DBSecretary · Department of the Interior
Burgum reported 71 sales and 77 purchases and 5 exchanges across 153 transactions in 278-T filings tracked by Open Cabinet. 106 transactions were marked as filed late.
Last filing: Aug. 5, 2026|Transactions: Jan. 15, 2025 – April 8, 2026
This total aggregates every source filing listed below. Public trackers focused on a single disclosure may report smaller counts for the same official.
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One mark per disclosed trade, sized by reported amount range. Circle = sale, square = purchase.
| Date | Description | Type | Amount | Source |
|---|---|---|---|---|
| April 8, 2026 | Arthur Ventures Growth IV, LP - Nucleus Security, Inc. | Purchase | $100K-$250K | |
| April 8, 2026 | Arthur Ventures Growth IV, LP - Nucleus Security, Inc. | Purchase | $1K-$15K |
Reviewed financial disclosure documents the Office of Government Ethics has published or recorded for Doug Burgum. Open Cabinet summarizes listed documents observationally and links to the source PDF where one is publicly available. We do not issue compliance verdicts — that is OGE’s role, not ours.
Published reporting on Douglas J Burgum's financial disclosures from major outlets.
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Burgum did not disclose oil and gas interests until seven years into his governorship. He voted ~20 times on issues related to his financial interests.
E&E reported that Burgum's OGE financial disclosure and ethics agreement showed more than $2 million in income from family businesses and investments before his Interior confirmation hearing.
Original PDFs from the U.S. Office of Government Ethics. These are the documents Open Cabinet parses.
Source: U.S. Office of Government Ethics, 278-T Periodic Transaction Report. Asset values and transaction amounts are reported in ranges as required by federal law. View original filings
| April 8, 2026 | Arthur Ventures IV, LP - Decimal Technologies, Inc. | Sale | $1K-$15K |
| April 8, 2026 | Arthur Ventures IV, LP - Decimal Technologies, Inc. (IRA) | Sale | $1K-$15K |
| April 8, 2026 | Arthur Ventures V, LP - Hudu Technologies, Inc | Purchase | $1K-$15K |
| April 8, 2026 | Arthur Ventures V, LP - zizzl Health | Purchase | $1K-$15K |
| Jan. 27, 2026 | Arthur Ventures IV, LP - Gridbase (formerly IamGIS) (software) | Purchase | $1K-$15K |
| Jan. 27, 2026 | Arthur Ventures IV, LP - Gridbase (formerly IamGIS) (software) (Roth IRA) | Purchase | $15K-$50K |
| Jan. 27, 2026 | Arthur Ventures V, LP - Aqua (Turnkey alternative investment platform) | Purchase | $15K-$50K |
| Jan. 27, 2026 | Arthur Ventures V, LP - Aqua (Turnkey alternative investment platform) | Purchase | $1K-$15K |
| Jan. 27, 2026 | Arthur Ventures V, LP - Circadian Risk (Security risk assessment software) | Purchase | $1K-$15K |
| Jan. 27, 2026 | Arthur Ventures V, LP - CivicPlus (Software solutions) | Exchange | $50K-$100K |
| Jan. 27, 2026 | Arthur Ventures V, LP - CivicPlus (Software solutions) | Exchange | $1K-$15K |
| Jan. 27, 2026 | Arthur Ventures V, LP - Opterrix (Risk intelligence platform) | Purchase | $15K-$50K |
| Jan. 27, 2026 | Arthur Ventures V, LP - Opterrix (Risk intelligence platform) | Purchase | $1K-$15K |
| Jan. 27, 2026 | Arthur Ventures V, LP - Payroll Integrations (employee benefits recordkeeper) | Purchase | $15K-$50K |
| Jan. 27, 2026 | Arthur Ventures V, LP - Payroll Integrations (employee benefits recordkeeper) | Purchase | $1K-$15K |
| Jan. 27, 2026 | Arthur Ventures V, LP - Streamline (platform services) | Sale | $50K-$100K |
| Jan. 27, 2026 | Arthur Ventures V, LP - Streamline (platform services) | Sale | $1K-$15K |
| Jan. 22, 2026 | Arthur Ventures Growth III, LP - PureSpectrum (market research platform) | Sale | $250K-$500K |
| Jan. 22, 2026 | Arthur Ventures Growth III, LP - PureSpectrum (market research platform) (Roth IRA) | Sale | $100K-$250K |
| Jan. 22, 2026 | Arthur Ventures Growth IV, LP - PureSpectrum (market research platform) | Sale | $100K-$250K |
| Jan. 22, 2026 | Arthur Ventures Growth IV, LP - PureSpectrum (market research platform) | Sale | $1K-$15K |
| Jan. 22, 2026 | Arthur Ventures III, LP - PureSpectrum (market research platform) | Sale | $1M-$5M |
| Dec. 22, 2025 | Arthur Ventures IV, LPLate | Purchase | $15K-$50K |
| Dec. 22, 2025 | Arthur Ventures IV, LP (Roth IRA)Late | Purchase | $15K-$50K |
| Oct. 24, 2025 | Costco Wholesale Corp. | Sale | $1K-$15K |
| Oct. 24, 2025 | iShares Russell 1000 Growth ETF | Purchase | $1K-$15K |
| Oct. 24, 2025 | Schwab Treasury Obligations Money Fund Investor Class Shares | Sale | $1K-$15K |
| Sept. 4, 2025 | Arthur Ventures V, LP | Purchase | $1K-$15K |
| Sept. 4, 2025 | Arthur Ventures V, LP | Purchase | $100K-$250K |
| Aug. 21, 2025 | Arthur Ventures Growth IV, LP | Purchase | $1K-$15K |
| Aug. 21, 2025 | Arthur Ventures Growth IV, LP | Purchase | $100K-$250K |
| July 25, 2025 | Arthur Ventures Growth IV, LP - CertifID, Inc.Late | Purchase | $1K-$15K |
| July 25, 2025 | Arthur Ventures Growth IV, LP - CertifID, Inc.Late | Purchase | $100K-$250K |
| July 25, 2025 | Arthur Ventures Growth IV, LP - Foundant TechnologiesLate | Exchange | $1K-$15K |
| July 25, 2025 | Arthur Ventures Growth IV, LP - Foundant TechnologiesLate | Exchange | $100K-$250K |
| July 25, 2025 | Arthur Ventures Growth IV, LP - Giving Data Holdings, Inc.Late | Sale | $1K-$15K |
| July 25, 2025 | Arthur Ventures Growth IV, LP - Giving Data Holdings, Inc.Late | Sale | $100K-$250K |
| July 25, 2025 | Arthur Ventures Growth IV, LP - Office Puzzle Holdings, Inc.Late | Purchase | $1K-$15K |
| July 25, 2025 | Arthur Ventures Growth IV, LP - Office Puzzle Holdings, Inc.Late | Purchase | $100K-$250K |
| July 25, 2025 | Arthur Ventures V, LP - Senior SignLate | Purchase | $1K-$15K |
| July 25, 2025 | Arthur Ventures V, LP - Zizzle HealthLate | Purchase | $15K-$50K |
| June 6, 2025 | Arthur Ventures II, LP - Jane Software, Inc. | Sale | $1M-$5M |
| June 3, 2025 | SPDR S&P 500 ETF Trust | Purchase | $15K-$50K |
| May 16, 2025 | Arthur Ventures III, LP - Foundant Technologies | Exchange | $250K-$500K |
| May 16, 2025 | Arthur Ventures III, LP - GivingData Holdings, Inc. | Sale | $250K-$500K |
| May 2, 2025 | Goldman Sachs GQG Partners International Opportunities Fund Institutional Class Shs | Purchase | $1K-$15K |
| May 2, 2025 | GQG Partners Emerging Markets Equity Fund Institutional Class Shares | Purchase | $1K-$15K |
| April 16, 2025 | Columbia Dividend Income Fund Institutional 2 Class Shares | Purchase | $1K-$15K |
| April 16, 2025 | Columbia Dividend Income Fund Institutional 2 Class Shares | Purchase | $1K-$15K |
| April 16, 2025 | iShares Russell 1000 Growth ETFLate | Purchase | $1K-$15K |
| April 16, 2025 | Janus Henderson Overseas Fund Class I Shares | Purchase | $1K-$15K |
| April 16, 2025 | Janus Henderson Overseas Fund Class I Shares | Purchase | $1K-$15K |
| April 16, 2025 | Vanguard Equity Income Fund Admiral Shares | Purchase | $1K-$15K |
| April 16, 2025 | Vanguard Intermediate-Term Bond Index Fund Admiral Shares | Sale | $1K-$15K |
| April 10, 2025 | Arthur Ventures Growth III, LP - Threatlocker | Sale | $1K-$15K |
| April 10, 2025 | Arthur Ventures Growth III, LP - ThreatlockerLate | Sale | $1K-$15K |
| April 10, 2025 | Arthur Ventures III, LP - Threatlocker | Sale | $15K-$50K |
| April 7, 2025 | LWO Fund II, LP - Glass Fab Holdings, LLC | Sale | $15K-$50K |
| March 28, 2025 | Columbia Dividend Income Fund Institutional 2 Class SharesLate | Purchase | $15K-$50K |
| March 28, 2025 | Goldman Sachs GQG Partners International Opportunities Fund Institutional Class ShsLate | Purchase | $1K-$15K |
| March 28, 2025 | GQG Partners Emerging Markets Equity Fund Institutional Class SharesLate | Purchase | $1K-$15K |
| March 28, 2025 | iShares Russell 1000 Growth ETFLate | Purchase | $15K-$50K |
| March 28, 2025 | Janus Henderson Enterprise Fund Class I SharesLate | Purchase | $15K-$50K |
| March 28, 2025 | Janus Henderson Overseas Fund Class I SharesLate | Purchase | $15K-$50K |
| March 28, 2025 | Massachusetts Investors Growth Stock Fund Class I SharesLate | Purchase | $15K-$50K |
| March 28, 2025 | T Rowe Price Mid-Cap Value Fund, Inc Class I SharesLate | Purchase | $1K-$15K |
| March 28, 2025 | Vanguard Equity Income Fund Admiral SharesLate | Purchase | $15K-$50K |
| March 28, 2025 | Vanguard High-Yield Tax-Exempt Fund Admiral SharesLate | Purchase | $15K-$50K |
| March 26, 2025 | Lamb Weston Holdings, Inc.Late | Sale | $1K-$15K |
| March 26, 2025 | Massachusetts Investors Growth Stock Fund Class I SharesLate | Purchase | $1K-$15K |
| March 26, 2025 | T Rowe Price Mid-Cap Value Fund, Inc Class I SharesLate | Purchase | $1K-$15K |
| March 25, 2025 | BlackRock Emerging Markets Fund, Inc Institutional SharesLate | Sale | $1K-$15K |
| March 25, 2025 | BlackRock Equity Dividend Fund Institutional SharesLate | Sale | $1K-$15K |
| March 25, 2025 | Causeway International Value Fund Institutional Class SharesLate | Sale | $1K-$15K |
| March 25, 2025 | Columbia Dividend Income Fund Institutional 2 Class SharesLate | Purchase | $1K-$15K |
| March 25, 2025 | Edgewood Growth Fund Institutional Class SharesLate | Sale | $1K-$15K |
| March 25, 2025 | GQG Partners Emerging Markets Equity Fund Institutional Class SharesLate | Purchase | $1K-$15K |
| March 25, 2025 | iShares Core MSCI International Developed Markets ETFLate | Sale | $1K-$15K |
| March 25, 2025 | iShares Russell 1000 Growth ETFLate | Purchase | $1K-$15K |
| March 25, 2025 | Janus Henderson Overseas Fund Class I SharesLate | Purchase | $1K-$15K |
| March 25, 2025 | Massachusetts Investors Growth Stock Fund Class I SharesLate | Purchase | $1K-$15K |
| March 25, 2025 | MFS Value Fund Class I SharesLate | Sale | $1K-$15K |
| March 25, 2025 | Vanguard Equity Income Fund Admiral SharesLate | Purchase | $1K-$15K |
| March 25, 2025 | Vanguard Russell 1000 Growth Index Fund ETF SharesLate | Sale | $1K-$15K |
| March 24, 2025 | iShares Broad USD High Yield Corporate Bond ETFLate | Sale | $1K-$15K |
| March 24, 2025 | iShares US Treasury Bond ETFLate | Sale | $1K-$15K |
| March 24, 2025 | PIMCO Income Fund Institutional Class SharesLate | Purchase | $1K-$15K |
| March 24, 2025 | PIMCO Investment Grade Credit Bond Fund Class I-2 SharesLate | Sale | $15K-$50K |
| March 24, 2025 | Vanguard Intermediate-Term Bond Index Fund Admiral SharesLate | Purchase | $1K-$15K |
| March 24, 2025 | Vanguard Mortgage-Backed Securities Index Fund ETF Class SharesLate | Sale | $1K-$15K |
| March 24, 2025 | Vanguard Total International Bond Index Fund ETF SharesLate | Sale | $1K-$15K |
| March 13, 2025 | FedFund Institutional SharesLate | Sale | $250K-$500K |
| March 12, 2025 | Edgewood Growth Fund Institutional Class SharesLate | Purchase | $1K-$15K |
| March 12, 2025 | Fuller & Thaler Behavioral Small-Cap Equity Fund Institutional Class SharesLate | Purchase | $1K-$15K |
| March 12, 2025 | iShares Broad USD High Yield Corporate Bond ETFLate | Purchase | $1K-$15K |
| March 12, 2025 | iShares Core MSCI International Developed Markets ETFLate | Purchase | $1K-$15K |
| March 12, 2025 | iShares US Treasury Bond ETFLate | Sale | $1K-$15K |
| March 12, 2025 | Oakmark International Fund Institutional Class SharesLate | Sale | $1K-$15K |
Periodic transaction report (Form 278-T) disclosing individual securities transactions over $1,000 during the reporting window. See PDF for the itemized transaction list.
Periodic transaction report (Form 278-T) disclosing individual securities transactions over $1,000 during the reporting window. See PDF for the itemized transaction list.
Signed November 13, 2025 covering a single trading day. Three October 24, 2025 transactions: a Costco (COST) sale, an iShares Russell 1000 Growth ETF (IWF) purchase, and a Schwab Treasury Obligations Money Fund (SNOXX) sale, each in the $1,001-$15,000 range.
Signed September 18, 2025 with a 51-day extension. Discloses 14 Arthur Ventures fund transactions in July, August and September 2025 — capital-call commitments to Arthur Ventures V and Arthur Ventures Growth IV, plus Q2 portfolio activity (Zizzle Health, Senior Sign, GivingData/Foundant Technologies sale-and-exchange, Office Puzzle Holdings, CertifID). Several individual line items reach the $100K-$250K range.
Signed June 12, 2025 covering May and June activity. Discloses 10 transactions, mostly spouse and Arthur Ventures fund activity: GQG Partners and Goldman Sachs international fund purchases, Arthur Ventures II Jane Software sale ($1M-$5M), Arthur Ventures III GivingData/Foundant Technologies sale-and-exchange ($250K-$500K each), and an SPDR S&P 500 ETF purchase.
Signed April 30, 2025 with a 75-day filing extension. Discloses 65 transactions from January through April 2025 covering the divestitures listed in the ethics agreement (Meta, Netflix, Alphabet, Apple, First Solar, Adobe, JPMorgan, Microsoft, Stryker, UnitedHealth, Visa, Atlassian) plus reinvestment into S&P 500 ETFs and a wider mutual-fund portfolio. Includes Arthur Ventures interest sales tied to Protenus and Threatlocker (one valued $500K-$1M, another $1M-$5M). Most transactions are flagged Yes for notification received over 30 days ago.
Filed before the May 7, 2025 OGE deadline. Marks Yes on resignations, divestitures, 278-T filing (referencing the April 30, 2025 transaction report), managed accounts, interim recusals, and both recusal commitments. Marks Yes on a 5 C.F.R. 2635.502(d) authorization dated February 3, 2025 covering the State of North Dakota; no 18 U.S.C. 208 waiver claimed.
Filed January 13, 2025 ahead of confirmation as Interior Secretary. Lists 21 outside positions, the bulk tied to Burgum's Fargo-based holdings (Arthur Ventures venture-capital funds, Kilbourne Group real estate, multiple family LLCs and trusts). Top employment-asset holdings include Arthur Ventures Growth I/III/IV venture-capital funds (each in the $250K-$1M range) and individual stocks in Meta, Netflix, Alphabet, Apple, Adobe, JPMorgan, Microsoft, First Solar and Stryker.
Signed January 13, 2025. Commits to resign from Arthur Companies and become non-managing member of 8 Fargo LLCs (Arthur Ventures GP I, Arthur Ventures Growth Fund, Scoria Road, Lone View, Badlands Media, Kilbourne Group, Kilbourne LLC, Loretta, District 29, Blazing Starr, Tallgrass Studio, Downtown Fargo Real Estate Fund). Pledges to divest within 90 days of confirmation: Meta, Netflix, Alphabet, Apple, First Solar, Adobe, Microsoft, Stryker, Visa, Atlassian, Duke Energy, Enterprise Products Partners, Kinder Morgan, ONEOK, Otter Tail, Targa Resources, VanEck Gold Miners ETF, Verizon, Xcel Energy, plus Burgum Farm Partnership mineral interests and Laurel Road LLC oil/gas lease.
Source: U.S. Office of Government Ethics public disclosure portal. Document summaries are observational and do not constitute compliance determinations. Compliance with ethics agreements is certified by OGE in their own Compliance Certification document, which is listed above when on file.