Lazar Jack R (CIK 0001277624)

Latest company ownership

TDUP - ThredUp Inc.
Role: Director
Shares held
298,258
Last filed at
Sep 4, 2024
Confidence Score
50.0
2025Q4
Confidence Score History
2021Q1 2025Q4
Shares held
114,881
Last filed at
Oct 3, 2025
Confidence Score
50.0
2025Q4
Confidence Score History
2018Q4 2025Q4
ALAB - Astera Labs, Inc.
Role: Director
Shares held
94,851
Last filed at
Nov 21, 2025
Confidence Score
37.3
2025Q4
Confidence Score History
2024Q1 2025Q4
GPRO - GoPro, Inc.
Role: CFO
Shares held
34,921
Last filed at
Jan 26, 2016
Confidence Score
50.0
2025Q4
Confidence Score History
2014Q4 2025Q4
BOX - BOX INC
Role: Director
Shares held
27,855
Last filed at
Dec 5, 2025
Confidence Score
29.5
2025Q4
Confidence Score History
2023Q2 2025Q4
Shares held
10,466
Last filed at
Sep 3, 2021
Confidence Score
50.0
2025Q4
Confidence Score History
2013Q3 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Dec 4, 2025 Dec 5, 2025 BOX INC Director Sell 28.8 -2,500 -8.98% ✓ $79.4K
Nov 20, 2025 Nov 21, 2025 Astera Labs, Inc. Director Sell 38.8 -2,500 -2.57% ✓ $373.9K
Sep 26, 2025 Sep 30, 2025 BOX INC Director Sell 20.0 -5,000 -15.22% ✓ $161K
Aug 27, 2025 Aug 28, 2025 Astera Labs, Inc. Director Sell 15.0 -22,500 -18.77% ✓ $4M
Feb 18, 2025 Feb 20, 2025 Astera Labs, Inc. Director Sell 35.0 -5,000 -4.08% ✓ $458.5K
Nov 15, 2024 Nov 19, 2024 Astera Labs, Inc. Director Sell 23.8 -12,500 -9.26% ✓ $1.1M
Nov 12, 2024 Nov 14, 2024 BOX INC Director Sell 28.8 -2,500 -8.56% ✓ $86.9K
Oct 11, 2024 Oct 15, 2024 Astera Labs, Inc. Director Sell 45.0 -2,000 -1.46% ✓ $139.9K
Oct 9, 2024 Oct 11, 2024 Astera Labs, Inc. Director Sell 41.3 -3,000 -2.14% ✓ $185.1K
Sep 23, 2024 Sep 25, 2024 Astera Labs, Inc. Director Sell 15.0 -25,000 -15.15% ✓ $1.3M
Sep 3, 2024 Sep 4, 2024 ThredUp Inc. Director Buy 86.3 +20,000 7.19% ✗ $18.8K
Aug 30, 2024 Sep 3, 2024 ThredUp Inc. Director Buy 82.5 +10,000 3.73% ✗ $9.1K
Aug 29, 2024 Aug 30, 2024 BOX INC Director Sell 20.0 -7,000 -19.34% ✓ $228.7K
May 14, 2024 May 16, 2024 RESIDEO TECHNOLOGIES, INC. Director Sell 22.5 -9,000 -8.98% ✗ $196.2K
Mar 22, 2024 Mar 22, 2024 Astera Labs, Inc. Director Buy 92.5 +10,000 6.45% ✗ $360K
Jun 15, 2023 Jun 20, 2023 BOX INC Director Sell 20.0 -5,000 -18.83% ✓ $149.8K
Apr 5, 2023 Apr 7, 2023 BOX INC Director Sell 20.0 -5,000 -15.85% ✓ $134.8K
Mar 9, 2022 Apr 6, 2023 ThredUp Inc. Director Buy 95.0 +13,156 14.40% ✗ $98.8K
Mar 9, 2022 Mar 11, 2022 ThredUp Inc. Director Buy 95.0 +13,156 29.70% ✗ $98.8K
Sep 1, 2021 Sep 3, 2021 SILICON LABORATORIES INC. Director Sell 22.5 -1,353 -11.45% ✗ $216.5K
Mar 30, 2021 Apr 1, 2021 ThredUp Inc. Director Buy 95.0 +7,142 66.66% ✗ $100K
Jan 4, 2021 Jan 5, 2021 SILICON LABORATORIES INC. Director Sell 25.0 -1,500 -12.42% ✓ $194.6K
Nov 18, 2020 Nov 19, 2020 RESIDEO TECHNOLOGIES, INC. Director Buy 95.0 +6,666 18.32% ✗ $100K
Nov 9, 2020 Nov 10, 2020 SILICON LABORATORIES INC. Director Sell 25.0 -1,500 -11.05% ✓ $179.6K
Nov 5, 2020 Nov 9, 2020 SILICON LABORATORIES INC. Director Sell 25.0 -2,000 -12.84% ✓ $219.5K
Nov 5, 2020 Nov 9, 2020 SILICON LABORATORIES INC. Director Sell 25.0 -2,000 -12.84% ✓ $219.5K
Jul 13, 2020 Jul 15, 2020 SILICON LABORATORIES INC. Director Sell 32.5 -1,000 -6.03% ✓ $104.8K
Nov 15, 2019 Nov 18, 2019 RESIDEO TECHNOLOGIES, INC. Director Buy 97.5 +25,000 277777.78% ✗ $256.5K
Apr 25, 2019 Apr 25, 2019 SILICON LABORATORIES INC. Director Sell 37.5 -750 -4.95% ✓ $82.3K
Nov 5, 2018 Nov 7, 2018 RESIDEO TECHNOLOGIES, INC. Director Sell 27.5 -18 -66.67% ✗ $438.3
Jun 11, 2018 Jun 11, 2018 SILICON LABORATORIES INC. Director Sell 7.5 -4,750 -26.61% ✓ $514.1K
Oct 5, 2016 Oct 7, 2016 SILICON LABORATORIES INC. Director Sell 15.0 -4,000 -23.09% ✓ $240K
Sep 15, 2016 Sep 16, 2016 SILICON LABORATORIES INC. Director Sell 20.0 -4,000 -18.76% ✓ $223.7K
Aug 21, 2015 Aug 24, 2015 SILICON LABORATORIES INC. Director Buy 95.0 +3,500 24.16% ✗ $147.1K
Jul 22, 2015 Jul 24, 2015 GoPro, Inc. CFO Sell 5.0 -75,000 -79.38% ✓ $4.6M
Jun 8, 2015 Jun 9, 2015 GoPro, Inc. CFO Sell 5.0 -25,000 -56.21% ✓ $1.5M
May 28, 2015 Jun 1, 2015 GoPro, Inc. CFO Sell 5.0 -75,000 -79.38% ✓ $4.1M
Nov 25, 2014 Nov 26, 2014 GoPro, Inc. CFO Sell 17.5 -18,000 -100.00% ✗ $1.3M
Aug 2, 2013 Aug 6, 2013 SILICON LABORATORIES INC. Director Buy 95.0 +5,000 141.00% ✗ $201.2K