Shannon Hall

Executive Vice President, Bio-Rad Laboratories.

Companies

MESA LABORATORIES INC /CO/Board member Jun 2, 2020 to now¹
Bio-Rad LaboratoriesExecutive Vice President Oct 7, 2014 to Sep 14, 2017²

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

MESA LABORATORIES INC /CO/ MLAB6,973 shares³$866.7K at $124.29Aug 15, 2026
Bio-Rad Laboratories BIO565 shares⁴$200.0K at $354.24Sep 13, 2017

As of each latest filing. The line shows shares held over time.

Recent filings

Aug 15, 2026Exercised options 2,784 shares of MESA LABORATORIES INC /CO/³
Aug 15, 2025Exercised options 1,404 shares of MESA LABORATORIES INC /CO/⁵
Sep 1, 2024Exercised options 1,074 shares of MESA LABORATORIES INC /CO/⁶
Aug 15, 2023Exercised options 754 shares of MESA LABORATORIES INC /CO/⁷
Dec 8, 2022Sold 230 shares at $174.98 of MESA LABORATORIES INC /CO/⁸
Sep 1, 2022Exercised options 431 shares of MESA LABORATORIES INC /CO/⁹
Sep 13, 2017Sold 1,245 shares at $221.20 of Bio-Rad Laboratories⁴
Sep 12, 2017Shares withheld for tax 91 shares at $218.04 of Bio-Rad Laboratories¹⁰
Sep 12, 2017Exercised options 240 shares of Bio-Rad Laboratories¹⁰
Sep 11, 2017Shares withheld for tax 317 shares at $218.86 of Bio-Rad Laboratories¹¹
Sep 11, 2017Exercised options 840 shares of Bio-Rad Laboratories¹¹
Sep 10, 2017Shares withheld for tax 91 shares at $218.42 of Bio-Rad Laboratories¹¹
Sep 10, 2017Exercised options 240 shares of Bio-Rad Laboratories¹¹
Sep 7, 2017Shares withheld for tax 226 shares at $215.44 of Bio-Rad Laboratories¹²
Sep 7, 2017Exercised options 600 shares of Bio-Rad Laboratories¹²
May 31, 2017Sold 900 shares at $222.65 of Bio-Rad Laboratories¹³
Nov 7, 2016Sold 84 shares at $165.62 of Bio-Rad Laboratories¹⁴
Nov 4, 2016Exercised options 220 shares of Bio-Rad Laboratories¹⁴
Sep 13, 2016Sold 92 shares at $158.08 of Bio-Rad Laboratories¹⁵
Sep 12, 2016Sold 414 shares at $155.02 of Bio-Rad Laboratories¹⁶
Sep 12, 2016Exercised options 240 shares of Bio-Rad Laboratories¹⁵
Sep 11, 2016Exercised options 840 shares of Bio-Rad Laboratories¹⁶
Sep 10, 2016Exercised options 240 shares of Bio-Rad Laboratories¹⁶
Jun 13, 2016Sold 281 shares at $145.31 of Bio-Rad Laboratories¹⁷
Jun 13, 2016Sold 1,291 shares at $145.29 of Bio-Rad Laboratories¹⁷

Sources

The numbers on this page point here. Each one links to the record it came from.

1
SEC EDGARMESA LABORATORIES INC /CO/, Board member
2
SEC EDGARBio-Rad Laboratories, Executive Vice President
3
SEC EDGARMESA LABORATORIES INC /CO/ shares after the filing of Aug 15, 2026
4
SEC EDGARBio-Rad Laboratories shares after the filing of Sep 13, 2017
5
SEC EDGARForm 4 filed Aug 18, 2025
6
SEC EDGARForm 4 filed Sep 6, 2024
7
SEC EDGARForm 4 filed Aug 16, 2023
8
SEC EDGARForm 4 filed Dec 9, 2022
9
SEC EDGARForm 4 filed Sep 2, 2022
10
SEC EDGARForm 4 filed Sep 13, 2017
11
SEC EDGARForm 4 filed Sep 12, 2017
12
SEC EDGARForm 4 filed Sep 11, 2017
13
SEC EDGARForm 4 filed Jun 1, 2017
14
SEC EDGARForm 4 filed Nov 8, 2016
15
SEC EDGARForm 4 filed Sep 14, 2016
16
SEC EDGARForm 4 filed Sep 13, 2016
17
SEC EDGARForm 4 filed Jun 14, 2016