Katz Michael J.

Director · Officer · MNTN, TMUS

As of 2026-09-16, Katz Michael J. has 15 Form 4 transactions on record across 2 companies — 7 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Pattern in the record: open-market sales filed in May in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $32.4MIndirect: $0$32.4Mas of 2026-09-16
  • Direct $32.4M
  • Indirect $0
TMUSdirect181,930 sh$32.1M
MNTNdirect29,717 sh$343K

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

TMUS · 14 trades
2026-05-01: Sale, 5,000 sh ($979K)2026-02-15: Withheld for tax, 7,142 sh ($1.6M)2026-02-15: Withheld for tax, 3,571 sh ($784K)2026-02-15: Award / grant, 9,076 sh ($0)2026-02-15: Award / grant, 32,365 sh ($0)2025-11-17: Sale, 2,500 sh ($540K)2025-08-15: Sale, 2,500 sh ($628K)2025-05-15: Sale, 2,500 sh ($593K)2025-04-01: Award / grant, 22,880 sh ($0)2025-02-18: Sale, 2,500 sh ($675K)2025-02-15: Withheld for tax, 7,523 sh ($2.0M)2025-02-15: Withheld for tax, 6,760 sh ($1.8M)2025-02-15: Award / grant, 18,801 sh ($0)2025-02-15: Award / grant, 19,117 sh ($0)
MNTN · 1 trade
2026-09-03: Award / grant, 29,717 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-05-01TMUSSale5,000 @ $195.81$979K−2.7% of holding181,930Form 4
2025-11-17TMUSSale2,500 @ $215.91$540K−1.6% of holding156,203Form 4
2025-08-15TMUSSale2,500 @ $251.12$628K−1.6% of holding158,703Form 4
2025-05-15TMUSSale2,500 @ $237.12$593K−1.5% of holding161,203Form 4
2025-02-18TMUSSale2,500 @ $270.00$675K−1.7% of holding140,823Form 4
10 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-09-03MNTNAward / grant29,71729,717Form 4
2026-02-15TMUSWithheld for tax7,142181,426Form 4
2026-02-15TMUSWithheld for tax3,571186,930Form 4
2026-02-15TMUSAward / grant9,076190,502Form 4
2026-02-15TMUSAward / grant32,365188,568Form 4
2025-04-01TMUSAward / grant22,880163,703Form 4
2025-02-15TMUSWithheld for tax7,523143,323Form 4
2025-02-15TMUSWithheld for tax6,760131,728Form 4
2025-02-15TMUSAward / grant18,801138,488Form 4
2025-02-15TMUSAward / grant19,117150,845Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.