SEC FORM 4

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

DIBONA ANTHONY

(Last)

(First)

(Middle)

C/O PARAMETRIC TECHNOLOGY CORP

140 KENDRICK ST

(Street)

NEEDHAM

02494

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
PARAMETRIC TECHNOLOGY CORP [ PMTC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	EVP,Global Maintenance Support

3. Date of Earliest Transaction (Month/Day/Year)
11/02/2006

4. If Amendment, Date of 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

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	11/02/2006		M		10,000	A	$4.975	114,131	D
Common Stock	11/02/2006		M		10,000	A	$8.5	124,131	D
Common Stock	11/02/2006		M		10,000⁽¹⁾	A	$7.725	134,131	D
Common Stock	11/02/2006		S		20,000⁽¹⁾	D	$18.439	114,131	D
Common Stock	11/02/2006		S		300⁽¹⁾	D	$18.3	113,831	D
Common Stock	11/02/2006		S		2,500⁽¹⁾	D	$18.31	111,331	D
Common Stock	11/02/2006		S		200⁽¹⁾	D	$18.32	111,131	D
Common Stock	11/02/2006		S		6,000⁽¹⁾	D	$18.35	105,131	D
Common Stock	11/02/2006		S		2,000⁽¹⁾	D	$18.45	103,131	D
Common Stock	11/02/2006		S		2,000⁽¹⁾	D	$18.5	101,131	D
Common Stock	11/02/2006		S		912⁽¹⁾	D	$18.54	100,219	D
Common Stock	11/02/2006		S		7,800⁽¹⁾	D	$18.55	92,419	D
Common Stock	11/02/2006		S		2,800⁽¹⁾	D	$18.56	89,619	D
Common Stock	11/02/2006		S		1,138⁽¹⁾	D	$18.57	88,481	D
Common Stock	11/02/2006		S		400⁽¹⁾	D	$18.59	88,081	D
Common Stock	11/02/2006		S		1,448⁽¹⁾	D	$18.63	86,633	D
Common Stock	11/02/2006		S		1,800⁽¹⁾	D	$18.65	84,833	D
Common Stock	11/02/2006		S		702⁽²⁾	D	$18.67	84,131	D
Common Stock	11/02/2006		S		599⁽²⁾	D	$18.31	83,532	D
Common Stock	11/02/2006		S		1,198⁽²⁾	D	$18.35	82,334	D
Common Stock	11/02/2006		S		599⁽²⁾	D	$18.45	81,735	D
Common Stock	11/02/2006		S		599⁽²⁾	D	$18.5	81,136	D
Common Stock	11/02/2006		S		2,396⁽²⁾	D	$18.55	78,740⁽³⁾	D
Common Stock	11/02/2006		S		599	D	$18.71	78,141⁽³⁾	D

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 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: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Employee stock option (right to buy)	$8.5	11/02/2006		M			10,000	⁽⁴⁾	05/30/2012	Common Stock	10,000	$0	30,000⁽⁵⁾	D
Employee stock option (right to buy)	$4.975	11/02/2006		M			10,000	⁽⁶⁾	02/13/2013	Common Stock	10,000	$0	0⁽⁵⁾	D
Employee stock option (right to buy)	$7.725	11/02/2006		M			10,000	⁽⁷⁾	05/20/2013	Common Stock	10,000	$0	10,000⁽⁵⁾	D
Employee stock option (right to buy)	$36.4063	11/02/2006		M		0⁽⁸⁾		⁽⁹⁾	07/20/2008	Common Stock	43,750	$0	43,750⁽⁵⁾	D
Employee stock option (right to buy)	$24.8438	11/02/2006		M		0⁽⁸⁾		⁽¹⁰⁾	09/10/2008	Common Stock	14,000	$0	14,000⁽⁵⁾	D
Employee stock option (right to buy)	$23.3595	11/02/2006		M		0⁽⁸⁾		⁽¹¹⁾	05/18/2010	Common Stock	14,000	$0	14,000⁽⁵⁾	D
Employee stock option (right to buy)	$32.9688	11/02/2006		M		0⁽⁸⁾		⁽¹²⁾	09/14/2010	Common Stock	12,000	$0	12,000⁽⁵⁾	D
Employee stock option (right to buy)	$27.1875	11/02/2006		M		0⁽⁸⁾		⁽¹³⁾	10/16/2010	Common Stock	4,000	$0	4,000⁽⁵⁾	D
Employee stock option (rightto buy)	$31.25	11/02/2006		M		0⁽⁸⁾		⁽¹⁴⁾	11/17/2010	Common Stock	8,000	$0	8,000⁽⁵⁾	D
Employee stock option (right to buy)	$12.575	11/02/2006		M		0⁽⁸⁾		⁽¹⁵⁾	09/20/2011	Common Stock	30,000	$0	30,000⁽⁵⁾	D
Employee stock option (right to buy)	$9.55	11/02/2006		M		0⁽⁸⁾		⁽¹⁶⁾	09/16/2013	Common Stock	29,999	$0	29,999⁽⁵⁾	D
Employee stock option (right to buy)	$11.475	11/02/2006		M		0⁽⁸⁾		⁽¹⁷⁾	03/03/2014	Common Stock	69,999	$0	69,999⁽⁵⁾	D

Explanation of Responses:

1. Shares sold pursuant to a pre-established Rule 10b5-1(c) trading plan.

2. Shares sold pursuant to a pre-established Rule 10b5-1(c) trading plan that provided for the sale at market prices of a specified percentage of the Reporting Person's July 27, 2005 restricted stock award in order to satisfy current tax withholding obligations associated with the vesting of a portion of such restricted stock award.

3. Adjusted to reflect the 2 for 5 reverse stock split of the company's Common Stock effective February 28, 2006.

4. Employee stock option granted 5/30/2002, exercisable in four equal annual installments of 10,000 shares each beginning on 5/20/2003, the first anniversary of the date of grant.

5. This amount represents the total number of Derivative Securities Beneficially Owned by the class shown (i.e. the same exercise price and expiration date). The Reporting Person owns a total of 265,748 Options to purchase Common Stock of varying classes (i.e. varying exercise prices and expiration dates).

6. Employee stock option granted 2/13/2003, exercisable as to 3,334 shares on 2/13/2005 and 6,666 shares on 2/13/2006.

7. Employee stock option granted 5/20/2003, exercisable in four equal annual installments of 5,000 shares each beginning on 5/20/2004, the first anniversary of the date of grant.

8. This option was previously reported and is now being reported (as currently outstanding) to reflect the 2 for 5 reverse stock split of the Company's Common Stock effective February 28, 2006.

9. Employee stock option granted 7/20/1998, exercisable as to 6,250 shares on 7/20/1999, 12,500 shares 7/20/2000, 12,500 shares on 7/20/2001 and 12,500 shares on 7/20/2002.

10. Employee stock option granted 9/10/1998, exercisable as to 2,000 shares on 9/10/1999, 4,000 shares on 9/10/2000, 4,000 shares on 9/10/2001 and 4,000 shares on 9/10/2002.

11. Employee stock option granted 5/18/2000, exercisable as to 7,000 shares on 5/18/2001 and 7,000 shares on 5/18/2002.

12. Employee stock option granted 9/14/2000, exercisable in four equal annual installments of 3,000 shares beginning 9/14/2001, the first anniversary of the date of grant.

13. Employee stock option granted 10/16/2000, exercisable in four equal annual installments of 1,000 shares each beginning on 10/16/2001, the first anniversary of the date of grant.

14. Employee stock option granted 11/17/2000, exercisable in four equal annual installments of 2,000 shares each beginning on 11/17/2001, the first anniversary of the date of grant.

15. Employee stock option granted 9/20/2001, exercisable in four equal annual installments of 7,500 shares each beginning on 9/20/2002, the first anniversary of the date of grant.

16. Employee stock option granted 9/16/2003, exercisable as to 7,501 shares on 9/16/2004, 7,500 shares on 9/16/2005, 7,499 shares on 9/16/2006 and 7,499 shares on 9/16/2007.

17. Employee stock option granted 3/3/2004, exercisable as to 17,500 shares on 3/3/2005, 17,500 shares 3/3/2006, 17,500 shares on 3/3/2007 and 17,499 shares on 3/3/2008.

	Christopher J. MacKrell pursuant to power of attorney filed July 6, 2005	11/06/2005
	** 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).
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