CHANG DAVID C

Insider

Director

Trades at: AXTI

30D 90D 1Y

Net shares · 365d

-243.3K

0 buy · 243.3K sell

Net value · 365d

-$5.2M

$0 in · $5.2M out

Sentiment · 365d

Net selling

0% buying · 100% selling

Open-market trades · 365d

0 buy · 243.3K 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 · 365d

Open-market Buys Sells All types

AXTI Sell·S
Jun 15, 26

Director

$926.4K

8.3K sh · $111.17

Own -11%
AXTI Sell·S
Mar 10, 26

Director

$920.0K

20.0K sh · $46.00

Own -22%
AXTI Sell·S
Mar 5, 26

Director

$1.5M

40.0K sh · $38.48 avg · 2 lots

Own -30%
AXTI Sell·S
Dec 9, 25

Director

$371.0K

25.0K sh · $14.84

Own -16%
AXTI Sell·S
Dec 2, 25

Director

$576.2K

50.0K sh · $11.53 avg · 2 lots

Own -24%
AXTI Sell·S
Nov 5, 25

Director

$894.0K

100.0K sh · $8.94

Own -32%

Date▾	Ticker	Role	Type	Shares	Own Δ	Price	Value
Jun 15, 2026	AXTI	Director	Sell S	8.3K	-11%	$111.17	$926.4K
Mar 10, 2026	AXTI	Director	Sell S	20.0K	-22%	$46.00	$920.0K
Mar 5, 2026	AXTI	Director	Sell S	40.0K2 lots	-30%	$38.48 avg	$1.5M
Dec 9, 2025	AXTI	Director	Sell S	25.0K	-16%	$14.84	$371.0K
Dec 2, 2025	AXTI	Director	Sell S	50.0K2 lots	-24%	$11.53 avg	$576.2K
Nov 5, 2025	AXTI	Director	Sell S	100.0K	-32%	$8.94	$894.0K

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

About CHANG DAVID C

This profile aggregates every SEC Form 4 insider transaction reported by CHANG DAVID C 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.