Person

Mark W. Helderman

Director, Oneok

Current S&P 500 boards
1
Current roles
1
Open-market buys
$842K
Open-market sales
$2.0M

Current roles

From Section 16 filings (Forms 3, 4 and 5) in the last 13 months.

Past roles

“Last filing” is the latest Form 3/4/5 for that company, an upper bound on the end date.

None on record since 2016.

Sits alongside

People who currently share a board or management team with this person.

Open-market trades

Purchases and sales reported on Form 4 at S&P 500 companies.

DateCompanyTypeSharesPriceValue
Mar 3, 2022OKESale30,000$67.27$2.0M
Mar 18, 2020OKEBuy30,000$13.06$392K
Dec 17, 2019OKEBuy6,094$73.95$451K

SEC reporting-owner ID (CIK) 1766621 · all filings on EDGAR

Mark W. Helderman (OKE) | USBoard