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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1183765	Threshold Pharmaceuticals Inc	THLD	Pharmaceutical Preparations (2834)	943409596

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1190474	E Wilfred Jaeger	C/O Three Arch Partners 3200 Alpine Road Portola Valley CA 94028		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	2012-08-21	28,469	$7.50	2,932,557	No	4	S	Indirect	See Footnote
Common Stock	Disposition	2012-08-22	56,610	$7.52	2,875,947	No	4	S	Indirect	See Footnote
Common Stock	Disposition	2012-08-21	1,531	$7.50	157,655	No	4	S	Indirect	See Footnote
Common Stock	Disposition	2012-08-22	2,990	$7.52	154,665	No	4	S	Indirect	See Footnote

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Indirect	See Footnote
No	4	S	Indirect	See Footnote
No	4	S	Indirect	See Footnote
No	4	S	Indirect	See Footnote

Footnotes

These shares are owned directly by Three Arch Partners III, L.P. ("TAP III"). Three Arch Management III, L.L.C. ("TAM III"), the general partner of TAP III, and Mark A. Wan and Wilfred E. Jaeger, the managing members of TAM III, may be deemed to share voting and dispositive power over the shares held by TAP III. Such persons and entities disclaim beneficial ownership of shares held by TAP III except to the extent of any pecuniary interest therein.
These shares are owned directly by Three Arch Associates III, L.P. ("TAA III"). Three Arch Management III, L.L.C. ("TAM III"), the general partner of TAA III, and Mark A. Wan and Wilfred E. Jaeger, the managing members of TAM III, may be deemed to share voting and dispositive power over the shares held by TAA III. Such persons and entities disclaim beneficial ownership of shares held by TAA III except to the extent of any pecuniary interest therein.