Prime Medicine, Inc.

Prime Medicine, Inc.

PRME·NASDAQ

$3.14

-2.2%
HealthcareBiotechnology

Prime Medicine, Inc., a biotechnology company, delivers genetic therapies to address diseases by deploying gene editing technology. It offers Prime Editors with a Prime Editor protein, comprising a fusion between a Cas protein and a reverse transcriptase enzyme; and a pegRNA, which targets the Prime Editor to a specific genomic location and provides a template for making the desired edit to the target DNA sequence. The company was incorporated in 2019 and is headquartered in Cambridge, Massachusetts.

At a Glance

Live Snapshot
Market Cap$567.14M
EPS-1.3500
P/E Ratio-2.33
Earnings Date08/06/2026
-66.48%
Return on Invested Capital
-14%
3Y+98.0%
5Y+2421.0%
10Y-58.0%
-166.41%
Return on Equity
30%
3Y+332.0%
5Y+1534.0%
10Y-9.0%
-58.69%
Return on Assets
-11%
3Y+74.0%
5Y+843.0%
10Y+102.0%
Prime Medicine, Inc.

Prime Medicine, Inc. Management Team

PRME · NASDAQ
DJ

Dr. Jeremy S. Duffield M.D., Ph.D.

Chief Scientific Officer

Compensation

$785,544

Born 1969(Age 57)
prme

Prime Medicine, Inc. Insider Positioning

PRME · NASDAQ

During the last 12 months, insiders have purchased $35.84M worth of PRME shares, with no selling activity reported.

3 Months

Bought

0

0.00

Sold

0

0.00

Net Activity

+0

+$0

3-6 Months

Bought

0

0.00

Sold

0

0.00

Net Activity

+0

+$0

6-9 Months

Bought

0

0.00

Sold

0

0.00

Net Activity

+0

+$0

9-12 Months

Bought

10.9M

35.84M

Sold

0

0.00

Net Activity

+35.8M

+$35.84M

Top Buyers

1
NR

Nelsen Robert

Director, 10 Percent Owner:

3.0M shares1 transactions

$10.00M

2
AVPXL

Arch Venture Partners Xii, Llc

10 Percent Owner

3.0M shares1 transactions

$10.00M

3
AVPXL

Arch Venture Partners X, Llc

10 Percent Owner

3.0M shares1 transactions

$10.00M

4
G2GL

Gv 2021 Gp, L.L.C.

10 Percent Owner

1.5M shares1 transactions

$4.95M

5
LAL

Lee Ann L.

Officer: Chief Technical Officer

181.0K shares1 transactions

$731K

Top Sellers

No selling activity

Insider Activity Analysis

Net Insider Sentiment

Bullish

Strong bullish signal with $35.84M net buying. Insiders are aggressively accumulating shares, suggesting significant confidence in future prospects.

Buy/Sell Ratio

∞:1

Perfect buy/sell ratio. Only buying activity with zero selling—the most bullish possible insider signal.

Insider Participation

High Buying

5 insider buyers vs. 0 sellers. Broad-based buying across management team suggests widespread confidence.

Insider Activity Insight

Compelling insider conviction: The combination of strong buy/sell ratio and multiple buyers suggests insiders see attractive risk/reward. Consider this alongside fundamental analysis for confirmation.

SEC Filings

PRME - Filing history and reports

Filing TypeFiling DatePeriod EndingFiscal YearActions
DEF 14A

DEF 14A 2025

N/A

April 23, 2026
December 31, 2025
2025
DEF 14A

DEF 14A 2025

N/A

July 14, 2025
August 01, 2025
2025
DEF 14A

DEF 14A 2024

N/A

April 22, 2025
December 31, 2024
2024
DEF 14A

DEF 14A 2024

N/A

April 29, 2024
June 12, 2024
2024
DEF 14A

DEF 14A 2023

N/A

April 28, 2023
June 14, 2023
2023
Showing 1 to 5 of 5 filings