Name: KOSTER CHRISTOPHER: Insider Trading History
Creator: Tracefour
License: https://www.usa.gov/government-works
Keywords: KOSTER CHRISTOPHER, insider trading, SEC Form 4

Question 1

How many SEC Form 4 filings has KOSTER CHRISTOPHER made?

Accepted Answer

KOSTER CHRISTOPHER has filed 5 SEC Form 4 filings (5 transaction rows) across 1 company since 2026.

Question 2

Which companies does KOSTER CHRISTOPHER trade?

Accepted Answer

KOSTER CHRISTOPHER has filed SEC Form 4 disclosures for 1 company, including CNC.

Question 3

When was KOSTER CHRISTOPHER's most recent SEC Form 4 filing?

Accepted Answer

KOSTER CHRISTOPHER's most recent SEC Form 4 filing on Tracefour is dated Aug 27, 2026.

Question 4

What is KOSTER CHRISTOPHER's job title?

Accepted Answer

On the most recent SEC Form 4 filings tracked by Tracefour, KOSTER CHRISTOPHER is listed as Secretary & General Counsel.

Question 5

What is KOSTER CHRISTOPHER's total buy and sell value in the current window?

Accepted Answer

Inside the rolling retention window, KOSTER CHRISTOPHER bought $0 and sold $6.9M based on SEC Form 4 filings.

							Source
CNC	KOSTER CHRISTOPHER	Secretary & General Counsel	Sale	56,500	$3.8M	Aug 27	SEC ↗
CNC	KOSTER CHRISTOPHER	Secretary & General Counsel	Sale	47,603	$3.1M	Aug 19	SEC ↗

KOSTER CHRISTOPHER

Companies traded