Arthur Ventures IV, LP - Gridbase (formerly See Endnote Buy Disclosure

Douglas J Burgum · Executive branch OGE 278-T · Filed May 21, 2026

Buy

Reported value range

$15K - $50K

Douglas J Burgum Executive branch official

Arthur Ventures IV, LP - Gridbase (formerly See Endnote Security

Transaction date Jan 27, 2026

Public filing date May 21, 2026

Filing lag Filed 114 days later

Official public disclosure; not an execution-time alert.

Market context

No linked price history

This asset is not matched to a market-data symbol.

Filing cohort

Showing 15 of 18

Trades

Issuers

Estimated value

$1.75M

Buys / sales

11 / 7

Transactions reported in the same official filing
Issuer	Transaction	Traded	Value
Arthur Ventures V, LP - Streamline (platform See Endnote	Sale	Jan 27, 2026	$1K - $15K
Arthur Ventures V, LP - Opterrix (Risk intelligencSee Endnote	Buy	Jan 27, 2026	$1K - $15K
Arthur Ventures V, LP - Opterrix (Risk intelligencSee Endnote	Buy	Jan 27, 2026	$15K - $50K
Arthur Ventures V, LP - Payroll Integrations See Endnote	Buy	Jan 27, 2026	$1K - $15K
Arthur Ventures IV, LP - Gridbase (formerly See Endnote Current	Buy	Jan 27, 2026	$15K - $50K
Arthur Ventures V, LP - Aqua (Turnkey alternative See Endnote	Buy	Jan 27, 2026	$15K - $50K
Arthur Ventures IV, LP - Gridbase (formerly See Endnote	Buy	Jan 27, 2026	$1K - $15K
Arthur Ventures V, LP - Streamline (platform See Endnote	Sale	Jan 27, 2026	$50K
Arthur Ventures V, LP - Payroll Integrations See Endnote	Buy	Jan 27, 2026	$15K - $50K
Arthur Ventures V, LP - Aqua (Turnkey alternative See Endnote	Buy	Jan 27, 2026	$1K - $15K
Arthur Ventures V, LP - Circadian Risk (SecuritySee Endnote	Buy	Jan 27, 2026	$1K - $15K
Arthur Ventures Growth III, LP - PureSpectrum See Endnote	Sale	Jan 22, 2026	$250K
Arthur Ventures Growth III, LP - PureSpectrum See Endnote	Sale	Jan 22, 2026	$100K
Arthur Ventures Growth IV, LP - PureSpectrum See Endnote	Sale	Jan 22, 2026	$1K - $15K
Arthur Ventures Growth IV, LP - PureSpectrum See Endnote	Sale	Jan 22, 2026	$100K