Haiyan Song – Insider Trading Activity | DataHeimdall

Haiyan Song

Director at CSG SYSTEMS INTERNATIONAL INC

CIK: 1005757

14

Total trades

0

Buys

14

Sells

May 14, 2026

Last trade

Date	Stock	Type	Shares	Value	Src
May 14, 2026	CSGSCSG SYSTEMS INTERNATIONAL INC	Sell	22,560	$1.8M
May 14, 2026	CSGSCSG SYSTEMS INTERNATIONAL INC	Sell	34,878	$2.8M
May 14, 2026	CSGSCSG SYSTEMS INTERNATIONAL INC	Sell	28,878	$2.3M
May 14, 2026	CSGSCSG SYSTEMS INTERNATIONAL INC	Sell	49,112	$4.0M
May 14, 2026	CSGSCSG SYSTEMS INTERNATIONAL INC	Sell	16,855	$1.4M
May 14, 2026	CSGSCSG SYSTEMS INTERNATIONAL INC	Sell	18,464	$1.5M
May 14, 2026	CSGSCSG SYSTEMS INTERNATIONAL INC	Sell	575,191	$46.4M
May 14, 2026	CSGSCSG SYSTEMS INTERNATIONAL INC	Sell	14,792	$1.2M
May 14, 2026	CSGSCSG SYSTEMS INTERNATIONAL INC	Sell	129,880	$10.5M
May 14, 2026	CSGSCSG SYSTEMS INTERNATIONAL INC	Sell	22,560	$1.8M
May 14, 2026	CSGSCSG SYSTEMS INTERNATIONAL INC	Sell	7,808	$630K
May 14, 2026	CSGSCSG SYSTEMS INTERNATIONAL INC	Sell	53,196	$4.3M
Dec 31, 2024	CSGSCSG SYSTEMS INTERNATIONAL INC	Sell	42,135	–
Dec 30, 2020	CSGSCSG SYSTEMS INTERNATIONAL INC	Sell	87,688	$3.9M