InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (1 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
1
T+90 hit rate
50%
T+90 mean return
-6.8%
Across 4 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Discover the full record of transactions filed by Steinhart Richard I, Director. Director active across 2 companies, notably Atossa Therapeutics, INC.. Aggregated, 20 filings have been logged. Breakdown: 0 buy · 1 sell. Total volume traded: €6k. Activity tracked since 12 May 2026. The latest transaction was disclosed on 20 May 2026 (Cession). Regulator: SEC (Form 4). The full history is accessible without signup.
Declarations20 total
35 sharesCommon StockSEC:0001104659-26-075301:0
17,500 sharesCommon StockSEC:0001104659-26-065838:0
6,845 shares@ US$1.0850.021% mcap100.0% of flowCommon StockSEC:0001104659-26-065838:1
10,000 shares0Common StockSEC:0001193125-26-224521
10,000 shares0Common StockSEC:0001193125-26-224521:0
33 sharesCommon StockSEC:0001104659-25-090517:0
35 sharesCommon StockSEC:0001104659-25-090517:1
4,375 sharesCommon StockSEC:0001104659-25-069701:0
625 sharesCommon StockSEC:0001104659-25-069701:1
31 sharesCommon StockSEC:0001104659-25-024534:0
521 sharesCommon StockSEC:0001104659-24-129461:0
21,250 sharesCommon StockSEC:0001104659-24-106061:0
521 sharesCommon StockSEC:0001104659-24-100749:0
521 sharesCommon StockSEC:0001104659-24-073002:0
521 sharesCommon StockSEC:0001104659-24-044860:0
521 sharesCommon StockSEC:0001104659-23-126921:0
521 sharesCommon StockSEC:0001104659-23-101640:0
521 sharesCommon StockSEC:0001104659-23-072397:0
5,000 sharesCommon StockSEC:0001104659-23-061538:0
2,084 sharesCommon StockSEC:0001104659-23-033408:0
20 of 20 declarations
About Steinhart Richard I
Richard I. Steinhart is a Board Member at Atossa Therapeutics, Inc., a biopharmaceutical company. As a board member, he brings his expertise in strategy and innovation to support the company's mission in developing medical treatments.
