News
![Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc: https://mms.businesswire.com/media/20200709005923/en/804485/5/web_logo.jpg](https://www.sharewise.com/rails/active_storage/representations/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBNC9KUUE9PSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--64d7ff768b96029e833cb4c14ac5a5abe29a67f5/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCam9MY21WemFYcGxTU0lKTXpVd2VBWTZCa1ZVIiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--aa36f503a05c343bf077379e5dc8bce118d9db18/web_logo.jpg?locale=us)
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
![Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc: https://mms.businesswire.com/media/20200709005923/en/804485/5/web_logo.jpg](https://www.sharewise.com/rails/active_storage/representations/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBNC9KUUE9PSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--64d7ff768b96029e833cb4c14ac5a5abe29a67f5/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCam9MY21WemFYcGxTU0lKTXpVd2VBWTZCa1ZVIiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--aa36f503a05c343bf077379e5dc8bce118d9db18/web_logo.jpg?locale=us)
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
![Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc: https://mms.businesswire.com/media/20200709005923/en/804485/5/web_logo.jpg](https://www.sharewise.com/rails/active_storage/representations/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBNC9KUUE9PSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--64d7ff768b96029e833cb4c14ac5a5abe29a67f5/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCam9MY21WemFYcGxTU0lKTXpVd2VBWTZCa1ZVIiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--aa36f503a05c343bf077379e5dc8bce118d9db18/web_logo.jpg?locale=us)
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
![Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc: https://mms.businesswire.com/media/20200709005923/en/804485/5/web_logo.jpg](https://www.sharewise.com/rails/active_storage/representations/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBNC9KUUE9PSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--64d7ff768b96029e833cb4c14ac5a5abe29a67f5/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCam9MY21WemFYcGxTU0lKTXpVd2VBWTZCa1ZVIiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--aa36f503a05c343bf077379e5dc8bce118d9db18/web_logo.jpg?locale=us)
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
![Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc: https://mms.businesswire.com/media/20200709005923/en/804485/5/web_logo.jpg](https://www.sharewise.com/rails/active_storage/representations/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBNC9KUUE9PSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--64d7ff768b96029e833cb4c14ac5a5abe29a67f5/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCam9MY21WemFYcGxTU0lKTXpVd2VBWTZCa1ZVIiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--aa36f503a05c343bf077379e5dc8bce118d9db18/web_logo.jpg?locale=us)
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
![Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc: https://mms.businesswire.com/media/20200709005923/en/804485/5/web_logo.jpg](https://www.sharewise.com/rails/active_storage/representations/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBNC9KUUE9PSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--64d7ff768b96029e833cb4c14ac5a5abe29a67f5/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCam9MY21WemFYcGxTU0lKTXpVd2VBWTZCa1ZVIiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--aa36f503a05c343bf077379e5dc8bce118d9db18/web_logo.jpg?locale=us)
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
![Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc: https://mms.businesswire.com/media/20200709005923/en/804485/5/web_logo.jpg](https://www.sharewise.com/rails/active_storage/representations/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBNC9KUUE9PSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--64d7ff768b96029e833cb4c14ac5a5abe29a67f5/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCam9MY21WemFYcGxTU0lKTXpVd2VBWTZCa1ZVIiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--aa36f503a05c343bf077379e5dc8bce118d9db18/web_logo.jpg?locale=us)
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
![Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc: https://mms.businesswire.com/media/20200709005923/en/804485/5/web_logo.jpg](https://www.sharewise.com/rails/active_storage/representations/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBNC9KUUE9PSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--64d7ff768b96029e833cb4c14ac5a5abe29a67f5/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCam9MY21WemFYcGxTU0lKTXpVd2VBWTZCa1ZVIiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--aa36f503a05c343bf077379e5dc8bce118d9db18/web_logo.jpg?locale=us)
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
![Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc: https://mms.businesswire.com/media/20200709005923/en/804485/5/web_logo.jpg](https://www.sharewise.com/rails/active_storage/representations/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBNC9KUUE9PSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--64d7ff768b96029e833cb4c14ac5a5abe29a67f5/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCam9MY21WemFYcGxTU0lKTXpVd2VBWTZCa1ZVIiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--aa36f503a05c343bf077379e5dc8bce118d9db18/web_logo.jpg?locale=us)
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
![Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc: https://mms.businesswire.com/media/20200709005923/en/804485/5/web_logo.jpg](https://www.sharewise.com/rails/active_storage/representations/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBNC9KUUE9PSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--64d7ff768b96029e833cb4c14ac5a5abe29a67f5/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCam9MY21WemFYcGxTU0lKTXpVd2VBWTZCa1ZVIiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--aa36f503a05c343bf077379e5dc8bce118d9db18/web_logo.jpg?locale=us)
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
![Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc: https://mms.businesswire.com/media/20200709005923/en/804485/5/web_logo.jpg](https://www.sharewise.com/rails/active_storage/representations/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBNC9KUUE9PSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--64d7ff768b96029e833cb4c14ac5a5abe29a67f5/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCam9MY21WemFYcGxTU0lKTXpVd2VBWTZCa1ZVIiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--aa36f503a05c343bf077379e5dc8bce118d9db18/web_logo.jpg?locale=us)
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
![Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc: https://mms.businesswire.com/media/20200709005923/en/804485/5/web_logo.jpg](https://www.sharewise.com/rails/active_storage/representations/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBNC9KUUE9PSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--64d7ff768b96029e833cb4c14ac5a5abe29a67f5/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCam9MY21WemFYcGxTU0lKTXpVd2VBWTZCa1ZVIiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--aa36f503a05c343bf077379e5dc8bce118d9db18/web_logo.jpg?locale=us)
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
![Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc: https://mms.businesswire.com/media/20200709005923/en/804485/5/web_logo.jpg](https://www.sharewise.com/rails/active_storage/representations/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBNC9KUUE9PSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--64d7ff768b96029e833cb4c14ac5a5abe29a67f5/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCam9MY21WemFYcGxTU0lKTXpVd2VBWTZCa1ZVIiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--aa36f503a05c343bf077379e5dc8bce118d9db18/web_logo.jpg?locale=us)
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
![Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc: https://mms.businesswire.com/media/20200709005923/en/804485/5/web_logo.jpg](https://www.sharewise.com/rails/active_storage/representations/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBNC9KUUE9PSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--64d7ff768b96029e833cb4c14ac5a5abe29a67f5/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCam9MY21WemFYcGxTU0lKTXpVd2VBWTZCa1ZVIiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--aa36f503a05c343bf077379e5dc8bce118d9db18/web_logo.jpg?locale=us)
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
![Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc: https://mms.businesswire.com/media/20200709005923/en/804485/5/web_logo.jpg](https://www.sharewise.com/rails/active_storage/representations/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBNC9KUUE9PSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--64d7ff768b96029e833cb4c14ac5a5abe29a67f5/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCam9MY21WemFYcGxTU0lKTXpVd2VBWTZCa1ZVIiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--aa36f503a05c343bf077379e5dc8bce118d9db18/web_logo.jpg?locale=us)
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
![Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc: https://mms.businesswire.com/media/20200709005923/en/804485/5/web_logo.jpg](https://www.sharewise.com/rails/active_storage/representations/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBNC9KUUE9PSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--64d7ff768b96029e833cb4c14ac5a5abe29a67f5/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCam9MY21WemFYcGxTU0lKTXpVd2VBWTZCa1ZVIiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--aa36f503a05c343bf077379e5dc8bce118d9db18/web_logo.jpg?locale=us)
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
![Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc: https://mms.businesswire.com/media/20200709005923/en/804485/5/web_logo.jpg](https://www.sharewise.com/rails/active_storage/representations/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBNC9KUUE9PSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--64d7ff768b96029e833cb4c14ac5a5abe29a67f5/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCam9MY21WemFYcGxTU0lKTXpVd2VBWTZCa1ZVIiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--aa36f503a05c343bf077379e5dc8bce118d9db18/web_logo.jpg?locale=us)
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
![Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc: https://mms.businesswire.com/media/20200709005923/en/804485/5/web_logo.jpg](https://www.sharewise.com/rails/active_storage/representations/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBNC9KUUE9PSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--64d7ff768b96029e833cb4c14ac5a5abe29a67f5/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCam9MY21WemFYcGxTU0lKTXpVd2VBWTZCa1ZVIiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--aa36f503a05c343bf077379e5dc8bce118d9db18/web_logo.jpg?locale=us)
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
![Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc: https://mms.businesswire.com/media/20200709005923/en/804485/5/web_logo.jpg](https://www.sharewise.com/rails/active_storage/representations/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBNC9KUUE9PSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--64d7ff768b96029e833cb4c14ac5a5abe29a67f5/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCam9MY21WemFYcGxTU0lKTXpVd2VBWTZCa1ZVIiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--aa36f503a05c343bf077379e5dc8bce118d9db18/web_logo.jpg?locale=us)
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
![Form 8.3 - The Vanguard Group, Inc.: Spirent Communications PLC: https://mms.businesswire.com/media/20200709005923/en/804485/5/web_logo.jpg](https://www.sharewise.com/rails/active_storage/representations/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBNC9KUUE9PSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--64d7ff768b96029e833cb4c14ac5a5abe29a67f5/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCam9MY21WemFYcGxTU0lKTXpVd2VBWTZCa1ZVIiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--aa36f503a05c343bf077379e5dc8bce118d9db18/web_logo.jpg?locale=us)
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications PLC
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications PLC
![Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc: https://mms.businesswire.com/media/20200709005923/en/804485/5/web_logo.jpg](https://www.sharewise.com/rails/active_storage/representations/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBNC9KUUE9PSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--64d7ff768b96029e833cb4c14ac5a5abe29a67f5/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCam9MY21WemFYcGxTU0lKTXpVd2VBWTZCa1ZVIiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--aa36f503a05c343bf077379e5dc8bce118d9db18/web_logo.jpg?locale=us)
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
![Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc: https://mms.businesswire.com/media/20200709005923/en/804485/5/web_logo.jpg](https://www.sharewise.com/rails/active_storage/representations/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBNC9KUUE9PSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--64d7ff768b96029e833cb4c14ac5a5abe29a67f5/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCam9MY21WemFYcGxTU0lKTXpVd2VBWTZCa1ZVIiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--aa36f503a05c343bf077379e5dc8bce118d9db18/web_logo.jpg?locale=us)
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
![Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc: https://mms.businesswire.com/media/20200709005923/en/804485/5/web_logo.jpg](https://www.sharewise.com/rails/active_storage/representations/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBNC9KUUE9PSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--64d7ff768b96029e833cb4c14ac5a5abe29a67f5/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCam9MY21WemFYcGxTU0lKTXpVd2VBWTZCa1ZVIiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--aa36f503a05c343bf077379e5dc8bce118d9db18/web_logo.jpg?locale=us)
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
![Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc: https://mms.businesswire.com/media/20200709005923/en/804485/5/web_logo.jpg](https://www.sharewise.com/rails/active_storage/representations/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBNC9KUUE9PSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--64d7ff768b96029e833cb4c14ac5a5abe29a67f5/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCam9MY21WemFYcGxTU0lKTXpVd2VBWTZCa1ZVIiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--aa36f503a05c343bf077379e5dc8bce118d9db18/web_logo.jpg?locale=us)
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
![Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc: https://mms.businesswire.com/media/20200709005923/en/804485/5/web_logo.jpg](https://www.sharewise.com/rails/active_storage/representations/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBNC9KUUE9PSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--64d7ff768b96029e833cb4c14ac5a5abe29a67f5/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCam9MY21WemFYcGxTU0lKTXpVd2VBWTZCa1ZVIiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--aa36f503a05c343bf077379e5dc8bce118d9db18/web_logo.jpg?locale=us)
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc
Form 8.3 - The Vanguard Group, Inc.: Spirent Communications plc