Skip to content

Insider · CIK 0001886089

Mark Wolfe Nelson

officer

Files at TMUS (T-Mobile US, Inc.). First filing Oct 18, 2024, latest Feb 25, 2026.

Mark Wolfe Nelson files SEC Form 4 as officer at TMUS (T-Mobile US, Inc.). Since Oct 18, 2024, Mark Wolfe Nelson has reported 0 open-market buys worth $0 and 3 open-market sells worth $13M, the latest filed on Feb 25, 2026.

A track record needs three past buys with six months of prices behind them; Mark Wolfe Nelson has 0, so none is measured yet.

The newest scored trade: sold $518k of TMUS on Feb 24, 2026, filed Feb 25, 2026, scored 48 (moderate). In the last 12 months: 0 buys worth $0 and 2 sells worth $4.2M.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 3
$0 bought, $13M sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

TMUS: T-Mobile US, Inc.

TMUSOct 9, 2026 · close 148.58

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
48Moderate
TMUSsell 5
T-Mobile US, Inc.
$518k
2,329 shares
-3%+21% from low-18% from high
40Moderate
TMUSsell 410b5-1
T-Mobile US, Inc.
$3.6M
16,514 shares
-20%+20% from low-19% from high
38Weak
TMUSsell 210b5-1
T-Mobile US, Inc.
$9.2M
42,769 shares
-41%-

Planned sales

Form 144 notices this insider filed before selling restricted or control stock, newest first.

FiledCompanySharesValueSale datePast 3 months
Feb 24, 2026 TMUS
T-Mobile US, Inc.
2,330
0.00% of outstanding
$518kFeb 24, 2026$3.6M
Feb 18, 2026 TMUS
T-Mobile US, Inc.
6,274
0.00% of outstanding
$1.4MFeb 18, 2026$2.3M
Feb 17, 2026 TMUS
T-Mobile US, Inc.
10,240
0.00% of outstanding
$2.3MFeb 17, 2026none
Feb 20, 2025 TMUS
T-Mobile US, Inc.
15,000
0.00% of outstanding
$3.9MFeb 20, 2025$6.7M
Feb 19, 2025 TMUS
T-Mobile US, Inc.
15,101
0.00% of outstanding
$4.0MFeb 19, 2025$2.8M
Feb 18, 2025 TMUS
T-Mobile US, Inc.
10,232
0.00% of outstanding
$2.8MFeb 18, 2025none
Oct 16, 2024 TMUS
T-Mobile US, Inc.
42,769
0.00% of outstanding
$9.2MOct 16, 2024none

Transactions

Every row this insider has filed, 17 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Sep 10, 2026TMUS
T-Mobile US, Inc.
AGrant or award
Common Stock
+103$178.14$18k66,07029 d ago
Jun 11, 2026TMUS
T-Mobile US, Inc.
AGrant or award
Common Stock
+98$187.02$18k65,967Jun 12, 2026
Mar 12, 2026TMUS
T-Mobile US, Inc.
AGrant or award
Common Stock
+86$211.58$18k65,763Mar 13, 2026
Feb 24, 2026TMUS
T-Mobile US, Inc.
SOpen-market sale
Common Stock
-2,329$222.38$518k65,677Feb 25, 2026
Feb 15, 2026TMUS
T-Mobile US, Inc.
AGrant or award
Common Stock10b5-1
+19,576$0.00$083,438Feb 18, 2026
Feb 15, 2026TMUS
T-Mobile US, Inc.
FTax withholding
Common Stock10b5-1
-6,949$219.50$1.5M76,490Feb 18, 2026
Feb 15, 2026TMUS
T-Mobile US, Inc.
AGrant or award
Common Stock10b5-1
+12,287$0.00$088,777Feb 18, 2026
Feb 15, 2026TMUS
T-Mobile US, Inc.
FTax withholding
Common Stock10b5-1
-4,257$219.50$934k84,520Feb 18, 2026
Feb 17, 2026TMUS
T-Mobile US, Inc.
SOpen-market sale
Common Stock10b5-1
-10,240$220.80$2.3M74,280Feb 18, 2026
Feb 18, 2026TMUS
T-Mobile US, Inc.
SOpen-market sale
Common Stock10b5-1
-6,274$219.69$1.4M68,006Feb 18, 2026
Dec 11, 2025TMUS
T-Mobile US, Inc.
AGrant or award
Common Stock
+68$195.69$13k63,862Dec 15, 2025
Sep 11, 2025TMUS
T-Mobile US, Inc.
AGrant or award
Common Stock
+48$240.34$11k63,774Sep 15, 2025
Jun 12, 2025TMUS
T-Mobile US, Inc.
AGrant or award
Common Stock
+50$229.42$11k63,726Jun 16, 2025
Apr 1, 2025TMUS
T-Mobile US, Inc.
AGrant or award
Common Stock
+10,677$0.00$063,676Apr 3, 2025
Oct 16, 2024TMUS
T-Mobile US, Inc.
SOpen-market sale
Common Stock10b5-1
-42,769$216.26$9.2M61,871Oct 18, 2024
Oct 11, 2024TMUS
T-Mobile US, Inc.
AGrant or award
Common Stock
+32,670$0.00$0140,177Oct 15, 2024
Oct 11, 2024TMUS
T-Mobile US, Inc.
FTax withholding
Common Stock
-35,537$213.04$7.6M104,640Oct 15, 2024

Questions about Mark Wolfe Nelson

Answered from the filings on this page, as of the latest one.

Is Mark Wolfe Nelson buying or selling?

In the last 12 months Mark Wolfe Nelson reported 0 open-market buys worth $0 and 2 open-market sells worth $4.2M on SEC Form 4; the latest was sold $518k of TMUS on Feb 24, 2026. Grants, option exercises and tax withholding are not counted.

How did Mark Wolfe Nelson's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Mark Wolfe Nelson has 0.

Where does Mark Wolfe Nelson file Form 4?

Mark Wolfe Nelson has filed Form 4 at TMUS (T-Mobile US, Inc.) as Chief Legal Officer & GC. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.