KORALEWSKI MICHAEL

PrivateCIK: 1819693
Location

PERRYSBURG, OH

KORALEWSKI MICHAEL (Chief Mfg. Operations Officer) sold 1.8% of their position (264.00 shares) of FIRST SOLAR, INC. on the open market

Open‑market sale worth $53.0K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderKORALEWSKI MICHAELCIK 1819693
IssuerFIRST SOLAR, INC.CIK 1274494
Officer· Chief Mfg. Operations Officer
Since Jul 2020
-264.00
Net shares
Net seller
$53.0K
Total sold
1
Open market trades
0B · 1S
3
Total transactions
640.00 acquired · 904.00 disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+640.00

Price / share

Trade value

% of position

4.6%
3/13/2026
13.96K14.60K

Common Stock

Direct
S · Sale

Shares

264.00

Price / share

$200.80

Trade value

$53.01K

% of position

1.8%
3/16/2026
14.60K14.34K
Total

Net shares

+376.00

Net value

-$53.01K

Derivative Transactions1

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

640.00 shares

Shares

640.00

Strike price

Held after

640.00

Exercisable

3/13/2026
KORALEWSKI MICHAEL — Insider Transaction (Form 4) Filed Mar 17, 2026 | Finecho