Infinity Pharmaceuticals, Inc. Forms 3, 4 and 5: Warrants

Statements of beneficial ownership filed with the SEC by officers, directors and 10% owners: 12 rows, 12 shown. Transaction codes are the SEC's. Shares and prices are split-adjusted; the as-filed figure is underneath.

2009-01-07: Reporting owner Rosebay Medical Co L.P.; Form 4; Security Stock Purchase Warrants (right to buy); Transaction H Expiration (or cancellation) of long derivative position with value received.
2009-01-07: Reporting owner Rosebay Medical Co L.P.; Form 4; Security Stock Purchase Warrants (right to buy); Transaction H Expiration (or cancellation) of long derivative position with value received.
2009-01-07: Reporting owner Rosebay Medical Co L.P.; Form 4; Security Stock Purchase Warrants (right to buy); Transaction H Expiration (or cancellation) of long derivative position with value received.
2009-01-07: Reporting owner Beacon Co; Form 4; Security Stock Purchase Warrants (right to buy); Transaction H Expiration (or cancellation) of long derivative position with value received.

Purchase (P)All rows

Transaction date	Reporting owner	Form	Security	Transaction	Shares	Price	Filing
2009-01-07	Rosebay Medical Co L.P. 10% Owner	4	Stock Purchase Warrants (right to buy) Derivative · Direct	H Expiration (or cancellation) of long derivative position with value received	+500,000 0 owned after	$20.00 exercise price	2012-09-11
2009-01-07	Rosebay Medical Co L.P. 10% Owner	4	Stock Purchase Warrants (right to buy) Derivative · Direct	H Expiration (or cancellation) of long derivative position with value received	+1,000,000 0 owned after	$30.00 exercise price	2012-09-11
2009-01-07	Rosebay Medical Co L.P. 10% Owner	4	Stock Purchase Warrants (right to buy) Derivative · Direct	H Expiration (or cancellation) of long derivative position with value received	+1,500,000 0 owned after	$40.00 exercise price	2012-09-11
2009-01-07	Beacon Co 10% Owner	4	Stock Purchase Warrants (right to buy) Derivative · Direct	H Expiration (or cancellation) of long derivative position with value received	+500,000 0 owned after	$20.00 exercise price	2012-09-11
2009-01-07	Beacon Co 10% Owner	4	Stock Purchase Warrants (right to buy) Derivative · Direct	H Expiration (or cancellation) of long derivative position with value received	+1,000,000 0 owned after	$30.00 exercise price	2012-09-11
2009-01-07	Beacon Co 10% Owner	4	Stock Purchase Warrants (right to buy) Derivative · Direct	H Expiration (or cancellation) of long derivative position with value received	+1,500,000 0 owned after	$40.00 exercise price	2012-09-11
2009-01-07	Beacon Co 10% Owner	4	Stock Purchase Warrants (right to buy) Derivative · Direct	P Open market or private purchase of non-derivative or derivative security	+500,000 500,000 owned after	$15.00 exercise price	2009-01-09
2009-01-07	Beacon Co 10% Owner	4	Stock Purchase Warrants (right to buy) Derivative · Direct	P Open market or private purchase of non-derivative or derivative security	+1,000,000 1,000,000 owned after	$20.00 exercise price	2009-01-09
2009-01-07	Beacon Co 10% Owner	4	Stock Purchase Warrants (right to buy) Derivative · Direct	P Open market or private purchase of non-derivative or derivative security	+1,500,000 1,500,000 owned after	$30.00 exercise price	2009-01-09
2009-01-07	Rosebay Medical Co L.P. 10% Owner	4	Stock Purchase Warrants (right to buy) Derivative · Direct	P Open market or private purchase of non-derivative or derivative security	+500,000 500,000 owned after	$15.00 exercise price	2009-01-09
2009-01-07	Rosebay Medical Co L.P. 10% Owner	4	Stock Purchase Warrants (right to buy) Derivative · Direct	P Open market or private purchase of non-derivative or derivative security	+1,000,000 1,000,000 owned after	$20.00 exercise price	2009-01-09
2009-01-07	Rosebay Medical Co L.P. 10% Owner	4	Stock Purchase Warrants (right to buy) Derivative · Direct	P Open market or private purchase of non-derivative or derivative security	+1,500,000 1,500,000 owned after	$30.00 exercise price	2009-01-09