8-K/A

UNITEDSTATES

SECURITIESAND EXCHANGE COMMISSION

Washington,D.C. 20549

FORM8-K/A

(AmendmentNo. 1)

CURRENTREPORT

Pursuantto Section 13 or 15(d) of

theSecurities Exchange Act of 1934

Dateof Report (Date of earliest event reported): March 26, 2021

KRAIGBIOCRAFT LABORATORIES, INC.

(Exactname of registrant as specified in its charter)

2723South State St. Suite 150

AnnArbor, Michigan 48104(Address of principal executive offices, including Zip Code)

(734)619-8066

(Registrant’stelephone number, including area code)

NotApplicable

(Formername or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

Securities registered pursuant to Section 12(b) of the Act:

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (?230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company [  ]

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. [  ]

ExplanatoryNote

This Form 8-K/A is being filed as an amendment (the “Amendment”) to the Current Report on Form 8-K filed by KRAIG BIOCRAFT LABORATORIES, INC. with the Securities and Exchange Commission on March 26, 2021.

When used in this Current Report on Form 8-K, the terms “company”, “Kraig”, “we,” “us,” “our” and similar terminology, reference KRAIG BIOCRAFT LABORATORIES, INC.

On March 25, 2021, we entered into a securities purchase agreement with YA II PN, LTD., a Cayman Islands exempt company (“Yorkville”), pursuant to which Yorkville agreed to purchase secured convertible debentures (the “Securities Purchase Agreement”) in the aggregate principal amount of up to USD$4,000,000. Following our entry into the Securities Purchase Agreement, on March 26, 2021, in connection with the initial closing of the Securities Purchase Agreement, we issued the first Convertible Debenture to Yorkville in the principal amount of $500,000.

Following fulfillment of the requirements in the Securities Purchase Agreement, on April 6, 2021, we issued the second Convertible Debenture to Yorkville in the amount of $500,000.

The foregoing description of the transactions reported herein does not purport to be complete and is qualified in its entirety by reference to the Securities Purchase Agreement and form of Convertible Debentures, which were attached to our initial Form 8-K reporting these transactions on March 26, 2021 and are incorporated herein by reference.

This disclosure does not constitute an offer to sell, or the solicitation of an offer to buy nor shall there be any sales of the Company’s securities in any state in which such offer, solicitation or sale would be unlawful. The securities mentioned herein have not been registered under the United States Securities Act of 1933, as amended, and may not be offered or sold in the United States absent registration or an applicable exemption from the registration requirements under the Securities Act and applicable state securities laws.

The disclosures set forth in Item 1.01 of this Current Report are incorporated by reference herein.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: April 7, 2021