CRISPR Therapeutics AG (CRSP) Insider Ownership

Historic Insider Ownership Trends

CRISPR Therapeutics AG's top three insider shareholders as of March 23, 2026 are Simeon George (Director, 1.73Mn shares), Rodger Novak (President, 573.01K shares), Samarth Kulkarni (Chief Executive Officer, 226.11K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Simeon George 0 1,730,179 17 Jul, 2025
Rodger Novak President 573,007 0 01 Jul, 2021
Samarth Kulkarni Chief Executive Officer 245,834 0 17 Mar, 2026
James R. Kasinger General Counsel And Secretary 91,240 0 17 Mar, 2026
Tony W Ho Executive Vp, Head Of Rd 52,364 0 07 Dec, 2021
Lawrence Otto Klein Cbo Coo 26,797 0 14 Mar, 2022
Douglas A Treco 22,000 0 08 Aug, 2025
Naimish Patel Chief Medical Officer 13,143 0 17 Mar, 2026
Raju Prasad Chief Financial Officer 13,023 0 17 Mar, 2026
John Greene 7,000 0 28 Feb, 2025
Brendan Smith Chief Financial Officer 5,072 0 22 Feb, 2023
Phuong Khanh Morrow Chief Medical Officer 4,411 0 25 May, 2023
Michael John Tomsicek Chief Financial Officer 1,891 0 10 Aug, 2021

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
14 Mar, 2026 James R. Kasinger Common Shares A 6,875 - 94,690 D M
14 Mar, 2026 Samarth Kulkarni Common Shares A 20,625 - 256,183 D M
14 Mar, 2026 Raju Prasad Common Shares A 10,000 - 16,767 D M
14 Mar, 2026 Naimish Patel Common Shares A 8,125 - 16,293 D M
16 Mar, 2026 James R. Kasinger Common Shares D 3,450 $48.26 91,240 D S
14 Mar, 2026 Raju Prasad Common Shares A 6,875 - 23,642 D M
16 Mar, 2026 Samarth Kulkarni Common Shares D 10,349 $48.26 245,834 D S
16 Mar, 2026 Naimish Patel Common Shares D 3,150 $48.26 13,143 D S
14 Mar, 2026 Samarth Kulkarni Restricted Stock Units D 20,625 - 61,875 D M
14 Mar, 2026 James R. Kasinger Restricted Stock Units D 6,875 - 20,625 D M
14 Mar, 2026 Naimish Patel Restricted Stock Units D 8,125 - 24,375 D M
16 Mar, 2026 Raju Prasad Common Shares D 5,848 $48.26 17,794 D S
16 Mar, 2026 Raju Prasad Common Shares D 4,021 $48.26 13,773 D S
16 Mar, 2026 Raju Prasad Common Shares D 750 $0.00 13,023 D G
14 Mar, 2026 Raju Prasad Restricted Stock Units D 10,000 - 10,000 D M
14 Mar, 2026 Raju Prasad Restricted Stock Units D 6,875 - 20,625 D M
10 Mar, 2026 James R. Kasinger Common Shares A 5,500 - 90,615 D M
10 Mar, 2026 Samarth Kulkarni Common Shares A 19,250 - 245,356 D M
11 Mar, 2026 Samarth Kulkarni Common Shares D 9,798 $52.80 235,558 D S
11 Mar, 2026 James R. Kasinger Common Shares D 2,800 $52.80 87,815 D S