William Rock
CIK 1976726 · View on SEC EDGAR ↗
Insider
First SEC filing: May 11, 2023 · Latest: Oct. 1, 2025
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
+ 36 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 |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 30, 2025 | MTN | A | 17,305 | — | — | 17,305 Direct | — | Acquired | (price as of 2026-08-19) |
| Sept. 30, 2025 | MTN | A | 4,349 | — | — | 4,349 Direct | — | Acquired | (price as of 2026-08-19) |
| Sept. 29, 2025 | MTN | M | 839 | — | — | 839 Direct | -50.00% | Disposed | (price as of 2026-08-19) |
| Sept. 29, 2025 | MTN | M | 448 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-19) |
| Sept. 29, 2025 | MTN | F | 242 | $148.06 | $35,831 | 9,447 Direct | -2.50% | Disposed | 3.0% (price as of 2026-08-19) |
| Sept. 29, 2025 | MTN | M | 839 | — | — | 9,689 Direct | +9.48% | Acquired | (price as of 2026-08-19) |
| Sept. 29, 2025 | MTN | F | 129 | $148.06 | $19,100 | 8,850 Direct | -1.44% | Disposed | 3.0% (price as of 2026-08-19) |
| Sept. 29, 2025 | MTN | M | 448 | — | — | 8,979 Direct | +5.25% | Acquired | (price as of 2026-08-19) |
| Sept. 27, 2025 | MTN | M | 1,144 | — | — | 2,289 Direct | -33.32% | Disposed | (price as of 2026-08-19) |
| Sept. 27, 2025 | MTN | F | 329 | $147.74 | $48,606 | 8,531 Direct | -3.71% | Disposed | 3.3% (price as of 2026-08-19) |
| Sept. 27, 2025 | MTN | M | 1,144 | — | — | 8,860 Direct | +14.83% | Acquired | (price as of 2026-08-19) |
| June 9, 2025 | MTN | M | 2,112 | $107.42 | $226,871 | 0 Direct | -100.00% | Disposed | 42.0% (price as of 2026-08-19) |
| June 9, 2025 | MTN | F | 1,650 | $155.13 | $255,964 | 7,716 Direct | -17.62% | Disposed | -1.7% (price as of 2026-08-19) |
| June 9, 2025 | MTN | M | 2,112 | $107.42 | $226,871 | 9,366 Direct | +29.11% | Acquired | 42.0% (price as of 2026-08-19) |
| Sept. 29, 2024 | MTN | M | 839 | — | — | 1,678 Direct | -33.33% | Disposed | (price as of 2026-08-19) |
| Sept. 29, 2024 | MTN | M | 448 | — | — | 448 Direct | -50.00% | Disposed | (price as of 2026-08-19) |
| Sept. 29, 2024 | MTN | F | 242 | $180.61 | $43,708 | 7,254 Direct | -3.23% | Disposed | -15.5% (price as of 2026-08-19) |
| Sept. 29, 2024 | MTN | M | 839 | — | — | 7,496 Direct | +12.60% | Acquired | (price as of 2026-08-19) |
| Sept. 29, 2024 | MTN | F | 129 | $180.61 | $23,299 | 6,657 Direct | -1.90% | Disposed | -15.5% (price as of 2026-08-19) |
| Sept. 29, 2024 | MTN | M | 448 | — | — | 6,786 Direct | +7.07% | Acquired | (price as of 2026-08-19) |
| Sept. 27, 2024 | MTN | A | 12,662 | — | — | 12,662 Direct | — | Acquired | (price as of 2026-08-19) |
| Sept. 27, 2024 | MTN | A | 3,433 | — | — | 3,433 Direct | — | Acquired | (price as of 2026-08-19) |
| Sept. 24, 2024 | MTN | M | 246 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-19) |
| Sept. 24, 2024 | MTN | F | 71 | $188.32 | $13,371 | 6,338 Direct | -1.11% | Disposed | -19.0% (price as of 2026-08-19) |
| Sept. 24, 2024 | MTN | M | 246 | — | — | 6,409 Direct | +3.99% | Acquired | (price as of 2026-08-19) |
| Sept. 29, 2023 | MTN | A | 8,348 | — | — | 8,348 Direct | — | Acquired | (price as of 2026-08-19) |
| Sept. 29, 2023 | MTN | A | 2,517 | — | — | 2,517 Direct | — | Acquired | (price as of 2026-08-19) |
| Sept. 29, 2023 | MTN | M | 448 | — | — | 896 Direct | -33.33% | Disposed | (price as of 2026-08-19) |
| Sept. 29, 2023 | MTN | F | 129 | $221.89 | $28,624 | 6,163 Direct | -2.05% | Disposed | -31.2% (price as of 2026-08-19) |
| Sept. 29, 2023 | MTN | M | 448 | — | — | 6,292 Direct | +7.67% | Acquired | (price as of 2026-08-19) |
| Sept. 25, 2023 | MTN | M | 114 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-19) |
| Sept. 25, 2023 | MTN | F | 33 | $243.31 | $8,029 | 5,844 Direct | -0.56% | Disposed | -37.3% (price as of 2026-08-19) |
| Sept. 25, 2023 | MTN | M | 114 | — | — | 5,877 Direct | +1.98% | Acquired | (price as of 2026-08-19) |
| Sept. 24, 2023 | MTN | M | 245 | — | — | 246 Direct | -49.90% | Disposed | (price as of 2026-08-19) |
| Sept. 24, 2023 | MTN | F | 71 | $244.26 | $17,342 | 5,763 Direct | -1.22% | Disposed | -37.5% (price as of 2026-08-19) |
| Sept. 24, 2023 | MTN | M | 245 | — | — | 5,834 Direct | +4.38% | Acquired | (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 |
|---|---|---|---|---|---|---|---|
| Sept. 30, 2025 | MTN | Share Appreciation Right | Common Stock (17,305) | $149.57 | Sept. 30, 2035 | 17,305 | Acquired |
| Sept. 30, 2025 | MTN | Restricted Share Unit | Common Stock (4,349) | $0.00 | — | 4,349 | Acquired |
| Sept. 29, 2025 | MTN | Restricted Share Unit | Common Stock (839) | $0.00 | — | 839 | Disposed |
| Sept. 29, 2025 | MTN | Restricted Share Unit | Common Stock (448) | $0.00 | — | 448 | Disposed |
| Sept. 27, 2025 | MTN | Restricted Share Unit | Common Stock (1,144) | $0.00 | — | 1,144 | Disposed |
| June 9, 2025 | MTN | Share Appreciation Right | Common Stock (2,112) | $107.42 | Sept. 25, 2025 | 2,112 | Disposed |
| Sept. 29, 2024 | MTN | Restricted Share Unit | Common Stock (839) | $0.00 | — | 839 | Disposed |
| Sept. 29, 2024 | MTN | Restricted Share Unit | Common Stock (448) | $0.00 | — | 448 | Disposed |
| Sept. 27, 2024 | MTN | Share Appreciation Right | Common Stock (12,662) | $180.61 | Sept. 27, 2034 | 12,662 | Acquired |
| Sept. 27, 2024 | MTN | Restricted Share Unit | Common Stock (3,433) | $0.00 | — | 3,433 | Acquired |
| Sept. 24, 2024 | MTN | Restricted Share Unit | Common Stock (246) | $0.00 | — | 246 | Disposed |
| Sept. 29, 2023 | MTN | Share Appreciation Right | Common Stock (8,348) | $221.89 | Sept. 29, 2033 | 8,348 | Acquired |
| Sept. 29, 2023 | MTN | Restricted Share Unit | Common Stock (2,517) | $0.00 | — | 2,517 | Acquired |
| Sept. 29, 2023 | MTN | Restricted Share Unit | Common Stock (448) | $0.00 | — | 448 | Disposed |
| Sept. 25, 2023 | MTN | Restricted Share Unit | Common Stock (114) | $0.00 | — | 114 | Disposed |
| Sept. 24, 2023 | MTN | Restricted Share Unit | Common Stock (245) | $0.00 | — | 245 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 12 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| May 11, 2023 | MTN | Common Stock | 5,589 | Direct |
| May 11, 2023 | MTN | Share Appreciation Right→ Common Stock (6,337) | 6,337 | Direct |
| May 11, 2023 | MTN | Share Appreciation Right→ Common Stock (4,419) | 4,419 | Direct |
| May 11, 2023 | MTN | Share Appreciation Right→ Common Stock (3,041) | 3,041 | Direct |
| May 11, 2023 | MTN | Share Appreciation Right→ Common Stock (2,475) | 2,475 | Direct |
| May 11, 2023 | MTN | Share Appreciation Right→ Common Stock (4,288) | 4,288 | Direct |
| May 11, 2023 | MTN | Share Appreciation Right→ Common Stock (4,774) | 4,774 | Direct |
| May 11, 2023 | MTN | Share Appreciation Right→ Common Stock (2,528) | 2,528 | Direct |
| May 11, 2023 | MTN | Share Appreciation Right→ Common Stock (4,682) | 4,682 | Direct |
| May 11, 2023 | MTN | Restricted Share Unit→ Common Stock (114) | 114 | Direct |
| May 11, 2023 | MTN | Restricted Share Unit→ Common Stock (491) | 491 | Direct |
| May 11, 2023 | MTN | Restricted Share Unit→ Common Stock (1,344) | 1,344 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
MTN
President - MountainDivision| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $555,154 | — | $560,320 | — | $386,621 | — | $18,593 | $2,081,008 |
| 2024 | $512,692 | — | $514,878 | — | $91,696 | — | $18,593 | $1,652,847 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.