Insider Trading - Arnold Stephen D - Portfolio Holdings (Majority Ownership)

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Sec Filings Insider Trading - Arnold Stephen D - Portfolio Holdings (Majority Ownership)

"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
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Insider Trading Transactions for Arnold Stephen D

Arnold Stephen D: Insider Trading and Stock Options

Common stock purchase or sale:

Transaction & Date	Reported Date	Company	Symbol	Insider Relationship	Shares Traded	Average Price	Total Amount	Shares Ownership	Filing
2004-12-16 Sale	2005-02-24 8:12 pm	ALNYLAM PHARMACEUTICALS, INC.	ALNY	Arnold Stephen D POLARIS VENTURE MANAGEMENT CO III LLC POLARIS VENTURE PARTNERS III LP POLARIS VENTURE PARTNERS FOUNDERS FUND III LP POLARIS VENTURE PARTNERS ENTREPRENEURS FUND III LP Flint Jonathan A MCGUIRE TERRANCE SPOON ALAN G (10% owner)	7,000	$6.75	$47,250	37,074 (Indirect)	View
2005-02-22 Sale	2005-02-24 7:50 pm	MOMENTA PHARMACEUTICALS INC	MNTA	Arnold Stephen D POLARIS VENTURE MANAGEMENT CO III LLC POLARIS VENTURE PARTNERS III LP POLARIS VENTURE PARTNERS FOUNDERS FUND III LP POLARIS VENTURE PARTNERS ENTREPRENEURS FUND III LP Flint Jonathan A MCGUIRE TERRANCE SPOON ALAN G (10% owner)	250,000	$7.02	$1,755,000	72,923 (Indirect)	View
2005-02-02 Sale	2005-02-04 6:52 pm	ALNYLAM PHARMACEUTICALS, INC.	ALNY	Arnold Stephen D POLARIS VENTURE MANAGEMENT CO III LLC POLARIS VENTURE PARTNERS III LP POLARIS VENTURE PARTNERS FOUNDERS FUND III LP POLARIS VENTURE PARTNERS ENTREPRENEURS FUND III LP Flint Jonathan A MCGUIRE TERRANCE SPOON ALAN G (10% owner)	85,000	$7.41	$629,850	30,384 (Indirect)	View
2005-01-31- -2005-02-01 Sale	2005-02-02 6:33 pm	ALNYLAM PHARMACEUTICALS, INC.	ALNY	Arnold Stephen D POLARIS VENTURE MANAGEMENT CO III LLC POLARIS VENTURE PARTNERS III LP POLARIS VENTURE PARTNERS FOUNDERS FUND III LP POLARIS VENTURE PARTNERS ENTREPRENEURS FUND III LP Flint Jonathan A MCGUIRE TERRANCE SPOON ALAN G (10% owner)	64,000	$7.112	$455,200	31,652 (Indirect)	View
2005-01-25- -2005-01-26 Sale	2005-01-27 5:47 pm	ALNYLAM PHARMACEUTICALS, INC.	ALNY	Arnold Stephen D POLARIS VENTURE MANAGEMENT CO III LLC POLARIS VENTURE PARTNERS III LP POLARIS VENTURE PARTNERS FOUNDERS FUND III LP POLARIS VENTURE PARTNERS ENTREPRENEURS FUND III LP Flint Jonathan A MCGUIRE TERRANCE SPOON ALAN G (10% owner)	40,000	$7.125	$285,000	32,606 (Indirect)	View
2005-01-21 Sale	2005-01-25 6:42 pm	ALNYLAM PHARMACEUTICALS, INC.	ALNY	Arnold Stephen D POLARIS VENTURE MANAGEMENT CO III LLC POLARIS VENTURE PARTNERS III LP POLARIS VENTURE PARTNERS FOUNDERS FUND III LP POLARIS VENTURE PARTNERS ENTREPRENEURS FUND III LP Flint Jonathan A MCGUIRE TERRANCE SPOON ALAN G (10% owner)	22,799	$7.58	$172,816	33,202 (Indirect)	View
2005-01-19- -2005-01-20 Sale	2005-01-21 6:14 pm	ALNYLAM PHARMACEUTICALS, INC.	ALNY	Arnold Stephen D POLARIS VENTURE MANAGEMENT CO III LLC POLARIS VENTURE PARTNERS III LP POLARIS VENTURE PARTNERS FOUNDERS FUND III LP POLARIS VENTURE PARTNERS ENTREPRENEURS FUND III LP Flint Jonathan A MCGUIRE TERRANCE SPOON ALAN G (10% owner)	58,500	$7.724	$451,855	33,541 (Indirect)	View
2005-01-14- -2005-01-18 Sale	2005-01-19 7:57 pm	ALNYLAM PHARMACEUTICALS, INC.	ALNY	Arnold Stephen D POLARIS VENTURE MANAGEMENT CO III LLC POLARIS VENTURE PARTNERS III LP POLARIS VENTURE PARTNERS FOUNDERS FUND III LP POLARIS VENTURE PARTNERS ENTREPRENEURS FUND III LP Flint Jonathan A MCGUIRE TERRANCE SPOON ALAN G (10% owner)	24,700	$8.668	$214,089	34,414 (Indirect)	View
2005-01-06 Sale	2005-01-10 9:50 pm	ALNYLAM PHARMACEUTICALS, INC.	ALNY	Arnold Stephen D POLARIS VENTURE MANAGEMENT CO III LLC POLARIS VENTURE PARTNERS III LP POLARIS VENTURE PARTNERS FOUNDERS FUND III LP POLARIS VENTURE PARTNERS ENTREPRENEURS FUND III LP Flint Jonathan A MCGUIRE TERRANCE SPOON ALAN G (10% owner)	25,000	$8.3	$207,500	34,783 (Indirect)	View
2005-01-04 Sale	2005-01-06 7:26 pm	ALNYLAM PHARMACEUTICALS, INC.	ALNY	Arnold Stephen D POLARIS VENTURE MANAGEMENT CO III LLC POLARIS VENTURE PARTNERS III LP POLARIS VENTURE PARTNERS FOUNDERS FUND III LP POLARIS VENTURE PARTNERS ENTREPRENEURS FUND III LP Flint Jonathan A MCGUIRE TERRANCE SPOON ALAN G (10% owner)	46,500	$7.68	$357,120	35,156 (Indirect)	View
2005-01-03 Sale	2005-01-04 4:40 pm	ALNYLAM PHARMACEUTICALS, INC.	ALNY	Arnold Stephen D POLARIS VENTURE MANAGEMENT CO III LLC POLARIS VENTURE PARTNERS III LP POLARIS VENTURE PARTNERS FOUNDERS FUND III LP POLARIS VENTURE PARTNERS ENTREPRENEURS FUND III LP Flint Jonathan A MCGUIRE TERRANCE SPOON ALAN G (10% owner)	50,000	$7.63	$381,500	35,850 (Indirect)	View
2004-12-28- -2004-12-29 Sale	2004-12-30 6:06 pm	ALNYLAM PHARMACEUTICALS, INC.	ALNY	Arnold Stephen D POLARIS VENTURE MANAGEMENT CO III LLC POLARIS VENTURE PARTNERS III LP POLARIS VENTURE PARTNERS FOUNDERS FUND III LP POLARIS VENTURE PARTNERS ENTREPRENEURS FUND III LP Flint Jonathan A MCGUIRE TERRANCE SPOON ALAN G (10% owner)	12,501	$7.56	$94,508	36,596 (Indirect)	View
2004-12-17 Sale	2004-12-21 6:24 pm	ALNYLAM PHARMACEUTICALS, INC.	ALNY	Arnold Stephen D POLARIS VENTURE MANAGEMENT CO III LLC POLARIS VENTURE PARTNERS III LP POLARIS VENTURE PARTNERS ENTREPRENEURS FUND III LP POLARIS VENTURE PARTNERS FOUNDERS FUND III LP Flint Jonathan A MCGUIRE TERRANCE SPOON ALAN G (10% owner)	26,500	$6.693	$177,364	36,783 (Indirect)	View
2004-12-10 Sale^(A)	2004-12-21 3:45 pm	ALNYLAM PHARMACEUTICALS, INC.	ALNY	Arnold Stephen D POLARIS VENTURE MANAGEMENT CO III LLC POLARIS VENTURE PARTNERS III LP POLARIS VENTURE PARTNERS ENTREPRENEURS FUND III LP POLARIS VENTURE PARTNERS FOUNDERS FUND III LP Flint Jonathan A MCGUIRE TERRANCE SPOON ALAN G (10% owner)	37,000	$6.757	$250,009	39,662 (Indirect)	View
2004-12-14 Sale^(A)	2004-12-21 3:44 pm	ALNYLAM PHARMACEUTICALS, INC.	ALNY	Arnold Stephen D POLARIS VENTURE MANAGEMENT CO III LLC POLARIS VENTURE PARTNERS III LP POLARIS VENTURE PARTNERS ENTREPRENEURS FUND III LP POLARIS VENTURE PARTNERS FOUNDERS FUND III LP Flint Jonathan A MCGUIRE TERRANCE SPOON ALAN G (10% owner)	166,500	$6.517	$1,085,080	37,178 (Indirect)	View
2004-12-14 Sale	2004-12-16 6:28 pm	POLARIS INDUSTRIES INC	ALNY	Arnold Stephen D POLARIS VENTURE MANAGEMENT CO III LLC POLARIS VENTURE PARTNERS III LP POLARIS VENTURE PARTNERS ENTREPRENEURS FUND III LP POLARIS VENTURE PARTNERS FOUNDERS FUND III LP Flint Jonathan A MCGUIRE TERRANCE SPOON ALAN G (10% owner)	166,500	$6.517	$1,085,080	37,178 (Indirect)	View
2004-12-10 Sale	2004-12-14 2:48 pm	POLARIS INDUSTRIES INC	ALNY	Arnold Stephen D POLARIS VENTURE MANAGEMENT CO III LLC POLARIS VENTURE PARTNERS III LP POLARIS VENTURE PARTNERS ENTREPRENEURS FUND III LP POLARIS VENTURE PARTNERS FOUNDERS FUND III LP Flint Jonathan A MCGUIRE TERRANCE SPOON ALAN G (10% owner)	37,000	$6.757	$250,009	39,662 (Indirect)	View
2004-12-08- -2004-12-09 Sale	2004-12-10 6:03 pm	ALNYLAM PHARMACEUTICALS, INC.	ALNY	Arnold Stephen D POLARIS VENTURE MANAGEMENT CO III LLC POLARIS VENTURE PARTNERS III LP POLARIS VENTURE PARTNERS ENTREPRENEURS FUND III LP POLARIS VENTURE PARTNERS FOUNDERS FUND III LP Flint Jonathan A MCGUIRE TERRANCE SPOON ALAN G (10% owner)	63,000	$6.881	$433,518	40,214 (Indirect)	View
2004-12-03- -2004-12-07 Sale	2004-12-07 9:56 pm	ALNYLAM PHARMACEUTICALS, INC.	ALNY	Arnold Stephen D POLARIS VENTURE MANAGEMENT CO III LLC POLARIS VENTURE PARTNERS III LP POLARIS VENTURE PARTNERS ENTREPRENEURS FUND III LP POLARIS VENTURE PARTNERS FOUNDERS FUND III LP Flint Jonathan A MCGUIRE TERRANCE SPOON ALAN G (10% owner)	100,000	$6.799	$679,910	41,154 (Indirect)	View
2004-06-25 Purchase	2004-07-06 5:45 pm	MOMENTA PHARMACEUTICALS INC	MNTA	Arnold Stephen D POLARIS VENTURE MANAGEMENT CO III LLC Flint Jonathan A POLARIS VENTURE PARTNERS III LP POLARIS VENTURE PARTNERS ENTREPRENEURS FUND III LP POLARIS VENTURE PARTNERS FOUNDERS FUND III LP SPOON ALAN G MCGUIRE TERRANCE (10% owner)	160,000	$6.5	$1,040,000	76,648 (Indirect)	View

(A) Indicate amendment filing.

Other transactions:

Transaction & Date	Reported Date	Company	Symbol	Insider Relationship	Shares Traded	Average Price	Total Amount	Shares Ownership	Filing
2005-06-27 Other	2005-06-29 8:14 pm	MOMENTA PHARMACEUTICALS INC	MNTA	Arnold Stephen D POLARIS VENTURE MANAGEMENT CO III LLC POLARIS VENTURE PARTNERS III LP POLARIS VENTURE PARTNERS FOUNDERS FUND III LP POLARIS VENTURE PARTNERS ENTREPRENEURS FUND III LP Flint Jonathan A MCGUIRE TERRANCE SPOON ALAN G (10% owner)	3,001,184	$0	$0	1,816,749 (Direct Indirect)	View
2004-06-25 Purchase	2004-07-06 5:45 pm	MOMENTA PHARMACEUTICALS INC	MNTA	Arnold Stephen D POLARIS VENTURE MANAGEMENT CO III LLC Flint Jonathan A POLARIS VENTURE PARTNERS III LP POLARIS VENTURE PARTNERS ENTREPRENEURS FUND III LP POLARIS VENTURE PARTNERS FOUNDERS FUND III LP SPOON ALAN G MCGUIRE TERRANCE (10% owner)	4,905,930	$0	$0	74,227 (Indirect)	View

Stock options: Exercise, Award, Grant, Conversion

Transaction & Date	Reported Date	Exercisable Expiration	Company	Symbol	Insider Relationship	Shares Traded	Conversion Price	Shares Ownership	Filing
2004-06-25 Purchase	2004-07-06 5:45 pm	N/A N/A	MOMENTA PHARMACEUTICALS INC	MNTA	Arnold Stephen D POLARIS VENTURE MANAGEMENT CO III LLC Flint Jonathan A POLARIS VENTURE PARTNERS III LP POLARIS VENTURE PARTNERS ENTREPRENEURS FUND III LP POLARIS VENTURE PARTNERS FOUNDERS FUND III LP SPOON ALAN G MCGUIRE TERRANCE (10% owner)	220,787	$0	0 (Indirect)	View
2004-06-25 Purchase	2004-07-06 5:45 pm	N/A N/A	MOMENTA PHARMACEUTICALS INC	MNTA	Arnold Stephen D POLARIS VENTURE MANAGEMENT CO III LLC Flint Jonathan A POLARIS VENTURE PARTNERS III LP POLARIS VENTURE PARTNERS ENTREPRENEURS FUND III LP POLARIS VENTURE PARTNERS FOUNDERS FUND III LP SPOON ALAN G MCGUIRE TERRANCE (10% owner)	5,733	$0	0 (Indirect)	View
2004-06-25 Purchase	2004-07-06 5:45 pm	N/A N/A	MOMENTA PHARMACEUTICALS INC	MNTA	Arnold Stephen D POLARIS VENTURE MANAGEMENT CO III LLC Flint Jonathan A POLARIS VENTURE PARTNERS III LP POLARIS VENTURE PARTNERS ENTREPRENEURS FUND III LP POLARIS VENTURE PARTNERS FOUNDERS FUND III LP SPOON ALAN G MCGUIRE TERRANCE (10% owner)	3,480	$0	0 (Indirect)	View
2004-06-25 Purchase	2004-07-06 5:45 pm	N/A N/A	MOMENTA PHARMACEUTICALS INC	MNTA	Arnold Stephen D POLARIS VENTURE MANAGEMENT CO III LLC Flint Jonathan A POLARIS VENTURE PARTNERS III LP POLARIS VENTURE PARTNERS ENTREPRENEURS FUND III LP POLARIS VENTURE PARTNERS FOUNDERS FUND III LP SPOON ALAN G MCGUIRE TERRANCE (10% owner)	562,456	$0	0 (Indirect)	View
2004-06-25 Purchase	2004-07-06 5:45 pm	N/A N/A	MOMENTA PHARMACEUTICALS INC	MNTA	Arnold Stephen D POLARIS VENTURE MANAGEMENT CO III LLC Flint Jonathan A POLARIS VENTURE PARTNERS III LP POLARIS VENTURE PARTNERS ENTREPRENEURS FUND III LP POLARIS VENTURE PARTNERS FOUNDERS FUND III LP SPOON ALAN G MCGUIRE TERRANCE (10% owner)	14,604	$0	0 (Indirect)	View
2004-06-25 Purchase	2004-07-06 5:45 pm	N/A N/A	MOMENTA PHARMACEUTICALS INC	MNTA	Arnold Stephen D POLARIS VENTURE MANAGEMENT CO III LLC Flint Jonathan A POLARIS VENTURE PARTNERS III LP POLARIS VENTURE PARTNERS ENTREPRENEURS FUND III LP POLARIS VENTURE PARTNERS FOUNDERS FUND III LP SPOON ALAN G MCGUIRE TERRANCE (10% owner)	8,866	$0	0 (Indirect)	View
2004-06-25 Purchase	2004-07-06 5:45 pm	N/A N/A	MOMENTA PHARMACEUTICALS INC	MNTA	Arnold Stephen D POLARIS VENTURE MANAGEMENT CO III LLC Flint Jonathan A POLARIS VENTURE PARTNERS III LP POLARIS VENTURE PARTNERS ENTREPRENEURS FUND III LP POLARIS VENTURE PARTNERS FOUNDERS FUND III LP SPOON ALAN G MCGUIRE TERRANCE (10% owner)	1,087,044	$0	0 (Indirect)	View
2004-06-25 Purchase	2004-07-06 5:45 pm	N/A N/A	MOMENTA PHARMACEUTICALS INC	MNTA	Arnold Stephen D POLARIS VENTURE MANAGEMENT CO III LLC Flint Jonathan A POLARIS VENTURE PARTNERS III LP POLARIS VENTURE PARTNERS ENTREPRENEURS FUND III LP POLARIS VENTURE PARTNERS FOUNDERS FUND III LP SPOON ALAN G MCGUIRE TERRANCE (10% owner)	28,255	$0	0 (Indirect)	View
2004-06-25 Purchase	2004-07-06 5:45 pm	N/A N/A	MOMENTA PHARMACEUTICALS INC	MNTA	Arnold Stephen D POLARIS VENTURE MANAGEMENT CO III LLC Flint Jonathan A POLARIS VENTURE PARTNERS III LP POLARIS VENTURE PARTNERS ENTREPRENEURS FUND III LP POLARIS VENTURE PARTNERS FOUNDERS FUND III LP SPOON ALAN G MCGUIRE TERRANCE (10% owner)	17,135	$0	0 (Indirect)	View
2004-06-25 Purchase	2004-07-06 5:45 pm	N/A N/A	MOMENTA PHARMACEUTICALS INC	MNTA	Arnold Stephen D POLARIS VENTURE MANAGEMENT CO III LLC Flint Jonathan A POLARIS VENTURE PARTNERS III LP POLARIS VENTURE PARTNERS ENTREPRENEURS FUND III LP POLARIS VENTURE PARTNERS FOUNDERS FUND III LP SPOON ALAN G MCGUIRE TERRANCE (10% owner)	1,220,269	$0	0 (Indirect)	View
2004-06-25 Purchase	2004-07-06 5:45 pm	N/A N/A	MOMENTA PHARMACEUTICALS INC	MNTA	Arnold Stephen D POLARIS VENTURE MANAGEMENT CO III LLC Flint Jonathan A POLARIS VENTURE PARTNERS III LP POLARIS VENTURE PARTNERS ENTREPRENEURS FUND III LP POLARIS VENTURE PARTNERS FOUNDERS FUND III LP SPOON ALAN G MCGUIRE TERRANCE (10% owner)	31,684	$0	0 (Indirect)	View
2004-06-25 Purchase	2004-07-06 5:45 pm	N/A N/A	MOMENTA PHARMACEUTICALS INC	MNTA	Arnold Stephen D POLARIS VENTURE MANAGEMENT CO III LLC Flint Jonathan A POLARIS VENTURE PARTNERS III LP POLARIS VENTURE PARTNERS ENTREPRENEURS FUND III LP POLARIS VENTURE PARTNERS FOUNDERS FUND III LP SPOON ALAN G MCGUIRE TERRANCE (10% owner)	19,233	$0	0 (Indirect)	View
2004-06-25 Purchase	2004-07-06 5:45 pm	N/A N/A	MOMENTA PHARMACEUTICALS INC	MNTA	Arnold Stephen D POLARIS VENTURE MANAGEMENT CO III LLC Flint Jonathan A POLARIS VENTURE PARTNERS III LP POLARIS VENTURE PARTNERS ENTREPRENEURS FUND III LP POLARIS VENTURE PARTNERS FOUNDERS FUND III LP SPOON ALAN G MCGUIRE TERRANCE (10% owner)	588,684	$0	0 (Indirect)	View
2004-06-25 Purchase	2004-07-06 5:45 pm	N/A N/A	MOMENTA PHARMACEUTICALS INC	MNTA	Arnold Stephen D POLARIS VENTURE MANAGEMENT CO III LLC Flint Jonathan A POLARIS VENTURE PARTNERS III LP POLARIS VENTURE PARTNERS ENTREPRENEURS FUND III LP POLARIS VENTURE PARTNERS FOUNDERS FUND III LP SPOON ALAN G MCGUIRE TERRANCE (10% owner)	15,285	$0	0 (Indirect)	View
2004-06-25 Purchase	2004-07-06 5:45 pm	N/A N/A	MOMENTA PHARMACEUTICALS INC	MNTA	Arnold Stephen D POLARIS VENTURE MANAGEMENT CO III LLC Flint Jonathan A POLARIS VENTURE PARTNERS III LP POLARIS VENTURE PARTNERS ENTREPRENEURS FUND III LP POLARIS VENTURE PARTNERS FOUNDERS FUND III LP SPOON ALAN G MCGUIRE TERRANCE (10% owner)	9,278	$0	0 (Indirect)	View