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

Question 1

How many SEC Form 4 filings has Stefan Constantin Ionel made?

Accepted Answer

Stefan Constantin Ionel has filed 1 SEC Form 4 filing (10 transaction rows) across 1 company since 2026.

Question 2

Which companies does Stefan Constantin Ionel trade?

Accepted Answer

Stefan Constantin Ionel has filed SEC Form 4 disclosures for 1 company, including AMPX.

Question 3

When was Stefan Constantin Ionel's most recent SEC Form 4 filing?

Accepted Answer

Stefan Constantin Ionel's most recent SEC Form 4 filing on Tracefour is dated Jan 23, 2026.

Question 4

What is Stefan Constantin Ionel's job title?

Accepted Answer

On the most recent SEC Form 4 filings tracked by Tracefour, Stefan Constantin Ionel is listed as Chief Technology Officer.

Question 5

What is Stefan Constantin Ionel's total buy and sell value in the current window?

Accepted Answer

Inside the rolling retention window, Stefan Constantin Ionel bought $0 and sold $6.8M based on SEC Form 4 filings.

							Source
AMPX	Stefan Constantin Ionel	Chief Technology Officer	Sale	73,280	$879K	Jan 23	SEC ↗
AMPX	Stefan Constantin Ionel	Chief Technology Officer	Sale	492,827	$5.9M	Jan 23	SEC ↗
AMPX	Stefan Constantin Ionel	Chief Technology Officer	Sale	1,600	$19K	Jan 23	SEC ↗

Stefan Constantin Ionel

Companies traded