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Filing Details

Accession Number:: 0001144204-15-010771
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2015-02-18 21:49:57
Reporting Period:: 2014-01-29

Filing Date:: 2015-02-18
Accepted Time:: 2015-02-18 21:49:57
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1001233	Sangamo Biosciences Inc	SGMO	Biological Products, (No Disgnostic Substances) (2836)	680359556

Insiders

Cik	Name	Reported Address	Director	Officer	Large Shareholder	Other
1315082	Ra Capital Healthcare Fund Lp	C/O Ra Capital Management, Llc 20 Park Plaza, Suite 1200 Boston MA 02116	No	No	No	Yes
1346824	Ra Capital Management, Llc	20 Park Plaza, Suite 1200 Boston MA 02116	No	No	No	Yes
1384859	Peter Kolchinsky	C/O Ra Capital Management, Llc 20 Park Plaza, Suite 1200 Boston MA 02116	No	No	No	Yes

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Acquisiton	2014-02-05	13,694	$18.17	3,696,696	No	4	P	Direct
Common Stock	Acquisiton	2014-02-05	17,640	$18.21	3,714,336	No	4	P	Direct
Common Stock	Acquisiton	2014-02-05	10,666	$18.36	3,725,002	No	4	P	Direct
Common Stock	Disposition	2014-02-06	7,312	$18.42	3,717,690	No	4	S	Direct
Common Stock	Disposition	2014-02-07	34,688	$18.52	3,683,002	No	4	S	Direct
Common Stock	Acquisiton	2014-02-11	42,000	$19.65	3,725,002	No	4	P	Direct
Common Stock	Acquisiton	2014-02-12	42,000	$18.04	3,767,002	No	4	P	Direct
Common Stock	Disposition	2014-02-13	15,409	$18.46	3,751,593	No	4	S	Direct
Common Stock	Disposition	2014-02-14	15,380	$18.61	3,736,213	No	4	S	Direct
Common Stock	Disposition	2014-02-18	11,172	$18.11	3,725,041	No	4	S	Direct
Common Stock	Disposition	2014-02-19	6,720	$18.51	3,718,321	No	4	S	Direct
Common Stock	Disposition	2014-02-20	39	$18.39	3,718,282	No	4	S	Direct
Common Stock	Disposition	2014-02-20	35,280	$18.40	3,683,002	No	4	S	Direct
Common Stock	Acquisiton	2014-02-26	32,194	$19.15	3,715,196	No	4	P	Direct
Common Stock	Acquisiton	2014-02-26	42,000	$19.90	3,757,196	No	4	P	Direct
Common Stock	Disposition	2014-02-27	14,953	$19.26	3,742,243	No	4	S	Direct
Common Stock	Disposition	2014-02-27	17,243	$19.46	3,725,000	No	4	S	Direct
Common Stock	Acquisiton	2014-02-28	42,000	$18.10	3,767,000	No	4	P	Direct
Common Stock	Disposition	2014-03-03	67,200	$18.21	3,699,800	No	4	S	Direct
Common Stock	Disposition	2014-03-03	16,800	$18.23	3,683,000	No	4	S	Direct
Common Stock	Acquisiton	2014-03-06	42,001	$22.45	3,683,000	No	4	P	Direct
Common Stock	Acquisiton	2014-03-06	42,000	$22.56	3,683,000	No	4	P	Direct
Common Stock	Disposition	2014-03-06	31,531	$23.18	3,683,000	No	4	S	Direct
Common Stock	Disposition	2014-03-06	241,471	$23.24	3,683,000	No	4	S	Direct
Common Stock	Disposition	2014-03-06	20,415	$24.00	3,683,000	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	P	Direct
No	4	P	Direct
No	4	P	Direct
No	4	S	Direct
No	4	S	Direct
No	4	P	Direct
No	4	P	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	P	Direct
No	4	P	Direct
No	4	S	Direct
No	4	S	Direct
No	4	P	Direct
No	4	S	Direct
No	4	S	Direct
No	4	P	Direct
No	4	P	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct

Reported Derivative Transactions

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Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Call Option (right to buy)	Disposition	2014-01-29	8,275	$7.00	827,500	$20.00
Common Stock	Call Option (obligation to sell)	Disposition	2014-01-29	8,275	$3.90	827,500	$30.00
Common Stock	Call Option (right to buy)	Disposition	2014-01-29	8,275	$5.00	827,500	$25.00
Common Stock	Call Option (obligation to sell)	Disposition	2014-01-29	8,275	$2.60	827,500	$35.00

Remaning Holdings	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
8,275	2016-01-17	No	4	P	Direct
8,275	2016-01-17	No	4	S	Direct
8,275	2016-01-17	No	4	P	Direct
8,275	2016-01-17	No	4	S	Direct

Footnotes

The reported securities are owned by RA Capital Healthcare Fund, L.P. (the "Fund"). RA Capital Management, LLC (the "Adviser") is the general partner of the Fund, and Peter Kolchinsky is the sole manager of the Adviser. The Adviser and Mr. Kolchinsky disclaim beneficial ownership of the reported securities in reliance on Rule 16a-1(a)(1)(v) and (vii), respectively, and therefore disclaim any obligation to report ownership of the reported securities other than on behalf of the Fund. The filing of this Form 4 shall not be construed as an admission that either the Adviser or Mr. Kolchinsky is or was, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the beneficial owner of any of the securities reported herein. The number of shares reported in Col 5 of Table I and the number of options reported in Col 9 of Table II reflect the number of shares or options, as applicable, beneficially owned by the Fund as of the time of the last transaction reported herein.
The Fund delivered these shares to a stock lender to satisfy the Fund's obligation to return shares previously borrowed.
The Fund borrowed shares for delivery against this sale.
These options are exercisable at any time prior to their expiration.
These options reflect an "option spread" strategy pursuant to which the Fund simultaneously (1) purchased 8,275 call option contracts, each representing a right to purchase 100 shares of the issuer's common stock at $20.00 per share and (2) sold 8,275 call option contracts, each representing an obligation to sell 100 shares of the issuer's common stock at $30.00 per share.
These options reflect an "option spread" strategy pursuant to which the Fund simultaneously (1) purchased 8,275 call option contracts, each representing a right to purchase 100 shares of the issuer's common stock at $25.00 per share and (2) sold 8,275 call option contracts, each representing an obligation to sell 100 shares of the issuer's common stock at $35.00 per share.