Not financial advice. ThetaGrade is educational and informational only. Nothing here is a recommendation to buy or sell any security, and it is not tailored to anyone. Options involve substantial risk; read the OCC Characteristics and Risks of Standardized Options. Past performance does not guarantee future results. Methodology

Douglas J Burgum

Secretary

148 trades · 74 buys · 69 sells · files ~84 days after trading · last filing 2026-08-05

Trades are filed weeks after they happen and amounts are reported as ranges. Educational, not financial advice.

Trade history

Traded	Filed	Days	Stock	Type	Amount
2026-04-08	2026-08-05	119	Arthur Ventures V, LP - Hudu Technologies, Inc	Buy	$1K–$15K	Filing ↗
2026-04-08	2026-08-05	119	Arthur Ventures V, LP - zizzl Health	Buy	$1K–$15K	Filing ↗
2026-04-08	2026-08-05	119	Arthur Ventures Growth IV, LP - Nucleus Security, Inc.	Buy	$100K–$250K	Filing ↗
2026-04-08	2026-08-05	119	Arthur Ventures Growth IV, LP - Nucleus Security, Inc.	Buy	$1K–$15K	Filing ↗
2026-04-08	2026-08-05	119	Arthur Ventures IV, LP - Decimal Technologies, Inc.	Sell	$1K–$15K	Filing ↗
2026-01-27	2026-05-21	114	Arthur Ventures V, LP - Aqua (Turnkey alternative investment platform)	Buy	$1K–$15K	Filing ↗
2026-01-27	2026-05-21	114	Arthur Ventures V, LP - Streamline (platform services)	Sell	$50K–$100K	Filing ↗
2026-01-27	2026-05-21	114	Arthur Ventures V, LP - Streamline (platform services)	Sell	$1K–$15K	Filing ↗
2026-01-27	2026-05-21	114	Arthur Ventures V, LP - CivicPlus (Software solutions)	Exchange	$50K–$100K	Filing ↗
2026-01-27	2026-05-21	114	Arthur Ventures V, LP - CivicPlus (Software solutions)	Exchange	$1K–$15K	Filing ↗
2026-01-27	2026-05-21	114	Arthur Ventures V, LP - Payroll Integrations (employee benefits recordkeeper)	Buy	$15K–$50K	Filing ↗
2026-01-27	2026-05-21	114	Arthur Ventures V, LP - Payroll Integrations (employee benefits recordkeeper)	Buy	$1K–$15K	Filing ↗
2026-01-27	2026-05-21	114	Arthur Ventures V, LP - Circadian Risk (Security risk assessment software)	Buy	$1K–$15K	Filing ↗
2026-01-27	2026-05-21	114	Arthur Ventures IV, LP - Gridbase (formerly IamGIS) (software)	Buy	$1K–$15K	Filing ↗
2026-01-27	2026-05-21	114	Arthur Ventures IV, LP - Gridbase (formerly IamGIS) (software) (Roth IRA)	Buy	$15K–$50K	Filing ↗
2026-01-27	2026-05-21	114	Arthur Ventures V, LP - Opterrix (Risk intelligence platform)	Buy	$15K–$50K	Filing ↗
2026-01-27	2026-05-21	114	Arthur Ventures V, LP - Opterrix (Risk intelligence platform)	Buy	$1K–$15K	Filing ↗
2026-01-27	2026-05-21	114	Arthur Ventures V, LP - Aqua (Turnkey alternative investment platform)	Buy	$15K–$50K	Filing ↗
2026-01-22	2026-05-21	119	Arthur Ventures III, LP - PureSpectrum (market research platform)	Sell	$1M–$5M	Filing ↗
2026-01-22	2026-05-21	119	Arthur Ventures Growth IV, LP - PureSpectrum (market research platform)	Sell	$100K–$250K	Filing ↗
2026-01-22	2026-05-21	119	Arthur Ventures Growth III, LP - PureSpectrum (market research platform)	Sell	$250K–$500K	Filing ↗
2026-01-22	2026-05-21	119	Arthur Ventures Growth III, LP - PureSpectrum (market research platform) (Roth IRA)	Sell	$100K–$250K	Filing ↗
2026-01-22	2026-05-21	119	Arthur Ventures Growth IV, LP - PureSpectrum (market research platform)	Sell	$1K–$15K	Filing ↗
2025-12-22	2026-05-21	150	Arthur Ventures IV, LP	Buy	$15K–$50K	Filing ↗
2025-10-24	2026-01-21	89	COST Costco Wholesale Corp.	Sell	$1K–$15K	Filing ↗
2025-10-24	2026-01-21	89	IWF iShares Russell 1000 Growth ETF	BuyOpen	$1K–$15K	Filing ↗
2025-10-24	2026-01-21	89	SNOXX Schwab Treasury Obligations Money Fund InvestorClass Shares	Sell	$1K–$15K	Filing ↗
2025-09-04	2025-11-27	84	Arthur Ventures V, LP	Buy	$100K–$250K	Filing ↗
2025-09-04	2025-11-27	84	Arthur Ventures V, LP	Buy	$1K–$15K	Filing ↗
2025-08-21	2025-11-27	98	Arthur Ventures Growth IV, LP	Buy	$100K–$250K	Filing ↗
2025-08-21	2025-11-27	98	Arthur Ventures Growth IV, LP	Buy	$1K–$15K	Filing ↗
2025-07-25	2025-11-27	125	Arthur Ventures Growth IV, LP - Office Puzzle Holdings, Inc.	Buy	$100K–$250K	Filing ↗
2025-07-25	2025-11-27	125	Arthur Ventures Growth IV, LP - Office Puzzle Holdings, Inc.	Buy	$1K–$15K	Filing ↗
2025-07-25	2025-11-27	125	Arthur Ventures Growth IV, LP - CertifID, Inc.	Buy	$100K–$250K	Filing ↗
2025-07-25	2025-11-27	125	Arthur Ventures Growth IV, LP - CertifID, Inc.	Buy	$1K–$15K	Filing ↗
2025-07-25	2025-11-27	125	Arthur Ventures V, LP - Zizzle Health	Buy	$15K–$50K	Filing ↗
2025-07-25	2025-11-27	125	Arthur Ventures V, LP - Senior Sign	Buy	$1K–$15K	Filing ↗
2025-07-25	2025-11-27	125	Arthur Ventures Growth IV, LP - Giving Data Holdings, Inc.	Sell	$100K–$250K	Filing ↗
2025-07-25	2025-11-27	125	Arthur Ventures Growth IV, LP - Giving Data Holdings, Inc.	Sell	$1K–$15K	Filing ↗
2025-07-25	2025-11-27	125	Arthur Ventures Growth IV, LP - Foundant Technologies	Exchange	$100K–$250K	Filing ↗
2025-07-25	2025-11-27	125	Arthur Ventures Growth IV, LP - Foundant Technologies	Exchange	$1K–$15K	Filing ↗
2025-06-06	2025-07-15	39	Arthur Ventures II, LP - Jane Software, Inc. See Endnote	Sell	$1M–$5M	Filing ↗
2025-06-03	2025-07-15	42	SPY SPDR S&P 500 ETF Trust (SPY)	BuyOpen	$15K–$50K	Filing ↗
2025-05-16	2025-07-15	60	Arthur Ventures III, LP - GivingData Holdings, Inc. See Endnote	Sell	$250K–$500K	Filing ↗
2025-05-16	2025-07-15	60	Arthur Ventures III, LP - Foundant Technologies See Endnote	Exchange	$250K–$500K	Filing ↗
2025-05-02	2025-07-15	74	GSIMX Goldman Sachs GQG Partners International Opportunities Fund Institutional Class Shs (GSIMX)	BuyOpen	$1K–$15K	Filing ↗
2025-05-02	2025-07-15	74	GQGIX GQG PartnersEmerging Markets Equity Fund Institutional Class Shares (GQGIX)	BuyOpen	$1K–$15K	Filing ↗
2025-04-16	2025-05-14	28	CDDRX Columbia Dividend Income Fund Institutional 2 Class Shares (CDDRX)	BuyOpen	$1K–$15K	Filing ↗
2025-04-16	2025-05-14	28	JIGFX Janus Henderson Overseas Fund Class I Shares (JIGFX)	BuyOpen	$1K–$15K	Filing ↗
2025-04-16	2025-05-14	28	VBILX Vanguard Intermediate-Term Bond Index Fund Admiral Shares (VBILX)	Sell	$1K–$15K	Filing ↗

Arthur Ventures V, LP - Hudu Technologies, Inc
Buy
$1K–$15K · traded 2026-04-08 · filed 2026-08-05 (119d) · Filing ↗
Arthur Ventures V, LP - zizzl Health
Buy
$1K–$15K · traded 2026-04-08 · filed 2026-08-05 (119d) · Filing ↗
Arthur Ventures Growth IV, LP - Nucleus Security, Inc.
Buy
$100K–$250K · traded 2026-04-08 · filed 2026-08-05 (119d) · Filing ↗
Arthur Ventures Growth IV, LP - Nucleus Security, Inc.
Buy
$1K–$15K · traded 2026-04-08 · filed 2026-08-05 (119d) · Filing ↗
Arthur Ventures IV, LP - Decimal Technologies, Inc.
Sell
$1K–$15K · traded 2026-04-08 · filed 2026-08-05 (119d) · Filing ↗
Arthur Ventures V, LP - Aqua (Turnkey alternative investment platform)
Buy
$1K–$15K · traded 2026-01-27 · filed 2026-05-21 (114d) · Filing ↗
Arthur Ventures V, LP - Streamline (platform services)
Sell
$50K–$100K · traded 2026-01-27 · filed 2026-05-21 (114d) · Filing ↗
Arthur Ventures V, LP - Streamline (platform services)
Sell
$1K–$15K · traded 2026-01-27 · filed 2026-05-21 (114d) · Filing ↗
Arthur Ventures V, LP - CivicPlus (Software solutions)
Exchange
$50K–$100K · traded 2026-01-27 · filed 2026-05-21 (114d) · Filing ↗
Arthur Ventures V, LP - CivicPlus (Software solutions)
Exchange
$1K–$15K · traded 2026-01-27 · filed 2026-05-21 (114d) · Filing ↗
Arthur Ventures V, LP - Payroll Integrations (employee benefits recordkeeper)
Buy
$15K–$50K · traded 2026-01-27 · filed 2026-05-21 (114d) · Filing ↗
Arthur Ventures V, LP - Payroll Integrations (employee benefits recordkeeper)
Buy
$1K–$15K · traded 2026-01-27 · filed 2026-05-21 (114d) · Filing ↗
Arthur Ventures V, LP - Circadian Risk (Security risk assessment software)
Buy
$1K–$15K · traded 2026-01-27 · filed 2026-05-21 (114d) · Filing ↗
Arthur Ventures IV, LP - Gridbase (formerly IamGIS) (software)
Buy
$1K–$15K · traded 2026-01-27 · filed 2026-05-21 (114d) · Filing ↗
Arthur Ventures IV, LP - Gridbase (formerly IamGIS) (software) (Roth IRA)
Buy
$15K–$50K · traded 2026-01-27 · filed 2026-05-21 (114d) · Filing ↗
Arthur Ventures V, LP - Opterrix (Risk intelligence platform)
Buy
$15K–$50K · traded 2026-01-27 · filed 2026-05-21 (114d) · Filing ↗
Arthur Ventures V, LP - Opterrix (Risk intelligence platform)
Buy
$1K–$15K · traded 2026-01-27 · filed 2026-05-21 (114d) · Filing ↗
Arthur Ventures V, LP - Aqua (Turnkey alternative investment platform)
Buy
$15K–$50K · traded 2026-01-27 · filed 2026-05-21 (114d) · Filing ↗
Arthur Ventures III, LP - PureSpectrum (market research platform)
Sell
$1M–$5M · traded 2026-01-22 · filed 2026-05-21 (119d) · Filing ↗
Arthur Ventures Growth IV, LP - PureSpectrum (market research platform)
Sell
$100K–$250K · traded 2026-01-22 · filed 2026-05-21 (119d) · Filing ↗
Arthur Ventures Growth III, LP - PureSpectrum (market research platform)
Sell
$250K–$500K · traded 2026-01-22 · filed 2026-05-21 (119d) · Filing ↗
Arthur Ventures Growth III, LP - PureSpectrum (market research platform) (Roth IRA)
Sell
$100K–$250K · traded 2026-01-22 · filed 2026-05-21 (119d) · Filing ↗
Arthur Ventures Growth IV, LP - PureSpectrum (market research platform)
Sell
$1K–$15K · traded 2026-01-22 · filed 2026-05-21 (119d) · Filing ↗
Arthur Ventures IV, LP
Buy
$15K–$50K · traded 2025-12-22 · filed 2026-05-21 (150d) · Filing ↗
COST Costco Wholesale Corp.
Sell
$1K–$15K · traded 2025-10-24 · filed 2026-01-21 (89d) · Filing ↗
IWF iShares Russell 1000 Growth ETF
OpenBuy
$1K–$15K · traded 2025-10-24 · filed 2026-01-21 (89d) · Filing ↗
SNOXX Schwab Treasury Obligations Money Fund InvestorClass Shares
Sell
$1K–$15K · traded 2025-10-24 · filed 2026-01-21 (89d) · Filing ↗
Arthur Ventures V, LP
Buy
$100K–$250K · traded 2025-09-04 · filed 2025-11-27 (84d) · Filing ↗
Arthur Ventures V, LP
Buy
$1K–$15K · traded 2025-09-04 · filed 2025-11-27 (84d) · Filing ↗
Arthur Ventures Growth IV, LP
Buy
$100K–$250K · traded 2025-08-21 · filed 2025-11-27 (98d) · Filing ↗
Arthur Ventures Growth IV, LP
Buy
$1K–$15K · traded 2025-08-21 · filed 2025-11-27 (98d) · Filing ↗
Arthur Ventures Growth IV, LP - Office Puzzle Holdings, Inc.
Buy
$100K–$250K · traded 2025-07-25 · filed 2025-11-27 (125d) · Filing ↗
Arthur Ventures Growth IV, LP - Office Puzzle Holdings, Inc.
Buy
$1K–$15K · traded 2025-07-25 · filed 2025-11-27 (125d) · Filing ↗
Arthur Ventures Growth IV, LP - CertifID, Inc.
Buy
$100K–$250K · traded 2025-07-25 · filed 2025-11-27 (125d) · Filing ↗
Arthur Ventures Growth IV, LP - CertifID, Inc.
Buy
$1K–$15K · traded 2025-07-25 · filed 2025-11-27 (125d) · Filing ↗
Arthur Ventures V, LP - Zizzle Health
Buy
$15K–$50K · traded 2025-07-25 · filed 2025-11-27 (125d) · Filing ↗
Arthur Ventures V, LP - Senior Sign
Buy
$1K–$15K · traded 2025-07-25 · filed 2025-11-27 (125d) · Filing ↗
Arthur Ventures Growth IV, LP - Giving Data Holdings, Inc.
Sell
$100K–$250K · traded 2025-07-25 · filed 2025-11-27 (125d) · Filing ↗
Arthur Ventures Growth IV, LP - Giving Data Holdings, Inc.
Sell
$1K–$15K · traded 2025-07-25 · filed 2025-11-27 (125d) · Filing ↗
Arthur Ventures Growth IV, LP - Foundant Technologies
Exchange
$100K–$250K · traded 2025-07-25 · filed 2025-11-27 (125d) · Filing ↗
Arthur Ventures Growth IV, LP - Foundant Technologies
Exchange
$1K–$15K · traded 2025-07-25 · filed 2025-11-27 (125d) · Filing ↗
Arthur Ventures II, LP - Jane Software, Inc. See Endnote
Sell
$1M–$5M · traded 2025-06-06 · filed 2025-07-15 (39d) · Filing ↗
SPY SPDR S&P 500 ETF Trust (SPY)
OpenBuy
$15K–$50K · traded 2025-06-03 · filed 2025-07-15 (42d) · Filing ↗
Arthur Ventures III, LP - GivingData Holdings, Inc. See Endnote
Sell
$250K–$500K · traded 2025-05-16 · filed 2025-07-15 (60d) · Filing ↗
Arthur Ventures III, LP - Foundant Technologies See Endnote
Exchange
$250K–$500K · traded 2025-05-16 · filed 2025-07-15 (60d) · Filing ↗
GSIMX Goldman Sachs GQG Partners International Opportunities Fund Institutional Class Shs (GSIMX)
OpenBuy
$1K–$15K · traded 2025-05-02 · filed 2025-07-15 (74d) · Filing ↗
GQGIX GQG PartnersEmerging Markets Equity Fund Institutional Class Shares (GQGIX)
OpenBuy
$1K–$15K · traded 2025-05-02 · filed 2025-07-15 (74d) · Filing ↗
CDDRX Columbia Dividend Income Fund Institutional 2 Class Shares (CDDRX)
OpenBuy
$1K–$15K · traded 2025-04-16 · filed 2025-05-14 (28d) · Filing ↗
JIGFX Janus Henderson Overseas Fund Class I Shares (JIGFX)
OpenBuy
$1K–$15K · traded 2025-04-16 · filed 2025-05-14 (28d) · Filing ↗
VBILX Vanguard Intermediate-Term Bond Index Fund Admiral Shares (VBILX)
Sell
$1K–$15K · traded 2025-04-16 · filed 2025-05-14 (28d) · Filing ↗

Open means no later sale of that stock has been filed. Owner is who holds the account, as reported.