Theurer Nathan B. 4
4 · FIRST SOLAR, INC. · Filed Mar 10, 2026
Research Summary
AI-generated summary of this filing
First Solar (FSLR) VP Nathan Theurer Sells 157 Shares; Receives RSUs
What Happened
Nathan B. Theurer, VP – Global Controller and Chief Accounting Officer of First Solar (FSLR), had restricted stock units (RSUs) vest on March 6, 2026 that converted into 481 shares of common stock (recorded as exercise/conversion of derivatives). The issuer sold 157 of those shares on March 9, 2026 at $190.36 each for proceeds of $29,887 to satisfy tax-withholding obligations. The filing also shows a grant of 635 new RSUs on March 6, 2026 as part of the company's annual equity awards.
Key Details
- Transaction dates and prices:
- Mar 6, 2026: 481 shares issued on vesting (conversion of RSUs) — recorded at $0 acquisition cost (derivative conversion).
- Mar 6, 2026: Grant of 635 RSUs (new award) — $0 reported (restricted units).
- Mar 9, 2026: 157 shares sold in transactions at $190.36 each for proceeds totaling $29,887 (sales to satisfy taxes).
- Shares owned after transaction: Not specified in the filing.
- Notable footnotes:
- The 481 shares reflect vesting/conversion of previously granted RSUs from various grant years (see footnotes F1–F4).
- The sales (F5) represent shares sold by the issuer to satisfy tax withholding on vesting.
- The 635-share award was granted Mar 6, 2026 and vests annually (25% per year) per the company’s omnibus plan (F11, F6).
- Filing date: Reported on Form 4 filed March 10, 2026, covering transactions on March 6 and March 9.
Context
- These filings reflect routine equity compensation activity: RSUs vesting, new RSU awards, and shares sold to cover tax withholding. Such sales are common and do not necessarily signal the insider’s market view.
- The derivative code "M" here indicates conversion/exercise of restricted units into common shares rather than an option purchase for cash. The immediate sale of some shares to cover taxes is a cashless/tax-withholding action by the issuer.
Insider Transaction Report
Form 4
Theurer Nathan B.
VP - Global Controller and CAO
Transactions
- Exercise/Conversion
Common Stock
[F1]2026-03-06+133→ 133 total - Exercise/Conversion
Common Stock
[F2]2026-03-06+82→ 215 total - Exercise/Conversion
Common Stock
[F3]2026-03-06+95→ 310 total - Exercise/Conversion
Common Stock
[F4]2026-03-06+171→ 481 total - Sale
Common Stock
[F5]2026-03-09$190.36/sh−43$8,185→ 438 total - Sale
Common Stock
[F5]2026-03-09$190.36/sh−27$5,140→ 411 total - Sale
Common Stock
[F5]2026-03-09$190.36/sh−32$6,092→ 379 total - Sale
Common Stock
[F5]2026-03-09$190.36/sh−55$10,470→ 324 total - Exercise/Conversion
Restricted Stock Units
[F6][F7]2026-03-06−133→ 0 total→ Common Stock (133 underlying) - Exercise/Conversion
Restricted Stock Units
[F6][F8]2026-03-06−82→ 83 total→ Common Stock (82 underlying) - Exercise/Conversion
Restricted Stock Units
[F6][F9]2026-03-06−95→ 190 total→ Common Stock (95 underlying) - Exercise/Conversion
Restricted Stock Units
[F6][F10]2026-03-06−171→ 516 total→ Common Stock (171 underlying) - Award
Restricted Stock Units
[F6][F11]2026-03-06+635→ 635 total→ Common Stock (635 underlying)
Footnotes (11)
- [F1]Represents shares of common stock issued upon vesting of 20% of the restricted stock units granted on March 6, 2021.
- [F10]The restricted stock units were granted on March 6, 2025 as part of the Issuer's annual equity grant to executive officers. The restricted stock units granted on March 6, 2025 vest annually at a rate of 25% on each anniversary of the grant date, commencing on the first anniversary of the grant date.
- [F11]The restricted stock units were granted on March 6, 2026 as part of the Issuer's annual equity grant to executive officers. The restricted stock units granted on March 6, 2026 vest annually at a rate of 25% on each anniversary of the grant date, commencing on the first anniversary of the grant date.
- [F2]Represents shares of common stock issued upon vesting of 25% of the restricted stock units granted on March 6, 2023.
- [F3]Represents shares of common stock issued upon vesting of 25% of the restricted stock units granted on March 6, 2024.
- [F4]Represents shares of common stock issued upon vesting of 25% of the restricted stock units granted on March 6, 2025.
- [F5]Represents shares of common stock sold by the Issuer to satisfy certain tax withholding obligations with the vesting of the restricted stock units.
- [F6]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.
- [F7]The restricted stock units were granted on March 6, 2021 as part of the Issuer's annual equity grant to certain associates. The restricted stock units granted on March 6, 2021 vest annually at a rate of 20% on each anniversary of the grant date, commencing on the first anniversary of the grant date.
- [F8]The restricted stock units were granted on March 6, 2023 as part of the Issuer's annual equity grant to certain associates. The restricted stock units granted on March 6, 2023 vest annually at a rate of 25% on each anniversary of the grant date, commencing on the first anniversary of the grant date.
- [F9]The restricted stock units were granted on March 6, 2024 as part of the Issuer's annual equity grant to certain associates. The restricted stock units granted on March 6, 2024 vest annually at a rate of 25% on each anniversary of the grant date, commencing on the first anniversary of the grant date.
Signature
/s/ Jason E. Dymbort, attorney-in-fact|2026-03-10