Mark R Witkowski
CIK 1866738 · View on SEC EDGAR ↗
First SEC filing: July 23, 2021 · Latest: July 23, 2021
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
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 |
|---|---|---|---|---|---|---|---|---|---|
| Nov. 15, 2023 | CNM | S 10b5-1 | 40,000 | $34.01 | $1,360,400 | 19,221 Direct | -67.54% | Disposed | 34.7% (price as of 2026-08-19) |
| Nov. 9, 2023 | CNM | S 10b5-1 | 20,000 | $32.10 | $642,000 | 19,221 Direct | -50.99% | Disposed | 42.7% (price as of 2026-08-19) |
| Oct. 4, 2023 | CNM | S 10b5-1 | 20,000 | $30.02 | $600,400 | 19,221 Direct | -50.99% | Disposed | 52.6% (price as of 2026-08-19) |
| Sept. 25, 2023 | CNM | S 10b5-1 | 40,000 | $28.44 | $1,137,600 | 19,221 Direct | -67.54% | Disposed | 61.1% (price as of 2026-08-19) |
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 |
|---|---|---|---|---|---|---|---|
| Nov. 15, 2023 | CNM | Class B Common Stock and Limited Partnership Interests | Class A Common Stock (40,000) | — | — | 40,000 | Disposed |
| Nov. 15, 2023 | CNM | Class B Common Stock and Limited Partnership Interests | Class A Common Stock (40,000) | — | — | 40,000 | Acquired |
| Nov. 15, 2023 | CNM | Class B Common Stock and Limited Partnership Interests | Class A Common Stock (40,000) | — | — | 40,000 | Disposed |
| Nov. 9, 2023 | CNM | Class B Common Stock and Limited Partnership Interests | Class A Common Stock (20,000) | — | — | 20,000 | Disposed |
| Nov. 9, 2023 | CNM | Class B Common Stock and Limited Partnership Interests | Class A Common Stock (20,000) | — | — | 20,000 | Acquired |
| Nov. 9, 2023 | CNM | Class B Common Stock and Limited Partnership Interests | Class A Common Stock (20,000) | — | — | 20,000 | Disposed |
| Oct. 4, 2023 | CNM | Class B Common Stock and Limited Partnership Interests | Class A Common Stock (20,000) | — | — | 20,000 | Disposed |
| Oct. 4, 2023 | CNM | Class B Common Stock and Limited Partnership Interests | Class A Common Stock (20,000) | — | — | 20,000 | Acquired |
| Oct. 4, 2023 | CNM | Class B Common Stock and Limited Partnership Interests | Class A Common Stock (20,000) | — | — | 20,000 | Disposed |
| Sept. 25, 2023 | CNM | Class B Common Stock and Limited Partnership Interests | Class A Common Stock (39,397) | — | — | 39,397 | Disposed |
| Sept. 25, 2023 | CNM | Class B Common Stock and Limited Partnership Interests | Class A Common Stock (39,397) | — | — | 39,397 | Acquired |
| Sept. 25, 2023 | CNM | Class B Common Stock and Limited Partnership Interests | Class A Common Stock (39,397) | — | — | 39,397 | Disposed |
| March 10, 2023 | CNM | Options (Rights to Buy) | Class A Common Stock (79,560) | $22.11 | March 10, 2033 | 79,560 | Acquired |
| March 11, 2022 | CNM | Options (Rights to Buy) | Class A Common Stock (69,714) | $20.81 | March 10, 2032 | 69,714 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 2 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.
CNM
CEO| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $786,539 | — | $5,825,167 | $2,474,832 | $194,520 | — | $46,048 | $9,327,106 |
| 2024 | $610,192 | — | $234,411 | $703,150 | $248,320 | — | $34,813 | $1,830,886 |
| 2022 | $521,923 | — | $198,777 | $596,258 | $636,000 | — | $110,456 | $2,063,414 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.