Mark Q Prindiville
Insider
First SEC filing: May 14, 2020 · Latest: May 27, 2026
Insider at
Insider transactions
0 buys (P)
1 sells (S)
Net: $-335,218
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 |
|---|---|---|---|---|---|---|---|---|---|
| May 22, 2026 | ALL | M | 1,550 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| May 22, 2026 | ALL | S | 1,550 | $216.27 | $335,218 | 27,558 Direct | -5.32% | Disposed | 3.9% (price as of 2026-10-06) |
| May 22, 2026 | ALL | M | 1,550 | $69.31 | $107,430 | 29,108 Direct | +5.62% | Acquired | 224.1% (price as of 2026-10-06) |
| Feb. 24, 2026 | ALL | M | 402 | · | · | 806 Direct | -33.28% | Disposed | (price as of 2026-10-06) |
| Feb. 24, 2026 | ALL | F | 169 | $209.82 | $35,460 | 27,558 Direct | -0.61% | Disposed | 7.1% (price as of 2026-10-06) |
| Feb. 24, 2026 | ALL | M | 402 | · | · | 27,727 Direct | +1.47% | Acquired | (price as of 2026-10-06) |
| Feb. 21, 2026 | ALL | M | 571 | · | · | 571 Direct | -50.00% | Disposed | (price as of 2026-10-06) |
| Feb. 21, 2026 | ALL | F | 240 | $206.37 | $49,529 | 27,325 Direct | -0.87% | Disposed | 8.9% (price as of 2026-10-06) |
| Feb. 21, 2026 | ALL | M | 571 | · | · | 27,565 Direct | +2.12% | Acquired | (price as of 2026-10-06) |
| Feb. 19, 2026 | ALL | A | 1,181 | · | · | 1,181 Direct | · | Acquired | (price as of 2026-10-06) |
| Feb. 19, 2026 | ALL | A | 4,840 | · | · | 4,840 Direct | · | Acquired | (price as of 2026-10-06) |
| Feb. 13, 2026 | ALL | F | 2,513 | $207.51 | $521,473 | 26,994 Direct | -8.52% | Disposed | 8.3% (price as of 2026-10-06) |
| Feb. 13, 2026 | ALL | A | 7,233 | · | · | 29,507 Direct | +32.47% | Acquired | (price as of 2026-10-06) |
| Aug. 22, 2025 | ALL | M | 7,383 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Aug. 22, 2025 | ALL | S | 115 | $208.26 | $23,950 | 22,274 Direct | -0.51% | Disposed | 7.9% (price as of 2026-10-06) |
| Aug. 22, 2025 | ALL | S | 2,984 | $207.31 | $618,613 | 22,389 Direct | -11.76% | Disposed | 8.4% (price as of 2026-10-06) |
| Aug. 22, 2025 | ALL | S | 1,265 | $206.82 | $261,627 | 25,373 Direct | -4.75% | Disposed | 8.6% (price as of 2026-10-06) |
| Aug. 22, 2025 | ALL | S | 3,019 | $205.33 | $619,891 | 26,638 Direct | -10.18% | Disposed | 9.4% (price as of 2026-10-06) |
| Aug. 22, 2025 | ALL | M | 7,383 | $62.32 | $460,109 | 29,657 Direct | +33.15% | Acquired | 260.5% (price as of 2026-10-06) |
| Feb. 24, 2025 | ALL | A | 4,698 | · | · | 4,698 Direct | · | Acquired | (price as of 2026-10-06) |
| Feb. 24, 2025 | ALL | A | 1,208 | · | · | 1,208 Direct | · | Acquired | (price as of 2026-10-06) |
| Feb. 21, 2025 | ALL | M | 570 | · | · | 1,142 Direct | -33.29% | Disposed | (price as of 2026-10-06) |
| Feb. 21, 2025 | ALL | F | 154 | $185.66 | $28,592 | 22,274 Direct | -0.69% | Disposed | 21.0% (price as of 2026-10-06) |
| Feb. 21, 2025 | ALL | M | 570 | · | · | 22,428 Direct | +2.61% | Acquired | (price as of 2026-10-06) |
| Feb. 14, 2025 | ALL | F | 923 | $187.63 | $173,182 | 21,858 Direct | -4.05% | Disposed | 19.7% (price as of 2026-10-06) |
| Feb. 14, 2025 | ALL | A | 3,043 | · | · | 22,781 Direct | +15.42% | Acquired | (price as of 2026-10-06) |
| Feb. 21, 2024 | ALL | A | 1,712 | · | · | 1,712 Direct | · | Acquired | (price as of 2026-10-06) |
| Feb. 21, 2024 | ALL | A | 6,892 | · | · | 6,892 Direct | · | Acquired | (price as of 2026-10-06) |
| Feb. 21, 2024 | ALL | A | 1,393 | · | · | 1,393 Direct | · | Acquired | (price as of 2026-10-06) |
| Feb. 21, 2024 | ALL | A | 5,749 | · | · | 5,749 Direct | · | Acquired | (price as of 2026-10-06) |
| Feb. 18, 2024 | ALL | F | 488 | $161.78 | $78,949 | 19,738 Direct | -2.41% | Disposed | 38.9% (price as of 2026-10-06) |
| Feb. 18, 2024 | ALL | A | 1,549 | · | · | 20,226 Direct | +8.29% | Acquired | (price as of 2026-10-06) |
| Nov. 21, 2023 | ALL | M | 6,935 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Nov. 21, 2023 | ALL | M | 4,016 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Nov. 21, 2023 | ALL | S | 10,951 | $135.43 | $1,483,094 | 18,677 Direct | -36.96% | Disposed | 65.9% (price as of 2026-10-06) |
| Nov. 21, 2023 | ALL | M | 6,935 | $70.71 | $490,374 | 29,628 Direct | +30.56% | Acquired | 217.7% (price as of 2026-10-06) |
| Nov. 21, 2023 | ALL | M | 4,016 | $52.18 | $209,555 | 22,693 Direct | +21.50% | Acquired | 330.5% (price as of 2026-10-06) |
| June 3, 2023 | ALL | A | 1,510 | · | · | 19,120 Direct | +8.57% | Acquired | (price as of 2026-10-06) |
| June 3, 2023 | ALL | F | 443 | $110.08 | $48,765 | 18,677 Direct | -2.32% | Disposed | 104.1% (price as of 2026-10-06) |
| Feb. 19, 2023 | ALL | A | 2,401 | · | · | 18,069 Direct | +15.32% | Acquired | (price as of 2026-10-06) |
| Feb. 19, 2023 | ALL | M | 388 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Feb. 19, 2023 | ALL | F | 105 | $135.05 | $14,180 | 17,610 Direct | -0.59% | Disposed | 66.3% (price as of 2026-10-06) |
| Feb. 19, 2023 | ALL | M | 388 | · | · | 17,715 Direct | +2.24% | Acquired | (price as of 2026-10-06) |
| Feb. 19, 2023 | ALL | F | 742 | $135.05 | $100,207 | 17,327 Direct | -4.11% | Disposed | 66.3% (price as of 2026-10-06) |
| Feb. 16, 2023 | ALL | A | 13,295 | · | · | 13,295 Direct | · | Acquired | (price as of 2026-10-06) |
| Oct. 3, 2022 | ALL | M | 210 | · | · | 15,762 Direct | +1.35% | Acquired | (price as of 2026-10-06) |
| Oct. 3, 2022 | ALL | F | 94 | $124.53 | $11,706 | 15,668 Direct | -0.60% | Disposed | 80.4% (price as of 2026-10-06) |
| Oct. 3, 2022 | ALL | M | 210 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Sept. 8, 2022 | ALL | M | 5,511 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Sept. 8, 2022 | ALL | S | 5,511 | $125.93 | $694,000 | 15,552 Direct | -26.16% | Disposed | 78.4% (price as of 2026-10-06) |
| Sept. 8, 2022 | ALL | M | 5,511 | · | · | 21,063 Direct | +35.44% | Acquired | (price as of 2026-10-06) |
| Feb. 19, 2022 | ALL | M | 387 | · | · | 388 Direct | -49.94% | Disposed | (price as of 2026-10-06) |
| Feb. 19, 2022 | ALL | F | 114 | $125.89 | $14,351 | 15,552 Direct | -0.73% | Disposed | 78.4% (price as of 2026-10-06) |
| Feb. 19, 2022 | ALL | M | 387 | · | · | 15,666 Direct | +2.53% | Acquired | (price as of 2026-10-06) |
| Feb. 17, 2022 | ALL | A | 19,066 | · | · | 19,066 Direct | · | Acquired | (price as of 2026-10-06) |
| Feb. 7, 2022 | ALL | F | 1,472 | $124.76 | $183,647 | 15,279 Direct | -8.79% | Disposed | 80.1% (price as of 2026-10-06) |
| Feb. 7, 2022 | ALL | A | 4,900 | · | · | 16,751 Direct | +41.35% | Acquired | (price as of 2026-10-06) |
| Feb. 22, 2021 | ALL | A | 4,874 | · | · | 13,324 Direct | +57.68% | Acquired | (price as of 2026-10-06) |
| Feb. 22, 2021 | ALL | F | 1,473 | $103.45 | $152,382 | 11,851 Direct | -11.06% | Disposed | 117.2% (price as of 2026-10-06) |
| Feb. 19, 2021 | ALL | M | 387 | · | · | 775 Direct | -33.30% | Disposed | (price as of 2026-10-06) |
| Feb. 19, 2021 | ALL | F | 114 | $103.45 | $11,793 | 8,450 Direct | -1.33% | Disposed | 117.2% (price as of 2026-10-06) |
| Feb. 19, 2021 | ALL | M | 387 | · | · | 8,564 Direct | +4.73% | Acquired | (price as of 2026-10-06) |
| Feb. 18, 2021 | ALL | A | 22,540 | · | · | 22,540 Direct | · | Acquired | (price as of 2026-10-06) |
| June 3, 2020 | ALL | A | 5,394 | · | · | 5,394 Direct | · | Acquired | (price as of 2026-10-06) |
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 |
|---|---|---|---|---|---|---|---|
| May 22, 2026 | ALL | Employee Stock Option (Right to Buy) | Common Stock | $69.31 | Sept. 6, 2026 | 1,550 | Disposed |
| Feb. 24, 2026 | ALL | Restricted Stock Units | Common Stock | · | Feb. 24, 2028 | 402 | Disposed |
| Feb. 21, 2026 | ALL | Restricted Stock Units | Common Stock | · | Feb. 21, 2027 | 571 | Disposed |
| Feb. 19, 2026 | ALL | Restricted Stock Units | Common Stock | · | Feb. 19, 2029 | 1,181 | Acquired |
| Feb. 19, 2026 | ALL | Employee Stock Option (Right to Buy) | Common Stock | $203.22 | Feb. 19, 2036 | 4,840 | Acquired |
| Aug. 22, 2025 | ALL | Employee Stock Option (Right to Buy) | Common Stock | $62.32 | Feb. 11, 2026 | 7,383 | Disposed |
| Feb. 24, 2025 | ALL | Employee Stock Option (Right to Buy) | Common Stock | $188.75 | Feb. 24, 2035 | 4,698 | Acquired |
| Feb. 24, 2025 | ALL | Restricted Stock Units | Common Stock | · | Feb. 24, 2028 | 1,208 | Acquired |
| Feb. 21, 2025 | ALL | Restricted Stock Units | Common Stock | · | Feb. 21, 2027 | 570 | Disposed |
| Feb. 21, 2024 | ALL | Restricted Stock Units | Common Stock | · | Feb. 21, 2027 | 1,712 | Acquired |
| Feb. 21, 2024 | ALL | Employee Stock Option (Right to Buy) | Common Stock | $159.17 | Feb. 21, 2034 | 6,892 | Acquired |
| Feb. 21, 2024 | ALL | Restricted Stock Units | Common Stock | · | Feb. 21, 2027 | 1,393 | Acquired |
| Feb. 21, 2024 | ALL | Employee Stock Option (Right to Buy) | Common Stock | $159.17 | Feb. 21, 2034 | 5,749 | Acquired |
| Nov. 21, 2023 | ALL | Employee Stock Option (Right to Buy) | Common Stock | $70.71 | Feb. 18, 2025 | 6,935 | Disposed |
| Nov. 21, 2023 | ALL | Employee Stock Option (Right to Buy) | Common Stock | $52.18 | Feb. 18, 2024 | 4,016 | Disposed |
| Feb. 19, 2023 | ALL | Restricted Stock Units | Common Stock | · | Feb. 19, 2023 | 388 | Disposed |
| Feb. 16, 2023 | ALL | Employee Stock Option (Right to Buy) | Common Stock | $137.10 | Feb. 16, 2033 | 13,295 | Acquired |
| Oct. 3, 2022 | ALL | Restricted Stock Units | Common Stock | · | Oct. 3, 2022 | 210 | Disposed |
| Sept. 8, 2022 | ALL | Employee Stock Option (Right to Buy) | Common Stock | $45.61 | Feb. 12, 2023 | 5,511 | Disposed |
| Feb. 19, 2022 | ALL | Restricted Stock Units | Common Stock | · | Feb. 19, 2023 | 387 | Disposed |
| Feb. 17, 2022 | ALL | Employee Stock Option (Right to Buy) | Common Stock | $122.64 | Feb. 17, 2032 | 19,066 | Acquired |
| Feb. 19, 2021 | ALL | Restricted Stock Units | Common Stock | · | Feb. 19, 2023 | 387 | Disposed |
| Feb. 18, 2021 | ALL | Employee Stock Option (Right to Buy) | Common Stock | $105.08 | Feb. 18, 2031 | 22,540 | Acquired |
| June 3, 2020 | ALL | Employee Stock Option (Right to Buy) | Common Stock | $100.41 | June 3, 2030 | 5,394 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 13 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| May 14, 2020 | ALL | Common Stock | 8,177 | Direct |
| May 14, 2020 | ALL | Employee Stock Option (Right to Buy) | 5,511 | Direct |
| May 14, 2020 | ALL | Employee Stock Option (Right to Buy) | 4,016 | Direct |
| May 14, 2020 | ALL | Employee Stock Option (Right to Buy) | 6,935 | Direct |
| May 14, 2020 | ALL | Employee Stock Option (Right to Buy) | 7,383 | Direct |
| May 14, 2020 | ALL | Employee Stock Option (Right to Buy) | 1,550 | Direct |
| May 14, 2020 | ALL | Employee Stock Option (Right to Buy) | 9,662 | Direct |
| May 14, 2020 | ALL | Employee Stock Option (Right to Buy) | 8,847 | Direct |
| May 14, 2020 | ALL | Employee Stock Option (Right to Buy) | 10,109 | Direct |
| May 14, 2020 | ALL | Employee Stock Option (Right to Buy) | 1,391 | Direct |
| May 14, 2020 | ALL | Employee Stock Option (Right to Buy) | 5,260 | Direct |
| May 14, 2020 | ALL | Restricted Stock Units | 210 | Direct |
| May 14, 2020 | ALL | Restricted Stock Units | 1,162 | Direct |