Mark Stephen Walker
CIK 1948889 · View on SEC EDGAR ↗
Insider
First SEC filing: Oct. 3, 2022 · Latest: Oct. 3, 2022
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
0 buys (P)
0 sells (S)
Net:
$0
+ 45 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
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| March 31, 2025 | FOR | M | 2,816 | — | — | 20,580 Direct | +15.85% | Acquired | (price as of 2026-08-19) |
| March 31, 2025 | FOR | F | 1,260 | $21.14 | $26,636 | 19,320 Direct | -6.12% | Disposed | 38.8% (price as of 2026-08-19) |
| March 31, 2025 | FOR | M | 2,816 | — | — | 5,630 Direct | -33.34% | Disposed | (price as of 2026-08-19) |
| March 28, 2025 | FOR | M | 1,991 | — | — | 18,655 Direct | +11.95% | Acquired | (price as of 2026-08-19) |
| March 28, 2025 | FOR | F | 891 | $21.07 | $18,773 | 17,764 Direct | -4.78% | Disposed | 39.3% (price as of 2026-08-19) |
| March 28, 2025 | FOR | M | 1,991 | — | — | 7,962 Direct | -20.00% | Disposed | (price as of 2026-08-19) |
| March 21, 2025 | FOR | M | 4,065 | — | — | 18,524 Direct | +28.11% | Acquired | (price as of 2026-08-19) |
| March 21, 2025 | FOR | F | 1,860 | $21.73 | $40,418 | 16,664 Direct | -10.04% | Disposed | 35.1% (price as of 2026-08-19) |
| March 21, 2025 | FOR | M | 4,065 | — | — | 12,195 Direct | -25.00% | Disposed | (price as of 2026-08-19) |
| March 18, 2025 | FOR | M | 1,554 | — | — | 15,237 Direct | +11.36% | Acquired | (price as of 2026-08-19) |
| March 18, 2025 | FOR | F | 778 | $21.90 | $17,038 | 14,459 Direct | -5.11% | Disposed | 34.0% (price as of 2026-08-19) |
| March 18, 2025 | FOR | M | 1,554 | — | — | 1,554 Direct | -50.00% | Disposed | (price as of 2026-08-19) |
| March 10, 2025 | FOR | M | 1,800 | — | — | 14,584 Direct | +14.08% | Acquired | (price as of 2026-08-19) |
| March 10, 2025 | FOR | F | 901 | $22.13 | $19,939 | 13,683 Direct | -6.18% | Disposed | 32.6% (price as of 2026-08-19) |
| March 10, 2025 | FOR | M | 1,800 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-19) |
| Nov. 20, 2024 | FOR | A | 17,710 | — | — | 17,710 Direct | — | Acquired | (price as of 2026-08-19) |
| May 6, 2024 | FOR | M | 1,120 | — | — | 13,287 Direct | +9.21% | Acquired | (price as of 2026-08-19) |
| May 6, 2024 | FOR | F | 503 | $34.51 | $17,359 | 12,784 Direct | -3.79% | Disposed | -15.0% (price as of 2026-08-19) |
| May 6, 2024 | FOR | M | 1,120 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-19) |
| March 31, 2024 | FOR | M | 2,815 | — | — | 13,430 Direct | +26.52% | Acquired | (price as of 2026-08-19) |
| March 31, 2024 | FOR | F | 1,263 | $40.19 | $50,760 | 12,167 Direct | -9.40% | Disposed | -27.0% (price as of 2026-08-19) |
| March 31, 2024 | FOR | M | 2,815 | — | — | 8,446 Direct | -25.00% | Disposed | (price as of 2026-08-19) |
| March 28, 2024 | FOR | A | 9,953 | — | — | 9,953 Direct | — | Acquired | (price as of 2026-08-19) |
| March 21, 2024 | FOR | M | 4,065 | — | — | 12,435 Direct | +48.57% | Acquired | (price as of 2026-08-19) |
| March 21, 2024 | FOR | F | 1,820 | $37.31 | $67,904 | 10,615 Direct | -14.64% | Disposed | -21.3% (price as of 2026-08-19) |
| March 21, 2024 | FOR | M | 4,065 | — | — | 16,260 Direct | -20.00% | Disposed | (price as of 2026-08-19) |
| March 18, 2024 | FOR | M | 1,554 | — | — | 9,119 Direct | +20.54% | Acquired | (price as of 2026-08-19) |
| March 18, 2024 | FOR | F | 749 | $35.78 | $26,799 | 8,370 Direct | -8.21% | Disposed | -18.0% (price as of 2026-08-19) |
| March 18, 2024 | FOR | M | 1,554 | — | — | 3,108 Direct | -33.33% | Disposed | (price as of 2026-08-19) |
| March 10, 2024 | FOR | M | 1,800 | — | — | 8,468 Direct | +26.99% | Acquired | (price as of 2026-08-19) |
| March 10, 2024 | FOR | F | 903 | $37.38 | $33,754 | 7,565 Direct | -10.66% | Disposed | -21.5% (price as of 2026-08-19) |
| March 10, 2024 | FOR | M | 1,800 | — | — | 1,800 Direct | -50.00% | Disposed | (price as of 2026-08-19) |
| May 6, 2023 | FOR | M | 1,120 | — | — | 7,174 Direct | +18.50% | Acquired | (price as of 2026-08-19) |
| May 6, 2023 | FOR | F | 506 | $19.59 | $9,913 | 6,668 Direct | -7.05% | Disposed | 49.8% (price as of 2026-08-19) |
| May 6, 2023 | FOR | M | 1,120 | — | — | 1,120 Direct | -50.00% | Disposed | (price as of 2026-08-19) |
| March 31, 2023 | FOR | M | 2,816 | — | — | 7,347 Direct | +62.15% | Acquired | (price as of 2026-08-19) |
| March 31, 2023 | FOR | F | 1,293 | $15.56 | $20,119 | 6,054 Direct | -17.60% | Disposed | 88.6% (price as of 2026-08-19) |
| March 31, 2023 | FOR | M | 2,816 | — | — | 11,261 Direct | -20.00% | Disposed | (price as of 2026-08-19) |
| March 21, 2023 | FOR | A | 20,325 | — | — | 20,325 Direct | — | Acquired | (price as of 2026-08-19) |
| March 18, 2023 | FOR | M | 1,554 | — | — | 4,662 Direct | -25.00% | Disposed | (price as of 2026-08-19) |
| March 18, 2023 | FOR | F | 784 | $14.46 | $11,337 | 4,531 Direct | -14.75% | Disposed | 103.0% (price as of 2026-08-19) |
| March 18, 2023 | FOR | M | 1,554 | — | — | 5,315 Direct | +41.32% | Acquired | (price as of 2026-08-19) |
| March 10, 2023 | FOR | M | 1,800 | — | — | 4,669 Direct | +62.74% | Acquired | (price as of 2026-08-19) |
| March 10, 2023 | FOR | F | 908 | $14.10 | $12,803 | 3,761 Direct | -19.45% | Disposed | 108.2% (price as of 2026-08-19) |
| March 10, 2023 | FOR | M | 1,800 | — | — | 3,600 Direct | -33.33% | Disposed | (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 |
|---|---|---|---|---|---|---|---|
| March 31, 2025 | FOR | Restricted Stock Unit | Common Stock (2,816) | — | — | 2,816 | Disposed |
| March 28, 2025 | FOR | Restricted Stock Unit | Common Stock (1,991) | — | — | 1,991 | Disposed |
| March 21, 2025 | FOR | Restricted Stock Unit | Common Stock (4,065) | — | — | 4,065 | Disposed |
| March 18, 2025 | FOR | Restricted Stock Unit | Common Stock (1,554) | — | — | 1,554 | Disposed |
| March 10, 2025 | FOR | Restricted Stock Unit | Common Stock (1,800) | — | — | 1,800 | Disposed |
| Nov. 20, 2024 | FOR | Restricted Stock Unit | Common Stock (17,710) | — | — | 17,710 | Acquired |
| May 6, 2024 | FOR | Restricted Stock Unit | Common Stock (1,120) | — | — | 1,120 | Disposed |
| March 31, 2024 | FOR | Restricted Stock Unit | Common Stock (2,815) | — | — | 2,815 | Disposed |
| March 28, 2024 | FOR | Restricted Stock Unit | Common Stock (9,953) | — | — | 9,953 | Acquired |
| March 21, 2024 | FOR | Restricted Stock Unit | Common Stock (4,065) | — | — | 4,065 | Disposed |
| March 18, 2024 | FOR | Restricted Stock Unit | Common Stock (1,554) | — | — | 1,554 | Disposed |
| March 10, 2024 | FOR | Restricted Stock Unit | Common Stock (1,800) | — | — | 1,800 | Disposed |
| May 6, 2023 | FOR | Restricted Stock Unit | Common Stock (1,120) | — | — | 1,120 | Disposed |
| March 31, 2023 | FOR | Restricted Stock Unit | Common Stock (2,816) | — | — | 2,816 | Disposed |
| March 21, 2023 | FOR | Restricted Stock Unit | Common Stock (20,325) | — | — | 20,325 | Acquired |
| March 18, 2023 | FOR | Restricted Stock Unit | Common Stock (1,554) | — | — | 1,554 | Disposed |
| March 10, 2023 | FOR | Restricted Stock Unit | Common Stock (1,800) | — | — | 1,800 | Disposed |
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 |
|---|---|---|---|---|
| Oct. 3, 2022 | FOR | Common Stock | 2,869 | Direct |
| Oct. 3, 2022 | FOR | Restricted StockUnit→ Common Stock (2,240) | 2,240 | Direct |
| Oct. 3, 2022 | FOR | Restricted StockUnit→ Common Stock (5,400) | 5,400 | Direct |
| Oct. 3, 2022 | FOR | Restricted Stock Unit→ Common Stock (6,216) | 6,216 | Direct |
| Oct. 3, 2022 | FOR | Restricted Stock Unit→ Common Stock (14,077) | 14,077 | Direct |
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 |
|---|---|---|---|---|---|---|---|---|
| 2025 | $400,000 | — | — | — | $767,478 | — | $53,702 | $2,575,090 |
| 2024 | $315,000 | $625,000 | — | — | — | — | $13,265 | $1,353,276 |
| 2023 | $300,000 | $475,000 | — | — | — | — | $12,555 | $1,087,552 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.