Sun Kang

Insider

Director

Trades at: AMPX

30D 90D 1Y

Net shares · 90d

-1.6M

0 buy · 1.6M sell

Net value · 90d

-$24.9M

$0 in · $24.9M out

Sentiment · 90d

Net selling

0% buying · 100% selling

Open-market trades · 90d

0 buy · 1.6M sell

Trading track record · all companies

Running net of open-market buys − sells across every company. Tap the line or a marker for details. ▲ buy · ▼ sell.

Transactions · 90d

Open-market Buys Sells All types

AMPX Sell·S
May 27, 26

Director

$6.1K

356 sh · $17.19

Own -0%
AMPX Sell·S
May 21, 26

Director

$1.0M

67.8K sh · $14.79

Own -5%
AMPX Grant·A
May 5, 26

Director

$0

6.2K sh

Own +0%
AMPX Exercise·M
Apr 1, 26

Director

$3.0M

1.5M sh · $2.02 avg · 2 lots

Own +523%
AMPX Sell·S
Apr 1, 26

Director

$23.9M

1.5M sh · $15.91 avg · 2 lots

Own -53%
AMPX Exercise·M
Apr 1, 26

Director

$3.0M

1.5M sh · $2.02 avg · 2 lots

Own +112%

Date▾	Ticker	Role	Type	Shares	Own Δ	Price	Value
May 27, 2026	AMPX	Director	Sell S	356	-0%	$17.19	$6.1K
May 21, 2026	AMPX	Director	Sell S	67.8K	-5%	$14.79	$1.0M
May 5, 2026	AMPX	Director	Grant A	6.2K	+0%	—	$0
Apr 1, 2026	AMPX	Director	Exercise M	1.5M2 lots	+523%	$2.02 avg	$3.0M
Apr 1, 2026	AMPX	Director	Sell S	1.5M2 lots	-53%	$15.91 avg	$23.9M
Apr 1, 2026	AMPX	Director	Exercise M	1.5M2 lots	+112%	$2.02 avg	$3.0M

Buy Sell Non-market (grant · exercise · gift)

About Sun Kang

This profile aggregates every SEC Form 4 insider transaction reported by Sun Kang across all companies they trade. Open-market purchases (code P) and sales (code S) are the highest-signal, discretionary trades; grants (A), option exercises (M) and gifts (G) reflect compensation rather than conviction and carry no market price. Figures cover the selected period and update as new filings are ingested.