Singer David B

Number of records: 50
SEC FilingCompany/StockTrade DateTransactionSharesAvg. PriceTotal% HoldingsGain/Loss
18-Feb-22 2:12 PM
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Castlight Health, Inc. (CSLT) 17-Feb-22Disposition 405,184----(100%)
405.18K to 0
19-Jul-21 6:49 PM
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1life Healthcare Inc (ONEM) 15-Jul-21Grant 264----100%
0 to 0.26K
14-Jun-21 7:05 PM
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Castlight Health, Inc. (CSLT) 10-Jun-21Grant 70,707----21%
334.48K to 405.18K
10-Dec-20 9:54 PM
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Seer, Inc. (SEER) 08-Dec-20Conversion
Duplicate
5,325,510----100%
0 to 5.33M
05-Jun-20 5:50 PM
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Castlight Health, Inc. (CSLT) 03-Jun-20Grant 180,645----117%
153.83K to 334.48K
07-Jun-19 6:58 PM
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Castlight Health, Inc. (CSLT) 05-Jun-19Grant 44,164----40%
109.67K to 153.83K
22-Jun-18 5:39 PM
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Castlight Health, Inc. (CSLT) 20-Jun-18Grant 32,183----42%
77.48K to 109.67K
26-Jun-17 7:27 PM
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Castlight Health, Inc. (CSLT) 22-Jun-17Grant 33,735----77%
43.75K to 77.48K
23-Jun-16 6:19 PM
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Castlight Health, Inc. (CSLT) 22-Jun-16Grant 31,250----250%
12.5K to 43.75K
19-Jun-15 6:39 PM
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Castlight Health, Inc. (CSLT) 17-Jun-15Grant 12,500----100%
0 to 12.5K
13-Feb-08 10:00 PM
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Corcept Therapeutics Inc. (CORT) 17-Dec-07Gift 19,998----(3%)
798.66K to 778.67K
09-Feb-07 10:00 PM
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Oscient Pharmaceuticals Corp. (OSCI) 04-Apr-06Gift 3,750----9%
43.91K to 47.66K
09-Feb-07 10:00 PM
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Oscient Pharmaceuticals Corp. (OSCI) 04-Apr-06Gift 3,750----(8%)
47.66K to 43.91K
10-Mar-06 4:05 PM
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Affymetrix Inc. (AFFX) 28-Feb-06Gift 525----(3%)
16.86K to 16.33K
14-Feb-06 10:00 PM
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Affymetrix Inc. (AFFX) 16-Nov-05Gift 475----(47%)
1.0K to 0.53K
08-Nov-05 8:36 PM
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Oscient Pharmaceuticals Corp. (OSCI) 04-Nov-05Option Exercise 250,724$0.07$17,550.7053%
476.79K to 727.51K
08-Nov-05 8:36 PM
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Oscient Pharmaceuticals Corp. (OSCI) 04-Nov-05Market Option Sale 250,724$1.74$437,252.00(34%)
727.51K to 476.79K
99%
26-Oct-05 3:54 PM
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Affymetrix Inc. (AFFX) 25-Oct-05Option Exercise 10,000$21.17$211,700.0058%
17.33K to 27.33K
26-Oct-05 3:54 PM
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Affymetrix Inc. (AFFX) 25-Oct-05Market Option Sale 10,000$45.00$449,952.00(37%)
27.33K to 17.33K
74%
09-Jun-05 5:06 PM
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Oscient Pharmaceuticals Corp. (OSCI) 07-Jun-05Gift 20,000----3%
653.62K to 673.62K
09-Jun-05 5:06 PM
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Oscient Pharmaceuticals Corp. (OSCI) 07-Jun-05Gift 20,000----(3%)
673.62K to 653.62K
02-Feb-05 12:35 PM
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Affymetrix Inc. (AFFX) 31-Jan-05Option Exercise 10,000$16.27$162,700.0037%
27.33K to 37.33K
1%
02-Feb-05 12:35 PM
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Affymetrix Inc. (AFFX) 31-Jan-05Market Option Sale 10,000$40.60$406,049.00(27%)
37.33K to 27.33K
71%
02-Feb-05 12:35 PM
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Affymetrix Inc. (AFFX) 31-Jan-05Market Sale 10,000$40.60$406,049.00(37%)
27.33K to 17.33K
71%
03-Jan-05 4:17 PM
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Corcept Therapeutics Inc. (CORT) 31-Dec-04Market Sale 17,500$6.27$109,779.00(2%)
796.17K to 778.67K
(230%)
03-Jan-05 4:17 PM
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Corcept Therapeutics Inc. (CORT) 30-Dec-04Market Sale 25,649$6.48$166,290.00(3%)
821.82K to 796.17K
(219%)
03-Jan-05 4:17 PM
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Corcept Therapeutics Inc. (CORT) 22-Dec-04Gift 7,000----(< 1%)
828.82K to 821.82K
28-Oct-04 10:00 PM
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Affymetrix Inc. (AFFX) 27-Oct-04Option Exercise 23,666$0.34$7,987.2784%
28.33K to 52.0K
28-Oct-04 10:00 PM
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Affymetrix Inc. (AFFX) 27-Oct-04Market Option Sale 23,666$30.89$731,123.00(46%)
52.0K to 28.33K
62%
28-Oct-04 10:00 PM
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Affymetrix Inc. (AFFX) 27-Oct-04Market Sale 1,000$30.89$30,890.00(4%)
28.33K to 27.33K
62%
04-Aug-04 10:00 PM
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Affymetrix Inc. (AFFX) 03-Aug-04Option Exercise 500$0.34$168.752%
28.33K to 28.83K
04-Aug-04 10:00 PM
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Affymetrix Inc. (AFFX) 03-Aug-04Market Option Sale (Planned) 500$26.93$13,465.00(2%)
28.83K to 28.33K
56%
28-Jul-04 12:59 PM
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Affymetrix Inc. (AFFX) 27-Jul-04Option Exercise 500$0.34$168.752%
28.33K to 28.83K
28-Jul-04 12:59 PM
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Affymetrix Inc. (AFFX) 27-Jul-04Market Option Sale (Planned) 500$26.60$13,300.00(2%)
28.83K to 28.33K
56%
21-Jul-04 3:02 PM
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Affymetrix Inc. (AFFX) 20-Jul-04Option Exercise 500$0.34$168.752%
28.33K to 28.83K
21-Jul-04 3:02 PM
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Affymetrix Inc. (AFFX) 20-Jul-04Market Option Sale (Planned) 500$28.65$14,325.00(2%)
28.83K to 28.33K
59%
14-Jul-04 1:53 PM
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Affymetrix Inc. (AFFX) 13-Jul-04Option Exercise 500$0.34$168.752%
28.33K to 28.83K
14-Jul-04 1:53 PM
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Affymetrix Inc. (AFFX) 13-Jul-04Market Option Sale (Planned) 500$30.50$15,250.00(2%)
28.83K to 28.33K
61%
07-Jul-04 1:04 PM
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Affymetrix Inc. (AFFX) 06-Jul-04Option Exercise 500$0.34$168.752%
28.33K to 28.83K
07-Jul-04 1:04 PM
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Affymetrix Inc. (AFFX) 06-Jul-04Market Option Sale (Planned) 500$30.82$15,410.00(2%)
28.83K to 28.33K
62%
29-Jun-04 5:23 PM
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Affymetrix Inc. (AFFX) 29-Jun-04Option Exercise 500$0.34$168.752%
28.33K to 28.83K
29-Jun-04 5:23 PM
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Affymetrix Inc. (AFFX) 29-Jun-04Market Option Sale (Planned) 500$32.16$16,080.00(2%)
28.83K to 28.33K
63%
22-Jun-04 5:43 PM
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Affymetrix Inc. (AFFX) 22-Jun-04Option Exercise 500$0.34$168.752%
28.33K to 28.83K
22-Jun-04 5:43 PM
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Affymetrix Inc. (AFFX) 22-Jun-04Market Option Sale (Planned) 500$30.59$15,295.00(2%)
28.83K to 28.33K
61%
15-Jun-04 5:44 PM
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Affymetrix Inc. (AFFX) 15-Jun-04Option Exercise 500$0.34$168.752%
28.33K to 28.83K
15-Jun-04 5:44 PM
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Affymetrix Inc. (AFFX) 15-Jun-04Market Option Sale (Planned) 500$29.99$14,995.00(2%)
28.83K to 28.33K
61%
09-Jun-04 9:54 AM
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Affymetrix Inc. (AFFX) 08-Jun-04Option Exercise 500$0.34$168.752%
28.33K to 28.83K
09-Jun-04 9:54 AM
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Affymetrix Inc. (AFFX) 08-Jun-04Market Option Sale (Planned) 500$28.56$14,280.00(2%)
28.83K to 28.33K
59%
02-Jun-04 1:15 PM
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Affymetrix Inc. (AFFX) 01-Jun-04Option Exercise 500$0.34$168.752%
28.33K to 28.83K
02-Jun-04 1:15 PM
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Affymetrix Inc. (AFFX) 01-Jun-04Market Option Sale (Planned) 500$29.64$14,820.00(2%)
28.83K to 28.33K
60%