FORM 4
[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

Schwartz Carl I. 		2. Issuer Name and Ticker or Trading Symbol

SIGMA LABS, INC. [ SGLB ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                      __ X __ 10% Owner
_____ Officer (give title below)      _____ Other (specify below)
(Last)          (First)          (Middle)

3750 LAS VEGAS BLVD. SOUTH, APT. 4303 		3. Date of Earliest Transaction (MM/DD/YYYY)

5/7/2019
(Street)

LAS VEGAS, NV 89158
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

5/23/2019 
6. Individual or Joint/Group Filing (Check Applicable Line)

_ X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. Code
(Instr. 8) 		4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4) 		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock                  1500000   D    
Common Stock   5/7/2019     P    400000   A $1.40   (1) 400000   I   By the Carl and Shirley Schwartz Trust dtd 3/14/19  

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. Code
(Instr. 8) 		5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		6. Date Exercisable and Expiration Date 7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4) 		8. Price of Derivative Security
(Instr. 5) 		9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Warrants to purchase Common Stock   $1.56   5/7/2019     P      200000       11/8/2019   (2) 11/8/2024   Common Stock   200000     (1) 200000   I   By the Carl and Shirley Schwartz Trust dtd 3/14/19  

Explanation of Responses:
(1)  Purchase price included 200,000 Warrants reported on table II.
(2)  Warrant contains a Beneficial Ownership Limitation provision that does not permit an exercise if it would result in the holder owning more than 4.99% of the outstanding shares of the Issuer. These limits may be increased up to 9.99% upon notice to the Issuer.

Remarks:
This amendment is being filed to correct the name of the trust.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Schwartz Carl I.
3750 LAS VEGAS BLVD. SOUTH
APT. 4303
LAS VEGAS, NV 89158
X


Signatures
/s/ Carl I. Schwartz, DDS 5/24/2019
** Signature of Reporting Person Date


Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.
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