Ploeg David Vander
Insider
First SEC filing: Dec. 14, 2010 · Latest: Dec. 14, 2010
Insider at
Insider transactions
0 buys (P)
1 sells (S)
Net: $-115,126
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. 12, 2026 | KNX | S | 2,200 | $52.33 | $115,126 | 30,252 Indirect | -6.78% | Disposed | 24.7% (price as of 2026-10-05) |
| May 12, 2026 | KNX | A | 2,504 | $59.90 | $149,990 | 32,452 Indirect | +8.36% | Acquired | 8.9% (price as of 2026-10-05) |
| Dec. 1, 2025 | KNX | G | 3,604 | · | · | 29,948 Indirect | -10.74% | Disposed | (price as of 2026-10-05) |
| May 13, 2025 | KNX | A | 2,823 | $46.05 | $129,999 | 33,552 Indirect | +9.19% | Acquired | 41.7% (price as of 2026-10-05) |
| Nov. 14, 2024 | KNX | G | 3,000 | · | · | 31,229 Indirect | -8.76% | Disposed | (price as of 2026-10-05) |
| Nov. 14, 2024 | KNX | S | 500 | $57.10 | $28,550 | 30,729 Indirect | -1.60% | Disposed | 14.3% (price as of 2026-10-05) |
| May 14, 2024 | KNX | A | 2,627 | $49.48 | $129,984 | 34,229 Indirect | +8.31% | Acquired | 31.9% (price as of 2026-10-05) |
| Nov. 28, 2023 | KNX | G | 2,000 | · | · | 31,602 Indirect | -5.95% | Disposed | (price as of 2026-10-05) |
| May 16, 2023 | KNX | A | 2,403 | $55.12 | $132,453 | 33,602 Indirect | +7.70% | Acquired | 18.4% (price as of 2026-10-05) |
| May 17, 2022 | KNX | A | 2,578 | $48.47 | $124,956 | 7,152 Direct | +56.36% | Acquired | 34.6% (price as of 2026-10-05) |
| May 18, 2021 | KNX | A | 2,155 | $48.72 | $104,992 | 4,574 Direct | +89.09% | Acquired | 33.9% (price as of 2026-10-05) |
| May 19, 2020 | KNX | A | 2,419 | · | · | 2,419 Direct | · | Acquired | (price as of 2026-10-05) |
| Oct. 30, 2019 | KNX | M | 2,880 | $12.23 | $35,222 | 26,807 Indirect | +12.04% | Acquired | 433.4% (price as of 2026-10-05) |
| Oct. 30, 2019 | KNX | S | 2,760 | $36.77 | $101,485 | 24,047 Indirect | -10.30% | Disposed | 77.4% (price as of 2026-10-05) |
| Oct. 30, 2019 | KNX | M | 2,880 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 30, 2019 | KNX | A | 2,854 | · | · | 23,927 Direct | +13.54% | Acquired | (price as of 2026-10-05) |
| May 31, 2018 | KNX | A | 2,458 | · | · | 21,074 Direct | +13.20% | Acquired | (price as of 2026-10-05) |
| May 24, 2017 | KNX | A | 4,168 | $23.99 | $99,990 | 25,855 Direct | +19.22% | Acquired | 171.9% (price as of 2026-10-05) |
| May 24, 2016 | KNX | A | 6,447 | · | · | 21,687 Direct | +42.30% | Acquired | (price as of 2026-10-05) |
| May 8, 2015 | KNX | A | 3,532 | · | · | 15,240 Direct | +30.17% | Acquired | (price as of 2026-10-05) |
| May 23, 2014 | KNX | A | 3,833 | · | · | 11,708 Direct | +48.67% | Acquired | (price as of 2026-10-05) |
| Feb. 22, 2013 | KNX | A | 2,620 | · | · | 7,875 Direct | +49.86% | Acquired | (price as of 2026-10-05) |
| April 2, 2012 | KNX | A | 2,919 | · | · | 5,255 Direct | +124.96% | Acquired | (price as of 2026-10-05) |
| Feb. 18, 2011 | KNX | A | 2,336 | · | · | 2,336 Direct | · | Acquired | (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 |
|---|---|---|---|---|---|---|---|
| Oct. 30, 2019 | KNX | Director Stock Option (Right to Buy) | Class A Common Stock | $12.23 | Feb. 28, 2020 | 2,880 | Disposed |
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 |
|---|---|---|---|---|
| Dec. 14, 2010 | KNX | Stock Option (Right-To-Buy) | · | Direct |