Derivative exercise or conversion — not an open-market buy.
Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell
View the official recordSEC Form 4 — Statement of Changes in Beneficial OwnershipAll the details
Dates, kept separate
Transaction date
Mar 13, 2026
Reporting period
Not applicable
Filed with the SEC
Mar 18, 2026
OfficerOption exercise
Context
Classification
option exercise
Code M — exercise or conversion of a derivative security
Planned / mechanical clue
Footnote references vesting of compensation awards
Only flagged when a footnote says so; never inferred
Source receipt
Record ID
0001274494-26-000078
Filed / recorded
Mar 18, 2026, 3:29 AM UTC
Added to OQRO
Oct 2, 2026, 12:27 PM UTC
Parser
form4-xml-v1
Data quality
Verified: identifiers matched exactly
Issuer
FIRST SOLAR, INC.
Issuer CIK
1274494
Ticker
FSLR
Reporting person
Michael Koralewski
Relationship
Officer
Officer title
Chief Supply Chain Officer
Security
Restricted Stock Units
Table
Derivative (Table II)
Transaction date
Mar 13, 2026
Transaction code
M
Shares / units
640
Price per share
$0.00
Acquired / disposed
Disposed (D)
Shares owned after
640
Ownership form
Direct
Amendment
No
Footnotes from the filing
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.
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.
