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
Avantor, Inc. (AVTR)
Sector: Basic Materials; Industry: Specialty Chemicals

Avantor, Inc. provides products and services to customers in the biopharma, healthcare, education and government, advanced technologies, and applied materials industries worldwide. The company offers materials and consumables, such as purity chemicals and reagents, lab products and supplies, formulated silicone materials, customized excipients, customized single-use assemblies, process chromatography resins and columns, analytical sample prep kits, education and microbiology products, and clinical trial kits.


Trade Date Insider Title Buy/Sell #Shares Price Value Option
2021-01-11 Bramwell James EVP, Strategic Partners Sell 2,505 $30.00 $75,150 No
2021-01-11 Brophy Gerard EVP, Biopharma Production Sell 378,580 $30.06 $11,381,196 Yes
2021-01-06 Brophy Gerard EVP, Biopharma Production Sell 11,509 $27.24 $313,505 No
2021-01-04 Brophy Gerard EVP, Biopharma Production Sell 59,418 $27.84 $1,654,197 Yes
2020-12-21 Bramwell James EVP, Strategic Partners Sell 10,020 $27.14 $271,943 No
2020-12-11 Shaw Christi Director Sell 14,286 $26.68 $381,150 No
2020-12-07 Stubblefield Michael President and CEO Sell 510,640 $27.15 $13,864,558 Yes
2020-07-01 Natauri Jo Director Sell 23,919 $17.05 $407,821 Yes
2020-07-01 GOLDMAN SACHS & CO. LLC 10%-Owner Sell 23,919 $17.05 $407,821 Yes
2020-11-10 New Mountain Investments III, LLC 10%-Owner Sell 36,016,093 $24.81 $893,490,837 No
2020-10-05 Ohri Devashish EVP, IMEA Sell 103,440 $23.42 $2,422,343 Yes
2020-09-16 Ohri Devashish EVP, IMEA Sell 35,000 $23.02 $805,700 Yes
2020-09-08 Miller Justin EVP & General Counsel Sell 22,887 $21.17 $484,518 No
2020-08-21-04:00 Natauri Jo Director Sell 15,397,005 $19.51 $300,341,678 No
2020-08-21-04:00 GOLDMAN SACHS & CO. LLC 10%-Owner Sell 15,397,005 $19.51 $300,341,678 No
2020-08-21 New Mountain Investments III, LLC 10%-Owner Sell 25,575,472 $19.51 $498,887,945 No
2020-07-30 Ohri Devashish EVP, IMEA Sell 35,000 $21.37 $747,950 Yes
2020-05-29 Ohri Devashish EVP, IMEA Sell 65,000 $18.84 $1,224,550 Yes
2020-05-26 New Mountain Investments III, LLC 10%-Owner Sell 20,886,424 $15.90 $332,192,308 No
2020-05-26-04:00 Natauri Jo Director Sell 13,726,411 $15.90 $218,249,935 Yes
2020-05-26-04:00 Connolly Thomas Director Sell 13,726,411 $15.90 $218,249,935 Yes
2020-05-26-04:00 GOLDMAN SACHS & CO. LLC 10%-Owner Sell 13,726,411 $15.90 $218,249,935 Yes
2020-05-22 Wondrasch Michael EVP & CIO Sell 22,987 $17.82 $409,628 No
2020-05-20 Brophy Gerard EVP, Biopharma Production Sell 25,495 $17.36 $442,593 No
2020-02-18 Ohri Devashish EVP, IMEA Sell 20,000 $17.54 $350,800 Yes
2019-05-21 New Mountain Investments III, LLC 10%-Owner Sell 100 $14.00 $1,400 No

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