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
National Patent Development, Corporation
9 West 57 Street - Suite 4170
New York, NY 10019
2. Issuer Name and Ticker or Trading Symbol
GTS Duratek, Inc.
(DRTK)
3. IRS or Social Security Number of Reporting Person (Voluntary)
13-1926739
4. Statement for Month/Year
6/3/97
5. If Amendment, Date of Original (Month/Year)
7/2/97
6. Relationship of Reporting Person(s) to Issuer (Check all applicable)
( ) Director (X) 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
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Table I -- Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned |
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1. Title of Security |2. |3. |4.Securities Acquired (A) |5.Amount of |6.Dir |7.Nature of Indirect |
| Transaction | or Disposed of (D) | Securities |ect | Beneficial Ownership |
| | | | Beneficially |(D)or | |
| | | | | A/| | Owned at |Indir | |
| Date |Code|V| Amount | D | Price | End of Month |ect(I)| |
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<S> <C> <C> <C><C> <C> <C> <C> <C> <C>
Common Stock |6/3/97|S | |4,000 |D |$8.69 | | | |
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|6/12/9|S | |4,000 |D |$8.375 | | | |
|7 | | | | | | | | |
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|6/13/9|S | |2,000 |D |$8.50 | | | |
|7 | | | | | | | | |
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|6/17/9|S | |4,000 |D |$8.81 | | | |
|7 | | | | | | | | |
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|6/18/9|S | |2,000 |D |$8.875 | | | |
|7 | | | | | | | | |
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|6/20/9|S | |2,000 |D |$9.00 | | | |
|7 | | | | | | | | |
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|6/23/9|S | |2,000 |D |$8.75 | | | |
|7 | | | | | | | | |
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|6/24/9|S | |2,000 |D |$8.875 | | | |
|7 | | | | | | | | |
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|6/25/9|S | |2,000 |D |$9.375 | | | |
|7 | | | | | | | | |
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|6/25/9|T | |1,000 |D |$1.90 | | | |
|7 | | | | | | | | |
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|6/27/9|S | |2,000 |D |$9.375 |1,777,472 |D | |
|7 | | | | | | | | |
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Table II -- Derivative Securitites Acquired, Disposed of, or Beneficially Owned |
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1.Title of Derivative |2.Con- |3. |4. |5.Number of De |6.Date Exer|7.Title and Amount |8.Price|9.Number |10.|11.Nature of|
Security |version |Transaction | rivative Secu |cisable and| of Underlying |of Deri|of Deriva |Dir|Indirect |
|or Exer | | | rities Acqui |Expiration | Securities |vative |tive |ect|Beneficial |
|cise | | | red(A) or Dis |Date(Month/| |Secu |Securities |(D)|Ownership |
|Price of| | | posed of(D) |Day/Year) | |rity |Benefi |or | |
|Deriva- | | | |Date |Expir| | |ficially |Ind| |
|tive | | | | A/|Exer-|ation| Title and Number | |Owned at |ire| |
|Secu- | | | | | D |cisa-|Date | of Shares | |End of |ct | |
|rity |Date |Code|V| Amount | |ble | | | |Month |(I)| |
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<S> <C> <C> <C> <C><C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
Employee Stock Option |$1.90 |6/25/|X | |1,000 |D | | |Common Stock|1,000 |$1.90 |238,250 |D | |
(Obligation to Sell) | |97 | | | | | | | | | | | | |
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| | | | | | | | | | | | | | |
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Explanation of Responses:
SIGNATURE OF REPORTING PERSON
Lydia M. DeSantis, Corporate Secretary
DATE
August 4, 1997