Simeon George

CRSP

Simeon George serves as Director at CRISPR Therapeutics AG (CRSP). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

4 trades

$99.07M

Total Sells

0 trades

$0.00

Net Position

Net Buyer

$99.07M

Companies Traded

CRSP, NKTX, DSGN

Active Period

Apr 2022 – Jul 2025

4 total trades

Most Recent

Buy CRSP

Jul 16, 2025 · $51.50M

Simeon George's Insider Trading at CRISPR Therapeutics AG (CRSP)

Buys

1 · $51.50M

Sells

0 · $0.00

Total Shares Bought

989,812

Total Shares Sold

CRSP Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Jul 16, 2025	Buy	989,812	$52.03	$51.50M	0

Simeon George's Insider Trading at Nkarta, Inc. (NKTX)

Buys

2 · $40.00M

Sells

0 · $0.00

Total Shares Bought

3,333,333

Total Shares Sold

NKTX Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Mar 28, 2024	Buy	2,000,000	$10.00	$20.00M	1,548,341
Apr 29, 2022	Buy	1,333,333	$15.00	$20.00M	666,667

Simeon George's Insider Trading at Design Therapeutics, Inc. (DSGN)

Buys

1 · $7.57M

Sells

0 · $0.00

Total Shares Bought

900,000

Total Shares Sold

DSGN Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Dec 20, 2022	Buy	900,000	$8.42	$7.57M	6,526,476

Related Insiders

KASINGER JAMES R.

General Counsel and Secretary

CRSPSell · Feb 18, 2026

Samarth Kulkarni

Chief Executive Officer

CRSPSell · Feb 18, 2026

Raju Prasad

Chief Financial Officer

CRSPSell · Jan 22, 2026

Nadir Mahmood

President

NKTXSell · Jan 15, 2026

HASTINGS PAUL J

Chief Executive Officer

NKTXSell · Jan 15, 2026

Arsani William

Director

DSGNSell · Aug 13, 2025

Douglas A Treco

Director

CRSPBuy · Aug 6, 2025

Naimish Patel

Chief Medical Officer

CRSPSell · May 28, 2025

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