Last Changed row +1 in a group - sas

Question

I've got group data and it has flags created anytime a name is changed within that group. I can pull the last two or first two observations within the group, but I am struggling figuring out how to pull the last observation with a name change AND the row right after.
The below code give me the first or last two observations per group, depending on how I sort the data.
DATA LastTwo;
SET WhatIveGot;
count + 1;
BY group_ID /*data pre sorted*/;
IF FIRST.group_ID THEN count=1;
IF count<=2 THEN OUTPUT;
RUN;
What I need is to be the LAST observation with a name change AND the following row.
group_ID NAME DATE NAME_CHange
1 TOM 1/1/19 0
1 Jill 1/30/19 1
1 Jill 1/20/19 0
1 Bob 2/10/19 1
1 Bob 2/30/19 0
2 TOM 2/1/19 0
2 Jill 2/30/19 1
2 Jill 2/20/19 0
2 Jim 3/10/19 1
2 Jim 3/30/19 0
2 Jim 4/15/19 0
3 Joe 2/20/19 0
3 Kim 3/10/19 1
3 Kim 3/30/19 0
3 Ken 4/15/19 1
4 Tim 3/10/19 0
4 Tim 3/30/19 0
The desired output:
group_ID NAME DATE NAME_CHange
1 Bob 2/10/19 1
1 Bob 2/30/19 0
2 Jim 3/10/19 1
2 Jim 3/30/19 0
3 Ken 4/15/19 1
The cases for Group_ID 2 and 3 are the roadblock. The data is already sorted by date.
Thank you for any help in advance

Answer 1

Use DOW processing to determine where the last name change was. Apply that information in a succeeding loop.
Example:
data want;
do _n_ = 1 by 1 until (last.id);
set have;
by id name notsorted;
if first.name then _index_of_last_name_change = _n_;
end;
do _n_ = 1 to _n_;
set have;
if _index_of_last_name_change <= _n_ <= _index_of_last_name_change+1 then OUTPUT;
end;
drop _:;
run;