David K. Wells
First SEC filing: Sept. 7, 2017 · Latest: Aug. 14, 2025
Insider at
Insider transactions
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 |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 18, 2026 | AIT | S | 1,812 | $355.10 | $643,441 | 32,050 Direct | -5.35% | Disposed | -2.6% (price as of 2026-10-05) |
| Aug. 11, 2026 | AIT | A | 651 | · | · | 32,879 Direct | +2.02% | Acquired | (price as of 2026-10-05) |
| Aug. 11, 2026 | AIT | A | 1,870 | · | · | 34,749 Direct | +5.69% | Acquired | (price as of 2026-10-05) |
| Aug. 11, 2026 | AIT | F | 887 | $352.35 | $312,534 | 33,862 Direct | -2.55% | Disposed | -1.9% (price as of 2026-10-05) |
| Aug. 11, 2026 | AIT | A | 2,153 | · | · | 2,153 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 8, 2026 | AIT | F | 573 | $359.90 | $206,223 | 32,228 Direct | -1.75% | Disposed | -3.9% (price as of 2026-10-05) |
| Aug. 12, 2025 | AIT | A | 2,664 | · | · | 2,664 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 12, 2025 | AIT | F | 1,914 | $270.68 | $518,082 | 32,801 Direct | -5.51% | Disposed | 27.7% (price as of 2026-10-05) |
| Aug. 12, 2025 | AIT | A | 2,608 | · | · | 34,715 Direct | +8.12% | Acquired | (price as of 2026-10-05) |
| Aug. 12, 2025 | AIT | A | 866 | · | · | 32,107 Direct | +2.77% | Acquired | (price as of 2026-10-05) |
| Aug. 9, 2025 | AIT | F | 516 | $263.13 | $135,775 | 31,241 Direct | -1.62% | Disposed | 31.4% (price as of 2026-10-05) |
| Aug. 13, 2024 | AIT | A | 3,380 | · | · | 3,380 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 13, 2024 | AIT | F | 3,008 | $197.43 | $593,869 | 31,757 Direct | -8.65% | Disposed | 75.1% (price as of 2026-10-05) |
| Aug. 13, 2024 | AIT | A | 4,825 | · | · | 34,765 Direct | +16.12% | Acquired | (price as of 2026-10-05) |
| Aug. 13, 2024 | AIT | A | 1,032 | · | · | 29,940 Direct | +3.57% | Acquired | (price as of 2026-10-05) |
| Aug. 10, 2024 | AIT | F | 734 | $197.00 | $144,598 | 28,908 Direct | -2.48% | Disposed | 75.5% (price as of 2026-10-05) |
| Aug. 11, 2023 | AIT | F | 1,101 | $152.60 | $168,013 | 29,642 Direct | -3.58% | Disposed | 126.6% (price as of 2026-10-05) |
| Aug. 8, 2023 | AIT | A | 4,029 | · | · | 4,029 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 8, 2023 | AIT | F | 4,768 | $142.92 | $681,443 | 30,743 Direct | -13.43% | Disposed | 141.9% (price as of 2026-10-05) |
| Aug. 8, 2023 | AIT | A | 7,639 | · | · | 35,511 Direct | +27.41% | Acquired | (price as of 2026-10-05) |
| Aug. 8, 2023 | AIT | A | 1,284 | · | · | 27,872 Direct | +4.83% | Acquired | (price as of 2026-10-05) |
| Aug. 13, 2022 | AIT | F | 963 | $113.43 | $109,233 | 26,588 Direct | -3.50% | Disposed | 204.8% (price as of 2026-10-05) |
| Aug. 9, 2022 | AIT | A | 4,700 | · | · | 4,700 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 9, 2022 | AIT | F | 2,008 | $103.92 | $208,671 | 27,551 Direct | -6.79% | Disposed | 232.7% (price as of 2026-10-05) |
| Aug. 9, 2022 | AIT | A | 7,550 | · | · | 29,559 Direct | +34.30% | Acquired | (price as of 2026-10-05) |
| Aug. 9, 2022 | AIT | A | 1,700 | · | · | 22,009 Direct | +8.37% | Acquired | (price as of 2026-10-05) |
| Aug. 10, 2021 | AIT | A | 4,700 | · | · | 4,700 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 10, 2021 | AIT | F | 255 | $88.79 | $22,641 | 20,309 Direct | -1.24% | Disposed | 289.4% (price as of 2026-10-05) |
| Aug. 10, 2021 | AIT | A | 4,662 | · | · | 20,564 Direct | +29.32% | Acquired | (price as of 2026-10-05) |
| Aug. 10, 2021 | AIT | A | 1,600 | · | · | 15,902 Direct | +11.19% | Acquired | (price as of 2026-10-05) |
| Aug. 9, 2021 | AIT | F | 486 | $86.00 | $41,796 | 14,302 Direct | -3.29% | Disposed | 302.1% (price as of 2026-10-05) |
| Aug. 11, 2020 | AIT | A | 7,900 | · | · | 7,900 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 11, 2020 | AIT | F | 1,166 | $69.05 | $80,512 | 14,788 Direct | -7.31% | Disposed | 400.8% (price as of 2026-10-05) |
| Aug. 11, 2020 | AIT | A | 2,400 | · | · | 15,954 Direct | +17.71% | Acquired | (price as of 2026-10-05) |
| Aug. 11, 2020 | AIT | A | 1,805 | · | · | 13,554 Direct | +15.36% | Acquired | (price as of 2026-10-05) |
| Aug. 10, 2020 | AIT | F | 516 | $68.67 | $35,434 | 11,749 Direct | -4.21% | Disposed | 403.6% (price as of 2026-10-05) |
| June 21, 2020 | AIT | F | 452 | $60.11 | $27,170 | 12,265 Direct | -3.55% | Disposed | 475.3% (price as of 2026-10-05) |
| Aug. 13, 2019 | AIT | A | 11,600 | · | · | 11,600 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 13, 2019 | AIT | A | 2,100 | · | · | 12,717 Direct | +19.78% | Acquired | (price as of 2026-10-05) |
| Aug. 13, 2019 | AIT | A | 2,214 | · | · | 10,617 Direct | +26.35% | Acquired | (price as of 2026-10-05) |
| June 21, 2019 | AIT | F | 452 | $58.53 | $26,456 | 8,403 Direct | -5.10% | Disposed | 490.8% (price as of 2026-10-05) |
| Aug. 9, 2018 | AIT | A | 7,500 | · | · | 7,500 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 9, 2018 | AIT | A | 1,600 | · | · | 8,855 Direct | +22.05% | Acquired | (price as of 2026-10-05) |
| Aug. 9, 2018 | AIT | A | 1,791 | · | · | 7,255 Direct | +32.78% | Acquired | (price as of 2026-10-05) |
| June 21, 2018 | AIT | F | 696 | $74.40 | $51,782 | 5,464 Direct | -11.30% | Disposed | 364.8% (price as of 2026-10-05) |
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 |
|---|---|---|---|---|---|---|---|
| Aug. 11, 2026 | AIT | Stock Appreciation Rights | Common Stock | $352.35 | Aug. 11, 2036 | 2,153 | Acquired |
| Aug. 12, 2025 | AIT | Stock Appreciation Rights | Common Stock | $270.68 | Aug. 12, 2035 | 2,664 | Acquired |
| Aug. 13, 2024 | AIT | Stock Appreciation Rights | Common Stock | $197.43 | Aug. 13, 2034 | 3,380 | Acquired |
| Aug. 8, 2023 | AIT | Common Stock | Common Stock | $142.92 | Aug. 8, 2033 | 4,029 | Acquired |
| Aug. 9, 2022 | AIT | Stock Appreciation Rights | Common Stock | $103.92 | Aug. 9, 2032 | 4,700 | Acquired |
| Aug. 10, 2021 | AIT | Stock Appreciation Rights | Common Stock | $88.79 | Aug. 10, 2031 | 4,700 | Acquired |
| Aug. 11, 2020 | AIT | Stock Appreciation Rights | Common Stock | $69.05 | Aug. 11, 2030 | 7,900 | Acquired |
| Aug. 13, 2019 | AIT | Stock Appreciation Rights | Common Stock | $53.87 | Aug. 13, 2029 | 11,600 | Acquired |
| Aug. 9, 2018 | AIT | Stock Appreciation Rights | Common Stock | $74.55 | Aug. 9, 2028 | 7,500 | 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 |
|---|---|---|---|---|---|---|---|---|
| 2024 | $505,000 | · | $562,247 | $222,280 | $355,762 | $0 | $66,065 | $1,711,354 |
| 2023 | $490,000 | · | $526,804 | $169,106 | $536,040 | $0 | $65,715 | $1,787,665 |
| 2022 | $470,000 | · | $430,588 | $124,926 | $549,430 | $0 | $63,890 | $1,638,834 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.