Form 4 for TMUS T-Mobile US

Accepted 2026-02-18 00:00:00 ET · period of report 2026-02-15 · accession 0001283699-26-000028 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
M	2026-02-18	2026-02-15	TMUS	Osvaldik Peter	CFO	A - Grant	$0.00	+31.4K	83.4K	+60%	$0
M	2026-02-18	2026-02-15	TMUS	Osvaldik Peter	CFO	F - Tax	$219.50	-12.9K	71.1K	-15%	-$2.83M

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Stock	2026-02-15	A	A	19,086	$0.00	79,195.62	D	—	—	(F1) Represents restricted stock units granted under the issuer's 2023 Incentive Award Plan, (the "Plan"); one-third of the units vest on each of February 15, 2027, February 15, 2028 and February 15, 2029, subject to the terms of the Plan and related award agreement.
2	Common	Common Stock	2026-02-15	A	A	12,287	$0.00	83,407.60	D	—	—	(F3) Represents performance-based restricted stock units earned under the issuer's 2013 Omnibus Incentive Plan that vested on February 15, 2026 based on the Company's relative total shareholder return during the three-year period ending February 15, 2026.
3	Common	Common Stock	2026-02-15	F	D	4,834.94	$219.50	78,572.66	D	—	—	(F4) Represents shares withheld for payment of taxes on vesting of performance-based restricted stock units; not an open market transaction.
4	Common	Common Stock	2026-02-15	F	D	8,075.02	$219.50	71,120.60	D	—	—	(F2) Represents shares withheld for payment of taxes on vesting of restricted stock units; not an open market transaction.