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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
907562	Dyax Corp	DYAX	Services-Commercial Physical & Biological Research (8731)	043053198

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1091925	L Thomas Kempner	C/O Loeb Partners Corporation 61 Broadway New York NY 10006		Yes	No	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2011-08-05	20,000	$1.40	1,163,233	No	4	P	Indirect	Trust (1)

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	P	Indirect	Trust (1)

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	1,308,810	Indirect	Loeb Holding Corporation (2)
Common Stock	53,764	Indirect	Loeb Investors Co. IX (3)
Common Stock	5,021	Indirect	Spouse
Common Stock	11,792	Indirect	Pinpoint Partners Corporation (4)
Common Stock	27,311	Direct

Reported Derivative Holdings

Sec. Name	Sec. Type	Price	Date	Expiration Date	Amount	Remaning Holdings	Nature of Ownership
Common Stock	Stock Option (right to buy)	$2.09		2021-05-21	75,000	75,000	Direct

Expiration Date	Amount	Remaning Holdings	Nature of Ownership
2021-05-21	75,000	75,000	Direct

Footnotes

Such option will become exercisable in thirty-six (36) substantially equal installments on each monthly anniversary of the date of grant (with any fractional shares to be cumulated and to become exercisable at the end of the earliest succeeding monthly period in which a whole share equivalent is accumulated) for a period of thirty-five (35) months, with the 36th monthly installment to become exercisable as of the commencement of business on the date of the Annual Meeting of Stockholders at which such director is up for reelection or at which such director's term ends.