Lazar Jack R
- SEC CIK
- 0001277624
In the past year, 5 open-market sale filings worth $5.23M and no purchases.
Current role at each company
- GFS GLOBALFOUNDRIES Inc.Directoras of Jul 31, 2026
- REZI Resideo Technologies, Inc.Directoras of Jul 2, 2026
- BOX Box IncDirectoras of Jun 29, 2026
- ALAB Astera Labs, Inc.Directoras of Jun 8, 2026
- TDUP ThredUp Inc.Directoras of Sep 4, 2024
Show 2 more companies
- CSPR Casper Sleep Inc.Directoras of Jan 26, 2022
- SLAB Silicon Laboratories Inc.Directoras of Sep 3, 2021
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- –
- 0 filings
- Sold
- $5.23M
- 5 filings
- Net
- −$5.23M
- Bought minus sold
- Companies
- 2
- With open-market trades
Trades
Every Form 4 that lists Lazar Jack R as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
ALAB Astera Labs, Inc.
Director11 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Mar 22, 2024 (view filing) | Mar 22 | Same day | Lazar Jack RDirector | PPurchase | +10.0K | $36.00 | +$360.0K | +6.5%165.0K after | |
| Sep 25, 2024 (view filing) | Sep 23 | 2 days | Lazar Jack RDirector | SSale | −25.0K | $50.72 | −$1.27M | −15.2%140.0K after | 3 lots10b5-1 |
| Oct 11, 2024 (view filing) | Oct 9 | 2 days | Lazar Jack RDirector | SSale | −3.00K | $61.69 | −$185.1K | −2.1%137.0K after | 10b5-1 |
| Oct 15, 2024 (view filing) | Oct 11 | 4 days | Lazar Jack RDirector | SSale | −2.00K | $69.95 | −$139.9K | −1.5%135.0K after | 10b5-1 |
| Nov 19, 2024 (view filing) | Nov 15 | 4 days | Lazar Jack RDirector | SSale | −12.5K | $86.43 | −$1.08M | −9.3%122.5K after | 4 lots10b5-1 |
| Feb 20, 2025 (view filing) | Feb 18 | 2 days | Lazar Jack RDirector | SSale | −5.00K | $91.69 | −$458.4K | −4.1%117.5K after | 5 lots10b5-1 |
| Aug 28, 2025 (view filing) | Aug 27 | 1 day | Lazar Jack RDirector | SSale | −22.5K | $178.42 | −$4.01M | −18.8%97.4K after | 5 lots10b5-1 |
| Nov 21, 2025 (view filing) | Nov 20 | 1 day | Lazar Jack RDirector | SSale | −2.50K | $149.55 | −$373.9K | −2.6%94.9K after | 9 lots10b5-1 |
| Mar 9, 2026 (view filing) | Mar 5 | 4 days | Lazar Jack RDirector | SSale | −7.50K | $119.79 | −$898.5K | −7.9%87.4K after | 6 lots10b5-1 |
| Mar 17, 2026 (view filing) | Mar 16 | 1 day | Lazar Jack RDirector | SSale | −2.50K | $130.00 | −$325.0K | −2.9%84.9K after | 10b5-1 |
BOX Box Inc
Director6 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Apr 7, 2023 (view filing) | Apr 5 | 2 days | Lazar Jack RDirector | SSaleClass A Common Stock | −5.00K | $26.95 | −$134.8K | −15.8%26.6K after | |
| Jun 20, 2023 (view filing) | Jun 15 | 5 days | Lazar Jack RDirector | SSale | −5.00K | $29.95 | −$149.8K | −18.8%21.6K after | |
| Aug 30, 2024 (view filing) | Aug 29 | 1 day | Lazar Jack RDirector | SSaleClass A Common Stock | −7.00K | $32.68 | −$228.8K | −19.3%29.2K after | 10b5-1 |
| Nov 14, 2024 (view filing) | Nov 12 | 2 days | Lazar Jack RDirector | SSaleClass A Common Stock | −2.50K | $34.75 | −$86.9K | −8.6%26.7K after | 10b5-1 |
| Sep 30, 2025 (view filing) | Sep 26 | 4 days | Lazar Jack RDirector | SSaleClass A Common Stock | −5.00K | $32.20 | −$161.0K | −15.2%27.9K after | 10b5-1 |
| Dec 5, 2025 (view filing) | Dec 4 | 1 day | Lazar Jack RDirector | SSaleClass A Common Stock | −2.50K | $31.77 | −$79.4K | −9.0%25.4K after | 10b5-1 |
TDUP ThredUp Inc.
Director3 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Apr 6, 2023 (view filing) | Mar 9, 2022 | 393 days | Lazar Jack RDirector | PPurchaseClass A Common Stock | +13.2K | $7.51 | +$98.8K | New position13.2K after | Amended |
| Sep 3, 2024 (view filing) | Aug 30 | 4 days | Lazar Jack RDirector | PPurchaseClass A Common Stock | +10.0K | $0.91 | +$9.10K | +3.7%278.3K after | |
| Sep 4, 2024 (view filing) | Sep 3 | 1 day | Lazar Jack RDirector | PPurchaseClass A Common Stock | +20.0K | $0.94 | +$18.8K | +7.2%298.3K after |
REZI Resideo Technologies, Inc.
Director1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| May 16, 2024 (view filing) | May 14 | 2 days | Lazar Jack RDirector | SSale | −9.00K | $21.80 | −$196.2K | −9.0%91.2K after |
SLAB Silicon Laboratories Inc.
Director1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 3, 2021 (view filing) | Sep 1 | 2 days | Lazar Jack RDirector | SSaleCommon Stock, $0.0001 par value | −1.35K | $160.00 | −$216.5K | −11.4%10.5K after |