Michael J. Katz
Insider
First SEC filing: June 14, 2021 · Latest: June 14, 2021
Insider at
Insider transactions
0 buys (P)
2 sells (S)
Net: $-1,518,825
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 |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 3, 2026 | MNTN | A | 29,717 | · | · | 29,717 Direct | · | Acquired | (price as of 2026-10-05) |
| May 1, 2026 | TMUSZ | S | 5,000 | $195.81 | $979,050 | 181,930 Direct | -2.67% | Disposed | -90.5% (price as of 2026-10-05) |
| Feb. 15, 2026 | TMUSZ | A | 32,365 | · | · | 188,568 Direct | +20.72% | Acquired | (price as of 2026-10-05) |
| Feb. 15, 2026 | TMUSZ | F | 7,142 | $219.50 | $1,567,669 | 181,426 Direct | -3.79% | Disposed | -91.5% (price as of 2026-10-05) |
| Feb. 15, 2026 | TMUSZ | A | 9,076 | · | · | 190,502 Direct | +5.00% | Acquired | (price as of 2026-10-05) |
| Feb. 15, 2026 | TMUSZ | F | 3,571 | $219.50 | $783,834 | 186,930 Direct | -1.87% | Disposed | -91.5% (price as of 2026-10-05) |
| Nov. 17, 2025 | TMUSZ | S 10b5-1 | 2,500 | $215.91 | $539,775 | 156,203 Direct | -1.58% | Disposed | -91.4% (price as of 2026-10-05) |
| Aug. 15, 2025 | TMUSZ | S 10b5-1 | 2,500 | $251.12 | $627,800 | 158,703 Direct | -1.55% | Disposed | -92.6% (price as of 2026-10-05) |
| May 15, 2025 | TMUSZ | S 10b5-1 | 2,500 | $237.12 | $592,800 | 161,203 Direct | -1.53% | Disposed | -92.1% (price as of 2026-10-05) |
| April 1, 2025 | TMUSZ | A | 22,880 | · | · | 163,703 Direct | +16.25% | Acquired | (price as of 2026-10-05) |
| Feb. 18, 2025 | TMUSZ | S 10b5-1 | 2,500 | $270.00 | $675,000 | 140,823 Direct | -1.74% | Disposed | -93.1% (price as of 2026-10-05) |
| Feb. 15, 2025 | TMUSZ | A | 18,801 | · | · | 138,488 Direct | +15.71% | Acquired | (price as of 2026-10-05) |
| Feb. 15, 2025 | TMUSZ | F | 6,760 | $270.82 | $1,830,743 | 131,728 Direct | -4.88% | Disposed | -93.1% (price as of 2026-10-05) |
| Feb. 15, 2025 | TMUSZ | A | 19,117 | · | · | 150,845 Direct | +14.51% | Acquired | (price as of 2026-10-05) |
| Feb. 15, 2025 | TMUSZ | F | 7,523 | $270.82 | $2,037,379 | 143,323 Direct | -4.99% | Disposed | -93.1% (price as of 2026-10-05) |
| Oct. 1, 2024 | TMUSZ | S 10b5-1 | 3,000 | $205.30 | $615,900 | 119,687 Direct | -2.45% | Disposed | -90.9% (price as of 2026-10-05) |
| July 1, 2024 | TMUSZ | S 10b5-1 | 3,000 | $177.59 | $532,770 | 122,687 Direct | -2.39% | Disposed | -89.5% (price as of 2026-10-05) |
| April 1, 2024 | TMUSZ | S 10b5-1 | 3,000 | $163.22 | $489,660 | 125,687 Direct | -2.33% | Disposed | -88.6% (price as of 2026-10-05) |
| March 5, 2024 | TMUSZ | S 10b5-1 | 2,288 | $163.99 | $375,209 | 128,687 Direct | -1.75% | Disposed | -88.6% (price as of 2026-10-05) |
| March 4, 2024 | TMUSZ | F | 1,485 | $163.34 | $242,560 | 125,131 Direct | -1.17% | Disposed | -88.6% (price as of 2026-10-05) |
| March 4, 2024 | TMUSZ | A | 9,637 | · | · | 134,768 Direct | +7.70% | Acquired | (price as of 2026-10-05) |
| March 4, 2024 | TMUSZ | F | 3,793 | $163.34 | $619,549 | 130,975 Direct | -2.81% | Disposed | -88.6% (price as of 2026-10-05) |
| Feb. 16, 2024 | TMUSZ | S 10b5-1 | 6,655 | $161.23 | $1,072,986 | 126,616 Direct | -4.99% | Disposed | -88.4% (price as of 2026-10-05) |
| Feb. 15, 2024 | TMUSZ | A | 18,614 | · | · | 137,591 Direct | +15.65% | Acquired | (price as of 2026-10-05) |
| Feb. 15, 2024 | TMUSZ | F | 4,320 | $161.57 | $697,982 | 133,271 Direct | -3.14% | Disposed | -88.5% (price as of 2026-10-05) |
| Nov. 24, 2023 | TMUSZ | S 10b5-1 | 3,500 | $148.95 | $521,325 | 118,977 Direct | -2.86% | Disposed | -87.5% (price as of 2026-10-05) |
| Sept. 11, 2023 | TMUSZ | S 10b5-1 | 3,500 | $140.01 | $490,035 | 122,477 Direct | -2.78% | Disposed | -86.7% (price as of 2026-10-05) |
| May 23, 2023 | TMUSZ | S 10b5-1 | 3,500 | $140.93 | $493,255 | 125,977 Direct | -2.70% | Disposed | -86.8% (price as of 2026-10-05) |
| March 4, 2023 | TMUSZ | F | 1,485 | $141.90 | $210,722 | 129,477 Direct | -1.13% | Disposed | -86.9% (price as of 2026-10-05) |
| Feb. 23, 2023 | TMUSZ | S 10b5-1 | 3,500 | $145.91 | $510,685 | 130,962 Direct | -2.60% | Disposed | -87.2% (price as of 2026-10-05) |
| Feb. 15, 2023 | TMUSZ | A | 17,029 | · | · | 123,106 Direct | +16.05% | Acquired | (price as of 2026-10-05) |
| Feb. 15, 2023 | TMUSZ | F | 3,717 | $147.55 | $548,443 | 119,389 Direct | -3.02% | Disposed | -87.4% (price as of 2026-10-05) |
| Feb. 15, 2023 | TMUSZ | A | 24,854 | · | · | 144,243 Direct | +20.82% | Acquired | (price as of 2026-10-05) |
| Feb. 15, 2023 | TMUSZ | F | 9,781 | $147.55 | $1,443,187 | 134,462 Direct | -6.78% | Disposed | -87.4% (price as of 2026-10-05) |
| Aug. 10, 2022 | TMUSZ | S | 22,000 | $145.06 | $3,191,320 | 106,077 Direct | -17.18% | Disposed | -87.2% (price as of 2026-10-05) |
| March 4, 2022 | TMUSZ | F | 1,485 | $123.23 | $182,997 | 128,077 Direct | -1.15% | Disposed | -84.9% (price as of 2026-10-05) |
| Feb. 25, 2022 | TMUSZ | F | 1,917 | $125.46 | $240,507 | 129,562 Direct | -1.46% | Disposed | -85.2% (price as of 2026-10-05) |
| Feb. 15, 2022 | TMUSZ | A | 15,897 | · | · | 124,876 Direct | +14.59% | Acquired | (price as of 2026-10-05) |
| Feb. 15, 2022 | TMUSZ | F | 3,423 | $127.03 | $434,824 | 121,453 Direct | -2.74% | Disposed | -85.3% (price as of 2026-10-05) |
| Feb. 15, 2022 | TMUSZ | A | 16,532 | · | · | 137,985 Direct | +13.61% | Acquired | (price as of 2026-10-05) |
| Feb. 15, 2022 | TMUSZ | F | 6,506 | $127.03 | $826,457 | 131,479 Direct | -4.72% | Disposed | -85.3% (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.
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| June 14, 2021 | TMUSZ | Common Stock | 108,979 | 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 |
|---|---|---|---|---|---|---|---|---|
| 2024 | $850,000 | · | · | · | $2,626,075 | · | $18,630 | $9,425,987 |
| 2023 | $800,000 | · | · | · | $1,752,000 | · | $13,200 | $7,770,108 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.