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 Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * Ting Edmund Y   2. Issuer Name and Ticker or Trading Symbol PRESSURE BIOSCIENCES INC [PBIO] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) SENIOR VP OF ENGINEERING (Last) (First) (Middle) 23642 123RD PLACE SOUTHEAST 3. Date of Earliest Transaction (Month/Day/Year) 09/30/2011 (Street) KENT, WA US 98031 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction 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 09/30/2011   C   6,820 A $ 1.15 9,632 D

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction 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 (Month/Day/Year)

7. Title and Amount of Underlying Securities (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

Series A Convertible Preferred Stock

$ 1.15

09/30/2011

C

682

02/12/2009

(1)

Common Stock

6,820

(2)

0

D

30-Month Common Stock Purchase Warrant

$ 2

09/30/2011

D

5,220

(3)

08/11/2012

Common Stock

5,220

(3)

0

D

30-Month Common Stock Purchase Warrant

$ 0.9

09/30/2011

A

5,220

(3)

08/12/2015

Common Stock

5,220

(3)

5,220

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Ting Edmund Y 23642 123RD PLACE SOUTHEAST KENT, WA US 98031			SENIOR VP OF ENGINEERING

Signatures

Richard T Schumacher, Attorney in fact		10/07/2011
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	The Series A Convertible Preferred Stock has no expiration date.
(2)	Pursuant to a certain Securities Purchase Agreement, dated February 12, 2009, among the Company, the Reporting Person and the other purchasers named therein, the Reporting Person purchased 522 "Units" at a purchase price of $11.50 per Unit. Each Unit consisted of (i) one share of Series A Convertible Preferred Stock, (ii) a warrant to purchase one share of Series A Convertible Preferred Stock, which warrant is exercisable until May 12, 2010 and (iii) a warrant to purchase 10 shares of Common Stock, which warrant is exercisable until August 12, 2015.
(3)	The two reported transactions involved an amendment of an outstanding warrant, resulting in the deemed cancellation of the old warrant and the grant of a replacement warrant.

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