When verifying the latest Bitcoin core software I get this below. i am sure its probably fine but it just doesn't look right "Can't check signature: No public key". what am I doing wrong?
Downloads$ gpg --verify SHA256SUMS.asc
gpg: assuming signed data in 'SHA256SUMS'
gpg: Signature made Fri 22 Apr 2022 17:03:04 BST
gpg: using RSA key 152812300785C96444D3334D17565732E08E5E41
gpg: issuer "
achow101@gmail.com"
gpg: Can't check signature: No public key
gpg: Signature made Fri 22 Apr 2022 17:17:06 BST
gpg: using RSA key 0AD83877C1F0CD1EE9BD660AD7CC770B81FD22A8
gpg: issuer "
benthecarman@live.com"
gpg: Can't check signature: No public key
gpg: Signature made Fri 22 Apr 2022 12:54:30 BST
gpg: using RSA key 590B7292695AFFA5B672CBB2E13FC145CD3F4304
gpg: issuer "
darosior@protonmail.com"
gpg: Can't check signature: No public key
gpg: Signature made Fri 22 Apr 2022 09:25:24 BST
gpg: using RSA key 28F5900B1BB5D1A4B6B6D1A9ED357015286A333D
gpg: Can't check signature: No public key
gpg: Signature made Fri 22 Apr 2022 19:39:41 BST
gpg: using RSA key 637DB1E23370F84AFF88CCE03152347D07DA627C
gpg: Can't check signature: No public key
gpg: Signature made Fri 22 Apr 2022 09:22:55 BST
gpg: using RSA key CFB16E21C950F67FA95E558F2EEB9F5CC09526C1
gpg: issuer "
fanquake@gmail.com"
gpg: Can't check signature: No public key
gpg: Signature made Fri 22 Apr 2022 09:36:47 BST
gpg: using RSA key F4FC70F07310028424EFC20A8E4256593F177720
gpg: issuer "
gugger@gmail.com"
gpg: Can't check signature: No public key
gpg: Signature made Fri 22 Apr 2022 09:22:08 BST
gpg: using RSA key D1DBF2C4B96F2DEBF4C16654410108112E7EA81F
gpg: issuer "
hebasto@gmail.com"
gpg: Can't check signature: No public key
gpg: Signature made Sat 23 Apr 2022 09:39:06 BST
gpg: using RSA key 287AE4CA1187C68C08B49CB2D11BD4F33F1DB499
gpg: Can't check signature: No public key
gpg: Signature made Sun 24 Apr 2022 09:31:28 BST
gpg: using RSA key F9A8737BF4FF5C89C903DF31DD78544CF91B1514
gpg: Can't check signature: No public key
gpg: Signature made Sat 23 Apr 2022 13:39:56 BST
gpg: using ECDSA key C388F6961FB972A95678E327F62711DBDCA8AE56
gpg: issuer "
kvaciral@protonmail.com"
gpg: Can't check signature: No public key
gpg: Signature made Fri 22 Apr 2022 17:18:09 BST
gpg: using RSA key 9DEAE0DC7063249FB05474681E4AED62986CD25D
gpg: Can't check signature: No public key
gpg: Signature made Sat 23 Apr 2022 05:43:29 BST
gpg: using RSA key E463A93F5F3117EEDE6C7316BD02942421F4889F
gpg: Can't check signature: No public key
gpg: Signature made Fri 22 Apr 2022 09:56:54 BST
gpg: using RSA key 9D3CC86A72F8494342EA5FD10A41BDC3F4FAFF1C
gpg: issuer "
aaron@sipsorcery.com"
gpg: Can't check signature: No public key
gpg: Signature made Fri 22 Apr 2022 13:32:27 BST
gpg: using RSA key 4DAF18FE948E7A965B30F9457E296D555E7F63A7
gpg: Can't check signature: No public key
gpg: Signature made Sat 23 Apr 2022 18:21:37 BST
gpg: using RSA key 28E72909F1717FE9607754F8A7BEB2621678D37D
gpg: issuer "
vertion@protonmail.com"
gpg: Can't check signature: No public key
gpg: Signature made Fri 22 Apr 2022 09:50:58 BST
gpg: using RSA key 74E2DEF5D77260B98BC19438099BAD163C70FBFA
gpg: issuer "
will8clark@gmail.com"
gpg: Can't check signature: No public key