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QUARTERMAIN ROBERT

Disclosed activity across 2 companies

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52406
SEC CIK
0001238270

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Dakota Gold Corp.DC · Entity 5130Director · CHIEF EXECUTIVE OFFICERApril 13, 2026April 15, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

Dakota Gold Corp.

Report date April 13, 2026 · Filed April 15, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
COMMON STOCKSEC Table I · non-derivativeDirect8,271,675 Reported balance After 2026-04-13 transaction · row 1 Account or security details depend on footnotes; rows are not merged.
1 source row

Row 1 · 2026-04-13 · Exercise / conversion · Acquired 275,000 · Balance 8,271,675

COMMON STOCKSEC Table I · non-derivativeDirect8,044,812 Reported balance After 2026-04-13 transaction · row 2 Account or security details depend on footnotes; rows are not merged.
1 source row

Row 2 · 2026-04-13 · Tax withholding · Disposed 226,863 · Balance 8,044,812

F1: Represents shares of common stock withheld by the Issuer solely for the purposes of paying the exercise price of the stock options in connection with the conversion of the stock options into shares of common stock upon settlement by the Issuer, based on a closing price of $5.77 per share of the common stock on April 13, 2026 on the NYSE American LLC.

COMMON STOCKSEC Table I · non-derivativeDirect8,031,364 Reported balance After 2026-04-15 transaction · row 3 Account or security details depend on footnotes; rows are not merged.
1 source row

Row 3 · 2026-04-15 · Sale · Disposed 13,448 · Balance 8,031,364

F2: Represents shares of common stock sold at a weighted average sale price of $5.61 per share to satisfy tax withholding obligations in connection with the conversion of the stock options into shares of common stock upon settlement by the Issuer. These shares were sold in multiple transactions at prices ranging from $5.60 to $5.61. The reporting person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares of common stock sold at each separate price.

STOCK OPTIONSSEC Table II · derivative / convertible security · Conversion / exercise price $4.76 · Expires 2026-05-17Direct0 Reported balance After 2026-04-13 transaction · row 4 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 4 · 2026-04-13 · Exercise / conversion · Disposed 275,000 · Balance 0

F3: The options vested one-third on each of May 17, 2021, May 17, 2022, and May 17, 2023.

Filing footnotes · ownership attribution and instrument terms

F1: Represents shares of common stock withheld by the Issuer solely for the purposes of paying the exercise price of the stock options in connection with the conversion of the stock options into shares of common stock upon settlement by the Issuer, based on a closing price of $5.77 per share of the common stock on April 13, 2026 on the NYSE American LLC.

F2: Represents shares of common stock sold at a weighted average sale price of $5.61 per share to satisfy tax withholding obligations in connection with the conversion of the stock options into shares of common stock upon settlement by the Issuer. These shares were sold in multiple transactions at prices ranging from $5.60 to $5.61. The reporting person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares of common stock sold at each separate price.

F3: The options vested one-third on each of May 17, 2021, May 17, 2022, and May 17, 2023.

Past disclosures · reporting ended (1)

No longer tracked through insider filings. These historical balances do not imply present ownership or a zero position.

DAKOTA TERRITORY RESOURCE CORP

Report date March 31, 2022 · Filed April 04, 2022

Section 16 reporting ended · disclosed 2022-04-04. Current position is not established by this disclosure.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect0 Reported balance After 2022-03-31 transaction · row 1
1 source row

Row 1 · 2022-03-31 · Disposition to issuer · Disposed 425,000 · Balance 0

F1: Reflects securities disposed of pursuant to the Mergers (as defined below). On March 31, 2022, the Issuer and Dakota Gold Corp., formerly JR Resources Corp. ("Dakota Gold") combined pursuant to that certain Amended and Restated Agreement and Plan of Merger entered into by and among the Issuer, Dakota Gold, DGC Merger Sub I Corp. ("Merger Sub I") and DGC Merger Sub II LLC ("Merger Sub II"), dated as of September 10, 2021 (the "Merger Agreement"). In accordance with the Merger Agreement, Merger Sub I merged with and into the Issuer (the "First Merger"), with the Issuer surviving and then merging with and into Merger Sub II, with Merger Sub II surviving as a wholly-owned subsidiary of Dakota Gold (the "Mergers"). JR Resources Corp. changed its name to Dakota Gold Corp. prior to the Mergers.

F2: At the effective time of the Mergers, each outstanding share of the Issuer's common stock (other than certain excluded shares) automatically canceled and converted into the right to receive one share of Dakota Gold common stock.

Stock OptionsSEC Table II · derivative / convertible security · Conversion / exercise price $4.76 · Expires 2026-05-17Direct0 Reported balance After 2022-03-31 transaction · row 2 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 2 · 2022-03-31 · Disposition to issuer · Disposed 275,000 · Balance 0

F1: Reflects securities disposed of pursuant to the Mergers (as defined below). On March 31, 2022, the Issuer and Dakota Gold Corp., formerly JR Resources Corp. ("Dakota Gold") combined pursuant to that certain Amended and Restated Agreement and Plan of Merger entered into by and among the Issuer, Dakota Gold, DGC Merger Sub I Corp. ("Merger Sub I") and DGC Merger Sub II LLC ("Merger Sub II"), dated as of September 10, 2021 (the "Merger Agreement"). In accordance with the Merger Agreement, Merger Sub I merged with and into the Issuer (the "First Merger"), with the Issuer surviving and then merging with and into Merger Sub II, with Merger Sub II surviving as a wholly-owned subsidiary of Dakota Gold (the "Mergers"). JR Resources Corp. changed its name to Dakota Gold Corp. prior to the Mergers.

F4: At the effective time of the Mergers, each outstanding Issuer stock option or restricted stock unit, whether vested or unvested, was assumed and converted into an option or restricted stock unit, as applicable, with respect to shares of common stock of Dakota Gold equal to the number of shares of Issuer common stock subject to such option or restricted share unit, on the same terms and conditions as applied to such option or restricted share unit immediately prior to the effective time of the Mergers.

F3: The options vest one-third on May 17, 2021, one-third on the first anniversary of the date of grant and one-third on the second anniversary of the date of grant

Filing footnotes · ownership attribution and instrument terms

F1: Reflects securities disposed of pursuant to the Mergers (as defined below). On March 31, 2022, the Issuer and Dakota Gold Corp., formerly JR Resources Corp. ("Dakota Gold") combined pursuant to that certain Amended and Restated Agreement and Plan of Merger entered into by and among the Issuer, Dakota Gold, DGC Merger Sub I Corp. ("Merger Sub I") and DGC Merger Sub II LLC ("Merger Sub II"), dated as of September 10, 2021 (the "Merger Agreement"). In accordance with the Merger Agreement, Merger Sub I merged with and into the Issuer (the "First Merger"), with the Issuer surviving and then merging with and into Merger Sub II, with Merger Sub II surviving as a wholly-owned subsidiary of Dakota Gold (the "Mergers"). JR Resources Corp. changed its name to Dakota Gold Corp. prior to the Mergers.

F2: At the effective time of the Mergers, each outstanding share of the Issuer's common stock (other than certain excluded shares) automatically canceled and converted into the right to receive one share of Dakota Gold common stock.

F3: The options vest one-third on May 17, 2021, one-third on the first anniversary of the date of grant and one-third on the second anniversary of the date of grant

F4: At the effective time of the Mergers, each outstanding Issuer stock option or restricted stock unit, whether vested or unvested, was assumed and converted into an option or restricted stock unit, as applicable, with respect to shares of common stock of Dakota Gold equal to the number of shares of Issuer common stock subject to such option or restricted share unit, on the same terms and conditions as applied to such option or restricted share unit immediately prior to the effective time of the Mergers.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
April 15, 2026 Filed Apr 15, 2026 20:05 UTC Dakota Gold Corp. DC · Entity 5130 SaleCOMMON STOCK 13,448 $5.61 $75,443.28
Disclosure

SEC source: 0001104659-26-043785 · tm2611913-1_4seq1.xml · nonDerivative · entry 3

QUARTERMAIN ROBERT · CIK 0001238270 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,031,364

F2 · security: Represents shares of common stock sold at a weighted average sale price of $5.61 per share to satisfy tax withholding obligations in connection with the conversion of the stock options into shares of common stock upon settlement by the Issuer. These shares were sold in multiple transactions at prices ranging from $5.60 to $5.61. The reporting person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares of common stock sold at each separate price.

Read SEC document
April 13, 2026 Filed Apr 15, 2026 20:05 UTC Dakota Gold Corp. DC · Entity 5130 Exercise / conversionSTOCK OPTIONS · Derivative 275,000 $0.00 Strike: $4.76 $0.00
Disclosure

SEC source: 0001104659-26-043785 · tm2611913-1_4seq1.xml · derivative · entry 4

QUARTERMAIN ROBERT · CIK 0001238270 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: COMMON STOCK · 275,000 shares

Expires 2026-05-17

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: The options vested one-third on each of May 17, 2021, May 17, 2022, and May 17, 2023.

Read SEC document
April 13, 2026 Filed Apr 15, 2026 20:05 UTC Dakota Gold Corp. DC · Entity 5130 Tax withholdingCOMMON STOCK 226,863 $5.77 $1,308,999.51
Disclosure

SEC source: 0001104659-26-043785 · tm2611913-1_4seq1.xml · nonDerivative · entry 2

QUARTERMAIN ROBERT · CIK 0001238270 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,044,812

F1 · security: Represents shares of common stock withheld by the Issuer solely for the purposes of paying the exercise price of the stock options in connection with the conversion of the stock options into shares of common stock upon settlement by the Issuer, based on a closing price of $5.77 per share of the common stock on April 13, 2026 on the NYSE American LLC.

Read SEC document
April 13, 2026 Filed Apr 15, 2026 20:05 UTC Dakota Gold Corp. DC · Entity 5130 Exercise / conversionCOMMON STOCK 275,000 $4.76 $1,309,000.00
Disclosure

SEC source: 0001104659-26-043785 · tm2611913-1_4seq1.xml · nonDerivative · entry 1

QUARTERMAIN ROBERT · CIK 0001238270 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,271,675

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
March 04, 2026 Filed Mar 5, 2026 21:01 UTC Dakota Gold Corp. DC · Entity 5130 OtherCOMMON STOCK 37,702 $6.32 $238,336.96
Disclosure

SEC source: 0001104659-26-024080 · tm268085-1_4seq1.xml · nonDerivative · entry 1

QUARTERMAIN ROBERT · CIK 0001238270 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,996,675

F1 · security: Represents shares of common stock sold by the Reporting Person on March 4, 2026 solely for the purpose of satisfying tax withholding obligations in connection with the conversion of an aggregate of 68,882 restricted stock units, which vested on March 1, 2026 and March 3, 2026, into shares of common stock upon settlement by the Issuer. Reflects a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $6.32 to $6.335. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of common shares sold at each separate price.

F1 · price: Represents shares of common stock sold by the Reporting Person on March 4, 2026 solely for the purpose of satisfying tax withholding obligations in connection with the conversion of an aggregate of 68,882 restricted stock units, which vested on March 1, 2026 and March 3, 2026, into shares of common stock upon settlement by the Issuer. Reflects a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $6.32 to $6.335. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of common shares sold at each separate price.

Read SEC document
January 29, 2026 Filed Jan 30, 2026 19:34 UTC Dakota Gold Corp. DC · Entity 5130 OtherWARRANTS · Derivative 541,133 $0.00 Strike: $2.08 $0.00
Disclosure

SEC source: 0001104659-26-008549 · tm264592-1_4seq1.xml · derivative · entry 2

QUARTERMAIN ROBERT · CIK 0001238270 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: COMMON STOCK · 541,133 shares

Expires 2026-03-15

Read SEC document
January 29, 2026 Filed Jan 30, 2026 19:34 UTC Dakota Gold Corp. DC · Entity 5130 OtherCOMMON STOCK 541,133 $2.08 $1,125,556.64
Disclosure

SEC source: 0001104659-26-008549 · tm264592-1_4seq1.xml · nonDerivative · entry 1

QUARTERMAIN ROBERT · CIK 0001238270 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,034,377

Read SEC document
January 23, 2026 Filed Jan 24, 2026 01:24 UTC Dakota Gold Corp. DC · Entity 5130 SaleCOMMON STOCK 250,000 $6.88 $1,720,875.00
Disclosure

SEC source: 0001104659-26-006337 · tm264000-1_4seq1.xml · nonDerivative · entry 1

QUARTERMAIN ROBERT · CIK 0001238270 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,493,244

F1 · price: Reflects a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $6.76 to $7.00. The reporting person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares of common stock sold at each separate price.

Read SEC document
September 02, 2025 Filed Sep 3, 2025 23:47 UTC Dakota Gold Corp. DC · Entity 5130 GrantSTOCK OPTIONS · Derivative 325,000 $0.00 Strike: $4.17 $0.00
Disclosure

SEC source: 0001062993-25-015290 · form4.xml · derivative · entry 1

QUARTERMAIN ROBERT · CIK 0001238270 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 325,000

Underlying: COMMON STOCK · 325,000 shares

Expires 2030-09-02

F1 · derivative.exercise_date: The options are scheduled to vest in three equal tranches on September 2, 2026, September 2, 2027 and September 2, 2028.

Read SEC document
April 04, 2025 Filed Apr 4, 2025 21:08 UTC Dakota Gold Corp. DC · Entity 5130 PurchaseCOMMON STOCK 15,000 $2.50 $37,500.00
Disclosure

SEC source: 0001062993-25-007114 · form4.xml · nonDerivative · entry 3

QUARTERMAIN ROBERT · CIK 0001238270 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: Not disclosed

Read SEC document
April 03, 2025 Filed Apr 4, 2025 21:08 UTC Dakota Gold Corp. DC · Entity 5130 PurchaseCOMMON STOCK 25,000 $2.61 $65,125.00
Disclosure

SEC source: 0001062993-25-007114 · form4.xml · nonDerivative · entry 2

QUARTERMAIN ROBERT · CIK 0001238270 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: Not disclosed

Read SEC document
April 02, 2025 Filed Apr 4, 2025 21:08 UTC Dakota Gold Corp. DC · Entity 5130 PurchaseCOMMON STOCK 25,000 $2.62 $65,375.00
Disclosure

SEC source: 0001062993-25-007114 · form4.xml · nonDerivative · entry 1

QUARTERMAIN ROBERT · CIK 0001238270 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: Not disclosed

F1 · valueOwnedAfter: Due administrative error, the reporting person's balance has been overstated by three shares of common stock. The amount of the reporting person's holdings has been corrected herein.

Read SEC document
March 01, 2025 Filed Mar 6, 2025 01:08 UTC Dakota Gold Corp. DC · Entity 5130 GrantCOMMON STOCK 82,508 $0.00 $0.00
Disclosure

SEC source: 0001062993-25-004708 · form4.xml · nonDerivative · entry 3

QUARTERMAIN ROBERT · CIK 0001238270 · Director · PRESIDENT AND CHIEF EXECUTIVE

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,678,247

F3 · security: Represents RSUs granted under the Issuer???s 2022 Stock Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer???s common stock. The RSUs are scheduled to vest in three equal tranches on March 1, 2026, March 1, 2027 and March 1, 2028.

Read SEC document
March 01, 2025 Filed Mar 6, 2025 01:08 UTC Dakota Gold Corp. DC · Entity 5130 Tax withholdingCOMMON STOCK 12,618 $3.03 $38,232.54
Disclosure

SEC source: 0001062993-25-004708 · form4.xml · nonDerivative · entry 2

QUARTERMAIN ROBERT · CIK 0001238270 · Director · PRESIDENT AND CHIEF EXECUTIVE

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,595,739

F2 · security: Represents shares of common stock withheld by the Issuer solely for the purpose of satisfying tax withholding obligations in connection with the conversion of the vested RSUs into shares of common stock upon settlement by the Issuer, based on a closing price of $3.03 per share of the common stock on February 28, 2025 on the NYSE American.

Read SEC document
March 01, 2025 Filed Mar 6, 2025 01:08 UTC Dakota Gold Corp. DC · Entity 5130 Tax withholdingCOMMON STOCK 9,520 $3.03 $28,845.60
Disclosure

SEC source: 0001062993-25-004708 · form4.xml · nonDerivative · entry 1

QUARTERMAIN ROBERT · CIK 0001238270 · Director · PRESIDENT AND CHIEF EXECUTIVE

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,608,357

F1 · security: Represents shares of common stock withheld by the Issuer solely for the purpose of satisfying tax withholding obligations in connection with the conversion of the vested restricted stock units ("RSUs") into shares of common stock upon settlement by the Issuer, based on a closing price of $3.03 per share of the common stock on February 28, 2025 on the NYSE American.

Read SEC document
November 21, 2024 Filed Nov 22, 2024 14:31 UTC Dakota Gold Corp. DC · Entity 5130 PurchaseCommon Stock 5,000 $2.21 $11,065.00
Disclosure

SEC source: 0001062993-24-019564 · form4.xml · nonDerivative · entry 4

QUARTERMAIN ROBERT · CIK 0001238270 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,617,877

Read SEC document
November 21, 2024 Filed Nov 22, 2024 14:31 UTC Dakota Gold Corp. DC · Entity 5130 PurchaseCommon Stock 15,000 $2.21 $33,090.00
Disclosure

SEC source: 0001062993-24-019564 · form4.xml · nonDerivative · entry 3

QUARTERMAIN ROBERT · CIK 0001238270 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,612,877

Read SEC document
November 20, 2024 Filed Nov 22, 2024 14:31 UTC Dakota Gold Corp. DC · Entity 5130 PurchaseCommon Stock 5,000 $2.18 $10,895.00
Disclosure

SEC source: 0001062993-24-019564 · form4.xml · nonDerivative · entry 2

QUARTERMAIN ROBERT · CIK 0001238270 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,597,877

Read SEC document
November 20, 2024 Filed Nov 22, 2024 14:31 UTC Dakota Gold Corp. DC · Entity 5130 PurchaseCommon Stock 15,000 $2.22 $33,330.00
Disclosure

SEC source: 0001062993-24-019564 · form4.xml · nonDerivative · entry 1

QUARTERMAIN ROBERT · CIK 0001238270 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,592,877

Read SEC document
November 19, 2024 Filed Nov 20, 2024 01:45 UTC Dakota Gold Corp. DC · Entity 5130 PurchaseCommon Stock 15,000 $2.16 $32,415.00
Disclosure

SEC source: 0001062993-24-019384 · form4.xml · nonDerivative · entry 2

QUARTERMAIN ROBERT · CIK 0001238270 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,577,877

Read SEC document
November 19, 2024 Filed Nov 20, 2024 01:45 UTC Dakota Gold Corp. DC · Entity 5130 PurchaseCommon Stock 20,000 $2.17 $43,320.00
Disclosure

SEC source: 0001062993-24-019384 · form4.xml · nonDerivative · entry 1

QUARTERMAIN ROBERT · CIK 0001238270 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,562,877

Read SEC document
November 06, 2024 Filed Nov 7, 2024 01:28 UTC Dakota Gold Corp. DC · Entity 5130 PurchaseCommon Stock 20,000 $2.47 $49,400.00
Disclosure

SEC source: 0001062993-24-018526 · form4.xml · nonDerivative · entry 2

QUARTERMAIN ROBERT · CIK 0001238270 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,542,877

Read SEC document
November 05, 2024 Filed Nov 7, 2024 01:28 UTC Dakota Gold Corp. DC · Entity 5130 PurchaseCommon Stock 20,000 $2.28 $45,600.00
Disclosure

SEC source: 0001062993-24-018526 · form4.xml · nonDerivative · entry 1

QUARTERMAIN ROBERT · CIK 0001238270 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,522,877

Read SEC document
March 01, 2024 Filed Mar 5, 2024 20:55 UTC Dakota Gold Corp. DC · Entity 5130 GrantCommon Stock 70,755 $0.00 $0.00
Disclosure

SEC source: 0001062993-24-005452 · form4.xml · nonDerivative · entry 1

QUARTERMAIN ROBERT · CIK 0001238270 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,502,877

F1 · shares: Represents restricted stock units ("RSU"). Each RSU represents a contingent right to receive one share of Dakota Gold Corp. common stock. The RSUs are scheduled to vest in three equal tranches on March 1, 2025, March 1, 2026 and March 1, 2027.

Read SEC document
February 13, 2024 Filed Feb 15, 2024 01:12 UTC Dakota Gold Corp. DC · Entity 5130 PurchaseCommon Stock 10,000 $2.00 $20,000.00
Disclosure

SEC source: 0001062993-24-003228 · form4.xml · nonDerivative · entry 1

QUARTERMAIN ROBERT · CIK 0001238270 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,432,122

Read SEC document
February 05, 2024 Filed Feb 7, 2024 00:28 UTC Dakota Gold Corp. DC · Entity 5130 PurchaseCommon Stock 10,000 $2.10 $21,000.00
Disclosure

SEC source: 0001062993-24-002116 · form4.xml · nonDerivative · entry 2

QUARTERMAIN ROBERT · CIK 0001238270 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,422,122

Read SEC document
February 05, 2024 Filed Feb 7, 2024 00:28 UTC Dakota Gold Corp. DC · Entity 5130 PurchaseCommon Stock 10,000 $2.00 $19,970.00
Disclosure

SEC source: 0001062993-24-002116 · form4.xml · nonDerivative · entry 1

QUARTERMAIN ROBERT · CIK 0001238270 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,412,122

Read SEC document
February 02, 2024 Filed Feb 5, 2024 19:19 UTC Dakota Gold Corp. DC · Entity 5130 PurchaseCommon Stock 7,060 $2.10 $14,804.82
Disclosure

SEC source: 0001062993-24-001916 · form4.xml · nonDerivative · entry 1

QUARTERMAIN ROBERT · CIK 0001238270 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,402,122

Read SEC document
May 11, 2023 Filed May 13, 2023 00:05 UTC Dakota Gold Corp. DC · Entity 5130 Tax withholdingCommon Stock 7,044 $3.73 $26,274.12
Disclosure

SEC source: 0001062993-23-010993 · form4.xml · nonDerivative · entry 1

QUARTERMAIN ROBERT · CIK 0001238270 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,395,062

F1 · shares: On September 2, 2022, the Reporting Person was granted 13,289 restricted stock units ("RSUs"), which represent a contingent right to receive one share of Common Stock for each RSU. All of the RSUs vested on May 11, 2023, resulting in the issuance of 6,245 shares of Common Stock on conversion of such vested RSUs and 7,044 shares of Common Stock withheld by the Issuer for taxes due on such conversion.

Read SEC document
March 01, 2023 Filed Mar 3, 2023 19:38 UTC Dakota Gold Corp. DC · Entity 5130 GrantCommon Stock 53,381 $0.00 $0.00
Disclosure

SEC source: 0001062993-23-005805 · form4.xml · nonDerivative · entry 1

QUARTERMAIN ROBERT · CIK 0001238270 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,402,106

F1 · shares: Represents restricted stock units ("RSU"). Each RSU represents a contingent right to receive one share of Dakota Gold Corp. common stock. The RSUs are scheduled to vest in three equal tranches on March 1, 2024, March 1, 2025 and March 1, 2026.

Read SEC document
September 02, 2022 Filed Sep 7, 2022 21:00 UTC Dakota Gold Corp. DC · Entity 5130 GrantCommon Stock 13,289 $0.00 $0.00
Disclosure

SEC source: 0001062993-22-019322 · form4.xml · nonDerivative · entry 1

QUARTERMAIN ROBERT · CIK 0001238270 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,348,725

F1 · shares: Represents restricted stock units ("RSU"). Each RSU represents a contingent right to receive one share of Dakota Gold Corp. common stock. The RSUs are scheduled to vest on May 11, 2023.

Read SEC document
June 03, 2022 Filed Jun 6, 2022 22:47 UTC Dakota Gold Corp. DC · Entity 5130 PurchaseCommon Stock 10,000 $3.24 $32,425.00
Disclosure

SEC source: 0001062993-22-014403 · form4.xml · nonDerivative · entry 1

QUARTERMAIN ROBERT · CIK 0001238270 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,335,436

Read SEC document
April 13, 2022 Filed Apr 13, 2022 21:02 UTC Dakota Gold Corp. DC · Entity 5130 PurchaseCommon Stock 10,000 $4.99 $49,900.00
Disclosure

SEC source: 0001062993-22-010209 · form4.xml · nonDerivative · entry 1

QUARTERMAIN ROBERT · CIK 0001238270 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,325,436

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March 31, 2022 Filed Apr 5, 2022 01:12 UTC Dakota Gold Corp. DC · Entity 5130 GrantStock Options · Derivative 275,000 Not disclosed Strike: $4.76 Not disclosed
Disclosure

SEC source: 0001062993-22-009581 · form4.xml · derivative · entry 2

QUARTERMAIN ROBERT · CIK 0001238270 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 275,000

Underlying: Common Stock · 275,000 shares

Expires 2026-05-17

F1 · kind: Reflects securities acquired pursuant to the Mergers (as defined below). On March 31, 2022, Dakota Territory Resource Corp. ("DTRC") and Dakota Gold Corp., formerly JR Resources Corp. ("Dakota Gold") combined pursuant to that certain Amended and Restated Agreement and Plan of Merger entered into by and among the Issuer, Dakota Gold, DGC Merger Sub I Corp. ("Merger Sub I") and DGC Merger Sub II LLC ("Merger Sub II"), dated as of September 10, 2021 (the "Merger Agreement"). In accordance with the Merger Agreement, Merger Sub I merged with and into DTRC, with DTRC surviving and then merging with and into Merger Sub II, with Merger Sub II surviving as a wholly-owned subsidiary of Dakota Gold (the "Mergers"). JR Resources Corp. changed its name to Dakota Gold Corp. prior to the Mergers.

F4 · price: At the effective time of the Mergers, each outstanding DTRC stock option or restricted stock unit, whether vested or unvested, was assumed and converted into an option or restricted stock unit, as applicable, with respect to shares of common stock of Dakota Gold equal to the number of shares of DTRC common stock subject to such option or restricted share unit, on the same terms and conditions as applied to such option or restricted share unit immediately prior to the effective time of the Mergers.

F3 · derivative.exercise_date: The options vest one-third on May 17, 2021, one-third on the first anniversary of the date of grant and one-third on the second anniversary of the date of grant.

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March 31, 2022 Filed Apr 5, 2022 01:12 UTC Dakota Gold Corp. DC · Entity 5130 GrantCommon Stock 425,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001062993-22-009581 · form4.xml · nonDerivative · entry 1

QUARTERMAIN ROBERT · CIK 0001238270 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,315,436

F1 · kind: Reflects securities acquired pursuant to the Mergers (as defined below). On March 31, 2022, Dakota Territory Resource Corp. ("DTRC") and Dakota Gold Corp., formerly JR Resources Corp. ("Dakota Gold") combined pursuant to that certain Amended and Restated Agreement and Plan of Merger entered into by and among the Issuer, Dakota Gold, DGC Merger Sub I Corp. ("Merger Sub I") and DGC Merger Sub II LLC ("Merger Sub II"), dated as of September 10, 2021 (the "Merger Agreement"). In accordance with the Merger Agreement, Merger Sub I merged with and into DTRC, with DTRC surviving and then merging with and into Merger Sub II, with Merger Sub II surviving as a wholly-owned subsidiary of Dakota Gold (the "Mergers"). JR Resources Corp. changed its name to Dakota Gold Corp. prior to the Mergers.

F2 · price: Pursuant to the terms of the Merger Agreement, as the effective time of the Mergers, each outstanding share of DTRC common stock (other than certain excluded shares) was automatically canceled and converted into the right to receive one share of Dakota Gold common stock.

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March 31, 2022 Filed Apr 4, 2022 21:16 UTC DAKOTA TERRITORY RESOURCE CORP DTRC · Entity 128410 Disposition to issuerStock Options · Derivative 275,000 Not disclosed Strike: $4.76 Not disclosed
Disclosure

SEC source: 0001062993-22-009585 · form4.xml · derivative · entry 2

QUARTERMAIN ROBERT · CIK 0001238270 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 275,000 shares

Expires 2026-05-17

F1 · kind: Reflects securities disposed of pursuant to the Mergers (as defined below). On March 31, 2022, the Issuer and Dakota Gold Corp., formerly JR Resources Corp. ("Dakota Gold") combined pursuant to that certain Amended and Restated Agreement and Plan of Merger entered into by and among the Issuer, Dakota Gold, DGC Merger Sub I Corp. ("Merger Sub I") and DGC Merger Sub II LLC ("Merger Sub II"), dated as of September 10, 2021 (the "Merger Agreement"). In accordance with the Merger Agreement, Merger Sub I merged with and into the Issuer (the "First Merger"), with the Issuer surviving and then merging with and into Merger Sub II, with Merger Sub II surviving as a wholly-owned subsidiary of Dakota Gold (the "Mergers"). JR Resources Corp. changed its name to Dakota Gold Corp. prior to the Mergers.

F4 · price: At the effective time of the Mergers, each outstanding Issuer stock option or restricted stock unit, whether vested or unvested, was assumed and converted into an option or restricted stock unit, as applicable, with respect to shares of common stock of Dakota Gold equal to the number of shares of Issuer common stock subject to such option or restricted share unit, on the same terms and conditions as applied to such option or restricted share unit immediately prior to the effective time of the Mergers.

F3 · derivative.exercise_date: The options vest one-third on May 17, 2021, one-third on the first anniversary of the date of grant and one-third on the second anniversary of the date of grant

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March 31, 2022 Filed Apr 4, 2022 21:16 UTC DAKOTA TERRITORY RESOURCE CORP DTRC · Entity 128410 Disposition to issuerCommon Stock 425,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001062993-22-009585 · form4.xml · nonDerivative · entry 1

QUARTERMAIN ROBERT · CIK 0001238270 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · kind: Reflects securities disposed of pursuant to the Mergers (as defined below). On March 31, 2022, the Issuer and Dakota Gold Corp., formerly JR Resources Corp. ("Dakota Gold") combined pursuant to that certain Amended and Restated Agreement and Plan of Merger entered into by and among the Issuer, Dakota Gold, DGC Merger Sub I Corp. ("Merger Sub I") and DGC Merger Sub II LLC ("Merger Sub II"), dated as of September 10, 2021 (the "Merger Agreement"). In accordance with the Merger Agreement, Merger Sub I merged with and into the Issuer (the "First Merger"), with the Issuer surviving and then merging with and into Merger Sub II, with Merger Sub II surviving as a wholly-owned subsidiary of Dakota Gold (the "Mergers"). JR Resources Corp. changed its name to Dakota Gold Corp. prior to the Mergers.

F2 · price: At the effective time of the Mergers, each outstanding share of the Issuer's common stock (other than certain excluded shares) automatically canceled and converted into the right to receive one share of Dakota Gold common stock.

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July 21, 2021 Filed Jul 22, 2021 19:04 UTC DAKOTA TERRITORY RESOURCE CORP DTRC · Entity 128410 GrantCommon Stock 50,000 $4.50 $225,000.00
Disclosure

SEC source: 0001062993-21-006664 · form4.xml · nonDerivative · entry 1

QUARTERMAIN ROBERT · CIK 0001238270 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 425,000

Read SEC document
June 04, 2021 Filed Jun 8, 2021 17:54 UTC DAKOTA TERRITORY RESOURCE CORP DTRC · Entity 128410 GrantCommon Stock 375,000 $0.00 $0.00
Disclosure

SEC source: 0001567619-21-011852 · doc1.xml · nonDerivative · entry 1

QUARTERMAIN ROBERT · CIK 0001238270 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 375,000

F1 · price: The Reporting Person received the shares in the form of a stock grant award pursuant to the Company's equity plan. FMV on date of award was $5.01.

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May 17, 2021 Filed May 18, 2021 19:56 UTC DAKOTA TERRITORY RESOURCE CORP DTRC · Entity 128410 GrantStock Option (Right to Buy) · Derivative 1,100,000 $0.00 Strike: $1.19 $0.00
Disclosure

SEC source: 0001362118-21-000007 · primary_doc.xml · derivative · entry 1

QUARTERMAIN ROBERT · CIK 0001238270 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,100,000

Underlying: Common Stock · 1,100,000 shares

Expires 2026-05-17

F1 · derivative.exercise_date: The options vest one-third immediately, one-third on the first anniversary of the date of grant and one-third on the second anniversary of the date of grant.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.