InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (16 ops.)
Insider track record
OtherDisclosed buys
0
Disclosed sells
16
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Discover the full record of transactions filed by Murugan Amar. Insider active across 3 companies, notably Atara Biotherapeutics, Inc.. Aggregated, 21 filings have been published. Split: 0 buy · 16 sells. Total volume traded: €236k. History available since 18 May 2021. The latest transaction was filed on 17 March 2025 (Cession). Regulator: SEC (Form 4). All data is free.
Companies and markets linked to Murugan Amar
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations21 total
121,587 sharesCommon StockSEC:0001962918-25-000064:0
3,913 shares@ US$2.744100.0% of flowCommon StockSEC:0001962918-25-000029:0
125,000 shares0Common StockSEC:0001962918-25-000005:0
877 shares@ US$6.6291.8% of flowCommon StockSEC:0000905148-24-002304:0
192 shares@ US$6.630.4% of flowCommon StockSEC:0000905148-24-002304:1
89 shares@ US$6.6310.2% of flowCommon StockSEC:0000905148-24-002304:2
32,401 shares@ US$0.6176.3% of flowCommon StockSEC:0000905148-24-001559:0
10,044 shares@ US$0.722.3% of flowCommon StockSEC:0000905148-24-000909:0
475,000 shares0Common StockSEC:0000905148-24-000113:0
8,307 shares@ US$0.3891.0% of flowCommon StockSEC:0000905148-23-001511:0
5,050 shares@ US$1.6522.6% of flowCommon StockSEC:0001140361-23-040563:0
7,404 shares@ US$2.0374.7% of flowCommon StockSEC:0001140361-23-025560:0
4,221 shares@ US$3.6274.9% of flowCommon StockSEC:0001567619-23-004539:0
155,375 shares0Common StockSEC:0001140361-23-010097:0
3,612 shares@ US$4.495.3% of flowCommon StockSEC:0001140361-22-042379:0
1,196 shares@ US$5.0342.0% of flowCommon StockSEC:0001140361-22-030299:0
2,317 shares@ US$5.3160.014% mcap5.8% of flowCommon StockSEC:0001140361-22-019990:0
51,814 shares0Common StockSEC:0001140361-22-007763:0
2,124 shares@ US$17.116914.1% of flowCommon StockSEC:0001567619-21-020779:0
2,080 shares@ US$12.5329.8% of flowCommon StockSEC:0001567619-21-016149:0
5,681 shares@ US$14.5529.9% of flowCommon StockSEC:0001209191-21-034426:0
21 of 21 declarations
About Murugan Amar
Murugan Amar is a declarant linked to Atara Biotherapeutics, Inc., where he is EVP, Chief Legal Officer, and to ACELYRIN, Inc., where he is Chief Legal Officer. He has 21 filings in total, and across the 21 sampled filings between 2021-05-20 and 2025-05-23, the transactions are entirely sales for a total of EUR 235928.
