How to print '-4', not '11111111111100'

Code Verilog - [expand]
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integer intA;
reg [15:0] regA;
 
always @ * begin
intA = -4'd12;
$display ("\$display: A0 = %b, A0 = %d", intA, intA); // 
 
regA = intA / 3;
$display ("\$display: A1 = %b, A1 = %d", regA, regA); //

Code Verilog - [expand]
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$display("<format>", exp1, exp2, ...);  // formatted write to display
  format indication %b %B binary
                    %c %C character (low 8 bits)
                    %d %D decimal  %0d for minimum width field
                    %e %E E format floating point %15.7E
                    %f %F F format floating point %9.7F
                    %g %G G general format floating point
                    %h %H hexadecimal
                    %l %L library binding information
                    %m %M hierarchical name, no expression
                    %o %O octal
                    %s %S string, 8 bits per character, 2´h00 does not print
                    %t %T simulation time, expression is  $time
                    %u %U unformatted two value data  0 and 1 
                    %v %V net signal strength
                    %z %Z unformatted four value data  0, 1, x, z