Shiela Vinczeller
First SEC filing: Nov. 6, 2018 · Latest: June 5, 2026
Insider at
Insider transactions
Price change vs the latest weekly close (updated to the current quote in your browser when available), 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. 2, 2026 | ATR | S | 765 | $130.37 | $99,733 | 26,313 Direct | -2.83% | Disposed | -2.9% (price as of ) |
| June 4, 2026 | ATR | S | 2,957 | $112.36 | $332,249 | 27,676 Direct | -9.65% | Disposed | 12.6% (price as of ) |
| June 4, 2026 | ATR | S | 385 | $113.52 | $43,705 | 27,291 Direct | -1.39% | Disposed | 11.5% (price as of ) |
| June 4, 2026 | ATR | S | 213 | $114.53 | $24,395 | 27,078 Direct | -0.78% | Disposed | 10.5% (price as of ) |
| May 1, 2026 | ATR | A | 6,032 | · | · | 32,783 Direct | +22.55% | Acquired | |
| May 1, 2026 | ATR | F | 2,150 | $119.02 | $255,893 | 30,633 Direct | -6.56% | Disposed | 6.3% (price as of ) |
| March 19, 2026 | ATR | A | 1,694 | · | · | 26,751 Direct | +6.76% | Acquired | |
| March 19, 2026 | ATR | A | 6,592 | · | · | 6,592 Direct | · | Acquired | |
| March 17, 2026 | ATR | F | 139 | $129.50 | $18,000 | 25,057 Direct | -0.55% | Disposed | -2.3% (price as of ) |
| March 15, 2026 | ATR | F | 333 | $128.65 | $42,840 | 25,196 Direct | -1.30% | Disposed | -1.6% (price as of ) |
| Feb. 25, 2026 | ATR | F | 96 | $142.68 | $13,697 | 24,651 Direct | -0.39% | Disposed | -11.3% (price as of ) |
| Feb. 25, 2026 | ATR | A | 878 | · | · | 25,529 Direct | +3.56% | Acquired | |
| Feb. 24, 2026 | ATR | F | 219 | $144.14 | $31,567 | 24,747 Direct | -0.88% | Disposed | -12.2% (price as of ) |
| Feb. 23, 2026 | ATR | F | 168 | $145.72 | $24,481 | 24,966 Direct | -0.67% | Disposed | -13.2% (price as of ) |
| Sept. 5, 2025 | ATR | S | 1,167 | $137.97 | $161,011 | 25,134 Direct | -4.44% | Disposed | -8.3% (price as of ) |
| May 7, 2025 | ATR | S | 995 | $152.42 | $151,658 | 26,301 Direct | -3.65% | Disposed | -17.0% (price as of ) |
| May 2, 2025 | ATR | A | 6,013 | · | · | 29,829 Direct | +25.25% | Acquired | |
| May 2, 2025 | ATR | F | 2,533 | $152.00 | $385,016 | 27,296 Direct | -8.49% | Disposed | -16.7% (price as of ) |
| March 17, 2025 | ATR | F | 333 | $147.84 | $49,231 | 22,393 Direct | -1.47% | Disposed | -14.4% (price as of ) |
| March 17, 2025 | ATR | A | 1,423 | · | · | 23,816 Direct | +6.35% | Acquired | |
| March 17, 2025 | ATR | A | 5,404 | · | · | 5,404 Direct | · | Acquired | |
| March 14, 2025 | ATR | F | 274 | $146.66 | $40,185 | 22,726 Direct | -1.19% | Disposed | -13.7% (price as of ) |
| Feb. 25, 2025 | ATR | F | 244 | $147.71 | $36,041 | 22,022 Direct | -1.10% | Disposed | -14.3% (price as of ) |
| Feb. 25, 2025 | ATR | A | 978 | · | · | 23,000 Direct | +4.44% | Acquired | |
| Feb. 24, 2025 | ATR | F | 385 | $145.61 | $56,060 | 22,266 Direct | -1.70% | Disposed | -13.1% (price as of ) |
| Aug. 26, 2024 | ATR | S | 1,660 | $151.15 | $250,909 | 22,651 Direct | -6.83% | Disposed | -16.3% (price as of ) |
| April 26, 2024 | ATR | A | 2,717 | · | · | 25,228 Direct | +12.07% | Acquired | |
| April 26, 2024 | ATR | F | 917 | $143.33 | $131,434 | 24,311 Direct | -3.63% | Disposed | -11.7% (price as of ) |
| March 22, 2024 | ATR | F | 212 | $141.59 | $30,017 | 22,511 Direct | -0.93% | Disposed | -10.6% (price as of ) |
| March 15, 2024 | ATR | F | 176 | $141.00 | $24,816 | 21,122 Direct | -0.83% | Disposed | -10.2% (price as of ) |
| March 15, 2024 | ATR | A | 1,601 | · | · | 22,723 Direct | +7.58% | Acquired | |
| March 15, 2024 | ATR | A | 6,241 | · | · | 6,241 Direct | · | Acquired | |
| March 14, 2024 | ATR | F | 273 | $140.93 | $38,474 | 21,298 Direct | -1.27% | Disposed | -10.2% (price as of ) |
| Feb. 26, 2024 | ATR | F | 605 | $141.92 | $85,862 | 21,571 Direct | -2.73% | Disposed | -10.8% (price as of ) |
| Feb. 23, 2024 | ATR | A | 1,709 | · | · | 22,176 Direct | +8.35% | Acquired | |
| Aug. 2, 2023 | ATR | S | 2,000 | $121.08 | $242,160 | 20,467 Direct | -8.90% | Disposed | 4.5% (price as of ) |
| April 28, 2023 | ATR | A | 3,079 | · | · | 23,370 Direct | +15.17% | Acquired | |
| April 28, 2023 | ATR | F | 903 | $118.51 | $107,015 | 22,467 Direct | -3.86% | Disposed | 6.8% (price as of ) |
| March 23, 2023 | ATR | F | 351 | $111.72 | $39,214 | 20,291 Direct | -1.70% | Disposed | 13.3% (price as of ) |
| March 22, 2023 | ATR | F | 211 | $112.25 | $23,685 | 20,642 Direct | -1.01% | Disposed | 12.7% (price as of ) |
| March 15, 2023 | ATR | A | 1,800 | · | · | 20,853 Direct | +9.45% | Acquired | |
| March 15, 2023 | ATR | A | 8,983 | · | · | 8,983 Direct | · | Acquired | |
| March 14, 2023 | ATR | F | 270 | $115.08 | $31,072 | 19,053 Direct | -1.40% | Disposed | 10.0% (price as of ) |
| Feb. 25, 2023 | ATR | F | 484 | $116.69 | $56,478 | 19,323 Direct | -2.44% | Disposed | 8.4% (price as of ) |
| Feb. 24, 2023 | ATR | A | 2,222 | · | · | 19,807 Direct | +12.64% | Acquired | |
| April 29, 2022 | ATR | A | 1,465 | · | · | 18,015 Direct | +8.85% | Acquired | |
| April 29, 2022 | ATR | F | 430 | $115.85 | $49,816 | 17,585 Direct | -2.39% | Disposed | 9.2% (price as of ) |
| March 25, 2022 | ATR | F | 269 | $117.24 | $31,538 | 16,550 Direct | -1.60% | Disposed | 7.9% (price as of ) |
| March 23, 2022 | ATR | F | 351 | $114.67 | $40,249 | 16,819 Direct | -2.04% | Disposed | 10.4% (price as of ) |
| March 22, 2022 | ATR | F | 211 | $117.67 | $24,828 | 17,170 Direct | -1.21% | Disposed | 7.5% (price as of ) |
| March 14, 2022 | ATR | A | 2,794 | · | · | 17,381 Direct | +19.15% | Acquired | |
| Feb. 25, 2022 | ATR | F | 168 | $120.97 | $20,323 | 12,102 Direct | -1.37% | Disposed | 4.6% (price as of ) |
| Feb. 25, 2022 | ATR | A | 2,485 | · | · | 14,587 Direct | +20.53% | Acquired | |
| Nov. 5, 2021 | ATR | F | 379 | $131.50 | $49,838 | 12,270 Direct | -3.00% | Disposed | -3.8% (price as of ) |
| March 25, 2021 | ATR | F | 269 | $142.47 | $38,324 | 12,649 Direct | -2.08% | Disposed | -11.2% (price as of ) |
| March 23, 2021 | ATR | F | 350 | $140.77 | $49,270 | 12,918 Direct | -2.64% | Disposed | -10.1% (price as of ) |
| March 22, 2021 | ATR | A | 2,161 | · | · | 13,268 Direct | +19.46% | Acquired | |
| Feb. 25, 2021 | ATR | A | 713 | · | · | 11,253 Direct | +6.76% | Acquired | |
| Feb. 25, 2021 | ATR | F | 146 | $130.30 | $19,024 | 11,107 Direct | -1.30% | Disposed | -2.9% (price as of ) |
| Nov. 5, 2020 | ATR | F | 379 | $122.91 | $46,583 | 10,540 Direct | -3.47% | Disposed | 3.0% (price as of ) |
| March 26, 2020 | ATR | F | 269 | $90.18 | $24,258 | 10,919 Direct | -2.40% | Disposed | 40.3% (price as of ) |
| March 23, 2020 | ATR | A | 3,584 | · | · | 11,188 Direct | +47.13% | Acquired | |
| Feb. 25, 2020 | ATR | A | 1,361 | · | · | 7,604 Direct | +21.80% | Acquired | |
| Nov. 6, 2019 | ATR | F | 379 | $108.66 | $41,182 | 6,243 Direct | -5.72% | Disposed | 16.5% (price as of ) |
| March 25, 2019 | ATR | A | 2,746 | · | · | 6,622 Direct | +70.85% | Acquired | |
| Nov. 5, 2018 | ATR | A | 3,876 | · | · | 3,876 Direct | · | Acquired |
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 |
|---|---|---|---|---|---|---|---|
| March 19, 2026 | ATR | Stock Option | Common Stock | $123.97 | March 19, 2036 | 6,592 | Acquired |
| March 17, 2025 | ATR | Stock Option | Common Stock | $147.84 | March 17, 2035 | 5,404 | Acquired |
| March 15, 2024 | ATR | Stock Option | Common Stock | $141.00 | March 15, 2034 | 6,241 | Acquired |
| March 15, 2023 | ATR | Stock Option | Common Stock | $122.52 | March 15, 2033 | 8,983 | 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. 6, 2018 | ATR | Common Stock | 3,876 | Direct |