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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 Dyax Corp. 300 Technology Square Cambridge MA 02139		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	Disposition	2012-12-11	1,417	$3.46	10,375	No	4	S	Indirect	By Pinpoint Partners Corporation
Common Stock	Disposition	2012-12-11	3,075	$3.47	7,300	No	4	S	Indirect	By Pinpoint Partners Corporation

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Indirect	By Pinpoint Partners Corporation
No	4	S	Indirect	By Pinpoint Partners Corporation

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	1,206,583	Indirect	By Trust
Common Stock	1,308,810	Indirect	By Loeb Holding Corporation
Common Stock	53,764	Indirect	By Loeb Investors Co. IX
Common Stock	5,021	Indirect	By spouse
Common Stock	27,311	Direct

Footnotes

The reporting person is President of Pinpoint Partners Corporation. The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.
Shares held in trust, of which the reporting person is the trustee, for the benefit of the reporting person's brother's children, the reporting person's children, the reporting person's sister-in-law, and the reporting person.
The reporting person is the Chairman, Chief Executive Officer, and also beneficial owner of a majority of the voting stock of Loeb Holding Corporation. The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.
The reporting person is the Managing Partner of Loeb Investors Co. IX. The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.