First Solar, Inc. (FSLR) has 20 known insider and institutional holders on record. The largest holder is Ahearn Michael J with 65,744 shares. Other notable holders include POST WILLIAM J and Hambro George A.
Over the last 12 months, insiders have made 60 transactions in FSLR stock — 20 buys (valued at RSU Award) and 25 sells (valued at $5.56M). Insider selling has exceeded buying during this period.
FSLR Insider Ownership
Top Holder
Ahearn Michael J
65,744 shares
Buys (12 mo)
20
$0.00 value
Sells (12 mo)
25
$5.56M value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Ahearn Michael J |
Director |
65,744 |
2026-04-01 |
|
| 2 |
Post William J |
Director |
27,162 |
2026-04-01 |
|
| 3 |
Hambro George A |
Director |
25,599 |
2024-07-01 |
|
| 4 |
Allen Sharon L. |
Director |
24,813 |
2022-07-01 |
|
| 5 |
Joseph Molly |
Director |
15,923 |
2025-04-01 |
|
| 6 |
Stebbins Paul H |
Director |
15,727 |
2026-04-01 |
|
| 7 |
Kennedy R Craig |
Director |
14,108 |
2024-07-01 |
|
| 8 |
Sweeney Michael T |
Director |
14,102 |
2026-04-01 |
|
| 9 |
George Anita M. |
Director |
5,015 |
2026-04-01 |
|
| 10 |
Widmar Mark R |
Chief Executive Officer |
4,856 |
2026-03-17 |
|
| 11 |
Wright Norman L. |
Director |
4,786 |
2026-04-01 |
|
| 12 |
Kro Lisa A |
Director |
4,376 |
2026-04-01 |
|
| 13 |
Hollister Kathryn A |
Director |
2,846 |
2022-07-01 |
|
| 14 |
Renduchintala Venkata S M |
Director |
1,910 |
2026-04-01 |
|
| 15 |
Bradley Alexander R. |
Chief Financial Officer |
1,440 |
2026-03-17 |
|
| 16 |
Chapman Richard D |
Director |
1,245 |
2024-07-01 |
|
| 17 |
Verma Kuntal Kumar |
Chief Manufacturing Officer |
907 |
2026-03-17 |
|
| 18 |
Gloeckler Markus |
Chief Technology Officer |
853 |
2026-03-17 |
|
| 19 |
Dymbort Jason E. |
General Counsel and Secretary |
853 |
2026-03-17 |
|
| 20 |
Stockdale Caroline |
Chief People and Comm. Officer |
800 |
2026-03-17 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-03-31 |
Wright Norman L. |
Director |
RSU Award |
267 |
- |
- |
| 2026-03-31 |
George Anita M. |
Director |
RSU Award |
267 |
- |
- |
| 2026-03-31 |
Renduchintala Venkata S M |
Director |
RSU Award |
267 |
- |
- |
| 2026-03-31 |
Kro Lisa A |
Director |
RSU Award |
267 |
- |
- |
| 2026-03-31 |
Ahearn Michael J |
Director |
RSU Award |
374 |
- |
- |
| 2026-03-31 |
Sweeney Michael T |
Director |
RSU Award |
267 |
- |
- |
| 2026-03-31 |
Stebbins Paul H |
Director |
RSU Award |
267 |
- |
- |
| 2026-03-31 |
Post William J |
Director |
RSU Award |
267 |
- |
- |
| 2026-03-16 |
Sloan Samantha L. |
EVP, Corporate Affairs |
Informative Sell |
120 |
$200.80 |
$24.1K |
| 2026-03-13 |
Sloan Samantha L. |
EVP, Corporate Affairs |
Option Exercise (Sell) |
280 |
- |
- |
| 2026-03-17 |
Theurer Nathan B. |
VP - Global Controller and CAO |
Informative Sell |
96 |
$199.53 |
$19.15K |
| 2026-03-16 |
Theurer Nathan B. |
VP - Global Controller and CAO |
Informative Sell |
35 |
$200.80 |
$7.03K |
| 2026-03-13 |
Theurer Nathan B. |
VP - Global Controller and CAO |
Option Exercise (Sell) |
131 |
- |
- |
| 2026-03-16 |
Koralewski Michael |
Chief Supply Chain Officer |
Informative Sell |
264 |
$200.80 |
$53.01K |
| 2026-03-13 |
Koralewski Michael |
Chief Supply Chain Officer |
Option Exercise (Sell) |
640 |
- |
- |
| 2026-03-17 |
Verma Kuntal Kumar |
Chief Manufacturing Officer |
Informative Sell |
180 |
$199.53 |
$35.92K |
| 2026-03-16 |
Verma Kuntal Kumar |
Chief Manufacturing Officer |
Informative Sell |
392 |
$200.80 |
$78.71K |
| 2026-03-13 |
Verma Kuntal Kumar |
Chief Manufacturing Officer |
Option Exercise (Sell) |
907 |
- |
- |
| 2026-03-16 |
Buehler Patrick James |
Chief Product Officer |
Informative Sell |
180 |
$200.80 |
$36.14K |
| 2026-03-13 |
Buehler Patrick James |
Chief Product Officer |
Option Exercise (Sell) |
427 |
- |
- |
| 2026-03-16 |
Gloeckler Markus |
Chief Technology Officer |
Informative Sell |
368 |
$200.80 |
$73.89K |
| 2026-03-13 |
Gloeckler Markus |
Chief Technology Officer |
Option Exercise (Sell) |
854 |
- |
- |
| 2026-03-17 |
Dymbort Jason E. |
General Counsel and Secretary |
Informative Sell |
9,022 |
$199.62 |
$1.8M |
| 2026-03-16 |
Dymbort Jason E. |
General Counsel and Secretary |
Informative Sell |
358 |
$200.80 |
$71.89K |
| 2026-03-13 |
Dymbort Jason E. |
General Counsel and Secretary |
Option Exercise (Sell) |
854 |
- |
- |