Form
4
insider filings, from the source
Buys
Significant
Penny
Sales
Options
Clusters
Screener
Ratios
Learn
/
Insider · CIK 0001329724
David Jeffrey Richardson
Files at:
AMBA
,
KLIC
,
LSCC
.
On EDGAR ↗
Period
1M
3M
6M
1Y
2Y
All data
shares as filed — not split-adjusted
Open-market buys & sales
buys $0 · 0
sales $460k · 2
net −$460k
$10k
$10k
$100k
$100k
$1M
$1M
buys
sales
Mar 2015
Oct 2015
May 2016
Dec 2016
Jul 2017
Feb 2018
Sep 2018
Reported trades — common stock
Trade
Reported (ET)
Company
Shares
Avg price
Total
Owned after
Δ stake
Flags
Sep 8, 2026
A
Form 4 →
Sep 10, 4:48 pm EDT
AMBARELLA INC
AMBA
3,151
—
—
5,649
—
Jul 6, 2026
A
Form 4 →
Jul 8, 9:25 am EDT
KULICKE & SOFFA INDUSTRIES INC
KLIC
407
—
—
1,958
—
Dec 18, 2018
M
Form 4 →
Dec 20, 5:37 pm EST
AMBARELLA INC
AMBA
1,312
—
—
10,848
—
plan?
Sep 18, 2018
M
Form 4 →
Sep 20, 6:00 pm EDT
AMBARELLA INC
AMBA
1,232
—
—
9,536
—
plan?
Sep 12, 2018
S
Form 4 →
Sep 14, 3:59 pm EDT
AMBARELLA INC
AMBA
10,197
$39.93
$407,206
8,304
−55.1%
plan?
Jun 18, 2018
M
Form 4 →
Jun 20, 6:24 pm EDT
AMBARELLA INC
AMBA
1,231
—
—
18,501
—
plan?
Jun 1, 2018
M
Form 4 →
Jun 5, 1:14 pm EDT
LATTICE SEMICONDUCTOR CORP
LSCC
17,291
—
—
48,070
—
plan?
Mar 16, 2018
M
Form 4 →
Mar 20, 6:05 pm EDT
AMBARELLA INC
AMBA
1,649
—
—
17,270
—
plan?
Dec 18, 2017
M
Form 4 →
Dec 20, 4:40 pm EST
AMBARELLA INC
AMBA
1,648
—
—
15,621
—
plan?
Sep 18, 2017
M
Form 4 →
Sep 20, 4:18 pm EDT
AMBARELLA INC
AMBA
1,143
—
—
13,973
—
plan?
Jun 16, 2017
M
Form 4 →
Jun 20, 5:06 pm EDT
AMBARELLA INC
AMBA
1,142
—
—
12,830
—
plan?
May 13, 2017
M
Form 4 →
May 16, 1:04 pm EDT
LATTICE SEMICONDUCTOR CORP
LSCC
22,727
—
—
30,779
—
plan?
Mar 16, 2017
M
Form 4 →
Mar 17, 6:11 pm EDT
AMBARELLA INC
AMBA
1,143
—
—
11,688
—
plan?
Dec 16, 2016
M
Form 4 →
Dec 16, 7:18 pm EST
AMBARELLA INC
AMBA
1,143
—
—
10,545
—
plan?
Sep 16, 2016
M
Form 4 →
Sep 20, 5:08 pm EDT
AMBARELLA INC
AMBA
1,569
—
—
9,402
—
plan?
Jun 16, 2016
M
Form 4 →
Jun 20, 4:58 pm EDT
AMBARELLA INC
AMBA
1,570
—
—
7,833
—
plan?
May 7, 2016
M
Form 4 →
May 10, 1:45 pm EDT
LATTICE SEMICONDUCTOR CORP
LSCC
8,052
—
—
8,052
—
plan?
Mar 16, 2016
M
Form 4 →
Mar 18, 6:34 pm EDT
AMBARELLA INC
AMBA
1,570
—
—
6,263
—
plan?
Dec 16, 2015
M
Form 4 →
Dec 17, 7:03 pm EST
AMBARELLA INC
AMBA
1,568
—
—
4,693
—
plan?
Sep 16, 2015
M
Form 4 →
Sep 17, 7:26 pm EDT
AMBARELLA INC
AMBA
765
—
—
3,125
—
plan?
Jun 16, 2015
M
Form 4 →
Jun 17, 6:19 pm EDT
AMBARELLA INC
AMBA
764
—
—
2,360
—
plan?
Mar 17, 2015
M
Form 4 →
Mar 19, 6:39 pm EDT
AMBARELLA INC
AMBA
763
—
—
1,596
—
plan?
Mar 12, 2015
S
Form 4 →
Mar 13, 5:10 pm EDT
AMBARELLA INC
AMBA
764
$68.93
$52,659
833
−47.8%
plan?
Reported trades — derivatives (options, RSUs, warrants)
Trade
Reported (ET)
Company
Shares
Avg price
Total
Owned after
Δ stake
Flags
Dec 18, 2018
M
Form 4 →
Dec 20, 5:37 pm EST
AMBARELLA INC
AMBA
1,312
—
—
3,936
—
Sep 18, 2018
M
Form 4 →
Sep 20, 6:00 pm EDT
AMBARELLA INC
AMBA
1,232
—
—
0
—
Sep 4, 2018
A
Form 4 →
Sep 6, 6:09 pm EDT
AMBARELLA INC
AMBA
5,248
—
—
5,248
—
Jun 18, 2018
M
Form 4 →
Jun 20, 6:24 pm EDT
AMBARELLA INC
AMBA
1,231
—
—
1,232
—
Jun 1, 2018
M
Form 4 →
Jun 5, 1:14 pm EDT
LATTICE SEMICONDUCTOR CORP
LSCC
17,291
—
—
22,263
—
May 7, 2018
A
Form 4 →
May 9, 3:09 pm EDT
LATTICE SEMICONDUCTOR CORP
LSCC
22,263
—
—
39,554
—
Mar 16, 2018
M
Form 4 →
Mar 20, 6:05 pm EDT
AMBARELLA INC
AMBA
1,649
—
—
0
—
Dec 18, 2017
M
Form 4 →
Dec 20, 4:40 pm EST
AMBARELLA INC
AMBA
1,648
—
—
417
—
Sep 18, 2017
M
Form 4 →
Sep 20, 4:18 pm EDT
AMBARELLA INC
AMBA
1,143
—
—
834
—
Sep 5, 2017
A
Form 4 →
Sep 7, 5:33 pm EDT
AMBARELLA INC
AMBA
4,926
—
—
4,926
—
Jun 16, 2017
M
Form 4 →
Jun 20, 5:06 pm EDT
AMBARELLA INC
AMBA
1,142
—
—
1,251
—
Jun 1, 2017
A
Form 4 →
Jul 12, 6:48 pm EDT
LATTICE SEMICONDUCTOR CORP
LSCC
17,291
—
—
17,291
—
late
May 13, 2017
M
Form 4 →
May 16, 1:04 pm EDT
LATTICE SEMICONDUCTOR CORP
LSCC
22,727
—
—
0
—
Mar 16, 2017
M
Form 4 →
Mar 17, 6:11 pm EDT
AMBARELLA INC
AMBA
1,143
—
—
1,667
—
Dec 16, 2016
M
Form 4 →
Dec 16, 7:18 pm EST
AMBARELLA INC
AMBA
1,143
—
—
2,084
—
Sep 16, 2016
M
Form 4 →
Sep 20, 5:08 pm EDT
AMBARELLA INC
AMBA
1,569
—
—
2,501
—
Sep 6, 2016
A
Form 4 →
Sep 8, 7:12 pm EDT
AMBARELLA INC
AMBA
2,904
—
—
2,904
—
Jun 16, 2016
M
Form 4 →
Jun 20, 4:58 pm EDT
AMBARELLA INC
AMBA
1,570
—
—
2,917
—
May 13, 2016
A
Form 4 →
May 16, 3:08 pm EDT
LATTICE SEMICONDUCTOR CORP
LSCC
22,727
—
—
22,727
—
May 7, 2016
M
Form 4 →
May 10, 1:45 pm EDT
LATTICE SEMICONDUCTOR CORP
LSCC
8,052
—
—
0
—
Mar 16, 2016
M
Form 4 →
Mar 18, 6:34 pm EDT
AMBARELLA INC
AMBA
1,570
—
—
3,334
—
Dec 16, 2015
M
Form 4 →
Dec 17, 7:03 pm EST
AMBARELLA INC
AMBA
1,568
—
—
3,751
—
Oct 29, 2015
A
Form 4 →
Nov 2, 7:23 pm EST
AMBARELLA INC
AMBA
4,611
—
—
4,611
—
Sep 16, 2015
M
Form 4 →
Sep 17, 7:26 pm EDT
AMBARELLA INC
AMBA
765
—
—
0
—
Jun 16, 2015
M
Form 4 →
Jun 17, 6:19 pm EDT
AMBARELLA INC
AMBA
764
—
—
348
—
May 7, 2015
A
Form 4 →
May 12, 12:52 pm EDT
LATTICE SEMICONDUCTOR CORP
LSCC
8,052
—
—
8,052
—
late
Mar 17, 2015
M
Form 4 →
Mar 19, 6:39 pm EDT
AMBARELLA INC
AMBA
763
—
—
695
—