UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP ( ) Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instructions 1(b). 1. Name and Address of Reporting Person Kirby, Jr., Allan P. 14 East Main Street P.O. Box 90 Mendham, NJ 07945 USA 2. Issuer Name and Ticker or Trading Symbol Alleghany Corporation Y 3. IRS or Social Security Number of Reporting Person (Voluntary) 4. Statement for Month/Day/Year 05/02/03 5. If Amendment, Date of Original (Month/Day/Year) 6. Relationship of Reporting Person(s) to Issuer (Check all applicable) (X) Director ( ) 10% Owner ( ) Officer (give title below) ( ) Other (specify below) 7. 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|2. |2A. |3. |4.Securities Acquired (A) |5.Amount of |6.Dir |7.Nature of Indirect | |Trans-|Exec- |Trans | or Disposed of (D) | Securities |ect | Beneficial Ownership | |action|ution |action| | Beneficially |(D)or | | | | | | | | A/| | Owned Following |Indir | | |Date | Date |Code|V| Amount | D | Price | Reported Trans(s)|ect(I)| | ___________________________________________________________________________________________________________________________________| Common Stock |05/02/| |S(1)| |4,377 |D |$169.9392 |219,988 |D | | |03 | | | | | | | | | | -----------------------------------------------------------------------------------------------------------------------------------| Common Stock |05/02/| |S(1)| |6,113 |D |$169.9392 |305,655 |I |(2) | |03 | | | | | | | | | | -----------------------------------------------------------------------------------------------------------------------------------| ___________________________________________________________________________________________________________________________________| ___________________________________________________________________________________________________________________________________| Table II -- Derivative Securitites Acquired, Disposed of, or Beneficially Owned | ___________________________________________________________________________________________________________________________________| 1.Title of |2.Con- |3. |3A. |4. |5.Number of De |6.Date Exer|7.Title and Amount |8.Price|9.Number |10.|11.Nature of| Derivative |version |Trans- |Deemed|Trans-| rivative Secu |cisable and| of Underlying |of Deri|of Deriva |Dir|Indirect | Security |or Exer |action | |action| rities Acqui |Expiration | Securities |vative |tive |ect|Beneficial | |cise | |Execu-| | red(A) or Dis |Date(Month/| |Secu |Securities |(D)|Ownership | |Price of| |ution | | posed of(D) |Day/Year) | |rity |Benefi |or | | |Deriva- | | | | |Date |Expir| | |ficially |Ind| | |tive | | | | | A/|Exer-|ation| Title and Number | |Owned Follow|ire| | |Secu- |(Month/|(Month| | | | D |cisa-|Date | of Shares | |ing Reported|ct | | |rity |Day/ |/Day/ |Code|V| Amount | |ble | | | |Trans- |(I)| | | |Year) |Year) | | | | | | | | |action(s) | | | ___________________________________________________________________________________________________________________________________| | | | | | | | | | | | | | | | | ___________________________________________________________________________________________________________________________________| Explanation of Responses: (1) Open market sale of shares received from Alleghany Corporation as a stock dividend in April 2003. Pursuant to arrangements made by Alleghany, stockholders who wished to sell the shares paid to them as a stock dividend instructed the dividend disbursing agent to do so, and such stockholders received the average sales price per share resulting from the sale of all such shares. (2) By Allan P. Kirby, Jr. as co-trustee and beneficiary. SIGNATURE OF REPORTING PERSON Allan P. Kirby, Jr. Christopher K. Dalrymple, Attorney-in-Fact DATE May 2, 2003