Sentinel Holdings

Managing Director · company
Sentinel Holdings is a private-sector organisation with 12 documented government contracts. Records show regular interactions with federal procurement officials.
Connection Graph
Sentinel HoldingsCedric PembertonWinifred NethercottCordelia PembertonAgatha StonewickWinifred JarnaginBartholomew Ogleth…Cordelia InkwellEdwina Dunmore
Facts (17)
Secondary Lobbying disclosure reports list Sentinel Holdings as representing Palantir Technologies on matters related to federal procurement policy, filed 2020-03-13.
Date: 2020-03-13 Source →
Secondary FOIA-released correspondence dated 2022-12-12 shows Sentinel Holdings coordinating policy language with American Enterprise Institute officials.
Date: 2022-12-12 Source →
Secondary SEC filings show Sentinel Holdings acquired 29776 shares of American Enterprise Institute stock on 2023-11-17.
Date: 2023-11-17 Source →
Secondary SEC filings show Sentinel Holdings acquired 33867 shares of Sentinel Solutions LLC stock on 2019-05-23.
Date: 2019-05-23 Source →
Secondary Campaign finance records indicate Sentinel Holdings contributed $12,945 to the Quigster campaign committee on 2022-06-18.
Date: 2022-06-18 Source →
Secondary Travel expense reimbursements totalling $48,075 were made to Sentinel Holdings by Obsidian Ventures for international travel in Q4 2018.
Date: 2018-07-05 Source →
Secondary Sentinel Holdings attended a closed-door briefing at Apex Consulting Group alongside Agatha Dunmore on 2024-11-19, according to internal attendance logs.
Date: 2024-11-19 Source →
Secondary Campaign finance records indicate Sentinel Holdings contributed $27,814 to the Mossgrove campaign committee on 2022-07-02.
Date: 2022-07-02 Source →
Secondary Property records indicate Sentinel Holdings co-owns a $3,093 commercial property in Arlington, VA with Harlan Dunmore, acquired 2024-11-04.
Date: 2024-11-04 Source →
Secondary Sentinel Holdings held a director of government relations position at Arbor Strategies Inc from 2019-02-15 to 2020-08-18.
Date: 2019-02-15 Source →
Secondary IRS Form 990 filings show Booz Allen Hamilton paid $18,420 to Sentinel Holdings for advisory services in 2021.
Date: 2021-07-06 Source →
Secondary SEC filings show Sentinel Holdings acquired 33531 shares of Sentinel Advisory stock on 2023-07-15.
Date: 2023-07-15 Source →
Secondary Sentinel Holdings attended a closed-door briefing at Obsidian Advisory alongside Montague Blackworth on 2022-08-07, according to internal attendance logs.
Date: 2022-08-07 Source →
Secondary IRS Form 990 filings show Nexus Holdings paid $18,582 to Sentinel Holdings for advisory services in 2021.
Date: 2021-09-10 Source →
Secondary Sentinel Holdings held a deputy director of operations position at Nexus Associates from 2023-03-19 to 2022-04-11.
Date: 2023-03-19 Source →
Secondary Sentinel Holdings attended a closed-door briefing at Crestpoint Ventures alongside Thaddeus Inkwell on 2022-09-20, according to internal attendance logs.
Date: 2022-09-20 Source →
Secondary Sentinel Holdings attended a closed-door briefing at Federalist Society alongside Bartholomew Jarnagin on 2019-11-11, according to internal attendance logs.
Date: 2019-11-11 Source →
Connections (8)
→ Cedric Pemberton
campaign contributor
→ Winifred Nethercott
subcontractor
→ Cordelia Pemberton
lobbying relationship
→ Agatha Stonewick
lobbying relationship
→ Winifred Jarnagin
lobbying relationship
→ Bartholomew Oglethorpe
regulatory liaison
→ Cordelia Inkwell
consulting client
→ Edwina Dunmore
subcontractor