Insider Ledger

CRSP insider buying and SEC filings, explained

CRISPR Therapeutics AG · CIK 1674416

Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov

Company profile

Exchanges
Nasdaq
Industry (SIC)
Biological Products, (No Diagnostic Substances)
State of incorporation
V8
Fiscal year end
Dec 31
Former names
CRISPR Therapeutics AG

Insider activity in the last 12 months

Bought
$50K
Insiders who bought
1
Sold (not marked 10b5-1)
$6.1M
Planned sales (10b5-1)
$11.1M

Insider purchases and sales, last 12 months

TradedTypeWhat was filedSource
Oct 19, 2026SaleSamarth Kulkarni (CEO and Director) sold 47,837 shares at $49.78 ($2.4M). Holdings down 13% to 311,899 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Oct 20, 2026, 5:35 PM ET
Oct 14, 2026Planned (10b5-1)Simeon George (Director) sold 14,514 shares at about $49.63 ($720K), marked as a 10b5-1 plan trade. Holdings down 48% to 15,486 shares.SEC filing
Filed Oct 16, 2026, 5:45 PM ET
Oct 14, 2026SaleJames R. Kasinger (General Counsel and Secretary) sold 1,040 shares at $49.26 ($51K). Holdings down 1% to 95,857 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Oct 15, 2026, 5:35 PM ET
Oct 14, 2026SaleSamarth Kulkarni (CEO and Director) sold 4,098 shares at $49.26 ($202K). Holdings down 2% to 259,736 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Oct 15, 2026, 5:35 PM ET
Oct 6, 2026Planned (10b5-1)James R. Kasinger (General Counsel and Secretary) sold 1,990 shares at about $60.04 ($119K), marked as a 10b5-1 plan trade. Holdings down 2% to 94,784 shares.SEC filing
Filed Oct 8, 2026, 5:35 PM ET
Sep 22, 2026Planned (10b5-1)James R. Kasinger (General Counsel and Secretary) sold 10,400 shares at about $60.24 ($626K), marked as a 10b5-1 plan trade. Holdings down 10% to 94,784 shares.SEC filing
Filed Sep 24, 2026
May 29, 2026SaleNaimish Patel (Chief Medical Officer) sold 3,786 shares at $55.62 ($211K). Holdings down 16% to 19,357 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Jun 1, 2026
Mar 23, 2026SaleJames R. Kasinger (General Counsel and Secretary) sold 3,182 shares at $46.78 ($149K). Holdings down 3% to 94,308 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Mar 24, 2026
Mar 23, 2026SaleSamarth Kulkarni (CEO and Director) sold 10,020 shares at $46.78 ($469K). Holdings down 4% to 255,501 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Mar 24, 2026
Mar 23, 2026SaleRaju Prasad (CFO) sold 3,708 shares at $46.78 ($173K). Holdings down 19% to 15,565 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Mar 24, 2026
Mar 16, 2026SaleNaimish Patel (Chief Medical Officer) sold 3,150 shares at $48.26 ($152K). Holdings down 19% to 13,143 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Mar 17, 2026
Mar 16, 2026SaleRaju Prasad (CFO) sold 9,869 shares at $48.26 ($476K). Holdings down 42% to 13,773 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Mar 17, 2026
Mar 16, 2026SaleJames R. Kasinger (General Counsel and Secretary) sold 3,450 shares at $48.26 ($166K). Holdings down 4% to 91,240 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Mar 17, 2026
Mar 16, 2026SaleSamarth Kulkarni (CEO and Director) sold 10,349 shares at $48.26 ($499K). Holdings down 4% to 245,834 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Mar 17, 2026
Mar 11, 2026SaleJames R. Kasinger (General Counsel and Secretary) sold 2,800 shares at $52.80 ($148K). Holdings down 3% to 87,815 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Mar 12, 2026
Mar 11, 2026SaleSamarth Kulkarni (CEO and Director) sold 9,798 shares at $52.80 ($517K). Holdings down 4% to 235,558 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Mar 12, 2026
Feb 19, 2026SaleSamarth Kulkarni (CEO and Director) sold 6,967 shares at $52.58 ($366K). Holdings down 3% to 226,106 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Feb 20, 2026
Feb 19, 2026SaleJames R. Kasinger (General Counsel and Secretary) sold 2,112 shares at $52.58 ($111K). Holdings down 2% to 85,115 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Feb 20, 2026
Apr 3, 2025Purchase (code P)Naimish Patel (Chief Medical Officer) bought 1,508 shares at $32.96 ($50K), reported as a purchase (code P). New position of 1,508 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Jan 27, 2026
Jan 22, 2026Planned (10b5-1)Raju Prasad (CFO) sold 34,972 shares at about $60.19 ($2.1M), marked as a 10b5-1 plan trade. Holdings down 84% to 6,767 shares.SEC filing
Filed Jan 26, 2026
Jan 20–22, 2026Planned (10b5-1)Samarth Kulkarni (CEO and Director) sold 90,000 shares between Jan 20 and Jan 22 at about $57.40 ($5.2M), marked as a 10b5-1 plan trade. Holdings down 40% to 134,201 shares.SEC filing
Filed Jan 22, 2026
Jan 6, 2026Planned (10b5-1)Raju Prasad (CFO) sold 29,700 shares at about $60.16 ($1.8M), marked as a 10b5-1 plan trade. Holdings down 81% to 6,767 shares.SEC filing
Filed Jan 8, 2026
Dec 22, 2025Planned (10b5-1)Raju Prasad (CFO) sold 10,000 shares at about $55.95 ($560K), marked as a 10b5-1 plan trade. Holdings down 60% to 6,767 shares.SEC filing
Filed Dec 23, 2025

44 routine transactions (such as grants, option exercises or tax withholding) are not listed.

Cluster buys

No cluster buys in the last 12 months.

Red flags

No red flags in the last 12 months.

Key events

No key events in the last 12 months.

8-K filings, last 12 months

FiledItemsTagSource
Nov 2, 2026, 4:07 PM ET
8-K
Earnings released (Item 2.02)SEC filing

Red flags are objective triggers only: the item or form filed, never an opinion.

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