Craig E Hunsaker
Insider
First SEC filing: March 27, 2017 · Latest: Jan. 25, 2021
Insider at
Insider transactions
0 buys (P)
5 sells (S)
Net: $-4,664,627
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 |
|---|---|---|---|---|---|---|---|---|---|
| March 9, 2026 | ATEC | S 10b5-1 | 82,765 | $12.45 | $1,030,424 | 1,726,209 Direct | -4.58% | Disposed | -19.4% (price as of 2026-10-02) |
| March 9, 2026 | ATEC | G | 600 | · | · | 1,725,609 Direct | -0.03% | Disposed | (price as of 2026-10-02) |
| March 6, 2026 | ATEC | S 10b5-1 | 33,602 | $12.22 | $410,616 | 1,808,974 Direct | -1.82% | Disposed | -17.9% (price as of 2026-10-02) |
| Feb. 25, 2026 | ATEC | A | 311,110 | · | · | 1,694,206 Direct | +22.49% | Acquired | (price as of 2026-10-02) |
| Feb. 25, 2026 | ATEC | A | 127,378 | · | · | 1,821,584 Direct | +7.52% | Acquired | (price as of 2026-10-02) |
| Feb. 25, 2026 | ATEC | A | 20,992 | · | · | 1,842,576 Direct | +1.15% | Acquired | (price as of 2026-10-02) |
| Feb. 25, 2026 | ATEC | A | 63,689 | · | · | 63,689 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 25, 2026 | ATEC | A | 63,689 | · | · | 63,689 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 12, 2026 | ATEC | M | 31,710 | $1.93 | $61,200 | 1,204,735 Direct | +2.70% | Acquired | 419.7% (price as of 2026-10-02) |
| Feb. 12, 2026 | ATEC | M | 120,248 | $1.68 | $202,017 | 1,324,983 Direct | +9.98% | Acquired | 497.0% (price as of 2026-10-02) |
| Feb. 12, 2026 | ATEC | M | 78,249 | $2.69 | $210,490 | 1,403,232 Direct | +5.91% | Acquired | 272.9% (price as of 2026-10-02) |
| Feb. 12, 2026 | ATEC | M | 20,969 | $3.09 | $64,794 | 1,424,201 Direct | +1.49% | Acquired | 224.6% (price as of 2026-10-02) |
| Feb. 12, 2026 | ATEC | F | 41,105 | $13.10 | $538,476 | 1,383,096 Direct | -2.89% | Disposed | -23.4% (price as of 2026-10-02) |
| Feb. 12, 2026 | ATEC | M | 31,710 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 12, 2026 | ATEC | M | 120,248 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 12, 2026 | ATEC | M | 78,249 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 12, 2026 | ATEC | M | 20,969 | · | · | 104,031 Direct | -16.78% | Disposed | (price as of 2026-10-02) |
| Feb. 3, 2026 | ATEC | S 10b5-1 | 37,358 | $14.71 | $549,536 | 1,173,025 Direct | -3.09% | Disposed | -31.8% (price as of 2026-10-02) |
| Dec. 10, 2025 | ATEC | S | 32,584 | $20.84 | $679,051 | 1,256,558 Direct | -2.53% | Disposed | -51.9% (price as of 2026-10-02) |
| Oct. 31, 2025 | ATEC | S 10b5-1 | 100,000 | $19.95 | $1,995,000 | 1,289,142 Direct | -7.20% | Disposed | -49.7% (price as of 2026-10-02) |
| Aug. 6, 2025 | ATEC | S 10b5-1 | 10,876 | $15.33 | $166,729 | 1,389,142 Direct | -0.78% | Disposed | -34.6% (price as of 2026-10-02) |
| Aug. 5, 2025 | ATEC | S 10b5-1 | 50,000 | $15.00 | $750,000 | 1,400,018 Direct | -3.45% | Disposed | -33.1% (price as of 2026-10-02) |
| June 5, 2025 | ATEC | S 10b5-1 | 13,878 | $12.36 | $171,532 | 1,450,018 Direct | -0.95% | Disposed | -18.9% (price as of 2026-10-02) |
| June 4, 2025 | ATEC | S 10b5-1 | 186,122 | $12.34 | $2,296,745 | 1,463,896 Direct | -11.28% | Disposed | -18.7% (price as of 2026-10-02) |
| April 1, 2025 | ATEC | A | 21,751 | · | · | 1,650,018 Direct | +1.34% | Acquired | (price as of 2026-10-02) |
| Jan. 29, 2025 | ATEC | A | 156,935 | · | · | 1,433,141 Direct | +12.30% | Acquired | (price as of 2026-10-02) |
| Jan. 29, 2025 | ATEC | A | 173,417 | · | · | 1,606,558 Direct | +12.10% | Acquired | (price as of 2026-10-02) |
| Jan. 29, 2025 | ATEC | A | 21,709 | · | · | 1,628,267 Direct | +1.35% | Acquired | (price as of 2026-10-02) |
| Dec. 10, 2024 | ATEC | M | 36,301 | $2.69 | $97,650 | 1,224,745 Direct | +3.05% | Acquired | 272.9% (price as of 2026-10-02) |
| Dec. 10, 2024 | ATEC | M | 1,866 | $1.93 | $3,601 | 1,226,611 Direct | +0.15% | Acquired | 419.7% (price as of 2026-10-02) |
| Dec. 10, 2024 | ATEC | M | 72,752 | $1.68 | $122,223 | 1,299,363 Direct | +5.93% | Acquired | 497.0% (price as of 2026-10-02) |
| Dec. 10, 2024 | ATEC | F | 23,157 | $9.65 | $223,465 | 1,276,206 Direct | -1.78% | Disposed | 3.9% (price as of 2026-10-02) |
| Dec. 10, 2024 | ATEC | M | 1,866 | · | · | 31,701 Direct | -5.56% | Disposed | (price as of 2026-10-02) |
| Dec. 10, 2024 | ATEC | M | 72,752 | · | · | 120,208 Direct | -37.70% | Disposed | (price as of 2026-10-02) |
| Dec. 10, 2024 | ATEC | M | 36,301 | · | · | 78,249 Direct | -31.69% | Disposed | (price as of 2026-10-02) |
| Feb. 26, 2024 | ATEC | S 10b5-1 | 41,560 | $15.05 | $625,478 | 1,188,444 Direct | -3.38% | Disposed | -33.4% (price as of 2026-10-02) |
| Feb. 21, 2024 | ATEC | A | 41,190 | · | · | 1,230,004 Direct | +3.46% | Acquired | (price as of 2026-10-02) |
| Feb. 20, 2024 | ATEC | S 10b5-1 | 77,255 | $15.16 | $1,171,186 | 1,188,814 Direct | -6.10% | Disposed | -33.8% (price as of 2026-10-02) |
| Feb. 5, 2024 | ATEC | S 10b5-1 | 500 | $16.41 | $8,205 | 1,266,069 Direct | -0.04% | Disposed | -38.9% (price as of 2026-10-02) |
| Feb. 2, 2024 | ATEC | S 10b5-1 | 38,556 | $16.51 | $636,560 | 1,266,569 Direct | -2.95% | Disposed | -39.2% (price as of 2026-10-02) |
| Feb. 1, 2024 | ATEC | A | 184,698 | · | · | 1,305,125 Direct | +16.48% | Acquired | (price as of 2026-10-02) |
| June 28, 2023 | ATEC | S 10b5-1 | 100,487 | $18.00 | $1,808,766 | 1,120,427 Direct | -8.23% | Disposed | -44.3% (price as of 2026-10-02) |
| June 27, 2023 | ATEC | S 10b5-1 | 6,542 | $18.00 | $117,756 | 1,220,914 Direct | -0.53% | Disposed | -44.3% (price as of 2026-10-02) |
| May 15, 2023 | ATEC | S 10b5-1 | 58,238 | $15.29 | $890,459 | 1,227,456 Direct | -4.53% | Disposed | -34.4% (price as of 2026-10-02) |
| April 24, 2023 | ATEC | S 10b5-1 | 28,311 | $15.85 | $448,729 | 1,285,694 Direct | -2.15% | Disposed | -36.7% (price as of 2026-10-02) |
| March 3, 2023 | ATEC | S 10b5-1 | 32,823 | $16.00 | $525,168 | 1,314,005 Direct | -2.44% | Disposed | -37.3% (price as of 2026-10-02) |
| March 1, 2023 | ATEC | S 10b5-1 | 80,023 | $16.00 | $1,280,368 | 1,346,828 Direct | -5.61% | Disposed | -37.3% (price as of 2026-10-02) |
| Feb. 28, 2023 | ATEC | S 10b5-1 | 9,938 | $14.96 | $148,672 | 1,426,851 Direct | -0.69% | Disposed | -33.0% (price as of 2026-10-02) |
| Feb. 27, 2023 | ATEC | S 10b5-1 | 36,072 | $14.74 | $531,701 | 1,436,789 Direct | -2.45% | Disposed | -32.0% (price as of 2026-10-02) |
| Feb. 21, 2023 | ATEC | S 10b5-1 | 65,716 | $14.04 | $922,653 | 1,472,861 Direct | -4.27% | Disposed | -28.6% (price as of 2026-10-02) |
| Feb. 17, 2023 | ATEC | M | 134,921 | $3.50 | $472,224 | 1,570,916 Direct | +9.40% | Acquired | 186.6% (price as of 2026-10-02) |
| Feb. 17, 2023 | ATEC | F | 32,339 | $14.60 | $472,149 | 1,538,577 Direct | -2.06% | Disposed | -31.3% (price as of 2026-10-02) |
| Feb. 17, 2023 | ATEC | M | 134,921 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 9, 2023 | ATEC | S 10b5-1 | 60,000 | $14.00 | $840,000 | 1,435,995 Direct | -4.01% | Disposed | -28.4% (price as of 2026-10-02) |
| Feb. 1, 2023 | ATEC | A | 146,297 | · | · | 1,357,471 Direct | +12.08% | Acquired | (price as of 2026-10-02) |
| Feb. 1, 2023 | ATEC | A | 92,349 | · | · | 1,449,820 Direct | +6.80% | Acquired | (price as of 2026-10-02) |
| Feb. 1, 2023 | ATEC | A | 46,175 | · | · | 1,495,995 Direct | +3.18% | Acquired | (price as of 2026-10-02) |
| Jan. 9, 2023 | ATEC | S 10b5-1 | 40,000 | $12.60 | $504,000 | 1,211,174 Direct | -3.20% | Disposed | -20.4% (price as of 2026-10-02) |
| Aug. 17, 2022 | ATEC | S | 9,895 | $9.07 | $89,748 | 1,251,174 Direct | -0.78% | Disposed | 10.6% (price as of 2026-10-02) |
| Aug. 16, 2022 | ATEC | S | 900 | $9.50 | $8,550 | 1,261,069 Direct | -0.07% | Disposed | 5.6% (price as of 2026-10-02) |
| Aug. 15, 2022 | ATEC | S | 30,000 | $9.70 | $291,000 | 1,261,969 Direct | -2.32% | Disposed | 3.4% (price as of 2026-10-02) |
| Aug. 5, 2022 | ATEC | F | 9,760 | $8.03 | $78,373 | 1,291,969 Direct | -0.75% | Disposed | 24.9% (price as of 2026-10-02) |
| June 14, 2022 | ATEC | S | 30,000 | $7.00 | $210,000 | 1,301,729 Direct | -2.25% | Disposed | 43.3% (price as of 2026-10-02) |
| June 13, 2022 | ATEC | S | 30,000 | $7.31 | $219,300 | 1,331,729 Direct | -2.20% | Disposed | 37.2% (price as of 2026-10-02) |
| June 2, 2022 | ATEC | G | 500 | · | · | 1,361,729 Direct | -0.04% | Disposed | (price as of 2026-10-02) |
| June 1, 2022 | ATEC | S | 70,000 | $7.16 | $501,200 | 1,362,229 Direct | -4.89% | Disposed | 40.1% (price as of 2026-10-02) |
| May 17, 2022 | ATEC | F | 28,271 | $8.26 | $233,518 | 1,432,229 Direct | -1.94% | Disposed | 21.4% (price as of 2026-10-02) |
| April 28, 2022 | ATEC | F | 27,488 | $11.54 | $317,212 | 1,460,500 Direct | -1.85% | Disposed | -13.1% (price as of 2026-10-02) |
| March 18, 2022 | ATEC | F | 66,652 | $10.94 | $729,173 | 1,487,988 Direct | -4.29% | Disposed | -8.3% (price as of 2026-10-02) |
| Feb. 24, 2022 | ATEC | A | 97,531 | · | · | 1,554,640 Direct | +6.69% | Acquired | (price as of 2026-10-02) |
| Feb. 24, 2022 | ATEC | A | 400,000 | · | · | 1,457,109 Direct | +37.84% | Acquired | (price as of 2026-10-02) |
| Nov. 12, 2021 | ATEC | P | 15,000 | $11.66 | $174,900 | 1,057,109 Direct | +1.44% | Acquired | -14.0% (price as of 2026-10-02) |
| Aug. 5, 2021 | ATEC | F | 9,760 | $15.23 | $148,645 | 1,042,109 Direct | -0.93% | Disposed | -34.1% (price as of 2026-10-02) |
| May 17, 2021 | ATEC | F | 28,271 | $14.81 | $418,694 | 1,051,869 Direct | -2.62% | Disposed | -32.3% (price as of 2026-10-02) |
| April 29, 2021 | ATEC | F | 22,381 | $16.33 | $365,482 | 1,080,140 Direct | -2.03% | Disposed | -38.6% (price as of 2026-10-02) |
| April 12, 2021 | ATEC | M | 100,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| April 12, 2021 | ATEC | M | 100,000 | $2.00 | $200,000 | 1,102,521 Direct | +9.97% | Acquired | 401.5% (price as of 2026-10-02) |
| April 9, 2021 | ATEC | S 10b5-1 | 5,840 | $18.00 | $105,120 | 1,002,521 Direct | -0.58% | Disposed | -44.3% (price as of 2026-10-02) |
| April 8, 2021 | ATEC | S 10b5-1 | 25,000 | $16.23 | $405,750 | 1,008,361 Direct | -2.42% | Disposed | -38.2% (price as of 2026-10-02) |
| Feb. 18, 2021 | ATEC | A | 50,000 | · | · | 1,033,361 Direct | +5.08% | Acquired | (price as of 2026-10-02) |
| Oct. 8, 2020 | ATEC | S 10b5-1 | 32,000 | $8.25 | $264,000 | 1,016,092 Direct | -3.05% | Disposed | 21.6% (price as of 2026-10-02) |
| Oct. 8, 2020 | ATEC | S 10b5-1 | 30,731 | $9.00 | $276,579 | 985,361 Direct | -3.02% | Disposed | 11.4% (price as of 2026-10-02) |
| April 22, 2020 | ATEC | A | 167,156 | · | · | 1,048,092 Direct | +18.97% | Acquired | (price as of 2026-10-02) |
| April 6, 2020 | ATEC | A | 17,988 | $3.93 | $70,693 | 880,936 Direct | +2.08% | Acquired | 155.2% (price as of 2026-10-02) |
| Jan. 15, 2020 | ATEC | M | 100,000 | · | · | 100,000 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| Jan. 15, 2020 | ATEC | M | 100,000 | $2.00 | $200,000 | 862,948 Direct | +13.11% | Acquired | 401.5% (price as of 2026-10-02) |
| Jan. 15, 2020 | ATEC | S 10b5-1 | 32,000 | $7.75 | $248,000 | 762,948 Direct | -4.03% | Disposed | 29.4% (price as of 2026-10-02) |
| Jan. 2, 2020 | ATEC | G | 500 | · | · | 794,948 Direct | -0.06% | Disposed | (price as of 2026-10-02) |
| Jan. 2, 2020 | ATEC | G | 2,000 | · | · | 795,448 Direct | -0.25% | Disposed | (price as of 2026-10-02) |
| Nov. 18, 2019 | ATEC | S 10b5-1 | 32,000 | $7.25 | $232,000 | 797,448 Direct | -3.86% | Disposed | 38.3% (price as of 2026-10-02) |
| Nov. 4, 2019 | ATEC | S 10b5-1 | 12,000 | $7.00 | $84,000 | 829,448 Direct | -1.43% | Disposed | 43.3% (price as of 2026-10-02) |
| Nov. 1, 2019 | ATEC | S 10b5-1 | 3,320 | $7.01 | $23,273 | 841,448 Direct | -0.39% | Disposed | 43.1% (price as of 2026-10-02) |
| Oct. 31, 2019 | ATEC | S 10b5-1 | 32,000 | $6.75 | $216,000 | 844,768 Direct | -3.65% | Disposed | 48.6% (price as of 2026-10-02) |
| Sept. 14, 2019 | ATEC | F | 66,488 | $5.67 | $376,987 | 876,768 Direct | -7.05% | Disposed | 76.9% (price as of 2026-10-02) |
| Sept. 14, 2019 | ATEC | A | 182,144 | · | · | 943,256 Direct | +23.93% | Acquired | (price as of 2026-10-02) |
| Aug. 12, 2019 | ATEC | S 10b5-1 | 34,661 | $6.00 | $207,966 | 761,112 Direct | -4.36% | Disposed | 67.2% (price as of 2026-10-02) |
| Aug. 9, 2019 | ATEC | S 10b5-1 | 15,339 | $6.00 | $92,034 | 795,773 Direct | -1.89% | Disposed | 67.2% (price as of 2026-10-02) |
| Aug. 8, 2019 | ATEC | S 10b5-1 | 50,000 | $5.75 | $287,500 | 811,112 Direct | -5.81% | Disposed | 74.4% (price as of 2026-10-02) |
| July 26, 2019 | ATEC | M | 50,000 | · | · | 200,000 Direct | -20.00% | Disposed | (price as of 2026-10-02) |
| July 26, 2019 | ATEC | M | 50,000 | $2.00 | $100,000 | 861,112 Direct | +6.16% | Acquired | 401.5% (price as of 2026-10-02) |
Showing latest 100 of 117 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. 25, 2026 | ATEC | Restricted Stock Units [F5] | Common Stock | · | · | 63,689 | Acquired |
| Feb. 25, 2026 | ATEC | Restricted Stock Units [F6] | Common Stock | · | · | 63,689 | Acquired |
| Feb. 12, 2026 | ATEC | Employee Stock Option (right to buy) | Common Stock | $1.93 | June 15, 2027 | 31,710 | Disposed |
| Feb. 12, 2026 | ATEC | Employee Stock Option (right to buy) | Common Stock | $1.68 | July 26, 2027 | 120,248 | Disposed |
| Feb. 12, 2026 | ATEC | Employee Stock Option (right to buy) | Common Stock | $2.69 | July 30, 2028 | 78,249 | Disposed |
| Feb. 12, 2026 | ATEC | Employee Stock Option (right to buy) | Common Stock | $3.09 | Feb. 21, 2027 | 20,969 | Disposed |
| Dec. 10, 2024 | ATEC | Employee Stock Option (right to buy) | Common Stock | $1.93 | June 15, 2027 | 1,866 | Disposed |
| Dec. 10, 2024 | ATEC | Employee Stock Option (right to buy) | Common Stock | $1.68 | July 26, 2027 | 72,752 | Disposed |
| Dec. 10, 2024 | ATEC | Employee Stock Option (right to buy) | Common Stock | $2.69 | July 30, 2028 | 36,301 | Disposed |
| Feb. 17, 2023 | ATEC | Warrants (right to buy) | Common Stock | $3.50 | May 17, 2023 | 134,921 | Disposed |
| April 12, 2021 | ATEC | Warrants (right to buy) | Common Stock | $2.00 | June 15, 2022 | 100,000 | Disposed |
| Jan. 15, 2020 | ATEC | Warrants (right to buy) | Common Stock | $2.00 | · | 100,000 | Disposed |
| July 26, 2019 | ATEC | Warrants (right to buy) | Common Stock | $2.00 | · | 50,000 | Disposed |
| July 30, 2018 | ATEC | Employee Stock Option (right to buy) | Common Stock | $2.69 | July 30, 2028 | 114,550 | Acquired |
| May 17, 2018 | ATEC | Series B Convertible Preferred Stock | Common Stock | · | · | 500 | Disposed |
| March 8, 2018 | ATEC | Warrants (right to buy) | Common Stock | $3.50 | · | 134,921 | Acquired |
| March 8, 2018 | ATEC | Series B Convertible Preferred Stock | Common Stock | · | · | 500 | Acquired |
| July 26, 2017 | ATEC | Employee Stock Option (right to buy) | Common Stock | $1.68 | July 26, 2027 | 193,000 | Acquired |
| June 21, 2017 | ATEC | Series A Convertible Preferred Stock | Common Stock | $0.00 | · | 500 | Disposed |
| June 15, 2017 | ATEC | Employee Stock Option (right to buy) | Common Stock | $1.93 | June 15, 2027 | 33,576 | Acquired |
| March 29, 2017 | ATEC | Series A Convertible Preferred Stock | Common Stock | $2.00 | · | 500 | Acquired |
| March 29, 2017 | ATEC | Warrants (right to buy) | Common Stock | $2.00 | · | 250,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 3 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 | $498,625 | · | · | · | $257,500 | · | $1,047,777 | $6,319,872 |
| 2024 | $482,385 | · | · | · | $180,000 | · | $222,471 | $3,417,233 |
| 2023 | $470,000 | · | · | · | $500,000 | · | $165,735 | $4,569,021 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.