Dudediligence.

First Solar, Inc

FSLRNASDAQ · Semiconductors & Related Devices
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Last 12 months

Sales planned on beside the trades reported on , and whether each names a .

Planned ·

$36.3M

74 notices · 169,411 sh

Dec 2025 to Oct 2026

Reported ·

$39.7M

155 sales · 0 buys

Oct 2025 to Jun 2026

The two figures cover different periods.

77 of 155 reported sales carry the 10b5-1 box. Together they are 0.16% of the shares on issue.

PLANNED · FORM 144Dec 2025 to Oct 2026REPORTED · FORM 4Oct 2025 to Jun 2026N2025DJ2026FMAMJJASO2026-10-01: Gloeckler Markus, Form 1442026-09-01: Gloeckler Markus, Form 1442026-08-17: Sloan Samantha L., Form 1442026-08-11: Dymbort Jason E., Form 1442026-08-04: Gloeckler Markus, Form 1442026-08-03: Gloeckler Markus, Form 1442026-08-03: Koralewski Michael, Form 1442026-06-02: Buehler Patrick James, Form 1442026-05-28: Stockdale Caroline, Form 1442026-05-26: Widmar Mark R, Form 1442026-05-22: Widmar Mark R, Form 1442026-05-21: Widmar Mark R, Form 1442026-05-21: Verma Kuntal Kumar, Form 1442026-05-13: Widmar Mark R, Form 1442026-05-13: Verma Kuntal Kumar, Form 1442026-05-11: Widmar Mark R, Form 1442026-05-11: Verma Kuntal Kumar, Form 1442026-05-06: Theurer Nathan B., Form 1442026-05-06: Dymbort Jason E., Form 1442026-05-06: Verma Kuntal Kumar, Form 1442026-05-05: Dymbort Jason E., Form 1442026-05-05: Stockdale Caroline, Form 1442026-05-05: Buehler Patrick James, Form 1442026-05-05: Gloeckler Markus, Form 1442026-05-05: Bradley Alexander R., Form 1442026-05-05: Sloan Samantha L., Form 1442026-05-05: Theurer Nathan B., Form 1442026-05-05: ANTOUN GEORGES, Form 1442026-05-05: Verma Kuntal Kumar, Form 1442026-05-05: Widmar Mark R, Form 1442026-05-05: Koralewski Michael, Form 1442026-04-15: Verma Kuntal Kumar, Form 1442026-03-17: Bradley Alexander R., Form 1442026-03-17: Theurer Nathan B., Form 1442026-03-17: Verma Kuntal Kumar, Form 1442026-03-17: Dymbort Jason E., Form 1442026-03-16: Bradley Alexander R., Form 1442026-03-16: Verma Kuntal Kumar, Form 1442026-03-16: Dymbort Jason E., Form 1442026-03-16: ANTOUN GEORGES, Form 1442026-03-16: Widmar Mark R, Form 1442026-03-16: Koralewski Michael, Form 1442026-03-16: Gloeckler Markus, Form 1442026-03-16: Theurer Nathan B., Form 1442026-03-16: Stockdale Caroline, Form 1442026-03-16: Sloan Samantha L., Form 1442026-03-16: Buehler Patrick James, Form 1442026-03-10: Verma Kuntal Kumar, Form 1442026-03-10: Theurer Nathan B., Form 1442026-03-09: Dymbort Jason E., Form 1442026-03-09: Sloan Samantha L., Form 1442026-03-09: Koralewski Michael, Form 1442026-03-09: Stockdale Caroline, Form 1442026-03-09: Buehler Patrick James, Form 1442026-03-09: Gloeckler Markus, Form 1442026-03-09: Bradley Alexander R., Form 1442026-03-09: Theurer Nathan B., Form 1442026-03-09: ANTOUN GEORGES, Form 1442026-03-09: Widmar Mark R, Form 1442026-03-09: Verma Kuntal Kumar, Form 1442026-03-04: Verma Kuntal Kumar, Form 1442026-03-04: Gloeckler Markus, Form 1442026-03-04: Theurer Nathan B., Form 1442026-03-03: ANTOUN GEORGES, Form 1442026-03-02: Theurer Nathan B., Form 1442026-03-02: Gloeckler Markus, Form 1442026-03-02: Sloan Samantha L., Form 1442026-03-02: Widmar Mark R, Form 1442026-03-02: Buehler Patrick James, Form 1442026-03-02: Koralewski Michael, Form 1442026-03-02: Verma Kuntal Kumar, Form 1442026-03-02: Bradley Alexander R., Form 1442026-03-02: Dymbort Jason E., Form 1442026-03-02: Stockdale Caroline, Form 1442025-11-04: ANTOUN GEORGES, sold2025-11-06: Sweeney Michael T, sold2025-11-07: STEBBINS PAUL H, sold2026-03-03: ANTOUN GEORGES, sold2026-03-03: Stockdale Caroline, sold2026-03-03: Widmar Mark R, sold2026-03-03: Dymbort Jason E., sold2026-03-03: Verma Kuntal Kumar, sold2026-03-03: Theurer Nathan B., sold2026-03-03: Gloeckler Markus, sold2026-03-03: Koralewski Michael, sold2026-03-03: Sloan Samantha L., sold2026-03-03: Buehler Patrick James, sold2026-03-03: Bradley Alexander R., sold2026-03-04: Gloeckler Markus, sold2026-03-04: Verma Kuntal Kumar, sold2026-03-04: Theurer Nathan B., sold2026-03-09: Widmar Mark R, sold2026-03-09: Verma Kuntal Kumar, sold2026-03-09: Theurer Nathan B., sold2026-03-09: Stockdale Caroline, sold2026-03-09: Sloan Samantha L., sold2026-03-09: Koralewski Michael, sold2026-03-09: Gloeckler Markus, sold2026-03-09: Dymbort Jason E., sold2026-03-09: Buehler Patrick James, sold2026-03-09: Bradley Alexander R., sold2026-03-09: ANTOUN GEORGES, sold2026-03-10: Theurer Nathan B., sold2026-03-10: Verma Kuntal Kumar, sold2026-03-16: ANTOUN GEORGES, sold2026-03-16: Bradley Alexander R., sold2026-03-16: Buehler Patrick James, sold2026-03-16: Dymbort Jason E., sold2026-03-16: Gloeckler Markus, sold2026-03-16: Koralewski Michael, sold2026-03-16: Sloan Samantha L., sold2026-03-16: Stockdale Caroline, sold2026-03-16: Theurer Nathan B., sold2026-03-16: Verma Kuntal Kumar, sold2026-03-16: Widmar Mark R, sold2026-04-15: Verma Kuntal Kumar, sold2026-05-05: Widmar Mark R, sold2026-05-05: Verma Kuntal Kumar, sold2026-05-05: Theurer Nathan B., sold2026-05-05: Stockdale Caroline, sold2026-05-05: Sloan Samantha L., sold2026-05-05: Gloeckler Markus, sold2026-05-05: Dymbort Jason E., sold2026-05-05: Buehler Patrick James, sold2026-05-05: Koralewski Michael, sold2026-05-05: Bradley Alexander R., sold2026-05-05: ANTOUN GEORGES, sold2026-05-06: Dymbort Jason E., sold2026-05-06: Theurer Nathan B., sold2026-05-06: Verma Kuntal Kumar, sold2026-05-11: Verma Kuntal Kumar, sold2026-05-11: Widmar Mark R, sold2026-05-21: Widmar Mark R, sold2026-05-21: Verma Kuntal Kumar, sold2026-05-22: Widmar Mark R, sold2026-05-28: Stockdale Caroline, sold2026-06-02: Buehler Patrick James, sold
under a no plan named▼ salesize is dollars

Form 144 notices, newest first

2026-10-01Gloeckler Markus, Chief Technology Officer$139,200
800 shplan 2026-05-04Form 4s on file end Jun 23144 ↗
2026-09-01Gloeckler Markus, Chief Technology Officer$160,000
800 shplan 2026-05-04Form 4s on file end Jun 23144 ↗
2026-08-17Sloan Samantha L., EVP, Corporate Affairs$28,314
127 shno plan dateForm 4s on file end Jun 23144 ↗
2026-08-11Dymbort Jason E., General Counsel and Secretary$922,706
3,700 shplan 2026-05-12Form 4s on file end Jun 23144 ↗
2026-08-04Gloeckler Markus, Chief Technology Officer$205,592
829 shplan 2026-05-04Form 4s on file end Jun 23144 ↗
2026-08-03Gloeckler Markus, Chief Technology Officer$749,903
3,425 shplan 2026-05-04Form 4s on file end Jun 23144 ↗
2026-08-03Koralewski Michael, Chief Supply Chain Officer$1,550,570
7,000 shplan 2026-05-04Form 4s on file end Jun 23144 ↗
2026-06-02Buehler Patrick James, Chief Product Officer$906,000
3,000 shplan 2026-03-04144 ↗
Form 4, 2026-06-03: sold 3,000 at $302.00 Form 4 ↗
2026-05-28Stockdale Caroline, Chief People and Comm. Officer$2,929,077
10,628 shplan 2026-02-27144 ↗
Form 4, 2026-06-01: sold 10,628 at $275.60 Form 4 ↗
2026-05-26Widmar Mark R, Chief Executive Officer$1,397,347
5,195 shplan 2025-11-06Form 4s on file end Jun 23144 ↗
2026-05-22Widmar Mark R, Chief Executive Officer$502,458
1,977 shplan 2025-11-06144 ↗
Form 4, 2026-05-27: sold 7,172 at $264.89 Form 4 ↗
2026-05-21Widmar Mark R, Chief Executive Officer$1,191,358
4,815 shplan 2025-11-06144 ↗
Form 4, 2026-05-22: sold 4,815 at $247.43 Form 4 ↗
2026-05-21Verma Kuntal Kumar, Chief Manufacturing Officer$145,500
582 shplan 2025-11-26144 ↗
Form 4, 2026-05-22: sold 582 at $250.00 Form 4 ↗
2026-05-13Widmar Mark R, Chief Executive Officer$312,031
1,300 shplan 2025-11-06Form 4s on file end Jun 23144 ↗
2026-05-13Verma Kuntal Kumar, Chief Manufacturing Officer$349,200
1,455 shplan 2025-11-26Form 4s on file end Jun 23144 ↗
2026-05-11Widmar Mark R, Chief Executive Officer$2,314,876
9,926 shplan 2025-11-06144 ↗
Form 4, 2026-05-13: sold 11,226 at $234.00 Form 4 ↗
2026-05-11Verma Kuntal Kumar, Chief Manufacturing Officer$500,360
2,216 shplan 2025-11-26144 ↗
Form 4, 2026-05-13: sold 3,671 at $231.42 Form 4 ↗
2026-05-06Theurer Nathan B., VP - Global Controller and CAO$6,763
31 shplan 2025-05-15144 ↗
Form 4, 2026-05-08: sold 31 at $218.16 Form 4 ↗
2026-05-06Dymbort Jason E., General Counsel and Secretary$49,740
228 shplan 2025-11-13144 ↗
Form 4, 2026-05-08: sold 228 at $218.16 Form 4 ↗
2026-05-06Verma Kuntal Kumar, Chief Manufacturing Officer$58,903
270 shplan 2025-11-26144 ↗
Form 4, 2026-05-08: sold 270 at $218.16 Form 4 ↗
2026-05-05Dymbort Jason E., General Counsel and Secretary$88,194
409 shno plan date144 ↗
Form 4, 2026-05-05: sold 409 at $215.63 Form 4 ↗
2026-05-05Stockdale Caroline, Chief People and Comm. Officer$56,496
262 shno plan date144 ↗
Form 4, 2026-05-05: sold 262 at $215.63 Form 4 ↗
2026-05-05Buehler Patrick James, Chief Product Officer$50,674
235 shno plan date144 ↗
Form 4, 2026-05-05: sold 235 at $215.63 Form 4 ↗
2026-05-05Gloeckler Markus, Chief Technology Officer$90,566
420 shno plan date144 ↗
Form 4, 2026-05-05: sold 420 at $215.63 Form 4 ↗
2026-05-05Bradley Alexander R., Chief Financial Officer$107,386
498 shno plan date144 ↗
Form 4, 2026-05-05: sold 498 at $215.63 Form 4 ↗
2026-05-05Sloan Samantha L., EVP, Corporate Affairs$4,097
19 shno plan date144 ↗
Form 4, 2026-05-05: sold 19 at $215.63 Form 4 ↗
2026-05-05Theurer Nathan B., VP - Global Controller and CAO$2,803
13 shno plan date144 ↗
Form 4, 2026-05-05: sold 13 at $215.63 Form 4 ↗
2026-05-05ANTOUN GEORGES, Chief Commercial Officer$122,049
566 shno plan date144 ↗
Form 4, 2026-05-05: sold 566 at $215.63 Form 4 ↗
2026-05-05Verma Kuntal Kumar, Chief Manufacturing Officer$103,289
479 shno plan date144 ↗
Form 4, 2026-05-05: sold 479 at $215.63 Form 4 ↗
2026-05-05Widmar Mark R, Chief Executive Officer$329,058
1,526 shno plan date144 ↗
Form 4, 2026-05-05: sold 1,526 at $215.63 Form 4 ↗
2026-05-05Koralewski Michael, Chief Supply Chain Officer$46,361
215 shno plan date144 ↗
Form 4, 2026-05-05: sold 215 at $215.63 Form 4 ↗
2026-04-15Verma Kuntal Kumar, Chief Manufacturing Officer$120,330
573 shplan 2025-11-26144 ↗
Form 4, 2026-04-16: sold 573 at $210.00 Form 4 ↗
2026-03-17Bradley Alexander R., Chief Financial Officer$2,820,729
14,106 shplan 2025-11-06no Form 4 on file144 ↗
2026-03-17Theurer Nathan B., VP - Global Controller and CAO$19,155
96 shplan 2025-05-15no Form 4 on file144 ↗
2026-03-17Verma Kuntal Kumar, Chief Manufacturing Officer$35,915
180 shplan 2025-11-26no Form 4 on file144 ↗
2026-03-17Dymbort Jason E., General Counsel and Secretary$1,800,982
9,022 shplan 2025-11-13no Form 4 on file144 ↗
2026-03-16Bradley Alexander R., Chief Financial Officer$118,473
590 sh10b5-1 plan144 ↗
Form 4, 2026-03-17: sold 14,696 at $200.00 Form 4 ↗
2026-03-16Verma Kuntal Kumar, Chief Manufacturing Officer$78,714
392 sh10b5-1 plan144 ↗
Form 4, 2026-03-17: sold 572 at $200.40 Form 4 ↗
2026-03-16Dymbort Jason E., General Counsel and Secretary$71,887
358 sh10b5-1 plan144 ↗
Form 4, 2026-03-17: sold 9,380 at $199.67 Form 4 ↗
2026-03-16ANTOUN GEORGES, Chief Commercial Officer$49,196
245 shno plan date144 ↗
Form 4, 2026-03-17: sold 245 at $200.80 Form 4 ↗
2026-03-16Widmar Mark R, Chief Executive Officer$388,953
1,937 shno plan date144 ↗
Form 4, 2026-03-17: sold 1,937 at $200.80 Form 4 ↗
2026-03-16Koralewski Michael, Chief Supply Chain Officer$53,012
264 shno plan date144 ↗
Form 4, 2026-03-17: sold 264 at $200.80 Form 4 ↗
2026-03-16Gloeckler Markus, Chief Technology Officer$73,895
368 shno plan date144 ↗
Form 4, 2026-03-17: sold 368 at $200.80 Form 4 ↗
2026-03-16Theurer Nathan B., VP - Global Controller and CAO$7,028
35 sh10b5-1 plan144 ↗
Form 4, 2026-03-17: sold 131 at $199.87 Form 4 ↗
2026-03-16Stockdale Caroline, Chief People and Comm. Officer$67,269
335 shno plan date144 ↗
Form 4, 2026-03-17: sold 335 at $200.80 Form 4 ↗
2026-03-16Sloan Samantha L., EVP, Corporate Affairs$24,096
120 shno plan date144 ↗
Form 4, 2026-03-17: sold 120 at $200.80 Form 4 ↗
2026-03-16Buehler Patrick James, Chief Product Officer$36,144
180 shno plan date144 ↗
Form 4, 2026-03-17: sold 180 at $200.80 Form 4 ↗
2026-03-10Verma Kuntal Kumar, Chief Manufacturing Officer$79,846
408 shplan 2025-11-26144 ↗
Form 4, 2026-03-11: sold 408 at $195.70 Form 4 ↗
2026-03-10Theurer Nathan B., VP - Global Controller and CAO$63,407
324 shplan 2025-05-15144 ↗
Form 4, 2026-03-11: sold 324 at $195.70 Form 4 ↗
2026-03-09Dymbort Jason E., General Counsel and Secretary$248,426
1,305 shno plan date144 ↗
Form 4, 2026-03-10: sold 1,305 at $190.36 Form 4 ↗
2026-03-09Sloan Samantha L., EVP, Corporate Affairs$57,680
303 shno plan date144 ↗
Form 4, 2026-03-10: sold 303 at $190.36 Form 4 ↗
2026-03-09Koralewski Michael, Chief Supply Chain Officer$143,916
756 shno plan date144 ↗
Form 4, 2026-03-10: sold 756 at $190.36 Form 4 ↗
2026-03-09Stockdale Caroline, Chief People and Comm. Officer$198,169
1,041 shno plan date144 ↗
Form 4, 2026-03-10: sold 1,041 at $190.36 Form 4 ↗
2026-03-09Buehler Patrick James, Chief Product Officer$132,684
697 shno plan date144 ↗
Form 4, 2026-03-10: sold 697 at $190.36 Form 4 ↗
2026-03-09Gloeckler Markus, Chief Technology Officer$252,233
1,325 shno plan date144 ↗
Form 4, 2026-03-10: sold 1,325 at $190.36 Form 4 ↗
2026-03-09Bradley Alexander R., Chief Financial Officer$334,280
1,756 shno plan date144 ↗
Form 4, 2026-03-10: sold 1,756 at $190.36 Form 4 ↗
2026-03-09Theurer Nathan B., VP - Global Controller and CAO$29,887
157 shno plan date144 ↗
Form 4, 2026-03-10: sold 157 at $190.36 Form 4 ↗
2026-03-09ANTOUN GEORGES, Chief Commercial Officer$150,578
791 shno plan date144 ↗
Form 4, 2026-03-10: sold 791 at $190.36 Form 4 ↗
2026-03-09Widmar Mark R, Chief Executive Officer$1,054,048
5,537 shno plan date144 ↗
Form 4, 2026-03-10: sold 5,537 at $190.36 Form 4 ↗
2026-03-09Verma Kuntal Kumar, Chief Manufacturing Officer$263,845
1,386 shno plan date144 ↗
Form 4, 2026-03-10: sold 1,386 at $190.36 Form 4 ↗
2026-03-04Verma Kuntal Kumar, Chief Manufacturing Officer$143,380
728 shplan 2025-11-26144 ↗
Form 4, 2026-03-05: sold 728 at $196.95 Form 4 ↗
2026-03-04Gloeckler Markus, Chief Technology Officer$716,898
3,640 shplan 2025-11-10144 ↗
Form 4, 2026-03-05: sold 3,640 at $196.95 Form 4 ↗
2026-03-04Theurer Nathan B., VP - Global Controller and CAO$18,119
92 shplan 2025-05-15144 ↗
Form 4, 2026-03-05: sold 92 at $196.95 Form 4 ↗
2026-03-03ANTOUN GEORGES, Chief Commercial Officer$381,703
1,958 shno plan date144 ↗
Form 4, 2026-03-03: sold 1,958 at $194.95 Form 4 ↗
2026-03-02Theurer Nathan B., VP - Global Controller and CAO$27,627
141 shno plan date144 ↗
Form 4, 2026-03-03: sold 49 at $195.93 Form 4 ↗
2026-03-02Gloeckler Markus, Chief Technology Officer$1,384,269
7,065 shno plan date144 ↗
Form 4, 2026-03-03: sold 3,425 at $195.93 Form 4 ↗
2026-03-02Sloan Samantha L., EVP, Corporate Affairs$41,342
211 shno plan date144 ↗
Form 4, 2026-03-03: sold 111 at $195.93 Form 4 ↗
2026-03-02Widmar Mark R, Chief Executive Officer$3,460,968
17,664 shno plan date144 ↗
Form 4, 2026-03-03: sold 7,738 at $195.93 Form 4 ↗
2026-03-02Buehler Patrick James, Chief Product Officer$553,708
2,826 shno plan date144 ↗
Form 4, 2026-03-03: sold 1,361 at $195.93 Form 4 ↗
2026-03-02Koralewski Michael, Chief Supply Chain Officer$553,708
2,826 shno plan date144 ↗
Form 4, 2026-03-03: sold 1,330 at $195.93 Form 4 ↗
2026-03-02Verma Kuntal Kumar, Chief Manufacturing Officer$1,384,269
7,065 shno plan date144 ↗
Form 4, 2026-03-03: sold 3,426 at $195.93 Form 4 ↗
2026-03-02Bradley Alexander R., Chief Financial Officer$1,384,269
7,065 shno plan date144 ↗
Form 4, 2026-03-03: sold 3,194 at $195.93 Form 4 ↗
2026-03-02Dymbort Jason E., General Counsel and Secretary$1,384,269
7,065 shno plan date144 ↗
Form 4, 2026-03-03: sold 3,273 at $195.93 Form 4 ↗
2026-03-02Stockdale Caroline, Chief People and Comm. Officer$692,037
3,532 shno plan date144 ↗
Form 4, 2026-03-03: sold 1,650 at $195.93 Form 4 ↗