InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (8 ops.)
Insider track record
ExecutiveDisclosed buys
0
Disclosed sells
8
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Browse the detailed record of transactions filed by Aranda Richard, Directeur Médical. Officer active across 1 company, notably Gossamer Bio, Inc.. Aggregated, 11 reports have been recorded. Split: 0 buy · 8 sells. Total volume traded: €158k. Activity tracked since 21 June 2021. The latest transaction was disclosed on 2 January 2026 (Attribution). Regulator: SEC (Form 4). All data is free.
Companies and markets linked to Aranda Richard
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations11 total
93,750 shares0Common StockSEC:0001867872-26-000002:0
162,500 shares0Common StockSEC:0001867872-25-000003:0
1,908 shares@ US$0.66050.6% of flowCommon StockSEC:0001728117-24-000078:0
4,018 shares@ US$1.32952.7% of flowCommon StockSEC:0001728117-24-000034:0
1,814 shares@ US$1.291.2% of flowCommon StockSEC:0001728117-23-000086:0
7,563 shares@ US$1.0984.3% of flowCommon StockSEC:0001728117-23-000014:0
4,757 shares@ US$12.07331.7% of flowCommon StockSEC:0001728117-22-000088:0
1,778 shares@ US$6.880.015% mcap10.6% of flowCommon StockSEC:0001728117-22-000051:0
6,278 shares@ US$8.27930.0% of flowCommon StockSEC:0001728117-22-000023:0
2,377 shares@ US$12.2515.9% of flowCommon StockSEC:0001728117-21-000096:0
15,000 shares0Common StockSEC:0001728117-21-000078:0
11 of 11 declarations
About Aranda Richard
Aranda Richard is Directeur Médical and Chief Medical Officer at Gossamer Bio, Inc. He has 11 filings in total, and across the 11 sampled filings from 2021-06-22 to 2026-01-05, the transactions are sales for a total of EUR 158194.
