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

FORM 4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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

o 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*	2.	Issuer Name and Ticker or Trading Symbol				3.	I.R.S. Identification Number of Reporting Person, if an entity (Voluntary)
	Bidart, Martin(Last) (First) (Middle)		Penn Engineering & Manufacturing Corp. (PNN) & (PNNA)
	c/o Penn Engineering &        Manufacturing Corp. 5190 Old Easton Road (Street)	4.	Statement for Month/Day/Year				5.	If Amendment, Date of Original (Month/Day/Year)
			December 5, 2002
		6.	Relationship of Reporting Person(s) to Issuer (Check All Applicable)				7.	Individual or Joint/Group Filing (Check Applicable Line)
	Danboro, PA 18916 (City)        (State)        (Zip)		o	Director	o	10% Owner		þ	Form Filed by One Reporting Person
			þ	Officer (give title below)				o	Form Filed by More than One Reporting Person
			o	Other (specify below)
				President/Chief Operating Officer

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).

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 Sec- urities Beneficially Owned Following Reported Trans- action(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, $.01 par value

4,064.026(1)

D

Common Stock, $.01 par value

800

I

By Wife

Common Class A Stock, $.01 par value

200

I

By Wife

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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)

Code

V

(A)

(D)

Employee Stock Option (right to buy)

$11.70

12/5/02

A

8,750

Employee Stock Option (right to buy)

$11.70

12/5/02

A

8,750

Employee Stock Option (right to buy)

$11.70

12/5/02

A

8,750

Employee Stock Option (right to buy)

$11.70

12/5/02

A

8,750

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Table II — Derivative Securities Acquired, Disposed of, or Beneficially Owned — Continued (e.g., puts, calls, warrants, options, convertible securities)
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)
	Date Exercisable	Expiration Date		Title	Amount or Number of Shares
	12/5/03	12/5/12		Common Stock	8,750			(2)			8,750		D
	12/5/04	12/5/12		Common Stock	8,750			(2)			8,750		D
	12/5/05	12/5/12		Common Stock	8,750			(2)			8,750		D
	12/5/06	12/5/12		Common Stock	8,750			(2)			8,750		D

Explanation of Responses:

(1) Reflects shares purchased under the Penn Engineering & Manufacturing Corp. Stock Purchase Plan.

(2) These stock options were granted pursuant to Rule 16b-3 under the Company's 1999 Stock Option Plan.

/s/Martin Bidart	December 5, 2002
**Signature of Reporting Person	Date

**	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.

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