Yamashita Tsutomu T - Insider Stock Trading

Filing Date	T Date	Ticker	Issuer	Inc	Sector	Ind	Industry	Owner	oSt	Rel	Title	T	TVal	Price	Qty	oc	Own	H
3/15/07 20:04	3/14/07	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	EVP,CTO	M.d	0	0.0100	5	14	43	D
2/21/07 15:41	2/20/07	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	EVP,CTO	M.d	24	13.15	2	5	38	D
2/21/07 15:41	2/20/07	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	EVP,CTO	S.d	-224	32.15	-7	-16	38	D
10/10/06 19:43	10/10/06	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	EVP,CTO	M.d	0	0.0100	25	121	46	D
10/13/05 16:48	10/13/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	SVP,PROC	M.d	2	18.85	0	1	10	D
10/13/05 16:48	10/13/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	SVP,PROC	S.d	-3	28.77	0	-1	10	D
10/13/05 16:38	10/13/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	SVP,PROC	M.d	2	13.16	0	2	10	D
10/13/05 16:38	10/13/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	SVP,PROC	S.d	-5	28.37	0	-2	10	D
10/13/05 16:31	10/13/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	SVP,PROC	M.d	2	6.48	0	3	10	D
10/13/05 16:31	10/13/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	SVP,PROC	S.d	-9	28.02	0	-3	10	D
9/14/05 14:21	9/13/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	SVP,PROC	M.d	2	18.85	0	1	10	D
9/14/05 14:21	9/13/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	SVP,PROC	S.d	-3	34.88	0	-1	10	D
9/14/05 14:11	9/13/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	SVP,PROC	M.d	2	13.16	0	2	10	D
9/14/05 14:11	9/13/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	SVP,PROC	S.d	-6	34.41	0	-2	10	D
9/14/05 13:55	9/13/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	SVP,PROC	M.d	2	6.48	0	3	10	D
9/14/05 13:55	9/13/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	SVP,PROC	S.d	-11	34.12	0	-3	10	D
8/17/05 14:08	8/15/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	M.d	2	18.85	0	1	10	D
8/17/05 14:08	8/15/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	S.d	-4	38.01	0	-1	10	D
8/17/05 14:01	8/15/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	M.d	2	13.16	0	2	10	D
8/17/05 14:01	8/15/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	S.d	-7	37.98	0	-2	10	D
8/17/05 13:45	8/15/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	M.d	2	6.48	0	3	10	D
8/17/05 13:45	8/15/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	S.d	-12	37.52	0	-3	10	D
7/14/05 19:54	7/13/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	M.d	2	18.85	0	1	10	D
7/14/05 19:54	7/13/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	S.d	-3	33.00	0	-1	10	D
7/14/05 19:51	7/13/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	M.d	2	13.16	0	2	10	D
7/14/05 19:51	7/13/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	S.d	-6	32.89	0	-2	10	D
7/14/05 19:37	7/13/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	M.d	2	6.48	0	3	10	D
7/14/05 19:37	7/13/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	S.d	-11	32.68	0	-3	10	D
6/16/05 19:28	6/13/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	M.ad	2	13.16	0	2	10	D
6/16/05 19:28	6/13/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	S.ad	-6	30.69	0	-2	10	D
6/14/05 21:01	6/13/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	M.d	2	18.85	0	1	10	D
6/14/05 21:01	6/13/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	S.d	-3	30.93	0	-1	10	D
6/14/05 20:51	6/13/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	M.d	134	13.16	10		10	D
6/14/05 20:51	6/13/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	S.d	-6	30.69	0	-2	10	D
6/14/05 20:41	6/13/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	M.d	2	6.48	0	3	10	D
6/14/05 20:41	6/13/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	S.d	-10	30.32	0	-3	10	D
5/18/05 16:22	5/17/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	M.d	29	18.85	2	19	10	D
5/18/05 16:22	5/17/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	S.d	-40	25.50	-2	-14	10	D
5/18/05 16:19	5/17/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	M.d	0	13.16	0	0	10	D
5/18/05 16:19	5/17/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	S.d	0	25.35	0	0	10	D
5/17/05 21:14	5/16/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	M.d	28	13.16	2	28	10	D
5/17/05 21:14	5/16/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	S.d	-55	25.52	-2	-18	10	D
5/17/05 20:57	5/16/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	M.d	2	6.48	0	3	10	D
5/17/05 20:57	5/16/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	S.d	-9	25.47	0	-3	10	D
5/17/05 20:20	5/16/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	S	-189	25.24	-8	-43	10	D
5/13/05 18:09	5/13/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	S	-248	24.78	-10	-36	18	D
3/8/05 14:36	3/4/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	M.d	19	13.16	1	6	28	D
3/8/05 14:36	3/4/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	S.d	-32	21.70	-1	-5	28	D
3/7/05 21:58	3/4/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	M.d	2	6.48	0	1	28	D
3/7/05 21:58	3/4/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	S.d	-7	21.60	0	-1	28	D
2/18/05 19:30	2/18/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	M.d	0	0.0100	10	57	28	D
2/4/05 20:59	2/4/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	M.d	19	13.16	1	9	18	D
2/4/05 20:59	2/4/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	S.d	-29	20.02	-1	-8	18	D
2/4/05 20:32	2/4/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	M.d	2	6.48	0	2	18	D
2/4/05 20:32	2/4/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	S.d	-7	20.00	0	-2	18	D
2/2/05 17:49	2/2/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	M.d	29	6.48	5	35	18	D
2/2/05 17:49	2/2/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	S.d	-90	20.00	-5	-20	18	D
1/6/05 17:35	1/6/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	M.d	4	13.16	0	2	18	D
1/6/05 17:35	1/6/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	S.d	-6	17.79	0	-2	18	D
1/6/05 17:16	1/6/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	M.d	4	6.48	1	3	18	D
1/6/05 17:16	1/6/05	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	S.d	-10	17.97	-1	-3	18	D
12/6/04 18:41	12/6/04	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	M.d	6	6.48	1	5	18	D
12/6/04 18:41	12/6/04	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	S.d	-17	18.68	-1	-5	18	D
12/1/04 19:29	12/1/04	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	S	-130	17.33	-8	-30	18	D
11/30/04 19:47	11/30/04	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	M.d	0	0.00	35		25	D
11/30/04 19:47	11/30/04	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	S.d	-168	16.78	-10	-29	25	D
10/6/04 19:44	10/6/04	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	M.d	6	6.48	1		0	D
10/6/04 19:44	10/6/04	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	S.d	-14	16.01	-1	-100	0	D
10/4/04 18:43	10/4/04	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	M.d	12	6.48	2		0	D
10/4/04 18:43	10/4/04	KOMG	Komag Inc /de/	DE	Tech	CStrg	Magnetic & Optical Recording	Yamashita Tsutomu T	CA	O	VP,PROCE	S.d	-27	15.00	-2	-100	0	D

D	Derivative transaction in filing (usually option exercise)
M	Multiple transactions in filing; earliest reported transaction date and weighted average transaction price
A	Amended filing
E	Error detected in filing

S - Sale	Sale of securities on an exchange or to another person
S - Sale+OE	Sale of securities on an exchange or to another person (after option exercise)
F - Tax	Payment of exercise price or tax liability using portion of securities received from the company
P - Purchase	Purchase of securities on an exchange or from another person

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