 10b5-1 | 8,312 | $98.08 | $815,241 | 216,128 Direct | -3.70% | Disposed | -15.4% (price as of 2026-10-02) |
| Sept. 1, 2026 | MIRM | S 10b5-1 | 21,688 | $98.91 | $2,145,160 | 194,440 Direct | -10.03% | Disposed | -16.2% (price as of 2026-10-02) |
| Sept. 1, 2026 | MIRM | M | 30,000 | · | · | 58,487 Direct | -33.90% | Disposed | (price as of 2026-10-02) |
| Aug. 10, 2026 | MIRM | M | 20,000 | $2.94 | $58,800 | 214,309 Direct | +10.29% | Acquired | 2720.7% (price as of 2026-10-02) |
| Aug. 10, 2026 | MIRM | S 10b5-1 | 11,683 | $98.51 | $1,150,892 | 202,626 Direct | -5.45% | Disposed | -15.8% (price as of 2026-10-02) |
| Aug. 10, 2026 | MIRM | S 10b5-1 | 6,017 | $99.25 | $597,187 | 196,609 Direct | -2.97% | Disposed | -16.4% (price as of 2026-10-02) |
| Aug. 10, 2026 | MIRM | S 10b5-1 | 2,300 | $100.14 | $230,322 | 194,309 Direct | -1.17% | Disposed | -17.2% (price as of 2026-10-02) |
| Aug. 10, 2026 | MIRM | M | 20,000 | · | · | 88,487 Direct | -18.44% | Disposed | (price as of 2026-10-02) |
| July 15, 2026 | ARQT | A | 13,010 | · | · | 13,010 Direct | · | Acquired | (price as of 2026-10-02) |
| July 15, 2026 | ARQT | A | 21,486 | · | · | 21,486 Direct | · | Acquired | (price as of 2026-10-02) |
| July 15, 2026 | ARQT | A | 4,315 | · | · | 4,315 Direct | · | Acquired | (price as of 2026-10-02) |
| July 6, 2026 | MIRM | M | 20,000 | · | · | 108,487 Direct | -15.57% | Disposed | (price as of 2026-10-02) |
| July 6, 2026 | MIRM | S 10b5-1 | 1,710 | $124.79 | $213,391 | 194,309 Direct | -0.87% | Disposed | -33.5% (price as of 2026-10-02) |
| July 6, 2026 | MIRM | S 10b5-1 | 1,975 | $123.74 | $244,386 | 196,019 Direct | -1.00% | Disposed | -33.0% (price as of 2026-10-02) |
| July 6, 2026 | MIRM | S 10b5-1 | 4,181 | $122.34 | $511,504 | 197,994 Direct | -2.07% | Disposed | -32.2% (price as of 2026-10-02) |
| July 6, 2026 | MIRM | S 10b5-1 | 12,134 | $121.65 | $1,476,101 | 202,175 Direct | -5.66% | Disposed | -31.8% (price as of 2026-10-02) |
| July 6, 2026 | MIRM | M | 20,000 | $2.94 | $58,800 | 214,309 Direct | +10.29% | Acquired | 2720.7% (price as of 2026-10-02) |
| June 1, 2026 | MIRM | M | 30,000 | $2.94 | $88,200 | 224,309 Direct | +15.44% | Acquired | 2720.7% (price as of 2026-10-02) |
| June 1, 2026 | MIRM | S 10b5-1 | 2,602 | $94.64 | $246,253 | 221,707 Direct | -1.16% | Disposed | -12.4% (price as of 2026-10-02) |
| June 1, 2026 | MIRM | S 10b5-1 | 16,595 | $95.34 | $1,582,167 | 205,112 Direct | -7.49% | Disposed | -13.0% (price as of 2026-10-02) |
| June 1, 2026 | MIRM | S 10b5-1 | 6,926 | $96.15 | $665,935 | 198,186 Direct | -3.38% | Disposed | -13.7% (price as of 2026-10-02) |
| June 1, 2026 | MIRM | S 10b5-1 | 1,973 | $97.56 | $192,486 | 196,213 Direct | -1.00% | Disposed | -15.0% (price as of 2026-10-02) |
| June 1, 2026 | MIRM | S 10b5-1 | 1,021 | $98.20 | $100,262 | 195,192 Direct | -0.52% | Disposed | -15.5% (price as of 2026-10-02) |
| June 1, 2026 | MIRM | S 10b5-1 | 883 | $99.66 | $88,000 | 194,309 Direct | -0.45% | Disposed | -16.8% (price as of 2026-10-02) |
| June 1, 2026 | MIRM | M | 30,000 | · | · | 128,487 Direct | -18.93% | Disposed | (price as of 2026-10-02) |
| March 16, 2026 | MIRM | S | 40,985 | $91.98 | $3,769,800 | 194,309 Direct | -17.42% | Disposed | -9.8% (price as of 2026-10-02) |
| March 15, 2026 | MIRM | M | 25,000 | · | · | 185,294 Direct | +15.60% | Acquired | (price as of 2026-10-02) |
| March 15, 2026 | MIRM | M | 50,000 | · | · | 235,294 Direct | +26.98% | Acquired | (price as of 2026-10-02) |
| March 15, 2026 | MIRM | M | 25,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 15, 2026 | MIRM | M | 50,000 | · | · | 25,000 Direct | -66.67% | Disposed | (price as of 2026-10-02) |
| Feb. 2, 2026 | MIRM | S | 9,108 | $103.30 | $940,856 | 160,294 Direct | -5.38% | Disposed | -19.7% (price as of 2026-10-02) |
| Jan. 28, 2026 | MIRM | A | 67,000 | · | · | 67,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 28, 2026 | MIRM | A | 43,500 | · | · | 43,500 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 28, 2026 | MIRM | A | 75,000 | · | · | 75,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 26, 2026 | MIRM | S | 6,831 | $96.19 | $657,074 | 169,402 Direct | -3.88% | Disposed | -13.8% (price as of 2026-10-02) |
| Jan. 23, 2026 | MIRM | M | 12,500 | · | · | 176,233 Direct | +7.63% | Acquired | (price as of 2026-10-02) |
| Jan. 23, 2026 | MIRM | M | 12,500 | · | · | 12,500 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| Jan. 22, 2026 | MIRM | S | 7,098 | $93.33 | $662,456 | 163,733 Direct | -4.15% | Disposed | -11.1% (price as of 2026-10-02) |
| Jan. 21, 2026 | MIRM | M | 12,797 | · | · | 170,831 Direct | +8.10% | Acquired | (price as of 2026-10-02) |
| Jan. 21, 2026 | MIRM | M | 12,797 | · | · | 25,593 Direct | -33.33% | Disposed | (price as of 2026-10-02) |
| Dec. 31, 2025 | MIRM | G | 21,070 | · | · | 187,500 Indirect | -10.10% | Disposed | (price as of 2026-10-02) |
| Nov. 18, 2025 | MIRM | M | 19,133 | $19.24 | $368,119 | 158,034 Direct | +13.77% | Acquired | 331.0% (price as of 2026-10-02) |
| Nov. 18, 2025 | MIRM | M | 19,133 | · | · | 150,867 Direct | -11.25% | Disposed | (price as of 2026-10-02) |
| Aug. 11, 2025 | MIRM | M | 40,000 | $2.94 | $117,600 | 178,641 Direct | +28.85% | Acquired | 2720.7% (price as of 2026-10-02) |
| Aug. 11, 2025 | MIRM | S 10b5-1 | 40,000 | $62.00 | $2,480,000 | 138,641 Direct | -22.39% | Disposed | 33.8% (price as of 2026-10-02) |
| Aug. 11, 2025 | MIRM | M | 40,000 | · | · | 158,487 Direct | -20.15% | Disposed | (price as of 2026-10-02) |
| Aug. 7, 2025 | MIRM | M | 40,000 | $2.94 | $117,600 | 178,641 Direct | +28.85% | Acquired | 2720.7% (price as of 2026-10-02) |
| Aug. 7, 2025 | MIRM | S 10b5-1 | 40,000 | $55.25 | $2,210,000 | 138,641 Direct | -22.39% | Disposed | 50.1% (price as of 2026-10-02) |
| Aug. 7, 2025 | MIRM | M | 40,000 | · | · | 198,487 Direct | -16.77% | Disposed | (price as of 2026-10-02) |
| March 17, 2025 | MIRM | S | 27,279 | $44.21 | $1,206,005 | 138,641 Direct | -16.44% | Disposed | 87.6% (price as of 2026-10-02) |
| March 15, 2025 | MIRM | M | 50,000 | · | · | 165,920 Direct | +43.13% | Acquired | (price as of 2026-10-02) |
| March 15, 2025 | MIRM | M | 50,000 | · | · | 25,000 Direct | -66.67% | Disposed | (price as of 2026-10-02) |
| March 3, 2025 | MIRM | M | 40,000 | $2.94 | $117,600 | 155,920 Direct | +34.51% | Acquired | 2720.7% (price as of 2026-10-02) |
| March 3, 2025 | MIRM | S 10b5-1 | 19,392 | $46.61 | $903,861 | 136,528 Direct | -12.44% | Disposed | 77.9% (price as of 2026-10-02) |
| March 3, 2025 | MIRM | S 10b5-1 | 20,608 | $47.19 | $972,492 | 115,920 Direct | -15.09% | Disposed | 75.7% (price as of 2026-10-02) |
| March 3, 2025 | MIRM | M | 40,000 | · | · | 238,487 Direct | -14.36% | Disposed | (price as of 2026-10-02) |
| Feb. 3, 2025 | MIRM | S | 9,102 | $48.22 | $438,898 | 115,920 Direct | -7.28% | Disposed | 72.0% (price as of 2026-10-02) |
| Jan. 24, 2025 | MIRM | S | 6,837 | $47.92 | $327,629 | 125,022 Direct | -5.19% | Disposed | 73.1% (price as of 2026-10-02) |
| Jan. 23, 2025 | MIRM | M | 12,500 | · | · | 131,859 Direct | +10.47% | Acquired | (price as of 2026-10-02) |
| Jan. 23, 2025 | MIRM | M | 12,500 | · | · | 25,000 Direct | -33.33% | Disposed | (price as of 2026-10-02) |
| Jan. 21, 2025 | MIRM | A | 153,550 | · | · | 153,550 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 21, 2025 | MIRM | A | 38,390 | · | · | 38,390 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 21, 2025 | MIRM | A | 75,000 | · | · | 75,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 7, 2025 | MIRM | S | 7,489 | $42.82 | $320,679 | 119,359 Direct | -5.90% | Disposed | 93.7% (price as of 2026-10-02) |
| Nov. 8, 2024 | MIRM | A | 65 | $21.05 | $1,368 | 126,848 Direct | +0.05% | Acquired | 294.0% (price as of 2026-10-02) |
| July 23, 2024 | MIRM | M | 34,013 | $2.94 | $99,998 | 126,783 Direct | +36.66% | Acquired | 2720.7% (price as of 2026-10-02) |
| July 23, 2024 | MIRM | M | 34,013 | · | · | 278,487 Direct | -10.88% | Disposed | (price as of 2026-10-02) |
| May 10, 2024 | MIRM | A | 817 | $21.05 | $17,198 | 92,770 Direct | +0.89% | Acquired | 294.0% (price as of 2026-10-02) |
| Feb. 2, 2024 | MIRM | S | 6,013 | $26.19 | $157,480 | 104,112 Direct | -5.46% | Disposed | 216.6% (price as of 2026-10-02) |
| Jan. 23, 2024 | MIRM | A | 150,000 | · | · | 150,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 23, 2024 | MIRM | A | 37,500 | · | · | 37,500 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 8, 2024 | MIRM | S | 5,209 | $28.03 | $146,008 | 110,125 Direct | -4.52% | Disposed | 195.9% (price as of 2026-10-02) |
| July 3, 2023 | MIRM | S | 5,498 | $25.65 | $141,024 | 115,334 Direct | -4.55% | Disposed | 223.3% (price as of 2026-10-02) |
| May 10, 2023 | MIRM | A | 1,256 | $16.92 | $21,252 | 120,832 Direct | +1.05% | Acquired | 390.1% (price as of 2026-10-02) |
| Jan. 31, 2023 | MIRM | A | 200,000 | · | · | 200,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 31, 2023 | MIRM | A | 50,000 | · | · | 119,576 Direct | +71.86% | Acquired | (price as of 2026-10-02) |
| Jan. 9, 2023 | MIRM | S | 5,159 | $20.62 | $106,379 | 91,953 Direct | -5.31% | Disposed | 302.2% (price as of 2026-10-02) |
| Nov. 10, 2022 | MIRM | A | 49 | $17.05 | $835 | 69,576 Direct | +0.07% | Acquired | 386.4% (price as of 2026-10-02) |
| May 10, 2022 | MIRM | A | 1,500 | $13.57 | $20,355 | 69,527 Direct | +2.21% | Acquired | 511.1% (price as of 2026-10-02) |
| Jan. 6, 2022 | MIRM | A | 240,000 | · | · | 240,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 6, 2022 | MIRM | A | 40,000 | · | · | 68,027 Direct | +142.72% | Acquired | (price as of 2026-10-02) |
| Nov. 24, 2021 | MIRM | P | 7,000 | $14.40 | $100,800 | 28,027 Direct | +33.29% | Acquired | 475.9% (price as of 2026-10-02) |
| Oct. 1, 2021 | MIRM | S | 3,672 | $19.26 | $70,723 | 21,027 Direct | -14.87% | Disposed | 330.6% (price as of 2026-10-02) |
| Sept. 29, 2021 | MIRM | A | 21,875 | · | · | 24,699 Direct | +774.61% | Acquired | (price as of 2026-10-02) |
| May 10, 2021 | MIRM | A | 1,453 | $14.62 | $21,243 | 2,824 Direct | +105.98% | Acquired | 467.2% (price as of 2026-10-02) |
| Jan. 7, 2021 | MIRM | A | 175,000 | · | · | 175,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 23, 2020 | MIRM | P | 2,000 | $18.60 | $37,200 | 201,570 Indirect | +1.00% | Acquired | 345.9% (price as of 2026-10-02) |
| Dec. 23, 2020 | MIRM | P | 3,000 | $18.76 | $56,280 | 199,570 Indirect | +1.53% | Acquired | 342.1% (price as of 2026-10-02) |
| Nov. 10, 2020 | MIRM | A | 1,371 | $15.27 | $20,935 | 1,371 Direct | · | Acquired | 443.1% (price as of 2026-10-02) |
| Jan. 10, 2020 | MIRM | A | 170,000 | · | · | 170,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 9, 2019 | MIRM | P | 2,320 | $11.35 | $26,332 | 196,570 Indirect | +1.19% | Acquired | 630.7% (price as of 2026-10-02) |
| Sept. 9, 2019 | MIRM | P | 2,000 | $10.90 | $21,800 | 194,250 Indirect | +1.04% | Acquired | 660.8% (price as of 2026-10-02) |
| Sept. 6, 2019 | MIRM | P | 4,750 | $10.91 | $51,822 | 192,250 Indirect | +2.53% | Acquired | 660.1% (price as of 2026-10-02) |
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. 1, 2026 | MIRM | Employee Stock Option (right to buy) | Common Stock | $2.94 | March 11, 2029 | 30,000 | Disposed |
| Aug. 10, 2026 | MIRM | Employee Stock Option (right to buy) | Common Stock | $2.94 | March 11, 2029 | 20,000 | Disposed |
| July 15, 2026 | ARQT | Stock Option (right to buy) | Common Stock | $27.78 | July 15, 2036 | 13,010 | Acquired |
| July 15, 2026 | ARQT | Stock Option (right to buy) | Common Stock | $27.78 | July 15, 2036 | 21,486 | Acquired |
| July 6, 2026 | MIRM | Employee Stock Option (right to buy) | Common Stock | $2.94 | March 11, 2029 | 20,000 | Disposed |
| June 1, 2026 | MIRM | Employee Stock Option (right to buy) | Common Stock | $2.94 | March 11, 2029 | 30,000 | Disposed |
| March 15, 2026 | MIRM | Performance Restricted Stock Units | Common Stock | · | · | 25,000 | Disposed |
| March 15, 2026 | MIRM | Performance Restricted Stock Units | Common Stock | · | · | 50,000 | Disposed |
| Jan. 28, 2026 | MIRM | Stock Option (right to buy) | Common Stock | $100.85 | Jan. 27, 2036 | 67,000 | Acquired |
| Jan. 28, 2026 | MIRM | Restricted Stock Units | Common Stock | · | · | 43,500 | Acquired |
| Jan. 28, 2026 | MIRM | Performance Restricted Stock Units | Common Stock | · | · | 75,000 | Acquired |
| Jan. 23, 2026 | MIRM | Restricted Stock Units | Common Stock | · | · | 12,500 | Disposed |
| Jan. 21, 2026 | MIRM | Restricted Stock Units | Common Stock | · | · | 12,797 | Disposed |
| Nov. 18, 2025 | MIRM | Employee Stock Option (right to buy) | Common Stock | $19.24 | Jan. 9, 2030 | 19,133 | Disposed |
| Aug. 11, 2025 | MIRM | Employee Stock Option (right to buy) | Common Stock | $2.94 | March 11, 2029 | 40,000 | Disposed |
| Aug. 7, 2025 | MIRM | Employee Stock Option (right to buy) | Common Stock | $2.94 | March 11, 2029 | 40,000 | Disposed |
| March 15, 2025 | MIRM | Performance Restricted Stock Units | Common Stock | · | · | 50,000 | Disposed |
| March 3, 2025 | MIRM | Employee Stock Option (right to buy) | Common Stock | $2.94 | March 11, 2029 | 40,000 | Disposed |
| Jan. 23, 2025 | MIRM | Restricted Stock Units | Common Stock | · | · | 12,500 | Disposed |
| Jan. 21, 2025 | MIRM | Stock Option (right to buy) | Common Stock | $47.98 | Jan. 20, 2035 | 153,550 | Acquired |
| Jan. 21, 2025 | MIRM | Restricted Stock Units | Common Stock | · | · | 38,390 | Acquired |
| Jan. 21, 2025 | MIRM | Performance Restricted Stock Units | Common Stock | · | · | 75,000 | Acquired |
| July 23, 2024 | MIRM | Stock Option (right to buy) | Common Stock | $2.94 | March 11, 2029 | 34,013 | Disposed |
| Jan. 23, 2024 | MIRM | Stock Option (right to buy) | Common Stock | $26.49 | Jan. 22, 2034 | 150,000 | Acquired |
| Jan. 23, 2024 | MIRM | Restricted Stock Units | Common Stock | · | · | 37,500 | Acquired |
| Jan. 31, 2023 | MIRM | Stock Option (right to buy) | Common Stock | $23.48 | Jan. 30, 2033 | 200,000 | Acquired |
| Jan. 6, 2022 | MIRM | Stock Option (right to buy) | Common Stock | $15.87 | Jan. 5, 2032 | 240,000 | Acquired |
| Jan. 7, 2021 | MIRM | Stock Option (right to buy) | Common Stock | $19.19 | Jan. 6, 2031 | 175,000 | Acquired |
| Jan. 10, 2020 | MIRM | Stock Option (right to buy) | Common Stock | $19.24 | Jan. 9, 2030 | 170,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 4 holdings
Securities held when first becoming an insider, per SEC Form 3.
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 | $660,000 | · | · | · | $633,600 | · | $13,200 | $6,451,720 |
| 2022 | $624,000 | · | $634,800 | $2,682,384 | $449,280 | · | $12,200 | $4,402,664 |
| 2019 | $457,614 | $286,100 | · | $5,491,471 | · | · | · | $6,235,185 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.