Why insider trading matters?

Numerous studies have examined whether there is evidence that U.S. insiders systematically trade on private information despite the legal deterrence. The consensus appears to be that insider purchases (but not sales) tend to be followed by positive abnormal stock price performance, particularly for small growth stocks.

- Prof. B. Espen Eckbo, Dartmouth College
Iterum Therapeutics plc (ITRM)
Sector: Healthcare; Industry: Biotechnology

Iterum Therapeutics plc, a clinical-stage pharmaceutical company, engages in developing anti-infectives for multi-drug resistant pathogens in Ireland and the United States.


Trade Date Insider Title Buy/Sell #Shares Price Value Option
2022-09-20 Ahrens Brenton Karl Director Sell 37,246 $1.82 $67,930 No
2022-09-15 Ahrens Brenton Karl Director Sell 45,000 $2.09 $93,846 No
2022-09-12 Ahrens Brenton Karl Director Sell 33,298 $2.31 $76,803 No
2022-09-07 Dunne Michael W. Director Buy 10,000 $2.22 $22,200 No
2022-03-14 Matthews Judith M. Chief Financial Officer Sell 63,340 $0.31 $19,635 No
2021-02-12 DENNER ALEXANDER J 10%-Owner Sell 20,619,949 $2.43 $50,007,284 Yes
2021-01-26 Fishman Corey N. President & CEO Sell 85,445 $1.73 $147,820 No
2021-01-26 Dunne Michael W. Director Sell 33,143 $1.73 $57,337 No
2021-01-26 Matthews Judith M. Chief Financial Officer Sell 33,868 $1.73 $58,592 No
2020-09-30 Matthews Judith M. Chief Financial Officer Sell 56,130 $1.64 $92,053 No
2020-06-02 Sofinnova Venture Partners IX, L.P. 10%-Owner Sell 500,000 $1.62 $812,080 No
2018-11-30 Kelly David George Director Buy 10,000 $6.29 $62,887 No
2018-10-30 Chin Mark Director Buy 58,000 $6.10 $353,800 No
2018-09-04 Dunne Michael W. Chief Scientific Officer Buy 500 $10.00 $5,000 No
2018-08-27 Dunne Michael W. Chief Scientific Officer Buy 1,000 $10.00 $10,000 No
2018-08-23 Edick Paul R Director Buy 500 $10.44 $5,219 No
2018-08-17 Fishman Corey N. President & CEO Buy 2,000 $8.73 $17,466 No
2018-05-30 Chin Mark Director Buy 337,606 $13.00 $4,388,878 Yes
2018-05-30 Lathi Vijay K 10%-Owner Buy 662,677 $13.00 $8,614,801 Yes
2018-05-30 HUNT RONALD 10%-Owner, Director Buy 662,677 $13.00 $8,614,801 Yes
2018-05-30 Sofinnova Venture Partners IX, L.P. 10%-Owner Buy 500,000 $13.00 $6,500,000 Yes
2018-05-30 HEALY JAMES 10%-Owner, Director Buy 500,000 $13.00 $6,500,000 Yes
2018-05-30 Malik Shahzad Director Buy 236,984 $13.00 $3,080,792 Yes
2018-05-30 Ahrens Brenton Karl Director Buy 506,656 $13.00 $6,586,528 Yes
2018-05-30 CANAAN X L.P. 10%-Owner, Director Buy 506,656 $13.00 $6,586,528 Yes
2018-05-30 Heron Patrick J 10%-Owner, Director Buy 456,099 $13.00 $5,929,287 Yes
2018-05-30 Matthews Judith M. Chief Financial Officer Buy 4,000 $13.00 $52,000 Yes
2018-05-30 Dunne Michael W. Chief Scientific Officer Buy 2,000 $13.00 $26,000 Yes
2018-05-30 Fishman Corey N. President & CEO Buy 3,000 $13.00 $39,000 Yes

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