What changed in this filing

/stocks — the workspaceLOADING

Item 2. Unregistered Sales of Equity Securities

2022-05-16 compared with 2021-11-15 · 29 added, 22 removed, 4 unchanged (93% of the section changed)

UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

July 6, 2021, the Company issued 78,500 shares of common stock, for the exercise of 78,500 warrants, at an exercise price of $5.00, for

cash consideration of $392,500.

July 8, 2021, the Company issued 425,000 shares of common stock, for the exercise of 425,000 warrants, at an exercise price of $5.00,

for cash consideration of $2,125,000.

July 12, 2021, the Company issued 2,000 shares of common stock, for the exercise of 2,000 warrants, at an exercise price of $5.00, for

cash consideration of $10,000.

July 13, 2021, the Company issued 59,853 shares of common stock, for the exercise of 59,853 warrants, at an exercise price of $5.00,

for cash consideration of $299,265.

July 14, 2021, the Company issued 278,555 shares of common stock, for the exercise of 278,555 warrants, at an exercise price of $5.00,

for cash consideration of $1,392,775.

July 15, 2021, the Company issued 5,000 shares of common stock in connection with the exercise of 5,000 options, for cash consideration

July 19, 2021, the Company issued 1,000 shares of common stock, for the exercise of 1,000 warrants, at an exercise price of $5.00, for

cash consideration of $5,000.

July 30, 2021, the Company issued 80,000 shares of common stock, for the exercise of 80,000 warrants, at an exercise price of $5.00,

for cash consideration of $400,000.

September 3, 2021, the Company issued 10,000 shares of common stock in connection with restricted stock awards, with a fair market value

of $5.35 per share, from the date of the award.

September 14, 2021, the Company issued 40,000 shares of common stock in connection with restricted stock awards, with a fair market value

of $5.35 per share, from the date of the award.

September 22, 2021, the Company issued a total of 12,437 common shares for the exercise of 14,200 options through a cashless exercise

using 2,763 options for the $1.00 exercise price and in connection with a 1,000 restricted stock award.

On January 5, 2022, the Company

issued 2,229,950 shares of common stock pursuant to a private placement offering at a per share price of $3.24, resulting in gross proceeds

of $7,225,038.

Legal and registration fees amounted to $220,000, resulting in net proceeds of $7,005,038.

Prior to the private placement

close, proceeds of $1,400,000, were received and recorded as a stock subscription payable, for the year ended December 31, 2021.

21, 2022, the Company issued 10,000 shares of common stock in connection with restricted stock awards, with a fair market value of $3.48

per share, on the date of issuance.

All shares were fully vested and upon issuance resulted in stock-based compensation of $34,800.

Shares were issued in reliance on the exemption from registration provided by Section 4(a)(2) of the Securities Act of 1933, as amended,

as there was no general solicitation, and the transaction did not involve a public offering.

On February 15, 2022, the Company

filed Form S3, to register 2,269,950 shares of common stock.

On March 22, 2022 and April 22, 2022, the Company filed a Form S-3/A Amendment

1 and 2, respectively.

DEFAULTS UPON SENIOR SECURITIES

MINE SAFETY DISCLOSURE

OTHER INFORMATION

Certification of Principal Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Certification of Principal Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Certification of Principal Executive Officer and Principal Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

XBRL Instance Document

XBRL Taxonomy Schema Document

XBRL Taxonomy Calculation Document

XBRL Taxonomy Linkbase Document

XBRL Taxonomy Label Linkbase Document

XBRL Taxonomy Presentation Linkbase Document

accordance with the requirements of the Exchange Act, the registrant caused this report to be signed on its behalf by the undersigned,

thereunto duly authorized.

and Chief Executive Officer

executive officer)

Financial Officer

financial officer)

Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.

What changed 10-Q

Item 2. Unregistered Sales of Equity Securities