InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (1 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
1
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Explore the complete record of transactions filed by Klausner Arthur J, Director. Insider active across 1 company, notably Monopar Therapeutics. Cumulatively, 13 reports have been logged. Breakdown: 0 buy · 1 sell. Total volume traded: €266k. Activity tracked since 16 December 2025. The latest transaction was filed on 18 December 2025 (Cession). Regulator: SEC (Form 4). All data is openly available.
Companies and markets linked to Klausner Arthur J
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations13 total
4,660 shares@ US$67.06100.0% of flowCommon StockSEC:0001437749-25-038426:0
7,710 shares0Common StockSEC:0001437749-25-038138:0
2,533 sharesCommon StockSEC:0001437749-24-000484:0
2,533 sharesCommon StockSEC:0001437749-23-027585:0
2,534 sharesCommon StockSEC:0001437749-23-019260:0
2,533 sharesCommon StockSEC:0001437749-23-009336:0
2,859 sharesCommon StockSEC:0001437749-23-000171:0
2,859 sharesCommon StockSEC:0001654954-22-013279:0
2,859 sharesCommon StockSEC:0001654954-22-009151:0
2,859 sharesCommon StockSEC:0001654954-22-004481:0
751 sharesCommon StockSEC:0001654954-22-000114:0
751 sharesCommon StockSEC:0001654954-21-010716:0
752 sharesCommon StockSEC:0001654954-21-007599:0
13 of 13 declarations
About Klausner Arthur J
Arthur J. Klausner is an Administrateur at Monopar Therapeutics. Across 13 filings, the sampled recent filings run from 2021-07-02 to 2025-12-19, with 0 in buys and 266131 in sells, and the modal transaction nature is option exercise.
