InsidersTradesSigma
Total declarations
Companies
▲ Purchases (1 ops.)
▼ Sales (1 ops.)
Insider track record
Board DirectorDisclosed buys
1
Disclosed sells
1
T+90 hit rate
0%
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
Discover the full record of transactions filed by Dewbrey Diane l, Director. Director active across 5 companies, notably MBIA INC. In total, 10 reports have been recorded. Breakdown: 1 buy · 1 sell. Total volume traded: €52k. History available since 13 May 2021. The latest transaction was filed on 21 August 2025 (Cession). Regulator: SEC (Form 4). The full history is openly available.
Companies and markets linked to Dewbrey Diane l
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations10 total
4,975 shares@ US$7.1514.6% of flowCommon StockSEC:0000814585-25-000030:0
23,095 shares@ US$4.3325.1% of flowCOMMON STOCKSEC:0000814585-25-000021:0
16,502 shares@ US$6.0626.0% of flowMBIA Common StockSEC:0000814585-24-000033:0
25,000 shares0Class A Common Stock, par value $0.0001 per shareSEC:0001062993-23-018933:0
12,821 shares@ US$7.8025.7% of flowCommon StockSEC:0000814585-23-000027:0
1,192 shares0Common StockSEC:0001562180-22-004959:0
8,361 shares@ US$11.960.032% mcap53.8% of flowCommon StockSEC:0000814585-22-000028:0
325 shares@ US$73.03580.0024% mcap100.0% of flowCommon StockSEC:0001562180-22-002432:0
Canonical exit: 6 Jun 2022 (T+90)
1,457 shares0Common StockSEC:0001562180-21-004758:0
11,261 shares@ US$8.8839.5% of flowCommon StockSEC:0000814585-21-000029:0
10 of 10 declarations
About Dewbrey Diane l
Diane L. Dewbrey serves as a Board Member at MBIA Inc. and Barrett Business Services Inc. She brings expertise in the financial services and insurance sectors. As a board member, Diane plays a key role in the strategic direction of the companies, ensuring regulatory compliance and financial performance. Her experience is valuable in guiding strategic decisions.
