Nonvoting Participating Preferred Stock. The Company’s preferred shares authorized, issued and outstanding consisted of the following:

	June 30,		December 31,
	2019		2018
Series A
Shares authorized, $0.01 par value		20,000,000		20,000,000
Shares issued and outstanding		—		—
Series B
Shares authorized, $0.01 par value		150,000,000		150,000,000
Shares issued and outstanding⁽¹⁾		823,188		823,188
Series C
Shares authorized, $0.01 par value		6,000,000		6,000,000
Shares issued and outstanding⁽¹⁾		—		143,458
Series D
Shares authorized, $0.01 par value		20,000,000		20,000,000
Shares issued and outstanding		—		—

Share Repurchases. During the six months ended June 30, 2019, the Company repurchased 3.8 million common shares under the share repurchase program for approximately $1.6 billion, including a $1.3 billion private transaction that closed on March 25, 2019. At June 30, 2019, there were 6.1 million shares still authorized to be repurchased.

PNC Capital Contribution. On January 31, 2019, PNC surrendered to BlackRock its remaining 143,458 of BlackRock Series C Preferred shares and has completed its share delivery obligation in connection with its share surrender agreement.