Ambrx Biopharma Cayman, Inc.

AMAM

+55.6%

since IPO

IPO Price

$18.00

Current Price

$28.00

Return

+55.6%

Market Cap

N/A

IPO Date

Jun 18, 2021

Lockup End

Dec 15, 2021

Lockup Status

Lockup expired 1596days ago

Price Performance

Stock price vs IPO price over time (sample data)

Stock Price
IPO Price
Lockup End

Performance Summary

First Day
N/A
1 Month
N/A
3 Months
N/A
6 Months
N/A
1 Year
N/A
Since IPO
+55.6%

Ambrx Biopharma Cayman, Inc. (AMAM) — IPO Analysis

By Kian O Connor | Updated 4/29/2026

Company Overview

Ambrx Biopharma Cayman, Inc. (ticker: AMAM) operates in specialized business operations focused on market development and competitive positioning, establishing itself as a notable participant in the specialized sector. Established as a public company and positioned within the evolving market landscape, the company has developed its operations during a period of industry evolution, technological advancement, and market development and competitive market development. With substantial market capitalization in market value, Ambrx Biopharma Cayman, Inc. focuses on operational excellence, market focus, and strategic execution while building stakeholder value through strategic execution and market positioning. The company completed its initial public offering on June 18, 2021, pricing shares at $18.00 each during exceptional IPO market activity and strong growth investor appetite. The IPO received positive institutional support, reflecting market assessment of the company's positioning within the specialized sector and growth prospects. The offering positioned the company to access public capital markets while providing investors with exposure to its operations and strategic development. Market reception reflected investor evaluation of competitive advantages, market positioning, and execution capabilities as key factors in the company's long-term value creation potential. Post-IPO performance has demonstrated strong performance, with the stock currently trading at $28.00, representing a gain of +55.56% from the IPO price. This market execution and competitive positioning demonstrates continued investor confidence in the company's strategic execution within the specialized sector. The solid market acceptance indicates investor evaluation of market positioning, operational execution, and competitive development as critical factors in assessing competitive positioning and sustainable value creation capabilities. Looking ahead, Ambrx Biopharma Cayman, Inc.'s lockup period expired December 15, 2021. Given the company's positioning within the specialized sector and its performance trajectory since going public, the lockup expiration provided valuable insights into management and early investor confidence in strategic direction. The operational characteristics of companies focused on specialized business operations focused on market development and competitive positioning mean that insider decisions often reflect comprehensive assessments of market positioning, operational execution, and competitive development rather than short-term market fluctuations. The lockup milestone indicates management's confidence in executing strategic objectives and creating sustainable value through operational excellence, market focus, and strategic execution within the competitive market landscape.

Performance Overview

Since going public at $18.00 per share on Jun 18, 2021, Ambrx Biopharma Cayman, Inc. shares have gained 55.6%, rewarding investors who participated in the IPO. The stock currently trades at $28.00, giving the company a market capitalization of N/A.

Lockup Expiration

The lockup period for Ambrx Biopharma Cayman, Inc. expired 1596 days ago on Dec 15, 2021. Insiders and early investors are now free to sell their pre-IPO shares. The post-lockup trading period is often volatile as the market absorbs any additional supply from insider selling.

Industry Context

Ambrx Biopharma Cayman, Inc. operates in the sector, which has seen varied IPO activity in recent years. The company is headquartered in the United States and is classified under SIC code . Understanding the competitive landscape and sector dynamics is essential for evaluating the long-term prospects of any newly public company in this space. Investors should consider broader market conditions, sector-specific trends, and company fundamentals when assessing AMAM as an investment.

Trading History

Ambrx Biopharma Cayman, Inc. is actively trading in the public markets with a current share price of $28.00. The company went public at $18.00 per share, resulting in gains of 55.6% for IPO investors. With a current market capitalization of N/A, Ambrx Biopharma Cayman, Inc. continues to establish its presence as a publicly traded entity in the market.

Important Disclaimer

This analysis of Ambrx Biopharma Cayman, Inc. (AMAM) is provided for informational purposes only and should not be construed as investment advice. All data is sourced from SEC EDGAR filings and public market feeds. Past performance is not indicative of future results. Investors should conduct their own due diligence and consult with a qualified financial advisor before making investment decisions. IPOLockup.io is an independent research platform with no financial interest in any of the companies covered.

Insider Selling Activity

Estimated insider trading activity around lockup expiry period (sample data)

3
Pre-Expiry Average
Minimal
71
Expiry Day
High
59
Post-Expiry (30d)
High

Activity Heatmap

60 days before/after lockup expiry
Intensity Scale:
Minimal
Low
Moderate
High
Very High
Lockup Expiry

About This Data

This heatmap shows estimated insider selling activity based on typical patterns around lockup expiry periods. Actual data would be derived from SEC Form 4 filings. Higher intensity indicates more insider transactions, which may correlate with increased selling pressure and potential stock price volatility.

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