InsidersTradesSigma
Total declarations
Companies
▲ Purchases (4 ops.)
▼ Sales (35 ops.)
Insider track record
ExecutiveDisclosed buys
4
Disclosed sells
35
T+90 hit rate
0%
T+90 mean return
-18.4%
Across 1 buy signal with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Browse the detailed record of transactions filed by Lazar Jack R, Director. Insider active across 7 companies, notably Astera Labs, Inc.. Cumulatively, 84 filings have been logged. Breakdown: 4 buys · 35 sells. Total volume traded: €6.4m. History available since 10 June 2021. The latest transaction was disclosed on 28 July 2026 (Attribution). Regulator: SEC (Form 4). All data is openly available.
Companies and markets linked to Lazar Jack R
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations84 total
3,291 shares0Restricted Share UnitsSEC:0001709048-26-000188:0
8,372 sharesClass A Common StockSEC:0001193125-26-288912:0
837 shares0Common StockSEC:0001277624-26-000015:0
566 shares@ US$356.94420.0003% mcap3.5% of flowCommon StockSEC:0001277624-26-000015:6
946 shares@ US$355.12730.0004% mcap5.8% of flowCommon StockSEC:0001277624-26-000015:7
883 shares@ US$358.1360.0004% mcap5.5% of flowCommon StockSEC:0001277624-26-000015:5
879 shares@ US$362.84050.0004% mcap5.5% of flowCommon StockSEC:0001277624-26-000015:1
854 shares@ US$361.10610.0004% mcap5.3% of flowCommon StockSEC:0001277624-26-000015:2
1,116 shares@ US$360.08790.0005% mcap6.9% of flowCommon StockSEC:0001277624-26-000015:3
877 shares@ US$359.32670.0004% mcap5.4% of flowCommon StockSEC:0001277624-26-000015:4
373 shares@ US$354.38390.0002% mcap2.3% of flowCommon StockSEC:0001277624-26-000015:8
1,101 shares@ US$352.96650.0005% mcap6.7% of flowCommon StockSEC:0001277624-26-000015:9
318 shares@ US$351.71870.0001% mcap1.9% of flowCommon StockSEC:0001277624-26-000015:10
17 shares@ US$351.130.0000% mcap0.1% of flowCommon StockSEC:0001277624-26-000015:11
423 shares@ US$349.95570.0002% mcap2.6% of flowCommon StockSEC:0001277624-26-000015:12
193 shares@ US$347.83890.0001% mcap1.2% of flowCommon StockSEC:0001277624-26-000015:13
238 shares@ US$346.27170.0001% mcap1.4% of flowCommon StockSEC:0001277624-26-000015:14
246 shares@ US$345.23660.0001% mcap1.5% of flowCommon StockSEC:0001277624-26-000015:15
243 shares@ US$344.02940.0001% mcap1.4% of flowCommon StockSEC:0001277624-26-000015:16
527 shares@ US$342.54530.0002% mcap3.1% of flowCommon StockSEC:0001277624-26-000015:17
200 shares@ US$339.560.0001% mcap1.2% of flowCommon StockSEC:0001277624-26-000015:18
928 shares@ US$34.335.0% of flowCommon StockSEC:0001277624-26-000010:0
2,500 shares@ US$130.000.0010% mcap50.0% of flowCommon StockSEC:0001277624-26-000008:0
1,601 shares@ US$118.14733.2% of flowCommon StockSEC:0001277624-26-000006:0
901 shares@ US$35.364.3% of flowCommon StockSEC:0001277624-26-000002:0
25 of 84 declarations
About Lazar Jack R
LAZAR JACK R is Director of Astera Labs, Inc., Resideo Technologies, INC., ThredUp Inc., BOX INC, Casper Sleep Inc., and Silicon Laboratories INC. The declarant has 83 filings in total, and across the sampled filings from 2021-06-14 to 2026-06-29, the observed amounts are EUR 447358 in buys and EUR 6217936 in sells, with transaction nature listed as Attribution.
