Patrick Miles
Insider
First SEC filing: Oct. 4, 2017 · Latest: Feb. 10, 2022
Insider at
Insider transactions
1 buys (P)
3 sells (S)
Net: $-5,194,850
Avg return of open purchases vs now: 13.8%
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. 10, 2026 | ATEC | P | 115,000 | $8.81 | $1,013,150 | 5,893,551 Direct | +1.99% | Acquired | 13.8% (price as of 2026-10-02) |
| March 5, 2026 | ATEC | F | 219,749 | $12.57 | $2,762,245 | 5,778,551 Direct | -3.66% | Disposed | -20.2% (price as of 2026-10-02) |
| Feb. 25, 2026 | ATEC | A | 611,673 | · | · | 5,643,680 Direct | +12.16% | Acquired | (price as of 2026-10-02) |
| Feb. 25, 2026 | ATEC | A | 305,707 | · | · | 5,949,387 Direct | +5.42% | Acquired | (price as of 2026-10-02) |
| Feb. 25, 2026 | ATEC | A | 48,913 | · | · | 5,998,300 Direct | +0.82% | Acquired | (price as of 2026-10-02) |
| Feb. 25, 2026 | ATEC | A | 152,853 | · | · | 152,853 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 25, 2026 | ATEC | A | 152,853 | · | · | 152,853 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 5, 2026 | ATEC | S 10b5-1 | 100,000 | $21.01 | $2,101,000 | 5,135,398 Direct | -1.91% | Disposed | -52.3% (price as of 2026-10-02) |
| Dec. 8, 2025 | ATEC | F | 28,680 | $21.45 | $615,186 | 5,235,398 Direct | -0.54% | Disposed | -53.2% (price as of 2026-10-02) |
| Dec. 1, 2025 | ATEC | S 10b5-1 | 100,000 | $22.11 | $2,211,000 | 5,264,078 Direct | -1.86% | Disposed | -54.6% (price as of 2026-10-02) |
| Nov. 3, 2025 | ATEC | S 10b5-1 | 100,000 | $18.96 | $1,896,000 | 5,364,078 Direct | -1.83% | Disposed | -47.1% (price as of 2026-10-02) |
| Oct. 1, 2025 | ATEC | S 10b5-1 | 100,000 | $13.96 | $1,396,000 | 5,464,078 Direct | -1.80% | Disposed | -28.2% (price as of 2026-10-02) |
| Sept. 2, 2025 | ATEC | S 10b5-1 | 300,000 | $15.73 | $4,719,000 | 5,564,078 Direct | -5.12% | Disposed | -36.2% (price as of 2026-10-02) |
| Aug. 14, 2025 | ATEC | G | 10,000 | · | · | 5,864,078 Direct | -0.17% | Disposed | (price as of 2026-10-02) |
| April 1, 2025 | ATEC | A | 16,475 | · | · | 5,874,078 Direct | +0.28% | Acquired | (price as of 2026-10-02) |
| March 7, 2025 | ATEC | S 10b5-1 | 12,691 | $10.64 | $135,032 | 5,857,603 Direct | -0.22% | Disposed | -5.7% (price as of 2026-10-02) |
| March 6, 2025 | ATEC | F | 70,097 | $11.44 | $801,910 | 5,870,294 Direct | -1.18% | Disposed | -12.3% (price as of 2026-10-02) |
| Feb. 26, 2025 | ATEC | S 10b5-1 | 32,393 | $10.89 | $352,760 | 5,940,391 Direct | -0.54% | Disposed | -7.9% (price as of 2026-10-02) |
| Feb. 24, 2025 | ATEC | F | 92,988 | $10.76 | $1,000,551 | 5,972,784 Direct | -1.53% | Disposed | -6.8% (price as of 2026-10-02) |
| Feb. 5, 2025 | ATEC | S 10b5-1 | 43,459 | $11.95 | $519,335 | 6,065,772 Direct | -0.71% | Disposed | -16.1% (price as of 2026-10-02) |
| Jan. 30, 2025 | ATEC | S 10b5-1 | 43,313 | $12.03 | $521,055 | 6,109,231 Direct | -0.70% | Disposed | -16.6% (price as of 2026-10-02) |
| Jan. 29, 2025 | ATEC | A | 311,634 | · | · | 5,813,349 Direct | +5.66% | Acquired | (price as of 2026-10-02) |
| Jan. 29, 2025 | ATEC | A | 340,955 | · | · | 6,154,304 Direct | +5.87% | Acquired | (price as of 2026-10-02) |
| Jan. 29, 2025 | ATEC | A | 48,240 | · | · | 6,202,544 Direct | +0.78% | Acquired | (price as of 2026-10-02) |
| Jan. 29, 2025 | ATEC | S 10b5-1 | 50,000 | $12.03 | $601,500 | 6,152,544 Direct | -0.81% | Disposed | -16.6% (price as of 2026-10-02) |
| Jan. 21, 2025 | ATEC | S 10b5-1 | 6,687 | $12.00 | $80,244 | 5,501,715 Direct | -0.12% | Disposed | -16.4% (price as of 2026-10-02) |
| Nov. 21, 2024 | ATEC | S 10b5-1 | 50,000 | $10.09 | $504,500 | 5,508,402 Direct | -0.90% | Disposed | -0.6% (price as of 2026-10-02) |
| Nov. 20, 2024 | ATEC | S 10b5-1 | 50,000 | $10.03 | $501,500 | 5,558,402 Direct | -0.89% | Disposed | 0.0% (price as of 2026-10-02) |
| Feb. 24, 2024 | ATEC | F | 88,169 | $15.27 | $1,346,341 | 5,608,402 Direct | -1.55% | Disposed | -34.3% (price as of 2026-10-02) |
| Feb. 21, 2024 | ATEC | A | 81,794 | · | · | 5,696,571 Direct | +1.46% | Acquired | (price as of 2026-10-02) |
| Feb. 20, 2024 | ATEC | F | 154,702 | $15.52 | $2,400,975 | 5,614,777 Direct | -2.68% | Disposed | -35.4% (price as of 2026-10-02) |
| Feb. 1, 2024 | ATEC | A | 413,564 | · | · | 5,866,300 Direct | +7.58% | Acquired | (price as of 2026-10-02) |
| Feb. 1, 2024 | ATEC | F | 96,821 | $16.68 | $1,614,974 | 5,769,479 Direct | -1.65% | Disposed | -39.9% (price as of 2026-10-02) |
| Sept. 27, 2023 | ATEC | S 10b5-1 | 59,375 | $13.00 | $771,875 | 5,452,736 Direct | -1.08% | Disposed | -22.8% (price as of 2026-10-02) |
| Sept. 26, 2023 | ATEC | S 10b5-1 | 60,000 | $12.46 | $747,600 | 5,512,111 Direct | -1.08% | Disposed | -19.5% (price as of 2026-10-02) |
| Sept. 25, 2023 | ATEC | S 10b5-1 | 60,000 | $12.51 | $750,600 | 5,572,111 Direct | -1.07% | Disposed | -19.8% (price as of 2026-10-02) |
| Sept. 20, 2023 | ATEC | S 10b5-1 | 60,000 | $13.35 | $801,000 | 5,632,111 Direct | -1.05% | Disposed | -24.9% (price as of 2026-10-02) |
| Sept. 19, 2023 | ATEC | S 10b5-1 | 60,000 | $13.42 | $805,200 | 5,692,111 Direct | -1.04% | Disposed | -25.3% (price as of 2026-10-02) |
| Sept. 18, 2023 | ATEC | S 10b5-1 | 60,000 | $13.48 | $808,800 | 5,752,111 Direct | -1.03% | Disposed | -25.6% (price as of 2026-10-02) |
| May 10, 2023 | ATEC | M | 269,842 | $3.50 | $944,447 | 5,872,606 Direct | +4.82% | Acquired | 186.6% (price as of 2026-10-02) |
| May 10, 2023 | ATEC | F | 60,495 | $15.61 | $944,327 | 5,812,111 Direct | -1.03% | Disposed | -35.7% (price as of 2026-10-02) |
| May 10, 2023 | ATEC | M | 269,842 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| April 12, 2023 | ATEC | G | 5,000 | · | · | 5,602,764 Direct | -0.09% | Disposed | (price as of 2026-10-02) |
| April 4, 2023 | ATEC | S 10b5-1 | 353 | $15.86 | $5,599 | 5,607,764 Direct | -0.01% | Disposed | -36.8% (price as of 2026-10-02) |
| March 13, 2023 | ATEC | S 10b5-1 | 20,000 | $14.51 | $290,200 | 5,608,117 Direct | -0.36% | Disposed | -30.9% (price as of 2026-10-02) |
| March 10, 2023 | ATEC | S 10b5-1 | 60,000 | $14.72 | $883,200 | 5,628,117 Direct | -1.05% | Disposed | -31.9% (price as of 2026-10-02) |
| March 9, 2023 | ATEC | S 10b5-1 | 60,000 | $15.83 | $949,800 | 5,688,117 Direct | -1.04% | Disposed | -36.6% (price as of 2026-10-02) |
| March 8, 2023 | ATEC | S 10b5-1 | 60,000 | $16013.00 | $960,780,000 | 5,748,117 Direct | -1.03% | Disposed | -99.9% (price as of 2026-10-02) |
| March 7, 2023 | ATEC | S 10b5-1 | 60,000 | $15.87 | $952,200 | 5,808,117 Direct | -1.02% | Disposed | -36.8% (price as of 2026-10-02) |
| March 6, 2023 | ATEC | S 10b5-1 | 60,000 | $15.82 | $949,200 | 5,868,117 Direct | -1.01% | Disposed | -36.6% (price as of 2026-10-02) |
| Feb. 1, 2023 | ATEC | A | 316,311 | · | · | 5,617,944 Direct | +5.97% | Acquired | (price as of 2026-10-02) |
| Feb. 1, 2023 | ATEC | A | 206,782 | · | · | 5,824,726 Direct | +3.68% | Acquired | (price as of 2026-10-02) |
| Feb. 1, 2023 | ATEC | A | 103,391 | · | · | 5,928,117 Direct | +1.78% | Acquired | (price as of 2026-10-02) |
| Jan. 24, 2023 | ATEC | S 10b5-1 | 60,000 | $13.18 | $790,800 | 5,301,633 Direct | -1.12% | Disposed | -23.9% (price as of 2026-10-02) |
| Jan. 23, 2023 | ATEC | S 10b5-1 | 60,000 | $13.17 | $790,200 | 5,361,633 Direct | -1.11% | Disposed | -23.8% (price as of 2026-10-02) |
| Jan. 20, 2023 | ATEC | S 10b5-1 | 60,000 | $13.12 | $787,200 | 5,421,633 Direct | -1.09% | Disposed | -23.6% (price as of 2026-10-02) |
| Jan. 19, 2023 | ATEC | S 10b5-1 | 60,000 | $13.33 | $799,800 | 5,481,633 Direct | -1.08% | Disposed | -24.8% (price as of 2026-10-02) |
| Jan. 18, 2023 | ATEC | S 10b5-1 | 60,000 | $13.30 | $798,000 | 5,541,633 Direct | -1.07% | Disposed | -24.6% (price as of 2026-10-02) |
| Jan. 17, 2023 | ATEC | S 10b5-1 | 60,000 | $13.05 | $783,000 | 5,601,633 Direct | -1.06% | Disposed | -23.1% (price as of 2026-10-02) |
| Nov. 2, 2022 | ATEC | A | 359,375 | · | · | 5,661,633 Direct | +6.78% | Acquired | (price as of 2026-10-02) |
| Aug. 5, 2022 | ATEC | F | 57,443 | $8.03 | $461,267 | 5,302,258 Direct | -1.07% | Disposed | 24.9% (price as of 2026-10-02) |
| June 14, 2022 | ATEC | F | 298,933 | $7.33 | $2,191,179 | 5,359,701 Direct | -5.28% | Disposed | 36.8% (price as of 2026-10-02) |
| May 20, 2022 | ATEC | S | 100,000 | $7.85 | $785,000 | 5,658,634 Direct | -1.74% | Disposed | 27.8% (price as of 2026-10-02) |
| May 19, 2022 | ATEC | S | 100,000 | $8.19 | $819,000 | 5,758,634 Direct | -1.71% | Disposed | 22.5% (price as of 2026-10-02) |
| May 18, 2022 | ATEC | S | 100,000 | $8.34 | $834,000 | 5,858,634 Direct | -1.68% | Disposed | 20.3% (price as of 2026-10-02) |
| May 5, 2022 | ATEC | F | 153,634 | $11.01 | $1,691,510 | 5,958,634 Direct | -2.51% | Disposed | -8.9% (price as of 2026-10-02) |
| Feb. 24, 2022 | ATEC | A | 210,874 | · | · | 6,112,268 Direct | +3.57% | Acquired | (price as of 2026-10-02) |
| Feb. 24, 2022 | ATEC | A | 875,000 | · | · | 5,901,394 Direct | +17.41% | Acquired | (price as of 2026-10-02) |
| Dec. 2, 2021 | ATEC | F | 57,443 | $10.70 | $614,640 | 5,046,394 Direct | -1.13% | Disposed | -6.3% (price as of 2026-10-02) |
| Nov. 11, 2021 | ATEC | P | 50,000 | $11.71 | $585,500 | 5,103,837 Direct | +0.99% | Acquired | -14.3% (price as of 2026-10-02) |
| Aug. 6, 2021 | ATEC | M | 250,000 | $2.00 | $500,000 | 5,053,837 Direct | +5.20% | Acquired | 401.5% (price as of 2026-10-02) |
| Aug. 6, 2021 | ATEC | M | 250,000 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| July 1, 2021 | ATEC | F | 154,938 | $15.32 | $2,373,650 | 4,803,837 Direct | -3.12% | Disposed | -34.5% (price as of 2026-10-02) |
| April 29, 2021 | ATEC | F | 146,074 | $16.33 | $2,385,388 | 4,958,775 Direct | -2.86% | Disposed | -38.6% (price as of 2026-10-02) |
| Feb. 18, 2021 | ATEC | A | 50,000 | · | · | 5,104,849 Direct | +0.99% | Acquired | (price as of 2026-10-02) |
| April 22, 2020 | ATEC | A | 875,660 | · | · | 5,054,849 Direct | +20.95% | Acquired | (price as of 2026-10-02) |
| April 6, 2020 | ATEC | A | 28,268 | $3.93 | $111,093 | 4,179,189 Direct | +0.68% | Acquired | 155.2% (price as of 2026-10-02) |
| March 17, 2020 | ATEC | P | 10,900 | $2.99 | $32,591 | 10,900 Indirect | · | Acquired | 235.5% (price as of 2026-10-02) |
| March 17, 2020 | ATEC | P | 66,600 | $3.00 | $199,800 | 4,150,921 Direct | +1.63% | Acquired | 234.3% (price as of 2026-10-02) |
| Oct. 8, 2019 | ATEC | F | 158,676 | $4.87 | $772,752 | 4,084,321 Direct | -3.74% | Disposed | 106.0% (price as of 2026-10-02) |
| May 13, 2019 | ATEC | A | 1,250,000 | · | · | 4,242,997 Direct | +41.76% | Acquired | (price as of 2026-10-02) |
| March 6, 2019 | ATEC | F | 115,333 | $3.04 | $350,612 | 2,992,997 Direct | -3.71% | Disposed | 229.9% (price as of 2026-10-02) |
| July 30, 2018 | ATEC | A | 721,193 | · | · | 721,193 Direct | · | Acquired | (price as of 2026-10-02) |
| July 30, 2018 | ATEC | A | 463,435 | · | · | 3,108,330 Direct | +17.52% | Acquired | (price as of 2026-10-02) |
| May 17, 2018 | ATEC | M | 1,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 17, 2018 | ATEC | M | 317,461 | · | · | 2,644,895 Direct | +13.64% | Acquired | (price as of 2026-10-02) |
| March 8, 2018 | ATEC | A | 269,842 | · | · | 269,842 Direct | · | Acquired | (price as of 2026-10-02) |
| March 8, 2018 | ATEC | A | 1,000 | $1000.00 | $1,000,000 | 1,000 Direct | · | Acquired | -99.0% (price as of 2026-10-02) |
| Dec. 28, 2017 | ATEC | A | 1,327,434 | $2.26 | $3,000,001 | 2,327,434 Direct | +132.74% | Acquired | 343.8% (price as of 2026-10-02) |
| Oct. 2, 2017 | ATEC | A | 1,000,000 | · | · | 1,000,000 Direct | · | Acquired | (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 |
|---|---|---|---|---|---|---|---|
| Feb. 25, 2026 | ATEC | Restricted Stock Units [F6] | Common Stock | · | · | 152,853 | Acquired |
| Feb. 25, 2026 | ATEC | Restricted Stock Units [F7] | Common Stock | · | · | 152,853 | Acquired |
| May 10, 2023 | ATEC | Warrants (right to buy) | Common Stock | $3.50 | May 17, 2023 | 269,842 | Disposed |
| Aug. 6, 2021 | ATEC | Warrants (right to buy) | Common Stock | $2.00 | June 15, 2022 | 250,000 | Disposed |
| July 30, 2018 | ATEC | Employee Stock Option (right to buy) | Common Stock | $2.69 | July 30, 2028 | 721,193 | Acquired |
| May 17, 2018 | ATEC | Series B Convertible Preferred Stock | Common Stock | · | · | 1,000 | Disposed |
| March 8, 2018 | ATEC | Warrants (right to buy) | Common Stock | $3.50 | · | 269,842 | Acquired |
| March 8, 2018 | ATEC | Series B Convertible Preferred Stock | Common Stock | · | · | 1,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 2 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 |
|---|---|---|---|---|---|---|---|---|
| 2025 | $762,000 | · | · | · | $600,000 | · | $38,857 | $10,260,507 |
| 2024 | $756,577 | · | · | · | $400,000 | · | $36,442 | $6,221,699 |
| 2023 | $713,269 | · | · | · | $1,040,000 | · | $37,124 | $9,477,979 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.