Michael Koralewski

CIK 1819693 · View on SEC EDGAR ↗

Insider

First SEC filing: Aug. 3, 2020 · Latest: Aug. 3, 2020

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Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.

Insider at

FSLR selling Aug. 3, 2026

Insider transactions

0 buys (P) 9 sells (S) Net: $-2,054,440 + 82 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

82 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Aug. 3, 2026	FSLR	S 10b5-1	3,500	$218.02	$763,070	11,142 Direct	-23.90%	Disposed	1.1% (price as of 2026-08-20)
Aug. 3, 2026	FSLR	S 10b5-1	3,500	$225.00	$787,500	7,642 Direct	-31.41%	Disposed	-2.0% (price as of 2026-08-20)
May 5, 2026	FSLR	S	215	$215.63	$46,360	14,642 Direct	-1.45%	Disposed	2.2% (price as of 2026-08-20)
May 4, 2026	FSLR	M	518	—	—	14,857 Direct	+3.61%	Acquired	(price as of 2026-08-20)
May 4, 2026	FSLR	M	518	—	—	1,556 Direct	-24.98%	Disposed	(price as of 2026-08-20)
March 16, 2026	FSLR	S	264	$200.80	$53,011	14,339 Direct	-1.81%	Disposed	9.8% (price as of 2026-08-20)
March 13, 2026	FSLR	M	640	—	—	14,603 Direct	+4.58%	Acquired	(price as of 2026-08-20)
March 13, 2026	FSLR	M	640	—	—	640 Direct	-50.00%	Disposed	(price as of 2026-08-20)
March 9, 2026	FSLR	S	265	$190.36	$50,445	14,454 Direct	-1.80%	Disposed	15.8% (price as of 2026-08-20)
March 9, 2026	FSLR	S	78	$190.36	$14,848	14,376 Direct	-0.54%	Disposed	15.8% (price as of 2026-08-20)
March 9, 2026	FSLR	S	180	$190.36	$34,265	14,196 Direct	-1.25%	Disposed	15.8% (price as of 2026-08-20)
March 9, 2026	FSLR	S	233	$190.36	$44,354	13,963 Direct	-1.64%	Disposed	15.8% (price as of 2026-08-20)
March 6, 2026	FSLR	M	651	—	—	13,516 Direct	+5.06%	Acquired	(price as of 2026-08-20)
March 6, 2026	FSLR	M	189	—	—	13,705 Direct	+1.40%	Acquired	(price as of 2026-08-20)
March 6, 2026	FSLR	M	442	—	—	14,147 Direct	+3.23%	Acquired	(price as of 2026-08-20)
March 6, 2026	FSLR	M	572	—	—	14,719 Direct	+4.04%	Acquired	(price as of 2026-08-20)
March 6, 2026	FSLR	M	651	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 6, 2026	FSLR	M	189	—	—	376 Direct	-33.45%	Disposed	(price as of 2026-08-20)
March 6, 2026	FSLR	M	442	—	—	884 Direct	-33.33%	Disposed	(price as of 2026-08-20)
March 6, 2026	FSLR	M	572	—	—	1,716 Direct	-25.00%	Disposed	(price as of 2026-08-20)
March 6, 2026	FSLR	A	1,903	—	—	1,903 Direct	—	Acquired	(price as of 2026-08-20)
March 3, 2026	FSLR	S	1,330	$195.93	$260,587	12,865 Direct	-9.37%	Disposed	12.5% (price as of 2026-08-20)
Feb. 27, 2026	FSLR	A	2,826	—	—	14,195 Direct	+24.86%	Acquired	(price as of 2026-08-20)
June 2, 2025	FSLR	S 10b5-1	2,951	$158.21	$466,878	11,369 Direct	-20.61%	Disposed	39.3% (price as of 2026-08-20)
May 1, 2025	FSLR	A	2,074	—	—	2,074 Direct	—	Acquired	(price as of 2026-08-20)
March 17, 2025	FSLR	S	273	$133.75	$36,514	14,320 Direct	-1.87%	Disposed	64.8% (price as of 2026-08-20)
March 14, 2025	FSLR	M	640	—	—	1,280 Direct	-33.33%	Disposed	(price as of 2026-08-20)
March 14, 2025	FSLR	M	640	—	—	14,593 Direct	+4.59%	Acquired	(price as of 2026-08-20)
March 7, 2025	FSLR	S	188	$132.96	$24,996	13,953 Direct	-1.33%	Disposed	65.8% (price as of 2026-08-20)
March 6, 2025	FSLR	A	2,288	—	—	2,288 Direct	—	Acquired	(price as of 2026-08-20)
March 6, 2025	FSLR	M	442	—	—	1,326 Direct	-25.00%	Disposed	(price as of 2026-08-20)
March 6, 2025	FSLR	M	189	—	—	565 Direct	-25.07%	Disposed	(price as of 2026-08-20)
March 6, 2025	FSLR	M	651	—	—	651 Direct	-50.00%	Disposed	(price as of 2026-08-20)
March 6, 2025	FSLR	M	442	—	—	14,141 Direct	+3.23%	Acquired	(price as of 2026-08-20)
March 6, 2025	FSLR	F	81	$131.13	$10,622	13,699 Direct	-0.59%	Disposed	68.1% (price as of 2026-08-20)
March 6, 2025	FSLR	M	189	—	—	13,780 Direct	+1.39%	Acquired	(price as of 2026-08-20)
March 6, 2025	FSLR	F	279	$131.13	$36,585	13,591 Direct	-2.01%	Disposed	68.1% (price as of 2026-08-20)
March 6, 2025	FSLR	M	651	—	—	13,870 Direct	+4.92%	Acquired	(price as of 2026-08-20)
Feb. 26, 2025	FSLR	F	4,151	$156.84	$651,043	13,219 Direct	-23.90%	Disposed	40.6% (price as of 2026-08-20)
Feb. 26, 2025	FSLR	A	9,604	—	—	17,370 Direct	+123.67%	Acquired	(price as of 2026-08-20)
May 30, 2024	FSLR	S 10b5-1	4,646	$272.92	$1,267,986	7,766 Direct	-37.43%	Disposed	-19.2% (price as of 2026-08-20)
March 15, 2024	FSLR	M	641	—	—	1,920 Direct	-25.03%	Disposed	(price as of 2026-08-20)
March 15, 2024	FSLR	F	275	$147.42	$40,540	12,412 Direct	-2.17%	Disposed	49.5% (price as of 2026-08-20)
March 15, 2024	FSLR	M	641	—	—	12,687 Direct	+5.32%	Acquired	(price as of 2026-08-20)
March 6, 2024	FSLR	A	1,768	—	—	1,768 Direct	—	Acquired	(price as of 2026-08-20)
March 6, 2024	FSLR	M	189	—	—	754 Direct	-20.04%	Disposed	(price as of 2026-08-20)
March 6, 2024	FSLR	M	651	—	—	1,302 Direct	-33.33%	Disposed	(price as of 2026-08-20)
March 6, 2024	FSLR	M	1,729	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 6, 2024	FSLR	F	81	$158.42	$12,832	12,046 Direct	-0.67%	Disposed	39.2% (price as of 2026-08-20)
March 6, 2024	FSLR	M	189	—	—	12,127 Direct	+1.58%	Acquired	(price as of 2026-08-20)
March 6, 2024	FSLR	F	279	$158.42	$44,199	11,938 Direct	-2.28%	Disposed	39.2% (price as of 2026-08-20)
March 6, 2024	FSLR	M	651	—	—	12,217 Direct	+5.63%	Acquired	(price as of 2026-08-20)
March 6, 2024	FSLR	F	741	$158.42	$117,389	11,566 Direct	-6.02%	Disposed	39.2% (price as of 2026-08-20)
March 6, 2024	FSLR	M	1,729	—	—	12,307 Direct	+16.35%	Acquired	(price as of 2026-08-20)
Feb. 29, 2024	FSLR	F	3,963	$153.89	$609,866	10,578 Direct	-27.25%	Disposed	43.2% (price as of 2026-08-20)
Feb. 29, 2024	FSLR	A	9,169	—	—	14,541 Direct	+170.68%	Acquired	(price as of 2026-08-20)
March 15, 2023	FSLR	M	641	—	—	2,561 Direct	-20.02%	Disposed	(price as of 2026-08-20)
March 15, 2023	FSLR	F	275	$203.22	$55,886	5,372 Direct	-4.87%	Disposed	8.5% (price as of 2026-08-20)
March 15, 2023	FSLR	M	641	—	—	5,647 Direct	+12.80%	Acquired	(price as of 2026-08-20)
March 6, 2023	FSLR	A	943	—	—	943 Direct	—	Acquired	(price as of 2026-08-20)
March 6, 2023	FSLR	M	652	—	—	1,953 Direct	-25.03%	Disposed	(price as of 2026-08-20)
March 6, 2023	FSLR	M	1,729	—	—	1,729 Direct	-50.00%	Disposed	(price as of 2026-08-20)
March 6, 2023	FSLR	M	1,460	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 6, 2023	FSLR	F	280	$212.30	$59,444	5,006 Direct	-5.30%	Disposed	3.8% (price as of 2026-08-20)
March 6, 2023	FSLR	M	652	—	—	5,286 Direct	+14.07%	Acquired	(price as of 2026-08-20)
March 6, 2023	FSLR	F	741	$212.30	$157,314	4,634 Direct	-13.79%	Disposed	3.8% (price as of 2026-08-20)
March 6, 2023	FSLR	M	1,729	—	—	5,375 Direct	+47.42%	Acquired	(price as of 2026-08-20)
March 6, 2023	FSLR	F	626	$212.30	$132,900	3,646 Direct	-14.65%	Disposed	3.8% (price as of 2026-08-20)
March 6, 2023	FSLR	M	1,460	—	—	4,272 Direct	+51.92%	Acquired	(price as of 2026-08-20)
March 2, 2023	FSLR	F	2,152	$195.68	$421,103	2,812 Direct	-43.35%	Disposed	12.7% (price as of 2026-08-20)
March 2, 2023	FSLR	A	4,964	—	—	4,964 Direct	—	Acquired	(price as of 2026-08-20)
July 29, 2022	FSLR	S 10b5-1	1,007	$100.00	$100,700	0 Direct	-100.00%	Disposed	120.4% (price as of 2026-08-20)
July 1, 2022	FSLR	S 10b5-1	1,822	$67.58	$123,131	1,007 Direct	-64.40%	Disposed	226.2% (price as of 2026-08-20)
March 15, 2022	FSLR	A	3,202	—	—	3,202 Direct	—	Acquired	(price as of 2026-08-20)
March 4, 2022	FSLR	M	652	—	—	2,605 Direct	-20.02%	Disposed	(price as of 2026-08-20)
March 4, 2022	FSLR	M	1,730	—	—	3,458 Direct	-33.35%	Disposed	(price as of 2026-08-20)
March 4, 2022	FSLR	M	1,460	—	—	1,460 Direct	-50.00%	Disposed	(price as of 2026-08-20)
March 4, 2022	FSLR	M	1,112	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 4, 2022	FSLR	F	280	$71.85	$20,118	2,829 Direct	-9.01%	Disposed	206.8% (price as of 2026-08-20)
March 4, 2022	FSLR	M	652	—	—	3,109 Direct	+26.54%	Acquired	(price as of 2026-08-20)
March 4, 2022	FSLR	F	742	$71.85	$53,313	2,457 Direct	-23.19%	Disposed	206.8% (price as of 2026-08-20)
March 4, 2022	FSLR	M	1,730	—	—	3,199 Direct	+117.77%	Acquired	(price as of 2026-08-20)
March 4, 2022	FSLR	F	626	$71.85	$44,978	1,469 Direct	-29.88%	Disposed	206.8% (price as of 2026-08-20)
March 4, 2022	FSLR	M	1,460	—	—	2,095 Direct	+229.92%	Acquired	(price as of 2026-08-20)
March 4, 2022	FSLR	F	477	$71.85	$34,272	635 Direct	-42.90%	Disposed	206.8% (price as of 2026-08-20)
March 4, 2022	FSLR	M	1,112	—	—	1,112 Direct	—	Acquired	(price as of 2026-08-20)
March 3, 2022	FSLR	S 10b5-1	2,239	$68.67	$153,752	0 Direct	-100.00%	Disposed	221.0% (price as of 2026-08-20)
March 2, 2022	FSLR	A	4,019	—	—	4,019 Direct	—	Acquired	(price as of 2026-08-20)
March 2, 2022	FSLR	F	1,780	$69.51	$123,728	2,239 Direct	-44.29%	Disposed	217.1% (price as of 2026-08-20)
March 9, 2021	FSLR	S 10b5-1	1,948	$75.00	$146,100	0 Direct	-100.00%	Disposed	193.9% (price as of 2026-08-20)
March 8, 2021	FSLR	S 10b5-1	1,822	$73.57	$134,045	1,948 Direct	-48.33%	Disposed	199.6% (price as of 2026-08-20)
March 7, 2021	FSLR	M	2,298	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 7, 2021	FSLR	F	985	$73.70	$72,594	3,770 Direct	-20.72%	Disposed	199.1% (price as of 2026-08-20)
March 7, 2021	FSLR	M	2,298	—	—	4,755 Direct	+93.53%	Acquired	(price as of 2026-08-20)
March 6, 2021	FSLR	A	3,257	—	—	3,257 Direct	—	Acquired	(price as of 2026-08-20)
March 6, 2021	FSLR	M	1,730	—	—	5,188 Direct	-25.01%	Disposed	(price as of 2026-08-20)
March 6, 2021	FSLR	M	1,460	—	—	2,920 Direct	-33.33%	Disposed	(price as of 2026-08-20)
March 6, 2021	FSLR	M	1,112	—	—	1,112 Direct	-50.00%	Disposed	(price as of 2026-08-20)
March 6, 2021	FSLR	F	742	$73.70	$54,685	2,457 Direct	-23.19%	Disposed	199.1% (price as of 2026-08-20)
March 6, 2021	FSLR	M	1,730	—	—	3,199 Direct	+117.77%	Acquired	(price as of 2026-08-20)

Showing latest 100 of 107 transactions

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
May 4, 2026	FSLR	Restricted Stock Units	Common Stock (518)	—	—	518	Disposed
March 13, 2026	FSLR	Restricted Stock Units	Common Stock (640)	—	—	640	Disposed
March 6, 2026	FSLR	Restricted Stock Units	Common Stock (651)	—	—	651	Disposed
March 6, 2026	FSLR	Restricted Stock Units	Common Stock (189)	—	—	189	Disposed
March 6, 2026	FSLR	Restricted Stock Units	Common Stock (442)	—	—	442	Disposed
March 6, 2026	FSLR	Restricted Stock Units	Common Stock (572)	—	—	572	Disposed
March 6, 2026	FSLR	Restricted Stock Units	Common Stock (1,903)	—	—	1,903	Acquired
May 1, 2025	FSLR	Restricted Stock Units	Common Stock (2,074)	—	—	2,074	Acquired
March 14, 2025	FSLR	Restricted Stock Units	Common Stock (640)	—	—	640	Disposed
March 6, 2025	FSLR	Restricted Stock Units	Common Stock (2,288)	—	—	2,288	Acquired
March 6, 2025	FSLR	Restricted Stock Units	Common Stock (442)	—	—	442	Disposed
March 6, 2025	FSLR	Restricted Stock Units	Common Stock (189)	—	—	189	Disposed
March 6, 2025	FSLR	Restricted Stock Units	Common Stock (651)	—	—	651	Disposed
March 15, 2024	FSLR	Restricted Stock Units	Common Stock (641)	—	—	641	Disposed
March 6, 2024	FSLR	Restricted Stock Units	Common Stock (1,768)	—	—	1,768	Acquired
March 6, 2024	FSLR	Restricted Stock Units	Common Stock (189)	—	—	189	Disposed
March 6, 2024	FSLR	Restricted Stock Units	Common Stock (651)	—	—	651	Disposed
March 6, 2024	FSLR	Restricted Stock Units	Common Stock (1,729)	—	—	1,729	Disposed
March 15, 2023	FSLR	Restricted Stock Units	Common Stock (641)	—	—	641	Disposed
March 6, 2023	FSLR	Restricted Stock Units	Common Stock (943)	—	—	943	Acquired
March 6, 2023	FSLR	Restricted Stock Units	Common Stock (652)	—	—	652	Disposed
March 6, 2023	FSLR	Restricted Stock Units	Common Stock (1,729)	—	—	1,729	Disposed
March 6, 2023	FSLR	Restricted Stock Units	Common Stock (1,460)	—	—	1,460	Disposed
March 15, 2022	FSLR	Restricted Stock Units	Common Stock (3,202)	—	—	3,202	Acquired
March 4, 2022	FSLR	Restricted Stock Units	Common Stock (652)	—	—	652	Disposed
March 4, 2022	FSLR	Restricted Stock Units	Common Stock (1,730)	—	—	1,730	Disposed
March 4, 2022	FSLR	Restricted Stock Units	Common Stock (1,460)	—	—	1,460	Disposed
March 4, 2022	FSLR	Restricted Stock Units	Common Stock (1,112)	—	—	1,112	Disposed
March 7, 2021	FSLR	Restricted Stock Units	Common Stock (2,298)	—	—	2,298	Disposed
March 6, 2021	FSLR	Restricted Stock Units	Common Stock (3,257)	—	—	3,257	Acquired
March 6, 2021	FSLR	Restricted Stock Units	Common Stock (1,730)	—	—	1,730	Disposed
March 6, 2021	FSLR	Restricted Stock Units	Common Stock (1,460)	—	—	1,460	Disposed
March 6, 2021	FSLR	Restricted Stock Units	Common Stock (1,112)	—	—	1,112	Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 4 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
Aug. 3, 2020	FSLR	Restricted Stock Units→ Common Stock (2,298)	2,298	Direct
Aug. 3, 2020	FSLR	Restricted Stock Units→ Common Stock (2,224)	2,224	Direct
Aug. 3, 2020	FSLR	Restricted Stock Units→ Common Stock (4,380)	4,380	Direct
Aug. 3, 2020	FSLR	Restricted Stock Units→ Common Stock (6,918)	6,918	Direct