Michael H Carrel
First SEC filing: Nov. 5, 2012 · Latest: Nov. 5, 2012
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 |
|---|---|---|---|---|---|---|---|---|---|
| July 30, 2026 | ATRC | G | 4,000 | · | · | 774,434 Direct | -0.51% | Disposed | (price as of 2026-10-06) |
| July 30, 2026 | ATRC | G | 700 | · | · | 778,434 Direct | -0.09% | Disposed | (price as of 2026-10-06) |
| July 20, 2026 | INSP | A | 5,631 | · | · | 5,631 Direct | · | Acquired | (price as of 2026-10-06) |
| June 30, 2026 | ATRC | A | 636 | $23.78 | $15,124 | 779,134 Direct | +0.08% | Acquired | 129.9% (price as of 2026-10-06) |
| March 6, 2026 | ATRC | G | 5,000 | · | · | 779,498 Direct | -0.64% | Disposed | (price as of 2026-10-06) |
| March 6, 2026 | ATRC | G | 1,000 | · | · | 778,498 Direct | -0.13% | Disposed | (price as of 2026-10-06) |
| March 1, 2026 | ATRC | A | 68,618 | · | · | 755,995 Direct | +9.98% | Acquired | (price as of 2026-10-06) |
| March 1, 2026 | ATRC | A | 101,280 | · | · | 857,275 Direct | +13.40% | Acquired | (price as of 2026-10-06) |
| March 1, 2026 | ATRC | F | 72,777 | $31.26 | $2,275,009 | 784,498 Direct | -8.49% | Disposed | 74.9% (price as of 2026-10-06) |
| Dec. 10, 2025 | ATRC | G | 4,000 | · | · | 687,377 Direct | -0.58% | Disposed | (price as of 2026-10-06) |
| Nov. 13, 2025 | ATRC | G | 6,000 | · | · | 691,377 Direct | -0.86% | Disposed | (price as of 2026-10-06) |
| Aug. 8, 2025 | ATRC | G | 10,000 | · | · | 697,377 Direct | -1.41% | Disposed | (price as of 2026-10-06) |
| June 30, 2025 | ATRC | A | 822 | $25.84 | $21,240 | 707,377 Direct | +0.12% | Acquired | 111.6% (price as of 2026-10-06) |
| March 10, 2025 | ATRC | G | 4,000 | · | · | 706,555 Direct | -0.56% | Disposed | (price as of 2026-10-06) |
| March 1, 2025 | ATRC | A | 50,335 | · | · | 703,574 Direct | +7.71% | Acquired | (price as of 2026-10-06) |
| March 1, 2025 | ATRC | A | 50,907 | · | · | 754,481 Direct | +7.24% | Acquired | (price as of 2026-10-06) |
| March 1, 2025 | ATRC | F | 43,926 | $38.74 | $1,701,693 | 710,555 Direct | -5.82% | Disposed | 41.1% (price as of 2026-10-06) |
| Aug. 14, 2024 | ATRC | G | 3,000 | · | · | 653,239 Direct | -0.46% | Disposed | (price as of 2026-10-06) |
| June 28, 2024 | ATRC | A | 707 | $19.35 | $13,680 | 656,239 Direct | +0.11% | Acquired | 182.6% (price as of 2026-10-06) |
| March 14, 2024 | ATRC | G | 2,000 | · | · | 655,532 Direct | -0.30% | Disposed | (price as of 2026-10-06) |
| March 1, 2024 | ATRC | A | 50,854 | · | · | 636,214 Direct | +8.69% | Acquired | (price as of 2026-10-06) |
| March 1, 2024 | ATRC | A | 69,142 | · | · | 705,356 Direct | +10.87% | Acquired | (price as of 2026-10-06) |
| March 1, 2024 | ATRC | F | 47,824 | $36.28 | $1,735,055 | 657,532 Direct | -6.78% | Disposed | 50.7% (price as of 2026-10-06) |
| Nov. 27, 2023 | ATRC | G | 10,000 | · | · | 585,360 Direct | -1.68% | Disposed | (price as of 2026-10-06) |
| Aug. 4, 2023 | ATRC | G | 1,250 | · | · | 595,360 Direct | -0.21% | Disposed | (price as of 2026-10-06) |
| June 30, 2023 | ATRC | A | 557 | $38.11 | $21,227 | 596,610 Direct | +0.09% | Acquired | 43.5% (price as of 2026-10-06) |
| May 31, 2023 | ATRC | G | 1,000 | · | · | 596,053 Direct | -0.17% | Disposed | (price as of 2026-10-06) |
| March 1, 2023 | ATRC | A | 69,234 | · | · | 598,130 Direct | +13.09% | Acquired | (price as of 2026-10-06) |
| March 1, 2023 | ATRC | A | 45,993 | · | · | 644,123 Direct | +7.69% | Acquired | (price as of 2026-10-06) |
| March 1, 2023 | ATRC | F | 45,470 | $38.81 | $1,764,691 | 598,653 Direct | -7.06% | Disposed | 40.9% (price as of 2026-10-06) |
| March 1, 2023 | ATRC | G | 800 | · | · | 597,853 Direct | -0.13% | Disposed | (price as of 2026-10-06) |
| March 1, 2023 | ATRC | G | 800 | · | · | 597,053 Direct | -0.13% | Disposed | (price as of 2026-10-06) |
| Nov. 17, 2022 | ATRC | G | 6,000 | · | · | 528,896 Direct | -1.12% | Disposed | (price as of 2026-10-06) |
| June 30, 2022 | ATRC | A | 350 | $34.73 | $12,156 | 534,896 Direct | +0.07% | Acquired | 57.4% (price as of 2026-10-06) |
| March 1, 2022 | ATRC | A | 67,109 | · | · | 555,081 Direct | +13.75% | Acquired | (price as of 2026-10-06) |
| March 1, 2022 | ATRC | A | 22,632 | · | · | 577,713 Direct | +4.08% | Acquired | (price as of 2026-10-06) |
| March 1, 2022 | ATRC | F | 43,167 | $69.59 | $3,003,992 | 534,546 Direct | -7.47% | Disposed | -21.4% (price as of 2026-10-06) |
| Feb. 24, 2022 | ATRC | G | 510 | · | · | 488,482 Direct | -0.10% | Disposed | (price as of 2026-10-06) |
| Feb. 24, 2022 | ATRC | G | 510 | · | · | 487,972 Direct | -0.10% | Disposed | (price as of 2026-10-06) |
| Dec. 31, 2021 | ATRC | A | 141 | $59.10 | $8,333 | 488,992 Direct | +0.03% | Acquired | -7.5% (price as of 2026-10-06) |
| Dec. 7, 2021 | ATRC | G | 10,000 | · | · | 488,851 Direct | -2.00% | Disposed | (price as of 2026-10-06) |
| Nov. 12, 2021 | ATRC | G | 345 | · | · | 498,851 Direct | -0.07% | Disposed | (price as of 2026-10-06) |
| Nov. 10, 2021 | ATRC | G | 345 | · | · | 499,196 Direct | -0.07% | Disposed | (price as of 2026-10-06) |
| June 30, 2021 | ATRC | A | 251 | $45.72 | $11,476 | 499,541 Direct | +0.05% | Acquired | 19.6% (price as of 2026-10-06) |
| March 1, 2021 | ATRC | F | 55,241 | $66.31 | $3,663,031 | 499,290 Direct | -9.96% | Disposed | -17.5% (price as of 2026-10-06) |
| March 1, 2021 | ATRC | A | 20,358 | · | · | 554,531 Direct | +3.81% | Acquired | (price as of 2026-10-06) |
| March 1, 2021 | ATRC | A | 29,378 | · | · | 534,173 Direct | +5.82% | Acquired | (price as of 2026-10-06) |
| Feb. 12, 2021 | ATRC | M | 25,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Feb. 12, 2021 | ATRC | S 10b5-1 | 25,000 | $65.00 | $1,625,000 | 504,795 Direct | -4.72% | Disposed | -15.9% (price as of 2026-10-06) |
| Feb. 12, 2021 | ATRC | M | 25,000 | $21.04 | $526,000 | 529,795 Direct | +4.95% | Acquired | 159.9% (price as of 2026-10-06) |
| Feb. 11, 2021 | ATRC | M | 25,000 | · | · | 25,000 Direct | -50.00% | Disposed | (price as of 2026-10-06) |
| Feb. 11, 2021 | ATRC | S 10b5-1 | 25,000 | $64.00 | $1,600,000 | 504,795 Direct | -4.72% | Disposed | -14.6% (price as of 2026-10-06) |
| Feb. 11, 2021 | ATRC | M | 25,000 | $21.04 | $526,000 | 529,795 Direct | +4.95% | Acquired | 159.9% (price as of 2026-10-06) |
| Feb. 10, 2021 | ATRC | M | 25,000 | · | · | 50,000 Direct | -33.33% | Disposed | (price as of 2026-10-06) |
| Feb. 10, 2021 | ATRC | S 10b5-1 | 25,000 | $63.00 | $1,575,000 | 504,795 Direct | -4.72% | Disposed | -13.2% (price as of 2026-10-06) |
| Feb. 10, 2021 | ATRC | M | 25,000 | $21.04 | $526,000 | 529,795 Direct | +4.95% | Acquired | 159.9% (price as of 2026-10-06) |
| Feb. 9, 2021 | ATRC | M | 25,000 | · | · | 75,000 Direct | -25.00% | Disposed | (price as of 2026-10-06) |
| Feb. 9, 2021 | ATRC | S 10b5-1 | 25,000 | $62.00 | $1,550,000 | 504,795 Direct | -4.72% | Disposed | -11.8% (price as of 2026-10-06) |
| Feb. 9, 2021 | ATRC | M | 25,000 | $21.04 | $526,000 | 529,795 Direct | +4.95% | Acquired | 159.9% (price as of 2026-10-06) |
| Feb. 8, 2021 | ATRC | M | 25,000 | · | · | 100,000 Direct | -20.00% | Disposed | (price as of 2026-10-06) |
| Feb. 8, 2021 | ATRC | S 10b5-1 | 25,000 | $61.00 | $1,525,000 | 504,795 Direct | -4.72% | Disposed | -10.4% (price as of 2026-10-06) |
| Feb. 8, 2021 | ATRC | M | 25,000 | $21.04 | $526,000 | 529,795 Direct | +4.95% | Acquired | 159.9% (price as of 2026-10-06) |
| Feb. 2, 2021 | ATRC | M | 25,000 | · | · | 125,000 Direct | -16.67% | Disposed | (price as of 2026-10-06) |
| Feb. 2, 2021 | ATRC | S 10b5-1 | 25,000 | $60.00 | $1,500,000 | 504,795 Direct | -4.72% | Disposed | -8.9% (price as of 2026-10-06) |
| Feb. 2, 2021 | ATRC | M | 25,000 | $21.04 | $526,000 | 529,795 Direct | +4.95% | Acquired | 159.9% (price as of 2026-10-06) |
| Jan. 11, 2021 | ATRC | M | 25,000 | · | · | 150,000 Direct | -14.29% | Disposed | (price as of 2026-10-06) |
| Jan. 11, 2021 | ATRC | S 10b5-1 | 25,000 | $59.00 | $1,475,000 | 504,795 Direct | -4.72% | Disposed | -7.3% (price as of 2026-10-06) |
| Jan. 11, 2021 | ATRC | M | 25,000 | $21.04 | $526,000 | 529,795 Direct | +4.95% | Acquired | 159.9% (price as of 2026-10-06) |
| Dec. 31, 2020 | ATRC | A | 291 | $38.48 | $11,198 | 504,795 Direct | +0.06% | Acquired | 42.1% (price as of 2026-10-06) |
| Dec. 28, 2020 | ATRC | M | 24,953 | · | · | 175,000 Direct | -12.48% | Disposed | (price as of 2026-10-06) |
| Dec. 28, 2020 | ATRC | S 10b5-1 | 24,953 | $58.00 | $1,447,274 | 504,504 Direct | -4.71% | Disposed | -5.7% (price as of 2026-10-06) |
| Dec. 28, 2020 | ATRC | M | 24,953 | $21.04 | $525,011 | 529,457 Direct | +4.95% | Acquired | 159.9% (price as of 2026-10-06) |
| Dec. 23, 2020 | ATRC | M | 47 | · | · | 199,953 Direct | -0.02% | Disposed | (price as of 2026-10-06) |
| Dec. 23, 2020 | ATRC | S 10b5-1 | 47 | $58.00 | $2,726 | 504,504 Direct | -0.01% | Disposed | -5.7% (price as of 2026-10-06) |
| Dec. 23, 2020 | ATRC | M | 47 | $21.04 | $989 | 504,551 Direct | +0.01% | Acquired | 159.9% (price as of 2026-10-06) |
| Dec. 22, 2020 | ATRC | M | 25,000 | · | · | 200,000 Direct | -11.11% | Disposed | (price as of 2026-10-06) |
| Dec. 22, 2020 | ATRC | M | 25,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Dec. 22, 2020 | ATRC | S 10b5-1 | 25,000 | $57.00 | $1,425,000 | 504,504 Direct | -4.72% | Disposed | -4.1% (price as of 2026-10-06) |
| Dec. 22, 2020 | ATRC | M | 25,000 | $21.04 | $526,000 | 529,504 Direct | +4.96% | Acquired | 159.9% (price as of 2026-10-06) |
| Dec. 22, 2020 | ATRC | S 10b5-1 | 25,000 | $56.00 | $1,400,000 | 504,504 Direct | -4.72% | Disposed | -2.4% (price as of 2026-10-06) |
| Dec. 22, 2020 | ATRC | M | 25,000 | $21.04 | $526,000 | 529,594 Direct | +4.95% | Acquired | 159.9% (price as of 2026-10-06) |
| Dec. 21, 2020 | ATRC | M | 24,751 | · | · | 25,000 Direct | -49.75% | Disposed | (price as of 2026-10-06) |
| Dec. 21, 2020 | ATRC | S 10b5-1 | 24,751 | $55.00 | $1,361,305 | 504,504 Direct | -4.68% | Disposed | -0.6% (price as of 2026-10-06) |
| Dec. 21, 2020 | ATRC | M | 24,751 | $21.04 | $520,761 | 529,255 Direct | +4.91% | Acquired | 159.9% (price as of 2026-10-06) |
| Dec. 18, 2020 | ATRC | M | 50,249 | · | · | 49,751 Direct | -50.25% | Disposed | (price as of 2026-10-06) |
| Dec. 18, 2020 | ATRC | S 10b5-1 | 50,249 | $53.51 | $2,688,824 | 504,504 Direct | -9.06% | Disposed | 2.2% (price as of 2026-10-06) |
| Dec. 18, 2020 | ATRC | M | 50,249 | $21.04 | $1,057,239 | 554,753 Direct | +9.96% | Acquired | 159.9% (price as of 2026-10-06) |
| Dec. 17, 2020 | ATRC | M | 25,000 | · | · | 100,000 Direct | -20.00% | Disposed | (price as of 2026-10-06) |
| Dec. 17, 2020 | ATRC | M | 25,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Dec. 17, 2020 | ATRC | M | 25,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Dec. 17, 2020 | ATRC | S 10b5-1 | 25,000 | $52.00 | $1,300,000 | 504,504 Direct | -4.72% | Disposed | 5.2% (price as of 2026-10-06) |
| Dec. 17, 2020 | ATRC | M | 25,000 | $21.04 | $526,000 | 529,504 Direct | +4.96% | Acquired | 159.9% (price as of 2026-10-06) |
| Dec. 17, 2020 | ATRC | S 10b5-1 | 25,000 | $51.00 | $1,275,000 | 504,504 Direct | -4.72% | Disposed | 7.2% (price as of 2026-10-06) |
| Dec. 17, 2020 | ATRC | M | 25,000 | $5.91 | $147,750 | 529,504 Direct | +4.96% | Acquired | 825.2% (price as of 2026-10-06) |
| Dec. 17, 2020 | ATRC | S 10b5-1 | 25,000 | $50.00 | $1,250,000 | 504,504 Direct | -4.72% | Disposed | 9.4% (price as of 2026-10-06) |
| Dec. 17, 2020 | ATRC | M | 25,000 | $5.91 | $147,750 | 529,504 Direct | +4.96% | Acquired | 825.2% (price as of 2026-10-06) |
| Sept. 10, 2020 | ATRC | G | 10,000 | · | · | 504,504 Direct | -1.94% | Disposed | (price as of 2026-10-06) |
| June 30, 2020 | ATRC | A | 357 | $28.11 | $10,035 | 514,504 Direct | +0.07% | Acquired | 94.5% (price as of 2026-10-06) |
| May 12, 2020 | ATRC | M | 25,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| May 11, 2020 | ATRC | M | 25,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
Showing latest 100 of 173 transactions
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 |
|---|---|---|---|---|---|---|---|
| Feb. 12, 2021 | ATRC | Stock Option (Right to Buy) | Common Stock | $21.04 | Jan. 24, 2024 | 25,000 | Disposed |
| Feb. 11, 2021 | ATRC | Stock Option (Right to Buy) | Common Stock | $21.04 | Jan. 24, 2024 | 25,000 | Disposed |
| Feb. 10, 2021 | ATRC | Stock Option (Right to Buy) | Common Stock | $21.04 | Jan. 24, 2024 | 25,000 | Disposed |
| Feb. 9, 2021 | ATRC | Stock Option (Right to Buy) | Common Stock | $21.04 | Jan. 24, 2024 | 25,000 | Disposed |
| Feb. 8, 2021 | ATRC | Stock Option (Right to Buy) | Common Stock | $21.04 | Jan. 24, 2024 | 25,000 | Disposed |
| Feb. 2, 2021 | ATRC | Stock Option (Right to Buy) | Common Stock | $21.04 | Jan. 24, 2024 | 25,000 | Disposed |
| Jan. 11, 2021 | ATRC | Stock Option (Right to Buy) | Common Stock | $21.04 | Jan. 24, 2024 | 25,000 | Disposed |
| Dec. 28, 2020 | ATRC | Stock Option (Right to buy) | Common Stock | $21.04 | Jan. 24, 2024 | 24,953 | Disposed |
| Dec. 23, 2020 | ATRC | Stock Option (Right to Buy) | Common Stock | $21.04 | Jan. 24, 2024 | 47 | Disposed |
| Dec. 22, 2020 | ATRC | Stock Option (Right to Buy) | Common Stock | $21.04 | Jan. 24, 2024 | 25,000 | Disposed |
| Dec. 22, 2020 | ATRC | Stock Option (Right to Buy) | Common Stock | $21.04 | Jan. 24, 2024 | 25,000 | Disposed |
| Dec. 21, 2020 | ATRC | Stock Option (Right to Buy) | Common Stock | $21.04 | Jan. 24, 2024 | 24,751 | Disposed |
| Dec. 18, 2020 | ATRC | Stock Option (Right to Buy) | Common Stock | $21.04 | Jan. 24, 2024 | 50,249 | Disposed |
| Dec. 17, 2020 | ATRC | Stock Option (Right to Buy) | Common Stock | $21.04 | Jan. 24, 2024 | 25,000 | Disposed |
| Dec. 17, 2020 | ATRC | Stock Option (Right to Buy) | Common Stock | $5.91 | Nov. 1, 2022 | 25,000 | Disposed |
| Dec. 17, 2020 | ATRC | Stock Option (Right to buy) | Common Stock | $5.91 | Nov. 1, 2022 | 25,000 | Disposed |
| May 12, 2020 | ATRC | Stock Option (Right to Buy) | Common Stock | $5.91 | Nov. 1, 2022 | 25,000 | Disposed |
| May 11, 2020 | ATRC | Stock Option (Right to buy) | Common Stock | $5.91 | Nov. 1, 2022 | 25,000 | Disposed |
| May 8, 2020 | ATRC | Stock Option (Right to buy) | Common Stock | $5.91 | Nov. 1, 2022 | 25,000 | Disposed |
| Feb. 14, 2020 | ATRC | Stock Option (Right to buy) | Common Stock | $5.91 | Nov. 1, 2022 | 25,000 | Disposed |
| Feb. 13, 2020 | ATRC | Stock Option (Right to buy) | Common Stock | $5.91 | Nov. 1, 2022 | 25,000 | Disposed |
| Feb. 11, 2020 | ATRC | Stock Option (Right to Buy) | Common Stock | $5.91 | Nov. 1, 2022 | 25,000 | Disposed |
| Feb. 10, 2020 | ATRC | Stock Option (Right to buy) | Common Stock | $5.91 | Nov. 1, 2022 | 25,000 | Disposed |
| Jan. 29, 2020 | ATRC | Stock Option (Right to Buy) | Common Stock | $5.91 | Nov. 1, 2022 | 25,000 | Disposed |
| Jan. 15, 2020 | ATRC | Stock Option (Right to Buy) | Common Stock | $5.91 | Nov. 2, 2022 | 25,000 | Disposed |
| Jan. 14, 2020 | ATRC | Stock Option (Right to Buy) | Common Stock | $5.91 | Nov. 1, 2022 | 25,000 | Disposed |
| Jan. 2, 2020 | ATRC | Stock Option (Right to Buy) | Common Stock | $5.91 | Nov. 1, 2022 | 23,546 | Disposed |
| July 31, 2019 | ATRC | Stock Option (Right to Buy) | Common Stock | $5.91 | Nov. 1, 2022 | 1,454 | Disposed |
| July 10, 2019 | ATRC | Stock Option (Right to Buy) | Common Stock | $5.91 | Nov. 1, 2022 | 25,000 | Disposed |
| Jan. 24, 2014 | ATRC | Stock Option (right to buy) | Common Stock | $21.04 | Jan. 24, 2024 | 225,000 | Acquired |
| Jan. 24, 2014 | ATRC | Stock Option (right to buy) | Common Stock | $21.04 | Jan. 24, 2024 | 125,000 | Acquired |
| Nov. 1, 2012 | ATRC | Stock Option (right to buy) | Common Stock | $5.91 | Nov. 1, 2022 | 225,000 | Acquired |
| Nov. 1, 2012 | ATRC | Stock Option (right to buy) | Common Stock | $5.91 | Nov. 1, 2022 | 125,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Nov. 5, 2012 | ATRC | Common Stock | 0 | Direct |
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 |
|---|---|---|---|---|---|---|---|---|
| 2014 | $515,000 | · | · | · | $653,522 | · | $22,530 | $6,536,022 |
| 2013 | $500,000 | · | · | · | $591,323 | · | $22,289 | $1,113,612 |
| 2012 | $83,333 | · | · | · | $118,125 | · | · | $1,901,797 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.