Prothena Corporation plc

Scully William P bought 27,000 shares of PRTA on 2 September. They now own 827,000 PRTA shares.

Scully William P bought 50,000 shares of PRTA on 20 August. They now own 800,000 PRTA shares.

Scully William P sold 627,553 shares of PRTA on 18 August. They now own 750,000 PRTA shares.

Fennell Todd W. bought 0 shares of PRTA on 18 August. They now own 0 PRTA shares.

Scully William P bought 336,000 shares of PRTA on 17 August. They now own 1,377,553 PRTA shares.

Scully William P bought 251,553 shares of PRTA on 10 August. They now own 1,041,553 PRTA shares.

Scully William P bought 34,000 shares of PRTA on 7 August. They now own 790,000 PRTA shares.

Scully William P bought 3,500 shares of PRTA on 7 August. They now own 83,500 PRTA shares.

Fennell Todd W. bought 0 shares of PRTA on 6 August. They now own 0 PRTA shares.

Kingston Anne Evans sold 7,662 shares of PRTA on 29 July. They now own 55,782 PRTA shares.

Isaacs Michael John sold 8,386 shares of PRTA on 29 July. They now own 35,745 PRTA shares.

Kinney Gene G. sold 84,000 shares of PRTA on 28 July. They now own 0 PRTA shares.

Smith Brandon S. sold 78,000 shares of PRTA on 28 July. They now own 0 PRTA shares.

Nguyen Tran sold 57,000 shares of PRTA on 28 July. They now own 40,205 PRTA shares.

Swanson Chad J. sold 3,467 shares of PRTA on 28 July. They now own 40,733 PRTA shares.

Swanson Chad J. sold 51,000 shares of PRTA on 28 July. They now own 0 PRTA shares.

Smith Brandon S. bought 78,000 shares of PRTA on 28 July. They now own 130,000 PRTA shares.

Swanson Chad J. sold 40,800 shares of PRTA on 28 July. They now own 44,200 PRTA shares.

Zago Wagner M. sold 51,000 shares of PRTA on 28 July. They now own 34,000 PRTA shares.

Kingston Anne Evans sold 3,498 shares of PRTA on 28 July. They now own 63,444 PRTA shares.

Swanson Chad J. bought 51,000 shares of PRTA on 28 July. They now own 85,000 PRTA shares.

Isaacs Michael John sold 4,694 shares of PRTA on 28 July. They now own 44,131 PRTA shares.

Walker Karin L sold 15,000 shares of PRTA on 28 July. They now own 0 PRTA shares.

Nguyen Tran bought 57,000 shares of PRTA on 28 July. They now own 97,205 PRTA shares.

Walker Karin L bought 15,000 shares of PRTA on 28 July. They now own 25,000 PRTA shares.

Kinney Gene G. sold 84,000 shares of PRTA on 28 July. They now own 68,793 PRTA shares.

Nguyen Tran sold 57,000 shares of PRTA on 28 July. They now own 0 PRTA shares.

Walker Karin L sold 15,000 shares of PRTA on 28 July. They now own 10,000 PRTA shares.

Zago Wagner M. sold 51,000 shares of PRTA on 28 July. They now own 0 PRTA shares.

Kinney Gene G. bought 84,000 shares of PRTA on 28 July. They now own 152,793 PRTA shares.

Smith Brandon S. sold 78,000 shares of PRTA on 28 July. They now own 52,000 PRTA shares.

Zago Wagner M. bought 51,000 shares of PRTA on 28 July. They now own 85,000 PRTA shares.

Scully William P bought 20,000 shares of PRTA on 16 June. They now own 756,000 PRTA shares.

Scully William P sold 325,000 shares of PRTA on 15 June. They now own 736,000 PRTA shares.

Scully William P bought 125,000 shares of PRTA on 11 June. They now own 1,061,000 PRTA shares.

Isaacs Michael John bought 37,500 shares of PRTA on 8 June. They now own 0 PRTA shares.

Isaacs Michael John bought 0 shares of PRTA on 8 June. They now own 48,825 PRTA shares.

Isaacs Michael John bought 17,500 shares of PRTA on 8 June. They now own 0 PRTA shares.

Isaacs Michael John bought 8,612 shares of PRTA on 8 June. They now own 0 PRTA shares.

Isaacs Michael John bought 8,800 shares of PRTA on 8 June. They now own 0 PRTA shares.

Isaacs Michael John bought 50,000 shares of PRTA on 8 June. They now own 0 PRTA shares.

Isaacs Michael John bought 10,000 shares of PRTA on 8 June. They now own 0 PRTA shares.

Isaacs Michael John bought 8,250 shares of PRTA on 8 June. They now own 0 PRTA shares.

Isaacs Michael John bought 12,000 shares of PRTA on 8 June. They now own 0 PRTA shares.

Scully William P bought 50,000 shares of PRTA on 4 June. They now own 936,000 PRTA shares.

Scully William P bought 50,000 shares of PRTA on 2 June. They now own 886,000 PRTA shares.

Scully William P bought 100,000 shares of PRTA on 22 May. They now own 836,000 PRTA shares.

Collier Richard T bought 27,000 shares of PRTA on 15 May. They now own 27,000 PRTA shares.

Dunn William H. Jr. bought 27,000 shares of PRTA on 15 May. They now own 27,000 PRTA shares.

Selkoe Dennis J. bought 27,000 shares of PRTA on 15 May. They now own 27,000 PRTA shares.

Ekman Lars bought 27,000 shares of PRTA on 15 May. They now own 27,000 PRTA shares.

Welch Daniel G bought 27,000 shares of PRTA on 15 May. They now own 27,000 PRTA shares.

Cooke Shane bought 27,000 shares of PRTA on 15 May. They now own 27,000 PRTA shares.

Scully William P bought 0 shares of PRTA on 7 May. They now own 52,000 PRTA shares.

Scully William P bought 0 shares of PRTA on 7 May. They now own 80,000 PRTA shares.

Scully William P bought 0 shares of PRTA on 7 May. They now own 736,000 PRTA shares.

Kingston Anne Evans bought 5,000 shares of PRTA on 10 April. They now own 0 PRTA shares.

Kingston Anne Evans bought 3,000 shares of PRTA on 10 April. They now own 0 PRTA shares.

Kingston Anne Evans bought 0 shares of PRTA on 10 April. They now own 66,942 PRTA shares.

Kingston Anne Evans bought 14,080 shares of PRTA on 10 April. They now own 0 PRTA shares.

Kingston Anne Evans bought 100,000 shares of PRTA on 10 April. They now own 100,000 PRTA shares.

Nguyen Tran bought 230,000 shares of PRTA on 3 March. They now own 230,000 PRTA shares.

Smith Brandon S. bought 190,000 shares of PRTA on 3 March. They now own 190,000 PRTA shares.

Zago Wagner M. bought 190,000 shares of PRTA on 3 March. They now own 190,000 PRTA shares.

Walker Karin L bought 150,000 shares of PRTA on 3 March. They now own 150,000 PRTA shares.

Swanson Chad J. bought 190,000 shares of PRTA on 3 March. They now own 190,000 PRTA shares.

Kinney Gene G. bought 520,000 shares of PRTA on 3 March. They now own 520,000 PRTA shares.

Malecek Michael J bought 190,000 shares of PRTA on 3 March. They now own 190,000 PRTA shares.

Walker Karin L bought 25,000 shares of PRTA on 28 July. They now own 25,000 PRTA shares.

Swanson Chad J. bought 85,000 shares of PRTA on 28 July. They now own 85,000 PRTA shares.

Smith Brandon S. bought 130,000 shares of PRTA on 28 July. They now own 130,000 PRTA shares.

Nguyen Tran bought 95,000 shares of PRTA on 28 July. They now own 97,205 PRTA shares.

Kinney Gene G. bought 140,000 shares of PRTA on 28 July. They now own 152,793 PRTA shares.

Malecek Michael J bought 80,000 shares of PRTA on 28 July. They now own 80,000 PRTA shares.

Zago Wagner M. bought 85,000 shares of PRTA on 28 July. They now own 85,000 PRTA shares.

Welch Daniel G bought 20,183 shares of PRTA on 14 May. They now own 20,183 PRTA shares.

Cooke Shane bought 20,183 shares of PRTA on 14 May. They now own 20,183 PRTA shares.

Kim Helen Susan bought 20,183 shares of PRTA on 14 May. They now own 20,183 PRTA shares.

Selkoe Dennis J. bought 20,183 shares of PRTA on 14 May. They now own 20,183 PRTA shares.

Ekman Lars bought 20,183 shares of PRTA on 14 May. They now own 20,183 PRTA shares.

Dunn William H. Jr. bought 20,183 shares of PRTA on 14 May. They now own 20,183 PRTA shares.

Collier Richard T bought 20,183 shares of PRTA on 14 May. They now own 20,183 PRTA shares.

Cobb Paula K bought 20,183 shares of PRTA on 14 May. They now own 20,183 PRTA shares.

Ecor1 Capital, Llc sold 1,984,053 shares of PRTA on 6 May. They now own 5,304,596 PRTA shares.

Ecor1 Capital, Llc sold 977,693 shares of PRTA on 5 May. They now own 7,288,649 PRTA shares.

Ecor1 Capital, Llc sold 3,317,938 shares of PRTA on 2 May. They now own 8,266,342 PRTA shares.

Smith Brandon S. bought 107,500 shares of PRTA on 5 March. They now own 107,500 PRTA shares.

Walker Karin L bought 70,000 shares of PRTA on 5 March. They now own 70,000 PRTA shares.

Malecek Michael J bought 107,500 shares of PRTA on 5 March. They now own 107,500 PRTA shares.

Ford David A bought 107,500 shares of PRTA on 5 March. They now own 107,500 PRTA shares.

Kinney Gene G. bought 375,000 shares of PRTA on 5 March. They now own 375,000 PRTA shares.

Karp Carol D. bought 107,500 shares of PRTA on 5 March. They now own 107,500 PRTA shares.

Swanson Chad J. bought 107,500 shares of PRTA on 5 March. They now own 107,500 PRTA shares.

Nguyen Tran bought 107,500 shares of PRTA on 5 March. They now own 107,500 PRTA shares.

Zago Wagner M. bought 107,500 shares of PRTA on 5 March. They now own 107,500 PRTA shares.

Scully William P sold 12,000 shares of PRTA on 15 January. They now own 47,000 PRTA shares.

Scully William P bought 100,000 shares of PRTA on 14 January. They now own 735,993 PRTA shares.

Scully William P sold 1,000 shares of PRTA on 3 January. They now own 635,993 PRTA shares.

Scully William P sold 13,200 shares of PRTA on 2 January. They now own 636,993 PRTA shares.

Scully William P bought 1,200 shares of PRTA on 31 December. They now own 619,393 PRTA shares.

Scully William P bought 800 shares of PRTA on 31 December. They now own 620,193 PRTA shares.

Scully William P bought 30,000 shares of PRTA on 31 December. They now own 650,193 PRTA shares.

Scully William P bought 2,000 shares of PRTA on 20 December. They now own 618,693 PRTA shares.

Scully William P sold 500 shares of PRTA on 20 December. They now own 618,193 PRTA shares.

Scully William P sold 40,000 shares of PRTA on 20 December. They now own 59,000 PRTA shares.

Scully William P sold 681,000 shares of PRTA on 19 December. They now own 616,693 PRTA shares.

Scully William P bought 430,000 shares of PRTA on 18 December. They now own 1,224,257 PRTA shares.

Scully William P bought 73,436 shares of PRTA on 18 December. They now own 1,297,693 PRTA shares.

Scully William P bought 0 shares of PRTA on 17 December. They now own 68,000 PRTA shares.

Scully William P bought 0 shares of PRTA on 17 December. They now own 75,950 PRTA shares.

Scully William P bought 0 shares of PRTA on 17 December. They now own 794,257 PRTA shares.

Scully William P bought 0 shares of PRTA on 17 December. They now own 99,000 PRTA shares.

Swanson Chad J. bought 40,000 shares of PRTA on 1 October. They now own 40,000 PRTA shares.

Swanson Chad J. bought 85,000 shares of PRTA on 27 September. They now own 0 PRTA shares.

Swanson Chad J. bought 27,000 shares of PRTA on 27 September. They now own 0 PRTA shares.

Selkoe Dennis J. bought 15,000 shares of PRTA on 15 May. They now own 15,000 PRTA shares.

Cobb Paula K bought 15,000 shares of PRTA on 15 May. They now own 15,000 PRTA shares.

Collier Richard T bought 15,000 shares of PRTA on 15 May. They now own 15,000 PRTA shares.

Cooke Shane bought 15,000 shares of PRTA on 15 May. They now own 15,000 PRTA shares.

Kim Helen Susan bought 15,000 shares of PRTA on 15 May. They now own 15,000 PRTA shares.

Welch Daniel G bought 15,000 shares of PRTA on 15 May. They now own 15,000 PRTA shares.

Ekman Lars bought 15,000 shares of PRTA on 15 May. They now own 15,000 PRTA shares.

Dunn William H. Jr. bought 15,000 shares of PRTA on 15 May. They now own 15,000 PRTA shares.

Ford David A bought 85,000 shares of PRTA on 1 March. They now own 85,000 PRTA shares.

Ford David A bought 0 shares of PRTA on 1 March. They now own 0 PRTA shares.

Karp Carol D. bought 85,000 shares of PRTA on 27 February. They now own 85,000 PRTA shares.

Malecek Michael J bought 85,000 shares of PRTA on 27 February. They now own 85,000 PRTA shares.

Nguyen Tran bought 85,000 shares of PRTA on 27 February. They now own 85,000 PRTA shares.

Zago Wagner M. bought 85,000 shares of PRTA on 27 February. They now own 85,000 PRTA shares.

Garren Hideki bought 85,000 shares of PRTA on 27 February. They now own 85,000 PRTA shares.

Walker Karin L bought 54,000 shares of PRTA on 27 February. They now own 54,000 PRTA shares.

Kinney Gene G. bought 307,000 shares of PRTA on 27 February. They now own 307,000 PRTA shares.

Smith Brandon S. bought 85,000 shares of PRTA on 27 February. They now own 85,000 PRTA shares.

Welch Daniel G bought 132,000 shares of PRTA on 21 February. They now own 132,000 PRTA shares.

Welch Daniel G bought 0 shares of PRTA on 21 February. They now own 0 PRTA shares.

Walker Karin L sold 5,000 shares of PRTA on 24 January. They now own 15,000 PRTA shares.

Walker Karin L sold 5,000 shares of PRTA on 24 January. They now own 0 PRTA shares.

Walker Karin L bought 5,000 shares of PRTA on 24 January. They now own 5,000 PRTA shares.

Walker Karin L sold 3,322 shares of PRTA on 20 December. They now own 0 PRTA shares.

Walker Karin L sold 1,678 shares of PRTA on 20 December. They now own 3,322 PRTA shares.

Walker Karin L sold 5,000 shares of PRTA on 20 December. They now own 20,000 PRTA shares.

Walker Karin L bought 5,000 shares of PRTA on 20 December. They now own 5,000 PRTA shares.

Walker Karin L sold 5,000 shares of PRTA on 30 November. They now own 25,000 PRTA shares.

Walker Karin L bought 5,000 shares of PRTA on 30 November. They now own 5,000 PRTA shares.

Walker Karin L sold 5,000 shares of PRTA on 30 November. They now own 0 PRTA shares.

Walker Karin L sold 294 shares of PRTA on 25 October. They now own 0 PRTA shares.

Walker Karin L bought 5,000 shares of PRTA on 25 October. They now own 5,000 PRTA shares.

Walker Karin L sold 5,000 shares of PRTA on 25 October. They now own 30,000 PRTA shares.

Walker Karin L sold 2,917 shares of PRTA on 25 October. They now own 294 PRTA shares.

Walker Karin L sold 1,789 shares of PRTA on 25 October. They now own 3,211 PRTA shares.

Smith Brandon S. sold 3,556 shares of PRTA on 11 October. They now own 444 PRTA shares.

Smith Brandon S. bought 4,000 shares of PRTA on 11 October. They now own 4,000 PRTA shares.

Smith Brandon S. sold 444 shares of PRTA on 11 October. They now own 0 PRTA shares.

Smith Brandon S. sold 4,000 shares of PRTA on 11 October. They now own 218,667 PRTA shares.

Karp Carol D. sold 4,337 shares of PRTA on 4 October. They now own 663 PRTA shares.

Karp Carol D. bought 5,000 shares of PRTA on 4 October. They now own 5,000 PRTA shares.

Karp Carol D. sold 5,000 shares of PRTA on 4 October. They now own 45,000 PRTA shares.

Karp Carol D. sold 663 shares of PRTA on 4 October. They now own 0 PRTA shares.

Malecek Michael J bought 5,000 shares of PRTA on 27 September. They now own 5,000 PRTA shares.

Malecek Michael J sold 4,596 shares of PRTA on 27 September. They now own 404 PRTA shares.

Malecek Michael J sold 5,000 shares of PRTA on 27 September. They now own 90,000 PRTA shares.

Malecek Michael J sold 404 shares of PRTA on 27 September. They now own 0 PRTA shares.

Walker Karin L bought 5,000 shares of PRTA on 19 September. They now own 5,000 PRTA shares.

Walker Karin L sold 5,000 shares of PRTA on 19 September. They now own 0 PRTA shares.

Walker Karin L sold 5,000 shares of PRTA on 19 September. They now own 481 PRTA shares.

Smith Brandon S. sold 4,000 shares of PRTA on 13 September. They now own 222,667 PRTA shares.

Garren Hideki sold 2,000 shares of PRTA on 13 September. They now own 0 PRTA shares.

Garren Hideki sold 2,000 shares of PRTA on 13 September. They now own 192,000 PRTA shares.

Garren Hideki bought 2,000 shares of PRTA on 13 September. They now own 2,000 PRTA shares.

Smith Brandon S. bought 4,000 shares of PRTA on 13 September. They now own 4,000 PRTA shares.

Smith Brandon S. sold 114 shares of PRTA on 13 September. They now own 0 PRTA shares.

Smith Brandon S. sold 3,886 shares of PRTA on 13 September. They now own 114 PRTA shares.

Karp Carol D. bought 5,000 shares of PRTA on 6 September. They now own 5,000 PRTA shares.

Karp Carol D. sold 4,994 shares of PRTA on 6 September. They now own 6 PRTA shares.

Karp Carol D. sold 6 shares of PRTA on 6 September. They now own 0 PRTA shares.

Karp Carol D. sold 5,000 shares of PRTA on 6 September. They now own 50,000 PRTA shares.

Malecek Michael J sold 14 shares of PRTA on 30 August. They now own 0 PRTA shares.

Malecek Michael J sold 2,322 shares of PRTA on 30 August. They now own 2,678 PRTA shares.

Malecek Michael J bought 5,000 shares of PRTA on 30 August. They now own 5,000 PRTA shares.

Malecek Michael J sold 5,000 shares of PRTA on 30 August. They now own 95,000 PRTA shares.

Malecek Michael J sold 2,664 shares of PRTA on 30 August. They now own 14 PRTA shares.

Walker Karin L sold 5,000 shares of PRTA on 18 August. They now own 0 PRTA shares.

Walker Karin L sold 5,000 shares of PRTA on 18 August. They now own 5,481 PRTA shares.

Walker Karin L bought 5,000 shares of PRTA on 18 August. They now own 5,000 PRTA shares.

Smith Brandon S. sold 1,373 shares of PRTA on 16 August. They now own 401 PRTA shares.

Garren Hideki sold 2,000 shares of PRTA on 16 August. They now own 194,000 PRTA shares.

Garren Hideki sold 878 shares of PRTA on 16 August. They now own 1,122 PRTA shares.

Garren Hideki bought 2,000 shares of PRTA on 16 August. They now own 2,000 PRTA shares.

Smith Brandon S. sold 401 shares of PRTA on 16 August. They now own 0 PRTA shares.

Garren Hideki sold 748 shares of PRTA on 16 August. They now own 374 PRTA shares.

Smith Brandon S. bought 4,000 shares of PRTA on 16 August. They now own 4,000 PRTA shares.

Smith Brandon S. sold 2,226 shares of PRTA on 16 August. They now own 1,774 PRTA shares.

Smith Brandon S. sold 4,000 shares of PRTA on 16 August. They now own 226,667 PRTA shares.

Garren Hideki sold 374 shares of PRTA on 16 August. They now own 0 PRTA shares.

Zago Wagner M. sold 4,000 shares of PRTA on 2 August. They now own 58,000 PRTA shares.

Zago Wagner M. sold 3,771 shares of PRTA on 2 August. They now own 229 PRTA shares.

Karp Carol D. sold 4,672 shares of PRTA on 2 August. They now own 328 PRTA shares.

Karp Carol D. sold 328 shares of PRTA on 2 August. They now own 0 PRTA shares.

Zago Wagner M. bought 4,000 shares of PRTA on 2 August. They now own 4,000 PRTA shares.

Karp Carol D. sold 5,000 shares of PRTA on 2 August. They now own 55,000 PRTA shares.