Douglas W. Chambers

United States Cellular Corp Array Digital Infrastructure, Inc.Telephone & Data Systems Inc /DE/

Insider activity · 24 months0 buys1 saleCumulative net flow

Nov 24 · 0 buys · 0 salesDec 24 · 0 buys · 0 salesJan 25 · 0 buys · 0 salesFeb 25 · 0 buys · 0 salesMar 25 · 0 buys · 0 salesApr 25 · 0 buys · 0 salesMay 25 · 0 buys · 0 salesJun 25 · 0 buys · 0 salesJul 25 · 0 buys · 0 salesAug 25 · 0 buys · 1 saleSept 25 · 0 buys · 0 salesOct 25 · 0 buys · 0 salesNov 25 · 0 buys · 0 salesDec 25 · 0 buys · 0 salesJan 26 · 0 buys · 0 salesFeb 26 · 0 buys · 0 salesMar 26 · 0 buys · 0 salesApr 26 · 0 buys · 0 salesMay 26 · 0 buys · 0 salesJun 26 · 0 buys · 0 salesJul 26 · 0 buys · 0 salesAug 26 · 0 buys · 0 salesSept 26 · 0 buys · 0 salesOct 26 · 0 buys · 0 sales

Total declarations

Companies

▲ Purchases (0 ops.)

—

▼ Sales (10 ops.)

€8.6M

Latest filing published 14 Aug 2025 for ARRAY DIGITAL INFRASTRUCTURE, INC., €6.1M.

Filing timeline

BuySale

Douglas W. Chambers

Insider track record

Disclosed buys

Disclosed sells

T+90 hit rate

T+90 mean return

-16.6%

Across 5 buy signals with a settled T+90 return. Return basis: close on the day after publication.

Signal history

Douglas W. Chambers: trading record in brief

This profile gathers the share dealings of Douglas W. Chambers across 2 companies, led by Array Digital Infrastructure, Inc. and Telephone & Data Systems Inc /DE/. In total, 45 filings cover trades dated from 8 August 2018 to 12 August 2025.

On the market, this insider has only sold: 10 sales, €8.6M in total. The totals exclude 1 filing filed without an amount. Besides market trades, the filings include 11 share grants and 23 option exercises. In 2025 alone, the filings show no purchases and 2 sales.

Most recently, on 14 August 2025, the filings show an option exercise worth €267k in Telephone & Data Systems Inc /DE/. Typically, a trade is published a median of 2 days after it takes place. Section 16 rules allow two business days to file each Form 4. A sale on its own says little: insiders also sell to pay tax, fund a purchase or diversify. Every figure here comes from the filings published by SEC (Form 4) and describes the past, not future prices; it is not investment advice.