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
Richardson, Robert J.
c/o Unitrode Corporation
7 Continental Boulevard
Merrimack, NH 03054
USA
2. Issuer Name and Ticker or Trading Symbol
Unitrode Corporation
UTR
3. IRS or Social Security Number of Reporting Person (Voluntary)
4. Statement for Month/Year
August 31, 1998
5. If Amendment, Date of Original (Month/Year)
6. Relationship of Reporting Person(s) to Issuer (Check all applicable)
(X) Director ( ) 10% Owner (X) Officer (give title below) ( ) Other
(specify below)
Chairman and Chief Executive Officer
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>
<CAPTION>
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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>
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<CAPTION>
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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 |$13.50 |8/3/9|A | |50,000 |A |8/3/9|8/3/0|Common Stock|50,000 | | |D | |
(right to buy) | |8 | | | | |9 |8 | | | | | | |
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Employee Stock Option |$13.50 |8/3/9|A | |50,000 |A |8/3/0|8/3/0|Common Stock|50,000 | | |D | |
(right to buy) | |8 | | | | |0 |8 | | | | | | |
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Employee Stock Option |$13.50 |8/3/9|A | |50,000 |A |8/3/0|8/3/0|Common Stock|50,000 | | |D | |
(right to buy) | |8 | | | | |1 |8 | | | | | | |
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Employee Stock Option |$13.50 |8/3/9|A | |50,000 |A |8/3/0|8/3/0|Common Stock|50,000 | |200,000* |D | |
(right to buy) | |8 | | | | |2 |8 | | | | | | |
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| | | | | | | | | | | | | | |
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</TABLE>
Explanation of Responses:
* Separate lines in column 6 are used to indicate various vesting dates;
however, such dates relate to a single option
grant.
SIGNATURE OF REPORTING PERSON
/s/ Robert J. Richardson
DATE
September 10, 1998
