DAVID B SINGER Insider Trading Transactions

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General | Insider Transactions | Monthly Overview

Get the latest insider transactions of DAVID B SINGER. DAVID B SINGER is Director in AFFYMETRIX INC ($AFFX) and in 1Life Healthcare Inc ($ONEM) and Director in 1Life Healthcare Inc ($ONEM) and Director in CASTLIGHT HEALTH, INC. ($CSLT) and Director in Seer, Inc. ($SEER).

Latest Insider Trading Transactions of DAVID B SINGER

	1 Week	2 Weeks	1 Month	3 Months	6 Months	1 Year	2 Years
No. of Purchases	0	0	0	0	0	0	0
Value of Purchases ($)	0	0	0	0	0	0	0
No. of Sales	0	0	0	0	0	0	0
Value of Sales ($)	0	0	0	0	0	0	0

Sentiment: All, ONEM, AFFX, CSLT, SEER

Page: 1 2 next >

Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
Apr 19 2021	ONEM	1Life Healthcare I ...	SINGER DAVID B		Option Exercise	A	42.70	479	20,453	479
Jan 20 2021	ONEM	1Life Healthcare I ...	SINGER DAVID B		Option Exercise	A	42.68	483	20,614	483
Jan 20 2021	ONEM	1Life Healthcare I ...	SINGER DAVID B		Option Exercise	A	42.68	483	20,614	483
Dec 11 2020	SEER	Seer, Inc.	SINGER DAVID B	Director	Option Exercise	A	19.00	37,383	710,277	37,383
Dec 10 2020	SEER	Seer, Inc.	SINGER DAVID B	Director	Option Exercise	C	0.00	131,627	0	0
Dec 10 2020	SEER	Seer, Inc.	SINGER DAVID B	Director	Option Exercise	C	0.00	179,192	0	0
Dec 10 2020	SEER	Seer, Inc.	SINGER DAVID B	Director	Option Exercise	C	0.00	145,780	0	0
Dec 10 2020	SEER	Seer, Inc.	SINGER DAVID B	Director	Option Exercise	C	0.00	700,762	0	0
Dec 10 2020	SEER	Seer, Inc.	SINGER DAVID B	Director	Option Exercise	C	0.00	777,593	0	0
Dec 10 2020	SEER	Seer, Inc.	SINGER DAVID B	Director	Option Exercise	C	0.00	242,204	0	0
Dec 10 2020	SEER	Seer, Inc.	SINGER DAVID B	Director	Option Exercise	C	0.00	326,269	0	0
Dec 10 2020	SEER	Seer, Inc.	SINGER DAVID B	Director	Option Exercise	C	0.00	265,434	0	0
Dec 10 2020	SEER	Seer, Inc.	SINGER DAVID B	Director	Option Exercise	C	0.00	1,275,928	0	0
Dec 10 2020	SEER	Seer, Inc.	SINGER DAVID B	Director	Option Exercise	C	0.00	1,280,724	0	0
Dec 10 2020	SEER	Seer, Inc.	SINGER DAVID B	Director	Buy	C	0.00	1,934,954	0	1,934,954	0 to 1.9 M
Dec 10 2020	SEER	Seer, Inc.	SINGER DAVID B	Director	Buy	C	0.00	3,390,559	0	3,390,559	0 to 3.4 M
Dec 10 2020	SEER	Seer, Inc.	SINGER DAVID B	Director	Option Exercise	C	0.00	131,627	0	0
Dec 10 2020	SEER	Seer, Inc.	SINGER DAVID B	Director	Option Exercise	C	0.00	179,192	0	0
Dec 10 2020	SEER	Seer, Inc.	SINGER DAVID B	Director	Option Exercise	C	0.00	145,780	0	0
Dec 10 2020	SEER	Seer, Inc.	SINGER DAVID B	Director	Option Exercise	C	0.00	700,762	0	0
Dec 10 2020	SEER	Seer, Inc.	SINGER DAVID B	Director	Option Exercise	C	0.00	777,593	0	0
Dec 10 2020	SEER	Seer, Inc.	SINGER DAVID B	Director	Option Exercise	C	0.00	242,204	0	0
Dec 10 2020	SEER	Seer, Inc.	SINGER DAVID B	Director	Option Exercise	C	0.00	326,269	0	0
Dec 10 2020	SEER	Seer, Inc.	SINGER DAVID B	Director	Option Exercise	C	0.00	265,434	0	0
Dec 10 2020	SEER	Seer, Inc.	SINGER DAVID B	Director	Option Exercise	C	0.00	1,275,928	0	0
Dec 10 2020	SEER	Seer, Inc.	SINGER DAVID B	Director	Option Exercise	C	0.00	1,280,724	0	0
Dec 10 2020	SEER	Seer, Inc.	SINGER DAVID B	Director	Buy	C	0.00	1,934,954	0	1,934,954	0 to 1.9 M
Dec 10 2020	SEER	Seer, Inc.	SINGER DAVID B	Director	Buy	C	0.00	3,390,559	0	3,390,559	0 to 3.4 M
Oct 19 2020	ONEM	1Life Healthcare I ...	SINGER DAVID B		Option Exercise	A	30.48	676	20,604	676
Jul 17 2020	ONEM	1Life Healthcare I ...	SINGER DAVID B		Option Exercise	A	40.55	498	20,194	498
Jun 05 2020	CSLT	CASTLIGHT HEALTH, ...	SINGER DAVID B	Director	Grant	A	0.00	180,645	0	334,477	153.8 K to 334.5 K (+117.43 %)
May 18 2020	ONEM	1Life Healthcare I ...	SINGER DAVID B	Director	Option Exercise	A	29.00	5,294	153,526	5,294
Jun 07 2019	CSLT	CASTLIGHT HEALTH, ...	SINGER DAVID B	Director	Grant	A	0.00	44,164	0	153,832	109.7 K to 153.8 K (+40.27 %)
Jun 22 2018	CSLT	CASTLIGHT HEALTH, ...	SINGER DAVID B	Director	Grant	A	0.00	32,183	0	109,668	77.5 K to 109.7 K (+41.53 %)
Jun 26 2017	CSLT	CASTLIGHT HEALTH, ...	SINGER DAVID B	Director	Grant	A	0.00	33,735	0	77,485	43.8 K to 77.5 K (+77.11 %)
Jun 23 2016	CSLT	CASTLIGHT HEALTH, ...	SINGER DAVID B	Director	Grant	A	0.00	31,250	0	43,750	12.5 K to 43.8 K (+250.00 %)
Jun 19 2015	CSLT	CASTLIGHT HEALTH, ...	SINGER DAVID B	Director	Grant	A	0.00	12,500	0	12,500	0 to 12.5 K
Oct 26 2005	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Option Exercise	M	21.17	10,000	211,700	0
Oct 26 2005	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Sell	S	45.00	10,000	449,952	16,332	26.3 K to 16.3 K (-37.98 %)
Oct 26 2005	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Buy	M	21.17	10,000	211,700	0	-10,000 to 0 (-100.00 %)
Jul 07 2005	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Option Exercise	A	57.08	10,000	570,800	10,000
Feb 02 2005	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Option Exercise	M	16.27	10,000	162,700	0
Feb 02 2005	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Sell	S	40.60	10,000	406,049	16,332	26.3 K to 16.3 K (-37.98 %)
Feb 02 2005	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Sell	S	40.60	10,000	406,049	26,332	36.3 K to 26.3 K (-27.52 %)
Feb 02 2005	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Buy	M	16.27	10,000	162,700	0	-10,000 to 0 (-100.00 %)
Oct 28 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Option Exercise	M	0.34	23,666	7,987	0
Oct 28 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Sell	S	30.89	1,000	30,890	1,000	2 K to 1,000 (-50.00 %)
Oct 28 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Sell	S	30.89	23,666	731,123	26,332	50 K to 26.3 K (-47.33 %)
Oct 28 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Buy	M	0.34	23,666	7,987	0	-23,666 to 0 (-100.00 %)
Aug 04 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Option Exercise	M	0.34	500	169	23,666
Aug 04 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Sell	S	26.93	500	13,465	26,332	26.8 K to 26.3 K (-1.86 %)
Aug 04 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Buy	M	0.34	500	169	0	-500 to 0 (-100.00 %)
Jul 28 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Option Exercise	M	0.34	500	169	24,166
Jul 28 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Sell	S	26.60	500	13,300	26,332	26.8 K to 26.3 K (-1.86 %)
Jul 28 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Buy	M	0.34	500	169	0	-500 to 0 (-100.00 %)
Jul 14 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Option Exercise	M	0.34	500	169	25,166
Jul 14 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Sell	S	30.50	500	15,250	26,332	26.8 K to 26.3 K (-1.86 %)
Jul 14 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Buy	M	0.34	500	169	0	-500 to 0 (-100.00 %)
Jul 21 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Option Exercise	M	0.34	500	169	24,666
Jul 21 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Sell	S	28.65	500	14,325	26,332	26.8 K to 26.3 K (-1.86 %)
Jul 21 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Buy	M	0.34	500	169	0	-500 to 0 (-100.00 %)
Jul 07 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Option Exercise	M	0.34	500	169	25,666
Jul 07 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Sell	S	30.82	500	15,410	26,332	26.8 K to 26.3 K (-1.86 %)
Jul 07 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Buy	M	0.34	500	169	0	-500 to 0 (-100.00 %)
Jun 29 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Option Exercise	M	0.34	500	169	26,166
Jun 29 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Sell	S	32.16	500	16,080	26,332	26.8 K to 26.3 K (-1.86 %)
Jun 29 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Buy	M	0.34	500	169	0	-500 to 0 (-100.00 %)
Jun 15 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Option Exercise	M	0.34	500	169	27,166
Jun 15 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Sell	S	29.99	500	14,995	26,332	26.8 K to 26.3 K (-1.86 %)
Jun 15 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Buy	M	0.34	500	169	0	-500 to 0 (-100.00 %)
Jun 22 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Option Exercise	M	0.34	500	169	26,666
Jun 22 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Sell	S	30.59	500	15,295	26,332	26.8 K to 26.3 K (-1.86 %)
Jun 22 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Buy	M	0.34	500	169	0	-500 to 0 (-100.00 %)
Jun 15 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Option Exercise	A	27.19	10,000	271,900	10,000
Jun 09 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Option Exercise	M	0.34	500	169	27,666
Jun 09 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Sell	S	28.56	500	14,280	26,332	26.8 K to 26.3 K (-1.86 %)
Jun 09 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Buy	M	0.34	500	169	0	-500 to 0 (-100.00 %)
Jun 09 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Option Exercise	M	0.34	500	169	27,666
Jun 09 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Sell	S	28.56	500	14,280	26,332	26.8 K to 26.3 K (-1.86 %)
Jun 09 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Buy	M	0.34	500	169	0	-500 to 0 (-100.00 %)
Jun 02 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Option Exercise	M	0.34	500	169	28,166
Jun 02 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Sell	S	29.64	500	14,820	26,332	26.8 K to 26.3 K (-1.86 %)
Jun 02 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Buy	M	0.34	500	169	0	-500 to 0 (-100.00 %)
May 26 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Option Exercise	M	0.34	500	169	28,666
May 26 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Sell	S	29.36	500	14,680	26,332	26.8 K to 26.3 K (-1.86 %)
May 26 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Buy	M	0.34	500	169	0	-500 to 0 (-100.00 %)
May 18 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Option Exercise	M	0.34	500	169	29,166
May 18 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Sell	S	30.70	500	15,350	26,332	26.8 K to 26.3 K (-1.86 %)
May 18 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Buy	M	0.34	500	169	0	-500 to 0 (-100.00 %)
May 12 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Option Exercise	M	0.34	500	169	29,666
May 12 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Sell	S	29.93	500	14,965	26,332	26.8 K to 26.3 K (-1.86 %)
May 12 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Buy	M	0.34	500	169	0	-500 to 0 (-100.00 %)
May 04 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Option Exercise	M	0.34	500	169	30,166
May 04 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Sell	S	31.23	500	15,615	26,332	26.8 K to 26.3 K (-1.86 %)
May 04 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Buy	M	0.34	500	169	0	-500 to 0 (-100.00 %)
May 04 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Option Exercise	M	0.34	500	169	30,166
May 04 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Sell	S	31.23	500	15,615	26,332	26.8 K to 26.3 K (-1.86 %)
May 04 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Buy	M	0.34	500	169	0	-500 to 0 (-100.00 %)
Apr 27 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Option Exercise	M	0.34	500	169	30,666
Apr 27 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Sell	S	31.82	500	15,910	26,332	26.8 K to 26.3 K (-1.86 %)
Apr 27 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Buy	M	0.34	500	169	0	-500 to 0 (-100.00 %)
Apr 27 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Option Exercise	M	0.34	500	169	30,666
Apr 27 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Sell	S	31.82	500	15,910	26,332	26.8 K to 26.3 K (-1.86 %)
Apr 27 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Buy	M	0.34	500	169	0	-500 to 0 (-100.00 %)
Apr 21 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Option Exercise	M	0.34	500	169	31,166
Apr 21 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Sell	S	37.95	500	18,975	26,332	26.8 K to 26.3 K (-1.86 %)
Apr 21 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Buy	M	0.34	500	169	0	-500 to 0 (-100.00 %)
Apr 14 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Option Exercise	M	0.34	500	169	31,666
Apr 14 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Sell	S	35.46	500	17,730	26,332	26.8 K to 26.3 K (-1.86 %)
Apr 14 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Buy	M	0.34	500	169	0	-500 to 0 (-100.00 %)
Apr 07 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Option Exercise	M	0.34	500	169	32,166
Apr 07 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Sell	S	35.88	500	17,940	26,332	26.8 K to 26.3 K (-1.86 %)
Apr 07 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Buy	M	0.34	500	169	0	-500 to 0 (-100.00 %)
Mar 31 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Option Exercise	M	0.34	500	169	32,666
Mar 31 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Sell	S	33.44	500	16,720	26,332	26.8 K to 26.3 K (-1.86 %)
Mar 31 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Buy	M	0.34	500	169	0	-500 to 0 (-100.00 %)
Mar 31 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Option Exercise	M	0.34	500	169	32,666
Mar 31 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Sell	S	33.44	500	16,720	26,332	26.8 K to 26.3 K (-1.86 %)
Mar 31 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Buy	M	0.34	500	169	0	-500 to 0 (-100.00 %)
Mar 25 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Option Exercise	M	0.34	500	169	33,166
Mar 25 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Sell	S	31.49	500	15,745	26,332	26.8 K to 26.3 K (-1.86 %)
Mar 25 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Buy	M	0.34	500	169	0	-500 to 0 (-100.00 %)
Mar 25 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Option Exercise	M	0.34	500	169	33,166
Mar 25 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Sell	S	31.49	500	15,745	26,332	26.8 K to 26.3 K (-1.86 %)
Mar 25 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Buy	M	0.34	500	169	0	-500 to 0 (-100.00 %)
Mar 17 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Option Exercise	M	0.34	500	169	33,666
Mar 17 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Sell	S	32.29	500	16,145	26,332	26.8 K to 26.3 K (-1.86 %)
Mar 17 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Buy	M	0.34	500	169	0	-500 to 0 (-100.00 %)
Mar 17 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Option Exercise	M	0.34	500	169	33,666
Mar 17 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Sell	S	32.29	500	16,145	26,332	26.8 K to 26.3 K (-1.86 %)
Mar 17 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Buy	M	0.34	500	169	0	-500 to 0 (-100.00 %)
Mar 17 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Option Exercise	M	0.34	500	169	33,666
Mar 17 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Sell	S	32.29	500	16,145	26,332	26.8 K to 26.3 K (-1.86 %)
Mar 17 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Buy	M	0.34	500	169	0	-500 to 0 (-100.00 %)
Mar 09 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Option Exercise	M	0.34	500	169	34,166
Mar 09 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Sell	S	34.58	500	17,290	26,332	26.8 K to 26.3 K (-1.86 %)
Mar 09 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Buy	M	0.34	500	169	0	-500 to 0 (-100.00 %)
Mar 04 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Option Exercise	M	0.34	500	169	34,666
Mar 04 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Sell	S	35.32	500	17,660	26,332	26.8 K to 26.3 K (-1.86 %)
Mar 04 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Buy	M	0.34	500	169	0	-500 to 0 (-100.00 %)
Mar 04 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Option Exercise	M	0.34	500	169	34,666
Mar 04 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Sell	S	35.32	500	17,660	26,332	26.8 K to 26.3 K (-1.86 %)
Mar 04 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Buy	M	0.34	500	169	0	-500 to 0 (-100.00 %)
Feb 18 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Option Exercise	M	0.34	500	169	35,666
Feb 18 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Sell	S	32.95	500	16,475	26,332	26.8 K to 26.3 K (-1.86 %)
Feb 18 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Buy	M	0.34	500	169	0	-500 to 0 (-100.00 %)
Feb 26 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Option Exercise	M	0.34	500	169	35,166
Feb 26 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Sell	S	32.81	500	16,405	26,332	26.8 K to 26.3 K (-1.86 %)
Feb 26 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Buy	M	0.34	500	169	0	-500 to 0 (-100.00 %)
Feb 05 2004	AFFX	AFFYMETRIX INC	SINGER DAVID B	Director	Option Exercise	M	0.34	500	169	36,666

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