- Corporate Officers - L
- Lazar Jack R
Insider Trading History of Lazar Jack R
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Lazar Jack R since 2015.
This trader's CIK number is 1277624.
At the time of last reporting, Lazar Jack R was the Director of Astera Labs, Inc.. (stock ticker symbol ALAB).
Also see all insider trading activities at Astera Labs, Inc..
Note that in the past
LAZAR JACK R also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Resideo Technologies, Inc. (REZI) by Lazar Jack R
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2024 | REZI | 0 | $0 | 9,000 | $196,208 | 0 | $0 |
| 2021 | REZI | 0 | $0 | 0 | $0 | 5,578 | $0 |
| 2020 | REZI | 6,666 | $99,990 | 0 | $0 | 5,799 | $0 |
| 2019 | REZI | 25,000 | $256,500 | 0 | $0 | 5,578 | $0 |
| 2018 | REZI | 0 | $0 | 18 | $438 | 0 | $0 |
Yearly summary of insider trading at Astera Labs, Inc. (ALAB) by Lazar Jack R
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2025 | ALAB | 0 | $0 | 27,500 | $4,490,872 | 0 | $0 |
| 2024 | ALAB | 10,000 | $360,000 | 42,500 | $2,683,307 | 0 | $0 |
Yearly summary of insider trading at Casper Sleep Inc. (CSPR) by Lazar Jack R
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2020 | CSPR | 16,666 | $199,992 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Box Inc (BOX) by Lazar Jack R
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2024 | BOX | 0 | $0 | 9,500 | $315,607 | 0 | $0 |
| 2023 | BOX | 0 | $0 | 10,000 | $284,500 | 0 | $0 |
Yearly summary of insider trading at Thredup Inc. (TDUP) by Lazar Jack R
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2024 | TDUP | 10,000 | $9,140 | 0 | $0 | 0 | $0 |
| 2022 | TDUP | 13,156 | $98,775 | 0 | $0 | 0 | $0 |
| 2021 | TDUP | 7,142 | $99,988 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Quantenna Communications Inc (QTNA) by Lazar Jack R
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2016 | QTNA | 15,000 | $240,000 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Tubemogul Inc (TUBE) by Lazar Jack R
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2016 | TUBE | 0 | $0 | 5,000 | $50,000 | 5,000 | $13,799 |
Yearly summary of insider trading at Silicon Laboratories Inc. (SLAB) by Lazar Jack R
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2021 | SLAB | 0 | $0 | 2,853 | $411,105 | 0 | $0 |
| 2020 | SLAB | 0 | $0 | 2,500 | $284,375 | 0 | $0 |
| 2019 | SLAB | 0 | $0 | 750 | $82,312 | 0 | $0 |
| 2018 | SLAB | 0 | $0 | 4,750 | $514,092 | 0 | $0 |
| 2016 | SLAB | 0 | $0 | 8,000 | $463,680 | 0 | $0 |
| 2015 | SLAB | 3,500 | $147,140 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Gopro, Inc. (GPRO) by Lazar Jack R
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2015 | GPRO | 0 | $0 | 175,000 | $10,250,150 | 0 | $0 |
Insider trading activities at 9 companies by Lazar Jack R:
1. Resideo Technologies, Inc. (REZI)
2. Astera Labs, Inc. (ALAB)
3. Casper Sleep Inc. (CSPR)
4. Box Inc (BOX)
5. Thredup Inc. (TDUP)
6. Quantenna Communications Inc (QTNA)
7. Tubemogul Inc (TUBE)
8. Silicon Laboratories Inc. (SLAB)
9. Gopro, Inc. (GPRO)
Table 1. Insider trading of Resideo Technologies, Inc. (REZI) by Lazar Jack R
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2024-05-14 | REZI | Sale | 9,000 | 21.80 | 196,208 |
| 2021-11-16 | REZI | Option Ex | 5,578 | .00 | 0 |
| 2020-11-18 | REZI | Buy | 6,666 | 15.00 | 99,990 |
| 2020-06-12 | REZI | Option Ex | 5,799 | .00 | 0 |
| 2019-11-16 | REZI | Option Ex | 5,578 | .00 | 0 |
| 2019-11-15 | REZI | Buy | 25,000 | 10.26 | 256,500 |
| 2018-11-05 | REZI | Sale | 18 | 24.35 | 438 |
Table 2. Insider trading of Astera Labs, Inc. (ALAB) by Lazar Jack R
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2025-08-27 | ALAB | Sale | 22,500 | 179.23 | 4,032,742 |
| 2025-02-18 | ALAB | Sale | 5,000 | 91.63 | 458,130 |
| 2024-11-15 | ALAB | Sale | 12,500 | 87.03 | 1,087,837 |
| 2024-10-11 | ALAB | Sale | 2,000 | 69.95 | 139,900 |
| 2024-10-09 | ALAB | Sale | 3,000 | 61.69 | 185,070 |
| 2024-09-23 | ALAB | Sale | 25,000 | 50.82 | 1,270,500 |
| 2024-03-22 | ALAB | Buy | 10,000 | 36.00 | 360,000 |
Table 3. Insider trading of Casper Sleep Inc. (CSPR) by Lazar Jack R
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2020-02-10 | CSPR | Buy | 16,666 | 12.00 | 199,992 |
Table 4. Insider trading of Box Inc (BOX) by Lazar Jack R
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2024-11-12 | BOX | Sale | 2,500 | 34.75 | 86,875 |
| 2024-08-29 | BOX | Sale | 7,000 | 32.68 | 228,732 |
| 2023-06-15 | BOX | Sale | 5,000 | 29.95 | 149,750 |
| 2023-04-05 | BOX | Sale | 5,000 | 26.95 | 134,750 |
Table 5. Insider trading of Thredup Inc. (TDUP) by Lazar Jack R
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2024-08-30 | TDUP | Buy | 10,000 | .91 | 9,140 |
| 2022-03-09 | TDUP | Buy | 13,156 | 7.51 | 98,775 |
| 2021-03-30 | TDUP | Buy | 7,142 | 14.00 | 99,988 |
Table 6. Insider trading of Quantenna Communications Inc (QTNA) by Lazar Jack R
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2016-11-02 | QTNA | Buy | 15,000 | 16.00 | 240,000 |
Table 7. Insider trading of Tubemogul Inc (TUBE) by Lazar Jack R
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2016-08-11 | TUBE | Sale | 5,000 | 10.00 | 50,000 |
| 2016-08-11 | TUBE | Option Ex | 5,000 | 2.76 | 13,799 |
Table 8. Insider trading of Silicon Laboratories Inc. (SLAB) by Lazar Jack R
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2021-09-01 | SLAB | Sale | 1,353 | 160.00 | 216,480 |
| 2021-01-04 | SLAB | Sale | 1,500 | 129.75 | 194,625 |
| 2020-11-09 | SLAB | Sale | 1,500 | 119.75 | 179,625 |
| 2020-07-13 | SLAB | Sale | 1,000 | 104.75 | 104,750 |
| 2019-04-25 | SLAB | Sale | 750 | 109.75 | 82,312 |
| 2018-06-11 | SLAB | Sale | 4,750 | 108.23 | 514,092 |
| 2016-10-05 | SLAB | Sale | 4,000 | 60.00 | 240,000 |
| 2016-09-15 | SLAB | Sale | 4,000 | 55.92 | 223,680 |
| 2015-08-21 | SLAB | Buy | 3,500 | 42.04 | 147,140 |
Table 9. Insider trading of Gopro, Inc. (GPRO) by Lazar Jack R
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2015-07-22 | GPRO | Sale | 75,000 | 61.62 | 4,621,650 |
| 2015-06-08 | GPRO | Sale | 25,000 | 60.05 | 1,501,250 |
| 2015-05-28 | GPRO | Sale | 75,000 | 55.03 | 4,127,250 |
Insider trading activities including stock purchases, stock sales, and option exercises
listed in the above table cannot be completely guaranteed as to their accuracy.
For more information regarding the trades made by Lazar Jack R
(Director of Astera Labs, Inc. at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.