Loading
Total declarations
Company
▲ Purchases (2 ops.)
▼ Sales (1 ops.)
Latest filing published 28 May 2025 for Oneok INC /new/, €248k.
Filing timeline
BuySaleMark W. Helderman
Insider track record
Disclosed buys
2
Disclosed sells
1
Signal history
Closed purchases
Market purchases
2
Positive at T+90
50%
Median T+90
+2.5%
Based on 2 purchases whose 90-day window has closed (published at least 91 days ago), the same population our ranking model reads.
Purchases by company
Since each purchase
- +134.6%Entry US$20.67 · Close at T+365 US$48.49
- -44.9%Entry US$73.89 · Close at T+365 US$40.73
Entry is the close on the day after publication, the first price a reader could act on. Prices in the listing currency. Past moves are not a forecast.
Mark W. Helderman: trading record in brief
Mark W. Helderman filed 17 disclosures, all at Oneok INC /new/ where Mark W. Helderman sits as a director, with two purchases and one sale. The purchases, EUR 404,644 on December 17, 2019 and EUR 355,680 on March 18, 2020, come to EUR 760,324. The sale, EUR 1,815,953, is dated March 3, 2022. Purchases make up 67% of the open-market trades filed by count, but the sale exceeds their combined total.
The 14 other filings are share grants. Published from February 20, 2019 to May 28, 2025, they divide as follows: 5 in 2019, 3 in 2020, 2 in 2021, 3 in 2022, 2 in 2023, then one in 2024 and one in 2025. None falls in the past year. The publication delay is a median of 2 days.
Within 30 days of colleagues at Oneok INC /new/, Helderman has 2, 1 and 1 own market trades, in that order. Same direction: 1, 1 and 1. Colleagues in order: Mary M. Spears, Brian L. Derksen and Gary David Parker.
Companies and markets linked to Mark W. Helderman
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations17 total
3,450 shares@ US$81.149.1% of flowCommon Stock, par value $0.01SEC:0001039684-25-000075:0
3,429 shares@ US$81.669.5% of flowCommon Stock, par value $0.01SEC:0001039684-24-000059:0
1,708 shares@ US$58.542.2% of flowCommon Stock, par value $.0.01SEC:0001766621-23-000001:1
2,562 shares@ US$58.545.1% of flowCommon Stock, par value $.0.01SEC:0001766621-23-000001:0
1,535 shares@ US$65.142.2% of flowCommon Stock, par value $.0.01SEC:0001662823-22-000012:1
2,302 shares@ US$65.145.2% of flowCommon Stock, par value $.0.01SEC:0001662823-22-000012:0
30,000 shares@ US$67.26566.9% of flowCommon Stock, par value $.0.01SEC:0001766621-22-000002:0
1,810 shares@ US$52.512.0% of flowCommon Stock, par value $.0.01SEC:0001766621-21-000001:1
2,570 shares@ US$52.514.1% of flowCommon Stock, par value $.0.01SEC:0001766621-21-000001:0
3,697 shares@ US$36.513.3% of flowCommon Stock, par value $.0.01SEC:0001766621-20-000002:0
2,602 shares@ US$36.512.3% of flowCommon Stock, par value $.0.01SEC:0001766621-20-000002:1
30,000 shares@ US$13.069.7% of flowCommon Stock, par value $.0.01SEC:0001043333-20-000014:0
Canonical exit: 16 Jun 2020 (T+90)
6,094 shares@ US$73.9510.3% of flowCommon Stock, par value $.0.01SEC:0001766621-19-000010:0
Canonical exit: 16 Mar 2020 (T+90)
2,017 shares@ US$66.913.1% of flowCommon Stock, par value $.0.01SEC:0001766621-19-000006:0
1,121 shares@ US$66.911.7% of flowCommon Stock, par value $.0.01SEC:0001766621-19-000006:1
274 shares@ US$68.230.4% of flowCommon Stock, par value $.0.01SEC:0001766621-19-000004:0
494 shares@ US$68.230.8% of flowCommon Stock, par value $.0.01SEC:0001766621-19-000004:1
17 of 17 declarations
