Ali Behbahani - 17 Sep 2026 Form 4 Insider Report for CRISPR Therapeutics AG (CRSP)

Reporting relationship: Director
Issuer ticker: CRSP
Reported as of: 17 Sep 2026
Net transaction value: -$780,935
SEC form: 4
Accepted by SEC: 21 Sep 2026, 18:40:40 UTC
Prior SEC filing: 06 Jul 2026
Next SEC filing: 21 Sep 2026
Source filing: View source filing
Reporting owner signature: /s/ Zachary Bambach, attorney-in-fact

Key filing fact

Ali Behbahani filed Form 4 for CRISPR Therapeutics AG (CRSP) on 21 Sep 2026.

Key facts

This page summarizes Ali Behbahani's Form 4 filing for CRISPR Therapeutics AG (CRSP).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 21 Sep 2026, 18:40.

Change

Previous filing in this sequence was filed on 06 Jul 2026.
Current net transaction value: -$780,935.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001613867 Primary reporting owner

Behbahani Ali

Relationship: Director
Address: 2855 SAND HILL ROAD, MENLO PARK
Signature: /s/ Zachary Bambach, attorney-in-fact
Signature date: 21 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CRSP transaction

Common Shares

Options Exercise

Transaction value
Shares: +30,000
Change %: +9494%
Price: $14.00^*
Shares after: 30,316
Date: 17 Sep 2026
Ownership: Direct

CRSP transaction

Common Shares

Sale

Transaction value: $780,935
Shares: -13,679
Change %: -45%
Price: $57.09
Shares after: 16,637
Date: 17 Sep 2026
Ownership: Direct
Footnotes: F1

CRSP holding

Common Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 29
Date: 17 Sep 2026
Ownership: See Note 2
Footnotes: F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

CRSP transaction Derivative

Stock Option (Right to Buy)

Options Exercise

Transaction value
Shares: -30,000
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 17 Sep 2026
Ownership: Direct
Underlying class: Common Shares
Underlying amount: 30,000
Exercise price: $14.00
Footnotes: F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $56.97 to $57.43 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Footnote F2

The Reporting Person is the trustee of The Ali Behbahani Revocable Trust Dated June 26, 2015 (the "Behbahani Trust"), which is the direct beneficial owner of the securities. The Reporting Person disclaims beneficial ownership within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended, of such portion of the Common Shares of the Issuer held by the Behbahani Trust in which the Reporting Person has no pecuniary interest.

Footnote F3

This option was granted on October 18, 2016 with respect to 30,000 Common Shares with 100% of the shares vesting in 36 equal monthly installments beginning October 31, 2016.