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Who

Lois M. Martin

Director

Company insider

Files Form 4 as: Director and 10% owner, Donnelley Financial Solutions; Director, A.O. Smith; Director, Raven Industries; Director, Adc Telecommunications; Sr VP & CFO, Capella Education Co; Director, Mts Systems.

In numbers

Trades disclosed
99
Buys
2
Sells
14
Bought
$59K
Sold
$9.5M
Companies
6
Companies where not an officer
5
First trade
8 Mar 2006
Last trade
13 May 2026
Last filed
15 May 2026

Companies traded

Where they are an officer
Capella Education CoOfficer · last 1 Mar 20100 buys · 14 sells
Everywhere else they filed: board seats, 10% stakes, other companies
DFIN Donnelley Financial SolutionsDirector, 10% owner · Business Services · last 13 May 20261 buy · 0 sells
AOS A.O. SmithDirector · Electrical Equipment & Grid · last 13 Apr 20260 buys · 0 sells
Raven IndustriesDirector · last 30 Nov 20210 buys · 0 sells
Adc TelecommunicationsDirector · last 8 Dec 20101 buy · 0 sells
Mts SystemsDirector · last 4 Feb 20090 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
101Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
13 May 2026filed 15 May 2026DFIN Donnelley Financial SolutionsBusiness ServicesSEC FORM 4 Code A—4,265filing
13 May 2026filed 15 May 2026DFIN Donnelley Financial SolutionsBusiness ServicesSEC FORM 4 Code A—4,265filing
13 Apr 2026filed 15 Apr 2026AOS A.O. SmithElectrical Equipment & GridSEC FORM 4 Code A$150K2,262 at $66.32filing
13 Apr 2026filed 15 Apr 2026AOS A.O. SmithElectrical Equipment & GridSEC FORM 4 Code A$150K2,262 at $66.32filing
14 May 2025filed 16 May 2025DFIN Donnelley Financial SolutionsBusiness ServicesSEC FORM 4 Code A—4,251filing
8 Apr 2025filed 9 Apr 2025AOS A.O. SmithElectrical Equipment & GridSEC FORM 4 Code A$150K2,468 at $60.78filing
15 May 2024filed 17 May 2024DFIN Donnelley Financial SolutionsBusiness ServicesSEC FORM 4 Code A—2,790filing
9 Apr 2024filed 10 Apr 2024AOS A.O. SmithElectrical Equipment & GridSEC FORM 4 Code A$140K1,626 at $86.14filing
17 May 2023filed 19 May 2023DFIN Donnelley Financial SolutionsBusiness ServicesSEC FORM 4 Code A—4,036filing
18 May 2022filed 19 May 2022DFIN Donnelley Financial SolutionsBusiness ServicesSEC FORM 4 Code A—6,178filing
30 Nov 2021filed 1 Dec 2021Raven Industriesoption or derivativeSEC FORM 4 Code D—9,962filing
25 May 2021filed 26 May 2021Raven Industriesoption or derivativeSEC FORM 4 Code A$85K1,945 at $43.70filing
13 May 2021filed 17 May 2021DFIN Donnelley Financial SolutionsBusiness ServicesSEC FORM 4 Code A—5,890filing
20 May 2020filed 21 May 2020Raven Industriesoption or derivativeSEC FORM 4 Code A$85K3,961 at $21.46filing
18 May 2020filed 20 May 2020DFIN Donnelley Financial SolutionsBusiness ServicesSEC FORM 4 Code A—20,690filing
5 Mar 2020filed 5 Mar 2020DFIN Donnelley Financial SolutionsBusiness ServicesSEC FORM 4 Bought$41K5,000 at $8.26filing
30 May 2019filed 3 Jun 2019DFIN Donnelley Financial SolutionsBusiness ServicesSEC FORM 4 Code A—9,508filing
21 May 2019filed 23 May 2019Raven Industriesoption or derivativeSEC FORM 4 Code A$85K2,441 at $34.82filing
11 Jul 2018filed 12 Jul 2018Raven Industriesoption or derivativeSEC FORM 4 Code A$58K1,479.66 at $39.45filing
24 May 2018filed 29 May 2018DFIN Donnelley Financial SolutionsBusiness ServicesSEC FORM 4 Code A—7,421filing

News

No headline names them, or the companies they trade most, lately.

Sectors

Industrials1
Not placed15

Buys in green, sells in red, by the company’s sector.

Related people

Robert Kirk WilliamsChief People & Intl Officer · Also traded DFIN in the last 90 days
Joseph Leo BinzDirector · Also traded DFIN in the last 90 days
Daniel LeibChief Executive Officer · Also traded DFIN in the last 90 days