Stefan Constantin Ionel 4
4 · Amprius Technologies, Inc. · Filed Mar 6, 2026
Research Summary
AI-generated summary of this filing
Amprius (AMPX) CTO Stefan Ionel Receives 110,000-Share Award
What Happened
Stefan Constantin Ionel, Chief Technology Officer of Amprius Technologies, was granted 110,000 restricted stock units (RSUs) on March 4, 2026. The award was granted at $0.00 per share (no cash paid), so the immediate transaction value is reported as $0. These RSUs represent the right to receive shares of Amprius common stock subject to vesting.
Key Details
- Transaction date: 2026-03-04; Filing date (Form 4): 2026-03-06. Filing appears timely.
- Grant details: 110,000 RSUs granted at $0.00 per share (transaction value $0).
- Vesting (footnote F1): 1/16 of the award vests on May 20, 2026, then quarterly on Aug 20, Nov 20, Feb 20 and May 20 thereafter, with full vesting on Feb 20, 2030, subject to continued service.
- Additional holdings (footnote F2): the filing notes inclusion of 643,440 RSUs that represent contingent rights to receive shares under their own vesting schedules.
- Shares owned after transaction: not specified in the provided filing excerpt.
Context
This was an equity compensation grant (an award), not a purchase or sale—common for executive pay and retention. RSU grants vest over time and are not an immediate transfer of tradable shares; they generally become actual shares only as they vest (and may be subject to withholding for taxes). Awards like this are routine for executives and don’t by themselves indicate a buy/sell sentiment.
Insider Transaction Report
- Award
Common stock
[F1][F2]2026-03-04+110,000→ 833,330 total
Footnotes (2)
- [F1]The securities are represented by restricted stock units. Each restricted stock unit represents the reporting person's right to receive one share of the issuer's common stock. 1/16th of shares subject to award will vest on May 20, 2026 and quarterly thereafter on each August 20, November 20, February 20 and May 20, subject to the reporting person's continued service on each such date, until the award is fully vested on February 20, 2030.
- [F2]Includes 643,440 restricted stock units, each of which represents a contingent right to receive one share of the issuer's common stock, subject to the applicable vesting schedule and conditions of each restricted stock unit.