Sentinel Holdings

Executive Vice President · company
Sentinel Holdings is a private-sector organisation with 2 documented government contracts. Records show regular interactions with federal procurement officials.
Connection Graph
Sentinel HoldingsConstance GristonConstance JarnaginReginald BlackworthThaddeus LormundPercival BlackworthAgatha Halverton
Facts (15)
Secondary IRS Form 990 filings show Palantir Technologies paid $40,373 to Sentinel Holdings for advisory services in 2019.
Date: 2019-02-01 Source →
Secondary Government contract award of $30,113 to Vanguard Ventures listed Sentinel Holdings as a key personnel on 2022-01-09.
Date: 2022-01-09 Source →
Secondary IRS Form 990 filings show Obsidian Solutions LLC paid $49,448 to Sentinel Holdings for advisory services in 2020.
Date: 2020-10-16 Source →
Secondary Travel expense reimbursements totalling $36,329 were made to Sentinel Holdings by Nexus Advisory for international travel in Q2 2023.
Date: 2023-05-15 Source →
Secondary Campaign finance records indicate Sentinel Holdings contributed $20,582 to the Lormund campaign committee on 2020-09-07.
Date: 2020-09-07 Source →
Secondary Government contract award of $6,625 to Sentinel Corporation listed Sentinel Holdings as a key personnel on 2023-07-07.
Date: 2023-07-07 Source →
Secondary SEC filings show Sentinel Holdings acquired 40360 shares of Aegis Capital stock on 2020-05-10.
Date: 2020-05-10 Source →
Secondary Sentinel Holdings attended a closed-door briefing at American Enterprise Institute alongside Harlan Fetterly on 2019-08-03, according to internal attendance logs.
Date: 2019-08-03 Source →
Secondary Lobbying disclosure reports list Sentinel Holdings as representing Catalyst Corporation on matters related to federal procurement policy, filed 2021-09-05.
Date: 2021-09-05 Source →
Secondary Property records indicate Sentinel Holdings co-owns a $1,032 commercial property in Arlington, VA with Thaddeus Griston, acquired 2022-03-20.
Date: 2022-03-20 Source →
Secondary IRS Form 990 filings show Obsidian Partners paid $31,459 to Sentinel Holdings for advisory services in 2018.
Date: 2018-05-08 Source →
Secondary Agatha Dunmore, in a deposition dated 2024-05-08, named Sentinel Holdings as a co-signatory on a $12,357 services agreement with American Enterprise Institute.
Date: 2024-05-08 Source →
Secondary Travel expense reimbursements totalling $24,343 were made to Sentinel Holdings by Catalyst Strategies Inc for international travel in Q3 2021.
Date: 2021-01-17 Source →
Secondary Congressional hearing transcripts from 2023-11-22 reference Sentinel Holdings as an expert witness invited by Heritage Foundation.
Date: 2023-11-22 Source →
Secondary IRS Form 990 filings show Echelon Ventures paid $44,967 to Sentinel Holdings for advisory services in 2023.
Date: 2023-04-12 Source →
Connections (6)
→ Constance Griston
lobbying relationship
→ Constance Jarnagin
policy adviser
→ Reginald Blackworth
regulatory liaison
→ Thaddeus Lormund
former employer
→ Percival Blackworth
lobbying relationship
→ Agatha Halverton
consulting client