Form 4: Amprius CTO Granted 110,000 RSUs, Vesting Through 2030

Amprius Technologies' Chief Technology Officer, Stefan Constantin Ionel, was granted 110,000 restricted stock units, vesting quarterly through February 2030.

Summary

• Stefan Constantin Ionel, Chief Technology Officer of Amprius Technologies, Inc. (AMPX), acquired 110,000 restricted stock units (RSUs) on March 4, 2026.
• Each restricted stock unit represents the right to receive one share of Amprius Technologies' common stock.
• The RSUs will vest in installments, with 1/16th of the shares vesting on May 20, 2026, and subsequent 1/16th portions vesting quarterly thereafter on August 20, November 20, February 20, and May 20.
• The full award is scheduled to be vested by February 20, 2030, contingent upon Mr. Ionel's continued service to the company.
• Following this transaction, Mr. Ionel beneficially owns 833,330 shares, which includes 643,440 restricted stock units subject to their respective vesting schedules and conditions.

Sentiment

Score: 7

Explanation: StockSavvy.ai views this as a moderately positive development, as it signifies the company's commitment to retaining key executive talent and aligning management incentives with long-term shareholder value through equity compensation.

Positives

• The grant of restricted stock units aligns the Chief Technology Officer's long-term interests with those of shareholders, incentivizing sustained performance and retention.
• The multi-year vesting schedule promotes executive stability and commitment to the company's future strategic goals.

Future Outlook

The vesting schedule for the restricted stock units extends through February 2030, indicating an expectation of continued service from the Chief Technology Officer, which supports long-term strategic continuity.

Industry Context

StockSavvy.ai notes that the grant of restricted stock units with a multi-year vesting schedule is a common and effective executive compensation strategy within the technology sector. This practice is widely adopted by companies like Tesla, QuantumScape, and Solid Power, which also operate in advanced battery technologies, to retain key talent and align management incentives with long-term shareholder value creation.

Comparison to Industry Standards

• The RSU grant structure, with quarterly vesting over several years, is consistent with compensation practices observed in comparable high-growth technology companies, particularly those in the advanced materials and battery development space.
• Companies such as QuantumScape (QS) and Solid Power (SLDP) frequently utilize similar long-term equity incentives to retain critical engineering and executive talent, ensuring their commitment to multi-year development cycles and commercialization efforts.

Stakeholder Impact

• Shareholders: The RSU grant aligns the CTO's financial interests with long-term shareholder value, potentially leading to more stable and strategic decision-making.
• Employees: Retention of key executives like the CTO can signal stability and a clear strategic direction, which can positively impact employee morale and confidence.
• Management: The grant provides a significant long-term incentive for the CTO, enhancing retention and motivation.

Next Steps

• Stefan Constantin Ionel's continued service to Amprius Technologies, Inc. is required for the restricted stock units to vest according to the established schedule.

Key Dates

Recommendation

This Form 4 reports a routine equity grant to a key executive, which is a positive for long-term alignment and retention but does not provide new information to alter an investment thesis based on company fundamentals or warrant a change in stock recommendation.

Keywords

Amprius Technologies, AMPX, Restricted Stock Units, RSU, Insider Transaction, Executive Compensation, Stefan Constantin Ionel, CTO, Equity Grant