Marc Prieur
First SEC filing: June 22, 2018 · Latest: June 10, 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 |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 4, 2026 | ATR | S | 3,376 | $136.23 | $459,912 | 15,947 Direct | -17.47% | Disposed | -7.1% (price as of ) |
| Aug. 4, 2026 | ATR | S | 124 | $137.10 | $17,000 | 15,823 Direct | -0.78% | Disposed | -7.7% (price as of ) |
| June 9, 2026 | ATR | S | 4,553 | $115.53 | $526,008 | 19,770 Direct | -18.72% | Disposed | 9.5% (price as of ) |
| June 9, 2026 | ATR | S | 447 | $116.08 | $51,888 | 19,323 Direct | -2.26% | Disposed | 9.0% (price as of ) |
| May 1, 2026 | ATR | A | 7,969 | · | · | 24,323 Direct | +48.73% | Acquired | |
| March 19, 2026 | ATR | A | 2,609 | · | · | 16,354 Direct | +18.98% | Acquired | |
| March 19, 2026 | ATR | A | 10,153 | · | · | 10,153 Direct | · | Acquired | |
| Feb. 10, 2026 | ATR | S | 2,000 | $137.81 | $275,620 | 13,745 Direct | -12.70% | Disposed | -8.2% (price as of ) |
| June 13, 2025 | ATR | S | 2,000 | $152.80 | $305,600 | 15,745 Direct | -11.27% | Disposed | -17.2% (price as of ) |
| May 20, 2025 | ATR | S | 6,000 | $158.34 | $950,040 | 17,745 Direct | -25.27% | Disposed | -20.1% (price as of ) |
| May 2, 2025 | ATR | A | 8,116 | · | · | 23,745 Direct | +51.93% | Acquired | |
| March 17, 2025 | ATR | A | 1,865 | · | · | 15,629 Direct | +13.55% | Acquired | |
| March 17, 2025 | ATR | A | 7,081 | · | · | 7,081 Direct | · | Acquired | |
| Nov. 12, 2024 | ATR | M | 2,000 | $74.79 | $149,580 | 14,616 Direct | +15.85% | Acquired | 69.2% (price as of ) |
| Nov. 12, 2024 | ATR | S | 852 | $175.79 | $149,773 | 13,764 Direct | -5.83% | Disposed | -28.0% (price as of ) |
| Nov. 12, 2024 | ATR | M | 2,000 | · | · | 4,500 Direct | -30.77% | Disposed | |
| Oct. 29, 2024 | ATR | S | 4,000 | $168.28 | $673,120 | 12,616 Direct | -24.07% | Disposed | -24.8% (price as of ) |
| Aug. 29, 2024 | ATR | M | 3,500 | $71.12 | $248,920 | 20,116 Direct | +21.06% | Acquired | 77.9% (price as of ) |
| Aug. 29, 2024 | ATR | S | 3,500 | $152.31 | $533,085 | 16,616 Direct | -17.40% | Disposed | -16.9% (price as of ) |
| Aug. 29, 2024 | ATR | M | 3,500 | · | · | 0 Direct | -100.00% | Disposed | |
| May 7, 2024 | ATR | S | 3,200 | $148.92 | $476,544 | 16,616 Direct | -16.15% | Disposed | -15.0% (price as of ) |
| April 26, 2024 | ATR | A | 3,759 | · | · | 19,816 Direct | +23.41% | Acquired | |
| March 15, 2024 | ATR | A | 2,229 | · | · | 16,057 Direct | +16.12% | Acquired | |
| March 15, 2024 | ATR | A | 8,689 | · | · | 8,689 Direct | · | Acquired | |
| Dec. 7, 2023 | ATR | S | 3,200 | $126.24 | $403,968 | 13,828 Direct | -18.79% | Disposed | 0.2% (price as of ) |
| Aug. 7, 2023 | ATR | S | 8,000 | $121.00 | $968,000 | 17,028 Direct | -31.96% | Disposed | 4.6% (price as of ) |
| May 5, 2023 | ATR | S | 6,000 | $119.00 | $714,000 | 25,028 Direct | -19.34% | Disposed | 6.3% (price as of ) |
| April 28, 2023 | ATR | A | 4,013 | · | · | 31,028 Direct | +14.85% | Acquired | |
| March 15, 2023 | ATR | A | 2,378 | · | · | 27,015 Direct | +9.65% | Acquired | |
| March 15, 2023 | ATR | A | 11,866 | · | · | 11,866 Direct | · | Acquired | |
| April 29, 2022 | ATR | A | 1,476 | · | · | 24,637 Direct | +6.37% | Acquired | |
| March 14, 2022 | ATR | A | 3,772 | · | · | 23,161 Direct | +19.45% | Acquired | |
| May 7, 2021 | ATR | M | 2,000 | $64.60 | $129,200 | 22,311 Direct | +9.85% | Acquired | 95.9% (price as of ) |
| May 7, 2021 | ATR | S | 2,000 | $157.47 | $314,940 | 20,311 Direct | -8.96% | Disposed | -19.6% (price as of ) |
| May 7, 2021 | ATR | M | 3,000 | $71.12 | $213,360 | 23,311 Direct | +14.77% | Acquired | 77.9% (price as of ) |
| May 7, 2021 | ATR | S | 3,000 | $157.47 | $472,410 | 20,311 Direct | -12.87% | Disposed | -19.6% (price as of ) |
| May 7, 2021 | ATR | S | 922 | $157.47 | $145,187 | 19,389 Direct | -4.54% | Disposed | -19.6% (price as of ) |
| May 7, 2021 | ATR | M | 2,000 | · | · | 0 Direct | -100.00% | Disposed | |
| May 7, 2021 | ATR | M | 3,000 | · | · | 3,500 Direct | -46.15% | Disposed | |
| March 22, 2021 | ATR | A | 2,989 | · | · | 20,311 Direct | +17.26% | Acquired | |
| March 12, 2021 | ATR | M | 6,500 | $68.00 | $442,000 | 20,496 Direct | +46.44% | Acquired | 86.1% (price as of ) |
| March 12, 2021 | ATR | S | 3,174 | $139.44 | $442,583 | 17,322 Direct | -15.49% | Disposed | -9.2% (price as of ) |
| March 12, 2021 | ATR | M | 6,500 | · | · | 0 Direct | -100.00% | Disposed | |
| Feb. 26, 2021 | ATR | A | 1,346 | · | · | 13,996 Direct | +10.64% | Acquired | |
| Feb. 24, 2021 | ATR | A | 529 | · | · | 12,650 Direct | +4.36% | Acquired | |
| Jan. 14, 2021 | ATR | A | 2,220 | · | · | 12,121 Direct | +22.42% | Acquired | |
| Dec. 9, 2020 | ATR | M | 2,500 | $64.60 | $161,500 | 13,927 Direct | +21.88% | Acquired | 95.9% (price as of ) |
| Dec. 9, 2020 | ATR | S | 2,500 | $129.03 | $322,575 | 11,427 Direct | -17.95% | Disposed | -1.9% (price as of ) |
| Dec. 9, 2020 | ATR | S | 1,526 | $129.03 | $196,900 | 9,901 Direct | -13.35% | Disposed | -1.9% (price as of ) |
| Dec. 9, 2020 | ATR | M | 2,500 | · | · | 2,000 Direct | -55.56% | Disposed | |
| May 27, 2020 | ATR | S | 1,583 | $111.04 | $175,776 | 11,427 Direct | -12.17% | Disposed | 14.0% (price as of ) |
| March 23, 2020 | ATR | A | 4,671 | · | · | 13,010 Direct | +56.01% | Acquired | |
| Dec. 2, 2019 | ATR | A | 4,579 | · | · | 8,339 Direct | +121.78% | Acquired | |
| June 25, 2019 | ATR | M | 2,000 | $64.60 | $129,200 | 5,760 Direct | +53.19% | Acquired | 95.9% (price as of ) |
| June 25, 2019 | ATR | S | 2,000 | $121.27 | $242,540 | 3,760 Direct | -34.72% | Disposed | 4.4% (price as of ) |
| June 25, 2019 | ATR | M | 2,000 | · | · | 4,500 Direct | -30.77% | Disposed | |
| March 25, 2019 | ATR | A | 2,767 | · | · | 4,431 Direct | +166.29% | Acquired | |
| July 31, 2018 | ATR | S | 800 | $102.48 | $81,984 | 193 Direct | -80.56% | Disposed | 23.5% (price as of ) |
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 | 10,153 | Acquired |
| March 17, 2025 | ATR | Stock Option | Common Stock | $147.84 | March 17, 2035 | 7,081 | Acquired |
| Nov. 12, 2024 | ATR | Stock Option | Common Stock | $74.79 | Feb. 10, 2027 | 2,000 | Disposed |
| Aug. 29, 2024 | ATR | Stock Option | Common Stock | $71.12 | Feb. 5, 2026 | 3,500 | Disposed |
| March 15, 2024 | ATR | Stock Options | Common Stock | $141.00 | March 15, 2034 | 8,689 | Acquired |
| March 15, 2023 | ATR | Stock Option | Common Stock | $122.52 | March 15, 2033 | 11,866 | Acquired |
| May 7, 2021 | ATR | Stock Option | Common Stock | $64.60 | Jan. 14, 2025 | 2,000 | Disposed |
| May 7, 2021 | ATR | Stock Option | Common Stock | $71.12 | Feb. 5, 2026 | 3,000 | Disposed |
| March 12, 2021 | ATR | Stock Option | Common Stock | $68.00 | Jan. 15, 2024 | 6,500 | Disposed |
| Dec. 9, 2020 | ATR | Stock Option | Common Stock | $64.60 | Jan. 14, 2025 | 2,500 | Disposed |
| June 25, 2019 | ATR | Stock Option | Common Stock | $64.60 | Jan. 14, 2025 | 2,000 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 5 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 |
|---|---|---|---|---|---|---|---|---|
| 2020 | $568,757 | · | · | · | $40,985 | $119,317 | $20,924 | $2,517,628 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.