Dave Howson
CIK 1797922 · View on SEC EDGAR ↗
Insider
First SEC filing: Jan. 6, 2020 · Latest: Feb. 21, 2025
On this page
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 84 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
84 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 20, 2025 | CBOE | S 10b5-1 | 375 | $207.05 | $77,644 | 13,309 Direct | -2.74% | Disposed | 48.0% (price as of 2026-08-25) |
| Feb. 20, 2025 | CBOE | S 10b5-1 | 3,600 | $208.45 | $750,420 | 9,709 Direct | -27.05% | Disposed | 47.0% (price as of 2026-08-25) |
| Feb. 20, 2025 | CBOE | S 10b5-1 | 1,684 | $209.43 | $352,680 | 8,025 Direct | -17.34% | Disposed | 46.3% (price as of 2026-08-25) |
| Feb. 12, 2025 | CBOE | S 10b5-1 | 11,036 | $206.01 | $2,273,526 | 8,025 Direct | -57.90% | Disposed | 48.7% (price as of 2026-08-25) |
| Aug. 2, 2024 | CBOE | S 10b5-1 | 2 | $194.54 | $389 | 12,644 Direct | -0.02% | Disposed | 57.5% (price as of 2026-08-25) |
| Aug. 2, 2024 | CBOE | S 10b5-1 | 248 | $193.53 | $47,995 | 12,396 Direct | -1.96% | Disposed | 58.3% (price as of 2026-08-25) |
| Aug. 2, 2024 | CBOE | S 10b5-1 | 3,016 | $192.50 | $580,580 | 9,380 Direct | -24.33% | Disposed | 59.2% (price as of 2026-08-25) |
| Aug. 2, 2024 | CBOE | S 10b5-1 | 1,497 | $191.66 | $286,915 | 7,883 Direct | -15.96% | Disposed | 59.9% (price as of 2026-08-25) |
| Aug. 2, 2024 | CBOE | S 10b5-1 | 310 | $190.23 | $58,971 | 7,573 Direct | -3.93% | Disposed | 61.1% (price as of 2026-08-25) |
| July 26, 2024 | CBOE | S 10b5-1 | 35 | $188.14 | $6,585 | 12,646 Direct | -0.28% | Disposed | 62.8% (price as of 2026-08-25) |
| July 25, 2024 | CBOE | S 10b5-1 | 2,302 | $188.19 | $433,213 | 12,771 Direct | -15.27% | Disposed | 62.8% (price as of 2026-08-25) |
| July 25, 2024 | CBOE | S 10b5-1 | 90 | $189.01 | $17,011 | 12,681 Direct | -0.70% | Disposed | 62.1% (price as of 2026-08-25) |
| July 22, 2024 | CBOE | S 10b5-1 | 2,500 | $186.67 | $466,675 | 15,073 Direct | -14.23% | Disposed | 64.1% (price as of 2026-08-25) |
| Feb. 20, 2024 | CBOE | S 10b5-1 | 5,322 | $186.96 | $995,001 | 17,573 Direct | -23.25% | Disposed | 63.9% (price as of 2026-08-25) |
| Feb. 9, 2024 | CBOE | S 10b5-1 | 8,314 | $183.88 | $1,528,778 | 17,573 Direct | -32.12% | Disposed | 66.6% (price as of 2026-08-25) |
| Aug. 17, 2023 | CBOE | S 10b5-1 | 8,000 | $148.42 | $1,187,360 | 17,168 Direct | -31.79% | Disposed | 106.4% (price as of 2026-08-25) |
Showing latest 100 of 102 transactions
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 |
|---|---|---|---|---|---|---|---|
| Feb. 19, 2025 | CBOE | Restricted Stock Units | Common Stock (2,753) | — | — | 2,753 | Disposed |
| Feb. 19, 2025 | CBOE | Restricted Stock Units | Common Stock (760) | — | — | 760 | Disposed |
| Feb. 19, 2025 | CBOE | Restricted Stock Units | Common Stock (3,665) | — | — | 3,665 | Disposed |
| Feb. 19, 2025 | CBOE | Restricted Stock Units | Common Stock (3,069) | — | — | 3,069 | Disposed |
| Feb. 19, 2025 | CBOE | Restricted Stock Units | Common Stock (8,175) | — | — | 8,175 | Acquired |
| Feb. 19, 2024 | CBOE | Restricted Stock Units | Common Stock (2,557) | — | — | 2,557 | Disposed |
| Feb. 19, 2024 | CBOE | Restricted Stock Units | Common Stock (2,753) | — | — | 2,753 | Disposed |
| Feb. 19, 2024 | CBOE | Restricted Stock Units | Common Stock (760) | — | — | 760 | Disposed |
| Feb. 19, 2024 | CBOE | Restricted Stock Units | Common Stock (3,664) | — | — | 3,664 | Disposed |
| Feb. 19, 2024 | CBOE | Restricted Stock Units | Common Stock (9,207) | — | — | 9,207 | Acquired |
| Feb. 19, 2024 | CBOE | Restricted Stock Units | Common Stock (1,340) | — | — | 1,340 | Acquired |
| Feb. 19, 2023 | CBOE | Restricted Stock Units | Common Stock (879) | — | — | 879 | Disposed |
| Feb. 19, 2023 | CBOE | Restricted Stock Units | Common Stock (2,557) | — | — | 2,557 | Disposed |
| Feb. 19, 2023 | CBOE | Restricted Stock Units | Common Stock (760) | — | — | 760 | Disposed |
| Feb. 19, 2023 | CBOE | Restricted Stock Units | Common Stock (2,752) | — | — | 2,752 | Disposed |
| Feb. 19, 2023 | CBOE | Restricted Stock Units | Common Stock (10,994) | — | — | 10,994 | Acquired |
| May 12, 2022 | CBOE | Restricted Stock Units | Common Stock (2,280) | — | — | 2,280 | Acquired |
| Feb. 19, 2022 | CBOE | Restricted Stock Units | Common Stock (741) | — | — | 741 | Disposed |
| Feb. 19, 2022 | CBOE | Restricted Stock Units | Common Stock (879) | — | — | 879 | Disposed |
| Feb. 19, 2022 | CBOE | Restricted Stock Units | Common Stock (2,557) | — | — | 2,557 | Disposed |
| Feb. 19, 2022 | CBOE | Restricted Stock Units | Common Stock (4,105) | — | — | 4,105 | Disposed |
| Feb. 19, 2022 | CBOE | Restricted Stock Units | Common Stock (8,258) | — | — | 8,258 | Acquired |
| Feb. 19, 2021 | CBOE | Restricted Stock Units | Common Stock (454) | — | — | 454 | Disposed |
| Feb. 19, 2021 | CBOE | Restricted Stock Units | Common Stock (741) | — | — | 741 | Disposed |
| Feb. 19, 2021 | CBOE | Restricted Stock Units | Common Stock (878) | — | — | 878 | Disposed |
| Feb. 19, 2021 | CBOE | Restricted Stock Units | Common Stock (7,671) | — | — | 7,671 | Acquired |
| Feb. 28, 2020 | CBOE | Restricted Stock Units | Common Stock (622) | — | — | 622 | Disposed |
| Feb. 19, 2020 | CBOE | Restricted Stock Units | Common Stock (454) | — | — | 454 | Disposed |
| Feb. 19, 2020 | CBOE | Restricted Stock Units | Common Stock (741) | — | — | 741 | Disposed |
| Feb. 19, 2020 | CBOE | Restricted Stock Units | Common Stock (2,636) | — | — | 2,636 | Acquired |
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.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Jan. 6, 2020 | CBOE | Common Stock | 13,816 | Direct |
| Jan. 6, 2020 | CBOE | Restricted Stock Units→ Common Stock (622) | 622 | Direct |
| Jan. 6, 2020 | CBOE | Restricted Stock Units→ Common Stock (908) | 908 | Direct |
| Jan. 6, 2020 | CBOE | Restricted Stock Units→ Common Stock (2,223) | 2,223 | Direct |
| Jan. 6, 2020 | CBOE | Restricted Stock Units→ Common Stock (4,105) | 4,105 | Direct |