Koralewski Michael 4
4 · FIRST SOLAR, INC. · Filed Mar 17, 2026
Research Summary
AI-generated summary of this filing
First Solar (FSLR) Chief Supply Chain Officer M. Koralewski Sells 264 Shares
What Happened
Michael Koralewski, First Solar’s Chief Supply Chain Officer, had 640 restricted stock units vest on March 13, 2026 (converted to 640 shares) and the issuer withheld 640 shares to satisfy tax withholding. He also sold 264 shares in an open-market transaction on March 16, 2026 at $200.80 per share, generating approximately $53,011.
Key Details
- Transaction dates and prices:
- 2026-03-13: 640 RSUs vested → 640 shares issued (reported as exercise/conversion, $0.00 per share) (F1, F3, F4).
- 2026-03-13: 640 shares were disposed at $0.00 (issuer sale to satisfy tax withholding) (F2).
- 2026-03-16: Open-market sale of 264 shares at $200.80 each = $53,011 (S).
- Shares owned after transaction: Not specified in the provided filing.
- Footnotes: RSUs were granted on March 15, 2022 and vest 20% annually; the 640 shares represent 20% of that grant. The $0.00 disposal reflects issuer share withholding to cover taxes.
- Filing: Report filed 2026-03-17 for transactions occurring 2026-03-13 and 2026-03-16; filing appears timely (Form 4 is typically due within two business days).
Context
The 640-share conversion was an RSU vesting event (one RSU = one share). The simultaneous $0.00 disposition is a routine issuer sale to satisfy tax withholding, not a market sale. The separate 264-share open-market sale generated cash proceeds; sales by executives can be routine (taxes, diversification, liquidity) and do not by themselves indicate company outlook.
Insider Transaction Report
- Exercise/Conversion
Common Stock
[F1]2026-03-13+640→ 14,603 total - Sale
Common Stock
[F2]2026-03-16$200.80/sh−264$53,011→ 14,339 total - Exercise/Conversion
Restricted Stock Units
[F3][F4]2026-03-13−640→ 640 total→ Common Stock (640 underlying)
Footnotes (4)
- [F1]Represents shares of common stock issued upon vesting of 20% of the restricted stock units granted on March 15, 2022.
- [F2]Represents shares of common stock sold by the Issuer to satisfy certain tax withholding obligations with the vesting of the restricted stock units.
- [F3]Each restricted stock unit represents the right to receive, upon vesting, one share of the Issuer's common stock in accordance with the Issuer's 2020 Omnibus Incentive Compensation Plan.
- [F4]The restricted stock units were granted on March 15, 2022 as part of the Issuer's annual equity grant to executive officers. The restricted stock units granted on March 15, 2022 are scheduled to vest annually at a rate of 20% on each anniversary of the grant date, commencing on the first anniversary of the grant date.