Activist investor Barington Capital Group is pushing Victoria's Secret to alter its board and end a recently adopted "poison pill" plan, according to a letter to the lingerie maker's shareholders on Monday.

Barington Capital urged Victoria's Secret to replace its board with directors experienced in brand revitalization, criticizing CEO Hillary Super's leadership strategy.

Victoria’s Secret & Co. is being targeted by another activist investor seeking a shake-up of its business. Barington Capital Group has built a stake of more than 1% in the lingerie retailer and is urging it to make changes to its board and strategy,