rotation.to
Following this device: dark.
Free account
rotation.to
Sign in / Request free access
Appearance
Following this device: dark.
Drag a card by its title · ⚙ to size, swap or remove

Who

John E. Harper

Director

Company insider

Files Form 4 as: Director, NLI Holdings; Director, Kronos Worldwide; Director, Rackspace Hosting; Vice President and CFO, Perot Systems.

Every Form 4 they filed

In numbers

Trades disclosed
57
Buys
0
Sells
1
Bought
$0
Sold
$72K
Companies
4
Companies where not an officer
3
First trade
19 Nov 2007
Last trade
14 May 2026
Last filed
15 May 2026

Companies traded

Where they are an officer
Perot SystemsOfficer · last 3 Nov 20090 buys · 1 sell
Everywhere else they filed: board seats, 10% stakes, other companies
NL NLI HoldingsDirector · Chemicals · last 14 May 20260 buys · 0 sells
KRO Kronos WorldwideDirector · Chemicals · last 13 May 20260 buys · 0 sells
Rackspace HostingDirector · last 3 Nov 20160 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
14 May 2026filed 15 May 2026NL NLI HoldingsChemicalsSEC FORM 4 Code A$40K6,000 at $6.67filing
14 May 2026filed 15 May 2026NL NLI HoldingsChemicalsSEC FORM 4 Code A$40K6,000 at $6.67filing
13 May 2026filed 14 May 2026KRO Kronos WorldwideChemicalsSEC FORM 4 Code A$40K5,550 at $7.22filing
13 May 2026filed 14 May 2026KRO Kronos WorldwideChemicalsSEC FORM 4 Code A$40K5,550 at $7.22filing
15 May 2025filed 16 May 2025NL NLI HoldingsChemicalsSEC FORM 4 Code A$20K2,500 at $8.04filing
14 May 2025filed 15 May 2025KRO Kronos WorldwideChemicalsSEC FORM 4 Code A$20K2,800 at $7.17filing
16 May 2024filed 17 May 2024NL NLI HoldingsChemicalsSEC FORM 4 Code A—2,850filing
15 May 2024filed 16 May 2024KRO Kronos WorldwideChemicalsSEC FORM 4 Code A—1,550filing
18 May 2023filed 19 May 2023NL NLI HoldingsChemicalsSEC FORM 4 Code A—3,550filing
17 May 2023filed 18 May 2023KRO Kronos WorldwideChemicalsSEC FORM 4 Code A—2,450filing
19 May 2022filed 20 May 2022NL NLI HoldingsChemicalsSEC FORM 4 Code A—2,500filing
18 May 2022filed 19 May 2022KRO Kronos WorldwideChemicalsSEC FORM 4 Code A—1,200filing
20 May 2021filed 21 May 2021NL NLI HoldingsChemicalsSEC FORM 4 Code A—2,750filing
19 May 2021filed 20 May 2021KRO Kronos WorldwideChemicalsSEC FORM 4 Code A—1,200filing
21 May 2020filed 22 May 2020NL NLI HoldingsChemicalsSEC FORM 4 Code A—6,650filing
20 May 2020filed 22 May 2020KRO Kronos WorldwideChemicalsSEC FORM 4 Code A—2,250filing
20 May 2020filed 20 May 2020KRO Kronos WorldwideChemicalsSEC FORM 4 Code A—2,200filing
16 May 2019filed 16 May 2019NL NLI HoldingsChemicalsSEC FORM 4 Code A—5,650filing
15 May 2019filed 15 May 2019KRO Kronos WorldwideChemicalsSEC FORM 4 Code A—1,500filing
17 May 2018filed 17 May 2018NL NLI HoldingsChemicalsSEC FORM 4 Code A—2,100filing

News

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

Sectors

Not placed1

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

Related people

Nobody else traded the same names lately.