The Fourth Battalion Arkansas Infantry was organized at Little Rock on November 10, 1861, initially with five companies raised in central Arkansas.  Capt. Frederick William Hoadley’s Co. D, of Pulaski County, was detached from the battalion and assigned to the 1st Tennessee Heavy Artillery.  The remainder of the battalion served as infantry throughout the war in the Confederate Army of Tennessee, as part of the highly-respected McNair’s Brigade of Arkansas troops.  The battalion fought in all the major engagements of the Army of Tennessee, including Richmond, Kentucky; Murfreesboro, Tennessee; Jackson, Mississippi;  Chickamauga, Georgia; Chattanooga, Tennessee; and the Atlanta Campaign. In 1863, the remnants of the Battalion were consolidated with the 4th Arkansas Infantry Regiment, where they fought on through the Tennessee and Carolinas campaigns.  They surrendered with Johnston at Greensboro, North Carolina, on April 26, 1865.

Field and Staff.
Co. A—Pulaski County
Co. B—Prairie County
Co. C—Clark County
Co. D—Pulaski County (detached to 1st Tennessee Heavy Artillery)
Co. E—White County

Here is a list of their battles:

Island #10 (Apr6-7, 1862)
Corinth MS Campaign Apr-Jun 1862
Richmond, KY Aug 19-30 1862)
Murfreesboro, TN (Stones River) 31 Dec 1862-3 Jan 1863.
Jackson, MS Siege Jul 1863
Chickamauga 19-2 Sep 1863
Chattanooga Siege Sep-Nov 1863
Atlanta Campaign  May-Sep 1864
Dug Gap 8 May 1864
Resaca 14-15 May 1864
New Hope Church May 25-Jun 4, 1864
Kennesaw Mountain 27 Jun 1864
Peach Tree Creek 20 Jul 1864
Atlanta, 22 Jul 1864
Ezra Church 28 Jul 1864
Atlanta Siege Jul-Sep 1864
Jonesboro 31 Aug-1 Sep 1864
Lovejoy's Station 2-5 Sep 1864
Franklin 30 Nov 1864
Nashville 15-16 Dec 1864
Sugar Creek 26 Dec 1864
Carolinas Campaign Feb-Apr 1865
Bentonville 19-21 Mar 1865.

Thanks to the "Compendium of Confederate Armies Florida and Arkansas"
by Stewart Sifakis