LENZ Therapeutics Inc.

Last updated September 27, 2026
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Organization details

Legal name
LENZ Therapeutics Inc.
Former names
Graphite Bio, Inc.
Ownership
Public
Status
Active
Sector (GICS)
Health Care
SIC code
2836 — Biological Products, (No Diagnostic Substances)
Jurisdiction of incorporation
Delaware
Headquarters city
Solana Beach
Headquarters state / province
California
Headquarters country
United States
Fiscal year end
December
Ticker symbol
LENZ
Primary stock exchange
Nasdaq

Identifiers

SEC CIK
0001815776
EIN
84-4867570

Board of directors

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Chief executives

Evert B. Schimmelpennink · President, CEO and Secretary
Since March 2024
Joshua Lehrer-Graiwer · PRESIDENT AND CEO
Until March 2024 · Former

Director election results

Annual meeting of June 12, 2026. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

Board connections

14 of this board's directors also sit on 38 other boards. 34 are in the same sector.

Network of LENZ Therapeutics Inc.'s board connections Acumen Pharmaceuticals Inc. Acumen Pharmaceuticals... Climb Bio Inc. Climb Bio Inc. Nkarta Inc. Nkarta Inc. Septerna Inc. Septerna Inc. Sionna Therapeutics Inc. Sionna Therapeutics In... SpyGlass Pharma Inc. SpyGlass Pharma Inc. ARS Pharmaceuticals Inc. ARS Pharmaceuticals In... Acrivon Therapeutics Inc. Acrivon Therapeutics I... Artiva Biotherapeutics Inc. Artiva Biotherapeutics... Bambusa Therapeutics Inc. Bambusa Therapeutics I... Bicara Therapeutics Inc. Bicara Therapeutics In... Black Diamond Therapeutics Inc. Black Diamond Therapeu... Century Therapeutics Inc. Century Therapeutics I... Evommune Inc. Evommune Inc. Freenome Inc. Freenome Inc. Hemab Therapeutics Holdings Inc. Hemab Therapeutics Hol... Abraham Bassan Abraham Bassan Joanne L. Viney Joanne L. Viney Joseph Jimenez Joseph Jimenez Kimberlee C. Drapkin Kimberlee C. Drapkin Peter Kolchinsky Peter Kolchinsky Rajeev M. Shah Rajeev M. Shah Rizzuto Carlo Rizzuto Carlo Zachary Scheiner Zachary Scheiner LENZ Therapeutics Inc.
Shared director Other board Same sector +22 more in the list below

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Bought, last 12 months
$365,552
3 purchases by 3 insiders
Sold, last 12 months
$9,395,825
5 sales by 2 insiders
Date Insider Transaction Shares Price Value
Oct 29, 2026 RA CAPITAL MANAGEMENT, L.P. 10% owner Open-market sale −2,159,516 $3.36 $7,255,974
Oct 29, 2026 RA CAPITAL MANAGEMENT, L.P. 10% owner Open-market sale −451,998 $3.36 $1,518,713
Oct 29, 2026 RA CAPITAL MANAGEMENT, L.P. 10% owner Open-market sale −107,170 $3.36 $360,091
Mar 27, 2026 Jeffrey P. George Director Open-market purchase +5,592 $8.92 $49,881
Mar 27, 2026 Evert B. Schimmelpennink Director, Officer (President, CEO and Secretary) Open-market purchase +28,089 $8.95 $251,397
Mar 27, 2026 Chevallard Daniel R. Officer (Chief Financial Officer) Open-market purchase +7,500 $8.57 $64,275
Nov 17, 2025 Olsson Shawn Officer (Chief Commercial Officer) Option exercise +10,000 $2.08 $20,800
Nov 17, 2025 Olsson Shawn Officer (Chief Commercial Officer) Open-market sale −4,212 $25.74 $108,417
Nov 17, 2025 Olsson Shawn Officer (Chief Commercial Officer) Open-market sale −5,788 $26.37 $152,630
Nov 7, 2025 James W. Mccollum Director Open-market purchase +10,500 $22.79 $239,295
Nov 7, 2025 Chevallard Daniel R. Officer (Chief Financial Officer) Open-market purchase +20 $22.71 $454
Nov 7, 2025 Chevallard Daniel R. Officer (Chief Financial Officer) Open-market purchase +2,178 $22.76 $49,571
Sep 30, 2025 Versant Vantage II GP-GP, LLC 10% owner Open-market sale −49,701 $45.35 $2,253,940
Sep 30, 2025 Versant Vantage II GP-GP, LLC 10% owner Open-market sale −34,405 $45.35 $1,560,267
Sep 30, 2025 Versant Vantage II GP-GP, LLC 10% owner Open-market sale −83,066 $46.41 $3,855,093

Peers

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Questions about LENZ Therapeutics Inc.

Who is the CEO of LENZ Therapeutics Inc.?

Evert B. Schimmelpennink has been LENZ Therapeutics Inc.'s President, CEO and Secretary since March 2024.

How many directors are on LENZ Therapeutics Inc.'s board?

LENZ Therapeutics Inc.'s board has 19 directors: Abraham Bassan, Davis Jerel, Evert B. Schimmelpennink, Frederic Guerard, James W. Mccollum, Jeffrey P. George, Joanne L. Viney, Joseph Jimenez, Joshua Lehrer-Graiwer, Kimberlee C. Drapkin and 9 others.

Are LENZ Therapeutics Inc. insiders buying or selling shares?

Over the last 12 months, LENZ Therapeutics Inc. insiders bought $365,552 of shares in 3 purchases and sold $9.4 million of shares in 5 sales on the open market, as reported to the SEC on Forms 4 and 5.

How is LENZ Therapeutics Inc. connected to…? → Spot something wrong? Report a correction
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