<SEC-DOCUMENT>0001535610-21-000059-index.html : 20210107
<SEC-HEADER>0001535610-21-000059.hdr.sgml : 20210107
<ACCEPTANCE-DATETIME>20210107113751
ACCESSION NUMBER:		0001535610-21-000059
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20210107
DATE AS OF CHANGE:		20210107

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ASTROTECH Corp
		CENTRAL INDEX KEY:			0001001907
		STANDARD INDUSTRIAL CLASSIFICATION:	LABORATORY ANALYTICAL INSTRUMENTS [3826]
		IRS NUMBER:				911273737
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-44975
		FILM NUMBER:		21513458

	BUSINESS ADDRESS:	
		STREET 1:		2028 E. BEN WHITE BLVD.
		STREET 2:		SUITE 240-9530
		CITY:			AUSTIN
		STATE:			TX
		ZIP:			78741
		BUSINESS PHONE:		5124859530

	MAIL ADDRESS:	
		STREET 1:		2028 E. BEN WHITE BLVD.
		STREET 2:		SUITE 240-9530
		CITY:			AUSTIN
		STATE:			TX
		ZIP:			78741

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ASTROTECH Corp \WA\
		DATE OF NAME CHANGE:	20090310

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SPACEHAB INC \WA\
		DATE OF NAME CHANGE:	19951006

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SABBY MANAGEMENT, LLC
		CENTRAL INDEX KEY:			0001535610
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		10 MOUNTAINVIEW ROAD
		STREET 2:		SUITE 205
		CITY:			UPPER SADDLE RIVER
		STATE:			NJ
		ZIP:			07458
		BUSINESS PHONE:		646-307-4527

	MAIL ADDRESS:	
		STREET 1:		10 MOUNTAINVIEW ROAD
		STREET 2:		SUITE 205
		CITY:			UPPER SADDLE RIVER
		STATE:			NJ
		ZIP:			07458
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>astc0121.txt
<DESCRIPTION>SABBY 13G-A ASTC 1.07.21
<TEXT>
Document 1 - file: astc0121.txt

</DOCUMENT>
</SEC-DOCUMENT>