And if you are interested in WHEN , as you can see (in the same screenshot above), there is also modifyTimeStamp Operational Attribute that CA Directory maintains.
And further, if you want to dump this information to a flat file, you can even run dxsearch or ldapsearch to retrieve this information.
e.g.
dxsearch -LLL -h hostname:port -b "o=democorp,c=au" modifiersname modifytimestamp > modifiers_name_time.ldif
and the resulting 'modifiers_name_time.ldif' will look something link this:
===============
dn: o=democorp,c=au
dn: ou=Corporate,o=democorp,c=au
dn: ou=support,ou=Corporate,o=democorp,c=au
dn: uid=alex,ou=support,ou=Corporate,o=democorp,c=au
modifytimestamp: 20180713124118.908Z
dn: cn=test,ou=support,ou=Corporate,o=democorp,c=au
modifytimestamp: 20171108164014.817Z
modifiersname: uid=alex,ou=support,ou=Corporate,o=democorp,c=au
dn: cn=admins,ou=support,ou=Corporate,o=democorp,c=au
modifytimestamp: 20171108163235.119Z
modifiersname: uid=alex,ou=support,ou=Corporate,o=democorp,c=au
dn: ou=testdelete,ou=Corporate,o=democorp,c=au
dn: cn=testdelete1,ou=testdelete,ou=Corporate,o=democorp,c=au
dn: ou=test,ou=Corporate,o=democorp,c=au
dn: cn=test1,ou=test,ou=Corporate,o=democorp,c=au
dn: cn=test2,ou=test,ou=Corporate,o=democorp,c=au
dn: ou=Administration,ou=Corporate,o=democorp,c=au
modifytimestamp: 20170509115643.651Z
dn: cn=hitesh,ou=Administration,ou=Corporate,o=democorp,c=au
modifytimestamp: 20180713124111.184Z
dn: cn=greg,ou=Administration,ou=Corporate,o=democorp,c=au
modifytimestamp: 20180413181258.160Z
dn: cn=Vivienne LEVER,ou=Administration,ou=Corporate,o=democorp,c=au
modifytimestamp: 20170816202157.403Z
dn: cn=Nadia KITE,ou=Administration,ou=Corporate,o=democorp,c=au
modifytimestamp: 20170816202132.076Z
dn: cn=Melindie LYNCH,ou=Administration,ou=Corporate,o=democorp,c=au
modifytimestamp: 20170816202127.599Z
dn: cn=Mal BAIL,ou=Administration,ou=Corporate,o=democorp,c=au
modifytimestamp: 20170816202121.594Z
dn: cn=Kevin LUCAS,ou=Administration,ou=Corporate,o=democorp,c=au
modifytimestamp: 20170816202114.952Z
dn: cn=Juliet LEVY,ou=Administration,ou=Corporate,o=democorp,c=au
modifytimestamp: 20170816202059.105Z
dn: cn=Jodie LAY,ou=Administration,ou=Corporate,o=democorp,c=au
modifytimestamp: 20170816202046.600Z
dn: cn=Gavin LOWE,ou=Administration,ou=Corporate,o=democorp,c=au
modifytimestamp: 20170601113731.086Z
modifiersname: cn=Gavin Lowe,ou=Administration,ou=Corporate,o=democorp,c=au
dn: cn=Dominic MAJOR,ou=Administration,ou=Corporate,o=democorp,c=au
modifytimestamp: 20180713125046.968Z
modifiersname: cn=test1,ou=test,ou=Corporate,o=democorp,c=au
dn: cn=Craig LINK,ou=Administration,ou=Corporate,o=democorp,c=au
modifytimestamp: 20180731175058.481Z
===============