Ally Financial Inc. is offering an undisclosed amount of two series of senior debt.

The company is offering 3.900% series A senior unsecured notes due Aug. 15, 2021, and 4.200% series A senior unsecured notes due Aug. 15, 2023. The company will issue the notes in minimum denominations of $1,000 and increments of $1,000.

The offering dates are Aug. 13 through Aug. 20. The trade date is Aug. 20, and the settle date is Aug. 23.

Incapital LLC, Citigroup, RBC Capital Markets, Morgan Stanley and J.P. Morgan are agents for the offering.