تَلَقَّى is a Form V (tafaʿʿul) verb. Although derived, its weak-final root is subject to the appropriate weak-letter rules; prefixed tāʾ and gemination identify the form.
CategoryFormMeaning
Active perfectتَلَقَّىhe received
Active imperfectيَتَلَقَّىhe receives
Verbal nounتَلَقٍّ / تَلَقِّيًاreceiving
Active participleمُتَلَقٍّreceiver
Passive perfectتُلُقِّيَit was received
Passive imperfectيُتَلَقَّىit is received
Passive participleمُتَلَقًّىreceived
Imperativeتَلَقَّreceive!
Prohibitionلا تَتَلَقَّdo not receive!
The two participles have different final structures and meanings, despite sharing the same derivational family.