InsidersTradesSigma
Total declarations
Company
▲ Purchases (3 ops.)
▼ Sales (7 ops.)
Insider track record
CEODisclosed buys
3
Disclosed sells
7
T+90 hit rate
0%
T+90 mean return
-21.3%
Across 4 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Explore the full record of transactions filed by Talasaz AmirAli, Chairman & CEO. Director active across 1 company, notably Guardant Health, Inc.. Aggregated, 21 disclosures have been published. Breakdown: 3 buys · 7 sells. Total volume traded: €7.5m. History available since 13 August 2021. The latest transaction was filed on 1 May 2025 (Cession). Regulator: SEC (Form 4). All data is accessible without signup.
Declarations21 total
111,804 sharesCommon StockSEC:0001753159-26-000014:0
64,037 sharesCommon StockSEC:0001753159-26-000014:1
52,935 sharesCommon StockSEC:0001753159-26-000014:2
143,028 sharesCommon StockSEC:0001753159-26-000014:3
25,812 sharesCommon StockSEC:0001753159-26-000014:4
70,513 sharesCommon StockSEC:0001753159-26-000014:5
46,663 sharesCommon StockSEC:0001753159-26-000014:6
40 sharesCommon StockSEC:0001753159-26-000014:7
18,069 shares@ US$47.66598.7% of flowCommon StockSEC:0001576280-25-000141:0
4,814 shares0Common StockSEC:0001576280-25-000106:0
68,769 shares0Common StockSEC:0001576280-25-000086:0
11,462 shares0Common StockSEC:0001576280-25-000006:0
11,461 shares0Common StockSEC:0001576280-24-000230:0
11,462 shares0Common StockSEC:0001576280-24-000162:0
283,830 shares@ US$4.1812.5% of flowCommon StockSEC:0001576280-24-000098:0
11,461 shares0Common StockSEC:0001576280-24-000074:0
12,187 shares@ US$24.77953.2% of flowCOMMON STOCKSEC:0001576280-23-000038:0
Canonical exit: 11 Jun 2023 (T+90)
37,721 shares@ US$97.82250.026% mcap48.7% of flowCOMMON STOCKSEC:0001576280-21-000108:0
Canonical exit: 17 Feb 2022 (T+90)
37,721 shares@ US$97.822536.8% of flowCOMMON STOCKSEC:0001576280-21-000108
Canonical exit: 17 Feb 2022 (T+90)
23,923 shares@ US$4.180.0007% mcap1.3% of flowCOMMON STOCKSEC:0001576280-21-000087:0
23,923 shares@ US$4.181.0% of flowCOMMON STOCKSEC:0001576280-21-000087
21 of 21 declarations
About Talasaz AmirAli
AmirAli Talasaz is the Co-Chief Executive Officer of Guardant Health, Inc., a company specializing in cancer diagnostics. In this role, he oversees the company's operations and drives strategic initiatives. With expertise in the healthcare sector, he is committed to promoting innovation and strengthening the company's market position.
