Open-market purchases and sales reported on SEC Forms 4 and 5, with each filing and its footnotes.
Since Oct 4, 2025
Transactions
12
Purchases
1
Sales
11
Purchase value
$100.36K
Sale value
$3.83M
Values are shares multiplied by reported price when both were supplied, each trade counted once however many filers reported it.
Campbell ShawnCHIEF DEVELOPMENT OFFICER
4
Filed Sep 11, 2026Period of report Sep 9, 20260001104659-26-107049
Transaction
Security
Shares
Price
ValueValue (shares × price)
Held after
Ownership
SaleSep 9, 2026
COMMON STOCKF1
1,906
$6.0301
$11.49K
356,401
Direct
Filing footnotes · 1
F1Represents shares of common stock sold by the Reporting Person on September 9, 2026 solely for the purpose of satisfying tax withholding obligations in connection with the conversion of an aggregate of 3,753 restricted stock units, which vested on September 8, 2026, into shares of common stock upon settlement by the Issuer.
Filed Jan 23, 2026Period of report Jan 23, 20260001104659-26-006337
Transaction
Security
Shares
Price
ValueValue (shares × price)
Held after
Ownership
SaleJan 23, 2026
COMMON STOCKF1
250,000
$6.8835
$1.72M
7,493,244
Direct
Campbell ShawnCHIEF FINANCIAL OFFICER
4
Filed Jan 23, 2026Period of report Jan 21, 20260001104659-26-006333
Transaction
Security
Shares
Price
ValueValue (shares × price)
Held after
Ownership
SaleJan 21, 2026
COMMON STOCKF1
55,000
$6.2962
$346.29K
179,491
Indirect
O'Rourke Stephen T.Director
4
Filed Oct 20, 2025Period of report Oct 16, 20250001062993-25-016219
Transaction
Security
Shares
Price
ValueValue (shares × price)
Held after
Ownership
SaleOct 20, 2025
COMMON STOCKF2
50,000
$4.6649
$233.25K
918,199
Direct
P and S transaction codes only. Grants, gifts, option exercises, tax withholding, and Form 144 notices are not counted as purchases or sales. A row whose filed price fails a plausibility check, or that is not common stock, is listed but left out of the values; a trade reported by several filers is counted once.
Filing footnotes · 2
F1Represents shares of common stock sold at a weighted average sale price of $6.1169 per share. These shares were sold in multiple transactions at prices ranging from $6.145 to $6.155. 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.
F2The options vested in one-third tranches on September 13, 2021, September 13, 2022, and September 13, 2023.
F1The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on January 12, 2026. Represents shares of common stock sold at a weighted average sale price of $5.56 per share. These shares were sold in multiple transactions at prices ranging from $5.560 to $5.575. 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.
F1Represents 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.
F2Represents 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.
F3The options vested one-third on each of May 17, 2021, May 17, 2022, and May 17, 2023.
F1The Reporting Person was previously granted 62,278 performance stock units ("PSUs") on March 1, 2023, which can vest between 0% - 200% of the target number of shares, based on relative total stockholder return of the Issuer as compared to the MVIS Global Junior Gold Miners Index (the "MVIS Index"). Approximately one-third of such PSUs vested in 2026 at 84% of the target number of shares, were settled on February 27, 2026 and were converted into 17,438 shares of common stock.
F2The Reporting Person was previously granted 82,547 PSUs on March 1, 2024, which can vest between 0% - 200% of the target number of shares, based on relative total stockholder return of the Issuer as compared to the MVIS Index. Approximately one-third of such PSUs vested in 2026 at 84% of the target number of shares, were settled on February 27, 2026 and were converted into 23,112 shares of common stock.
F3The Reporting Person was previously granted 57,755 PSUs on March 1, 2024, which can vest between 0% - 200% of the target number of shares, based on relative total stockholder return of the Issuer as compared to the MVIS Index. Approximately one-third of such PSUs vested in 2026 at 84% of the target number of shares, were settled on February 27, 2026 and were converted into 16,170 shares of common stock.
F4Represents shares of common stock sold by the Reporting Person on February 27, 2026 solely for the purpose of satisfying tax withholding obligations in connection with the conversion of the vested PSUs 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 $7.0101 to $7.035. 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.
F5Represents shares of common stock withheld by the Issuer solely for the purposes of (i) paying the exercise price of the stock options and (ii) satisfying tax withholding obligations in connection with the conversion of the stock options into shares of common stock upon settlement by the Issuer, each based on a closing price of $6.87 per share of the common stock on February 27, 2026 on the NYSE American LLC.
F1The Reporting Person was previously granted 53,381 performance stock units ("PSUs") on March 1, 2023, which can vest between 0% - 200% of the target number of shares, based on relative total stockholder return of the Issuer as compared to the MVIS Global Junior Gold Miners Index (the "MVIS Index"). Approximately one-third of such PSUs vested in 2026 at 84% of the target number of shares, were settled on February 27, 2026 and were converted into 14,947 shares of common stock.
F2The Reporting Person was previously granted 70,755 PSUs on March 1, 2024, which can vest between 0% - 200% of the target number of shares, based on relative total stockholder return of the Issuer as compared to the MVIS Index. Approximately one-third of such PSUs vested in 2026 at 84% of the target number of shares, were settled on February 27, 2026 and were converted into 19,811 shares of common stock.
F3The Reporting Person was previously granted 49,504 PSUs on March 1, 2025, which can vest between 0% - 200% of the target number of shares, based on relative total stockholder return of the Issuer as compared to the MVIS Index. Approximately one-third of such PSUs vested in 2026 at 84% of the target number of shares, were settled on February 27, 2026 and were converted into 13,860 shares of common stock.
F4Represents shares of common stock sold by the Reporting Person on February 27, 2026 solely for the purpose of satisfying tax withholding obligations in connection with the conversion of the vested PSUs 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 $7.01 to $7.0302. 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.
F1Reflects 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.
F1Reflects a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $6.225 to $6.44. 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.
F1Reflects a weighted average purchase price. These shares were sold in multiple transactions at prices ranging from $4.8597 to $4.7615. 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.
F2Reflects a weighted average purchase price. These shares were sold in multiple transactions at prices ranging from $4.6500 to $4.7600. 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.