Diane L. Dewbrey

Board Director

Director

Mbia Inc Mbia Inc Barrett Business Services Inc Barrett Business Services Inc Envoy Medical, Inc.

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 (1 ops.)

€22k

▼ Sales (1 ops.)

€31k

Latest filing published 25 Aug 2025 for MBIA INC, €31k.

Filing timeline

BuySale

Diane L. Dewbrey

Insider track record

Disclosed buys

Disclosed sells

T+90 hit rate

T+90 mean return

-5.9%

Across 1 buy signal with a settled T+90 return. Return basis: close on the day after publication.

Signal history

Diane L. Dewbrey: trading record in brief

Diane L. Dewbrey (board member) discloses dealings in 3 companies, chiefly Mbia Inc, Barrett Business Services Inc and Envoy Medical, Inc. The record holds 14 filings, for trades running from 13 November 2018 to 21 August 2025.

Market trades split into 1 purchase (€22k) and 1 sale (€31k). The net balance comes to €8,784 on the selling side. Unlike grants, an open-market purchase is paid for by the insider, at the market price. Outside the open market, there are 8 share grants and 3 option exercises. Since January 2025: no purchases and 1 sale on the market.

Most recently, on 25 August 2025, the filings show an open-market sale worth €31k in Mbia Inc. The latest purchase dates back some time: it was published 1,690 days ago, on 8 March 2022. Filings reach the SEC (Form 4) feed a median of 2 days after the trade. For comparison, the SEC allows two business days to file a Form 4. These figures are compiled from regulatory filings published by SEC (Form 4). They describe what insiders did and are not a recommendation.