144 0001711968 XXXXXXXX LIVE 0001604821 NATERA, INC. 001-37478 13011 MCCALLEN PASS BUILDING A SUITE 100 AUSTIN TX 78753 650-249-9090 STEVEN L CHAPMAN Officer Director Common Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 8th Floor New York NY 10004

41124 9089777.54 143215382 06/04/2026 NASDAQ Common 01/21/2022 Restricted Stock ISSUER N 41124 01/21/2022 Not Applicable N STEVEN L CHAPMAN

13011 McCallen Pass Building A Suite 100 Austin TX 78753

Common 05/04/2026 909 189283.07 STEVEN L CHAPMAN

13011 McCallen Pass Building A Suite 100 Austin TX 78753

Common 05/01/2026 902 185956.32 STEVEN L CHAPMAN

13011 McCallen Pass Building A Suite 100 Austin TX 78753

Common 04/29/2026 3352 649909.13 STEVEN L CHAPMAN

13011 McCallen Pass Building A Suite 100 Austin TX 78753

Common 04/28/2026 2313 463027.24 STEVEN L CHAPMAN

13011 McCallen Pass Building A Suite 100 Austin TX 78753

Common 04/27/2026 5838 1191774.74 STEVEN L CHAPMAN

13011 McCallen Pass Building A Suite 100 Austin TX 78753

Common 03/10/2026 5623 1147838.17 The securities to be sold were acquired upon the vesting of restricted stock during the period of 1/21/2022 through 4/30/2026. 06/04/2026 03/05/2026 /s/ Steven Leonard Chapman