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United States Semiconductors & Semiconductor Equipment

Skywater Technology Inc (SKYT)

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Over the last 90 days, Skywater Technology Inc. has seen significant insider selling, with a net value of -$2,266,187.56. Executives were the primary sellers, with a net value of -$2,266,187.56. There were no insider purchases during this period. The company's stock has performed strongly, with a 31.4% increase in the last 90 days.
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Ticker: SKYT Exchange: NAS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Manko Steve
CFO
1 sale — total 2,630,625 USD
Planned sale 11 May 2026
Value US$1,057,135.85 | Price 259.58 | Shares 28,353
Planned sale 14 Apr 2026
Value US$3,363,121.13 | Price 412.18 | Shares 95,907
Sale 16 Mar 2026
Value US$2,266,187.56 | Price 27.84 | Shares 81,401
Planned sale 16 Mar 2026
Value US$270,270.72 | Price 27.84 | Shares 9,708
Proposed sale 16 Mar 2026
Value US$7,373,509.00 | Price 27.45 | Shares 268,616
Sale 26 Nov 2025
Value US$1,454,310.00 | Price 14.54 | Shares 100,000
Sale 24 Nov 2025
Value US$1,452,670.00 | Price 14.53 | Shares 100,000
Sale 21 Nov 2025
Value US$1,412,640.00 | Price 14.13 | Shares 100,000
Sale 21 Nov 2025
Value US$69,715.01 | Price 13.38 | Shares 5,210
Proposed sale 21 Nov 2025
Value US$69,714.07 | Price 13.38 | Shares 5,210
Sale 18 Nov 2025
Value US$157,064.51 | Price 16.26 | Shares 9,662
Sale 17 Nov 2025
Value US$209,412.00 | Price 17.45 | Shares 12,000
Sale 14 Nov 2025
Value US$88,519.00 | Price 17.00 | Shares 5,207
Sale 14 Nov 2025
Value US$869,900.00 | Price 17.40 | Shares 50,000
Proposed sale 14 Nov 2025
Value US$869,884.00 | Price 17.40 | Shares 50,000
Proposed sale 14 Nov 2025
Value US$88,519.00 | Price 17.00 | Shares 5,207
Sale 13 Nov 2025
Value US$45,203.84 | Price 20.55 | Shares 2,200
Proposed sale 13 Nov 2025
Value US$21,390,000.00 | Price 21.39 | Shares 1,000,000
Planned sale 26 Sep 2025
Value US$2,169,308.14 | Price 18.02 | Shares 120,370
Planned sale 26 Sep 2025
Value US$1,058,424.60 | Price 17.40 | Shares 60,829
Proposed sale 26 Sep 2025
Value US$1,058,493.95 | Price 17.40 | Shares 60,829
Proposed sale 26 Sep 2025
Value US$2,166,660.00 | Price 18.00 | Shares 120,370
Planned sale 22 Sep 2025
Value US$656,298.02 | Price 15.13 | Shares 43,383
Proposed sale 22 Sep 2025
Value US$656,302.22 | Price 15.13 | Shares 43,383
Sale 19 Sep 2025
Value US$1,686,276.00 | Price 14.05 | Shares 120,000
Proposed sale 18 Sep 2025
Value US$3,120,000.00 | Price 13.00 | Shares 240,000
Proposed sale 18 Sep 2025
Value US$3,120,000.00 | Price 13.00 | Shares 240,000
Sale 18 Sep 2025
Value US$612,872.92 | Price 13.59 | Shares 45,100
Sale 18 Sep 2025
Value US$959,124.46 | Price 12.81 | Shares 74,900
Sale 12 Sep 2025
Value US$1,978,937.77 | Price 10.47 | Shares 188,976
Planned sale 11 Sep 2025
Value US$2,390,100.84 | Price 10.44 | Shares 229,029
Sale 10 Sep 2025
Value US$46,754.98 | Price 10.64 | Shares 4,396
Sale 10 Sep 2025
Value US$88,395.90 | Price 10.58 | Shares 8,355
Proposed sale 10 Sep 2025
Value US$88,392.86 | Price 10.58 | Shares 8,355
Sale 9 Sep 2025
Value US$67,582.20 | Price 10.87 | Shares 6,218
Sale 29 Aug 2025
Value US$734,132.20 | Price 12.08 | Shares 60,767
Sale 28 Aug 2025
Value US$3,832,229.14 | Price 12.28 | Shares 311,959
Sale 27 Aug 2025
Value US$2,276,744.02 | Price 12.11 | Shares 188,041
Proposed sale 27 Aug 2025
Value US$12,000,000.00 | Price 12.00 | Shares 1,000,000
Sale 26 Aug 2025
Value US$9,126,533.37 | Price 12.06 | Shares 756,516
Proposed sale 25 Aug 2025
Value US$11,840,000.00 | Price 11.84 | Shares 1,000,000
Sale 25 Aug 2025
Value US$2,878,029.58 | Price 11.82 | Shares 243,484
Sale 22 Aug 2025
Value US$3,365,397.58 | Price 11.50 | Shares 292,628
Sale 21 Aug 2025
Value US$424,012.75 | Price 11.16 | Shares 37,979
Sale 18 Aug 2025
Value US$1,138,338.71 | Price 11.62 | Shares 97,957
Sale 15 Aug 2025
Value US$65,395.56 | Price 11.51 | Shares 5,684
Sale 14 Aug 2025
Value US$2,564,417.00 | Price 11.80 | Shares 217,329
Sale 13 Aug 2025
Value US$305,266.51 | Price 12.24 | Shares 24,936
Sale 13 Aug 2025
Value US$3,559,370.41 | Price 12.38 | Shares 287,454
Proposed sale 13 Aug 2025
Value US$305,261.33 | Price 12.24 | Shares 24,936
Sale 12 Aug 2025
Value US$4,439,311.41 | Price 12.84 | Shares 345,765
Proposed sale 12 Aug 2025
Value US$13,550,000.00 | Price 13.55 | Shares 1,000,000
Planned sale 8 Aug 2025
Value US$515,524.59 | Price 13.62 | Shares 37,845
Proposed sale 8 Aug 2025
Value US$515,535.94 | Price 13.62 | Shares 37,845
Planned sale 26 Jun 2025
Value US$150,193.28 | Price 10.04 | Shares 14,958
Proposed sale 26 Jun 2025
Value US$141,801.84 | Price 9.48 | Shares 14,958
Sale 12 Jun 2025
Value US$8,214.03 | Price 9.13 | Shares 900
Sale 11 Jun 2025
Value US$635,824.35 | Price 9.44 | Shares 67,345
Sale 10 Jun 2025
Value US$314,900.68 | Price 9.36 | Shares 33,640
Sale 9 Jun 2025
Value US$160,326.13 | Price 9.36 | Shares 17,136
Sale 6 Jun 2025
Value US$29,396.40 | Price 9.35 | Shares 3,144
Sale 4 Jun 2025
Value US$56,230.50 | Price 9.50 | Shares 5,919
Sale 29 May 2025
Value US$1,900.00 | Price 9.50 | Shares 200
Sale 28 May 2025
Value US$819,593.50 | Price 9.50 | Shares 86,273
Sale 27 May 2025
Value US$3,493,978.84 | Price 9.54 | Shares 366,418
Sale 22 May 2025
Value US$1,261,092.78 | Price 9.41 | Shares 134,049
Proposed sale 22 May 2025
Value US$9,400,000.00 | Price 9.40 | Shares 1,000,000
Sale 14 Mar 2025
Value US$181,535.62 | Price 8.22 | Shares 22,090
Sale 14 Mar 2025
Value US$11,580,425.40 | Price 8.20 | Shares 1,412,247
Proposed sale 14 Mar 2025
Value US$171,418.00 | Price 7.76 | Shares 22,090
Sale 14 Mar 2025
Value US$104,164.84 | Price 8.11 | Shares 12,844
Proposed sale 14 Mar 2025
Value US$102,366.00 | Price 7.97 | Shares 12,844
Proposed sale 14 Mar 2025
Value US$11,079,464.00 | Price 7.76 | Shares 1,427,766
Sale 6 Mar 2025
Value US$32,353.20 | Price 8.51 | Shares 3,800
Sale 5 Mar 2025
Value US$737,425.70 | Price 8.51 | Shares 86,653
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-05-13 2026-05-11 PlS Planned sale
3.4
Manko Steve

CFO

Officer
28,353 -14.7%
259.58
US$1,057,136 		28,353 -14.7% 259.58 US$1,057,136
2026-04-16 2026-04-14 PlS Planned sale
3.4
Manko Steve

CFO

Officer
95,907 +49.6%
412.18
US$3,363,121 		95,907 +49.6% 412.18 US$3,363,121
2026-03-18 2026-03-16 S Sale
3.4
Manko Steve

CFO

Officer
31,779 -42.4%
16.39
US$2,688,015 		31,779 -42.4% 16.39 US$2,688,015
2026-03-18 2026-03-16 PlS Planned sale
3.4
Manko Steve

CFO

Officer
9,708 -3.2%
27.84
US$270,271 		9,708 -3.2% 27.84 US$270,271
2026-03-16 2026-03-16 PrS Proposed sale
3.4
Steve Manko

Officer

Officer
268,616
27.45
US$7,373,509 		268,616 27.45 US$7,373,509
2025-12-01 2025-11-26 S Sale
2.7
Unterseher Loren A
Non-Executive Director Large shareholder
100,000 -2.2%
14.54
US$1,454,310 		100,000 -2.2% 14.54 US$1,454,310
2025-11-25 2025-11-24 S Sale
2.7
Unterseher Loren A
Non-Executive Director Large shareholder
100,000 -1.5%
14.53
US$1,452,670 		100,000 -1.5% 14.53 US$1,452,670
2025-11-25 2025-11-21 S Sale
2.7
Unterseher Loren A
Non-Executive Director Large shareholder
100,000 -1.5%
14.13
US$1,412,640 		100,000 -1.5% 14.13 US$1,412,640
2025-11-25 2025-11-21 S Sale
2.5
SONDERMAN THOMAS

CEO

Executive Director
5,210 -1.0%
13.38
US$69,715 		5,210 -1.0% 13.38 US$69,715
2025-11-21 2025-11-21 PrS Proposed sale
2.5
Thomas Sonderman

Affiliate
5,210
13.38
US$69,714 		5,210 13.38 US$69,714
2025-11-20 2025-11-18 S Sale
2.7
Unterseher Loren A
Non-Executive Director Large shareholder
9,662 -0.2%
16.26
US$157,065 		9,662 -0.2% 16.26 US$157,065
2025-11-17 2025-11-17 S Sale
2.7
Unterseher Loren A
Non-Executive Director Large shareholder
12,000 -0.2%
17.45
US$209,412 		12,000 -0.2% 17.45 US$209,412
2025-11-18 2025-11-14 S Sale
2.5
SONDERMAN THOMAS

CEO

Executive Director
5,207 -1.0%
17.00
US$88,519 		5,207 -1.0% 17.00 US$88,519
2025-11-18 2025-11-14 S Sale
3.4
Manko Steve

CFO

Officer
50,000 -15.3%
17.40
US$869,900 		50,000 -15.3% 17.40 US$869,900
2025-11-14 2025-11-14 PrS Proposed sale
3.4
Steve Manko

Affiliate
50,000
17.40
US$869,884 		50,000 17.40 US$869,884
2025-11-14 2025-11-14 PrS Proposed sale
2.5
Thomas Sonderman

Affiliate
5,207
17.00
US$88,519 		5,207 17.00 US$88,519
2025-11-17 2025-11-13 S Sale
2.7
Unterseher Loren A
Non-Executive Director Large shareholder
2,200 -0.0%
20.55
US$45,204 		2,200 -0.0% 20.55 US$45,204
2025-11-13 2025-11-13 PrS Proposed sale
3.8
CMI Oxbow Partners, LLC

10% Stockholder

Large shareholder
1,000,000
21.39
US$21,390,000 		1,000,000 21.39 US$21,390,000
2025-09-30 2025-09-26 PlS Planned sale
2.7
Unterseher Loren A
Non-Executive Director Large shareholder
120,370 -1.7%
18.02
US$2,169,308 		120,370 -1.7% 18.02 US$2,169,308
2025-09-30 2025-09-26 PlS Planned sale
3.4
Manko Steve

CFO

Officer
60,829 -15.7%
17.40
US$1,058,425 		60,829 -15.7% 17.40 US$1,058,425
2025-09-26 2025-09-26 PrS Proposed sale
3.4
Manko Steve

Officer

Officer
60,829
17.40
US$1,058,494 		60,829 17.40 US$1,058,494
2025-09-26 2025-09-26 PrS Proposed sale
3.8
CMI Oxbow Partners, LLC

10% Stockholder

Large shareholder
120,370
18.00
US$2,166,660 		120,370 18.00 US$2,166,660
2025-09-24 2025-09-22 PlS Planned sale
3.4
Manko Steve

CFO

Officer
43,383 -10.5%
15.13
US$656,298 		43,383 -10.5% 15.13 US$656,298
2025-09-22 2025-09-22 PrS Proposed sale
3.4
Manko Steve

Officer

Officer
43,383
15.13
US$656,302 		43,383 15.13 US$656,302
2025-09-23 2025-09-19 S Sale
2.7
Unterseher Loren A
Non-Executive Director Large shareholder
120,000 -1.7%
14.05
US$1,686,276 		120,000 -1.7% 14.05 US$1,686,276
2025-09-24 2025-09-18 PrS Proposed sale
3.8
CMI Oxbow Partners, LLC

10% Stockholder

Large shareholder
240,000
13.00
US$3,120,000 		240,000 13.00 US$3,120,000
2025-09-23 2025-09-18 S Sale
2.7
Unterseher Loren A
Non-Executive Director Large shareholder
45,100 -0.6%
13.59
US$612,873 		45,100 -0.6% 13.59 US$612,873
2025-09-23 2025-09-18 S Sale
2.7
Unterseher Loren A
Non-Executive Director Large shareholder
74,900 -1.0%
12.81
US$959,124 		74,900 -1.0% 12.81 US$959,124
2025-09-18 2025-09-18 PrS Proposed sale
3.8
CMI Oxbow Partners, LLC

10% Stockholder

Large shareholder
240,000
13.00
US$3,120,000 		240,000 13.00 US$3,120,000
2025-09-16 2025-09-12 S Sale
2.7
Unterseher Loren A
Non-Executive Director Large shareholder
188,976 -2.6%
10.47
US$1,978,938 		188,976 -2.6% 10.47 US$1,978,938
2025-09-11 2025-09-11 PlS Planned sale
2.7
Unterseher Loren A
Non-Executive Director Large shareholder
229,029 -3.0%
10.44
US$2,390,101 		229,029 -3.0% 10.44 US$2,390,101
2025-09-11 2025-09-10 S Sale
2.7
Unterseher Loren A
Non-Executive Director Large shareholder
4,396 -0.1%
10.64
US$46,755 		4,396 -0.1% 10.64 US$46,755
2025-09-11 2025-09-10 S Sale
2.5
SONDERMAN THOMAS

CEO

Executive Director
8,355 -1.5%
10.58
US$88,396 		8,355 -1.5% 10.58 US$88,396
2025-09-10 2025-09-10 PrS Proposed sale
2.5
Thomas Sonderman

Affiliate
8,355
10.58
US$88,393 		8,355 10.58 US$88,393
2025-09-11 2025-09-09 S Sale
2.7
Unterseher Loren A
Non-Executive Director Large shareholder
6,218 -0.1%
10.87
US$67,582 		6,218 -0.1% 10.87 US$67,582
2025-09-03 2025-08-29 S Sale
2.7
Unterseher Loren A
Non-Executive Director Large shareholder
60,767 -0.8%
12.08
US$734,132 		60,767 -0.8% 12.08 US$734,132
2025-08-28 2025-08-28 S Sale
2.7
Unterseher Loren A
Non-Executive Director Large shareholder
311,959 -3.9%
12.28
US$3,832,229 		311,959 -3.9% 12.28 US$3,832,229
2025-08-28 2025-08-27 S Sale
2.7
Unterseher Loren A
Non-Executive Director Large shareholder
188,041 -2.3%
12.11
US$2,276,744 		188,041 -2.3% 12.11 US$2,276,744
2025-08-27 2025-08-27 PrS Proposed sale
3.8
CMI Oxbow Partners, LLC

10% Stockholder

Large shareholder
1,000,000
12.00
US$12,000,000 		1,000,000 12.00 US$12,000,000
2025-08-28 2025-08-26 S Sale
2.7
Unterseher Loren A
Non-Executive Director Large shareholder
756,516 -8.5%
12.06
US$9,126,533 		756,516 -8.5% 12.06 US$9,126,533
2025-08-25 2025-08-25 PrS Proposed sale
3.8
CMI Oxbow Partners, LLC

10% Stockholder

Large shareholder
1,000,000
11.84
US$11,840,000 		1,000,000 11.84 US$11,840,000
2025-08-25 2025-08-25 S Sale
2.7
Unterseher Loren A
Non-Executive Director Large shareholder
243,484 -2.7%
11.82
US$2,878,030 		243,484 -2.7% 11.82 US$2,878,030
2025-08-25 2025-08-22 S Sale
2.7
Unterseher Loren A
Non-Executive Director Large shareholder
292,628 -3.1%
11.50
US$3,365,398 		292,628 -3.1% 11.50 US$3,365,398
2025-08-25 2025-08-21 S Sale
2.7
Unterseher Loren A
Non-Executive Director Large shareholder
37,979 -0.4%
11.16
US$424,013 		37,979 -0.4% 11.16 US$424,013
2025-08-18 2025-08-18 S Sale
2.7
Unterseher Loren A
Non-Executive Director Large shareholder
97,957 -1.0%
11.62
US$1,138,339 		97,957 -1.0% 11.62 US$1,138,339
2025-08-18 2025-08-15 S Sale
2.7
Unterseher Loren A
Non-Executive Director Large shareholder
5,684 -0.1%
11.51
US$65,396 		5,684 -0.1% 11.51 US$65,396
2025-08-18 2025-08-14 S Sale
2.7
Unterseher Loren A
Non-Executive Director Large shareholder
217,329 -2.2%
11.80
US$2,564,417 		217,329 -2.2% 11.80 US$2,564,417
2025-08-14 2025-08-13 S Sale
2.5
SONDERMAN THOMAS

CEO

Executive Director
24,936 -4.4%
12.24
US$305,267 		24,936 -4.4% 12.24 US$305,267
2025-08-14 2025-08-13 S Sale
2.7
Unterseher Loren A
Non-Executive Director Large shareholder
287,454 -2.8%
12.38
US$3,559,370 		287,454 -2.8% 12.38 US$3,559,370
2025-08-13 2025-08-13 PrS Proposed sale
2.5
Thomas Sonderman

Affiliate
24,936
12.24
US$305,261 		24,936 12.24 US$305,261
2025-08-14 2025-08-12 S Sale
2.7
Unterseher Loren A
Non-Executive Director Large shareholder
345,765 -3.3%
12.84
US$4,439,311 		345,765 -3.3% 12.84 US$4,439,311
2025-08-12 2025-08-12 PrS Proposed sale
3.8
CMI Oxbow Partners, LLC

10% Stockholder

Large shareholder
1,000,000
13.55
US$13,550,000 		1,000,000 13.55 US$13,550,000
2025-08-12 2025-08-08 PlS Planned sale
3.4
Manko Steve

CFO

Officer
37,845 -9.3%
13.62
US$515,525 		37,845 -9.3% 13.62 US$515,525
2025-08-08 2025-08-08 PrS Proposed sale
3.4
Manko Steve

Officer

Officer
37,845
13.62
US$515,536 		37,845 13.62 US$515,536
2025-06-27 2025-06-26 PlS Planned sale
2.5
SONDERMAN THOMAS

CEO

Executive Director
14,958 -2.6%
10.04
US$150,193 		14,958 -2.6% 10.04 US$150,193
2025-06-26 2025-06-26 PrS Proposed sale
2.5
Thomas Sonderman

Affiliate
14,958
9.48
US$141,802 		14,958 9.48 US$141,802
2025-06-16 2025-06-12 S Sale
2.7
Unterseher Loren A
Non-Executive Director Large shareholder
900 -0.0%
9.13
US$8,214 		900 -0.0% 9.13 US$8,214
2025-06-11 2025-06-11 S Sale
2.7
Unterseher Loren A
Non-Executive Director Large shareholder
67,345 -0.6%
9.44
US$635,824 		67,345 -0.6% 9.44 US$635,824
2025-06-11 2025-06-10 S Sale
2.7
Unterseher Loren A
Non-Executive Director Large shareholder
33,640 -0.3%
9.36
US$314,901 		33,640 -0.3% 9.36 US$314,901
2025-06-11 2025-06-09 S Sale
2.7
Unterseher Loren A
Non-Executive Director Large shareholder
17,136 -0.2%
9.36
US$160,326 		17,136 -0.2% 9.36 US$160,326
2025-06-06 2025-06-06 S Sale
2.7
Unterseher Loren A
Non-Executive Director Large shareholder
3,144 -0.0%
9.35
US$29,396 		3,144 -0.0% 9.35 US$29,396
2025-06-06 2025-06-04 S Sale
2.7
Unterseher Loren A
Non-Executive Director Large shareholder
5,919 -0.1%
9.50
US$56,230 		5,919 -0.1% 9.50 US$56,230
2025-05-29 2025-05-29 S Sale
2.7
Unterseher Loren A
Non-Executive Director Large shareholder
200 -0.0%
9.50
US$1,900 		200 -0.0% 9.50 US$1,900
2025-05-29 2025-05-28 S Sale
2.7
Unterseher Loren A
Non-Executive Director Large shareholder
86,273 -0.8%
9.50
US$819,594 		86,273 -0.8% 9.50 US$819,594
2025-05-29 2025-05-27 S Sale
2.7
Unterseher Loren A
Non-Executive Director Large shareholder
366,418 -3.3%
9.54
US$3,493,979 		366,418 -3.3% 9.54 US$3,493,979
2025-05-23 2025-05-22 S Sale
2.7
Unterseher Loren A
Non-Executive Director Large shareholder
134,049 -1.2%
9.41
US$1,261,093 		134,049 -1.2% 9.41 US$1,261,093
2025-05-22 2025-05-22 PrS Proposed sale
3.8
CMI Oxbow Partners, LLC

10% Stockholder

Large shareholder
1,000,000
9.40
US$9,400,000 		1,000,000 9.40 US$9,400,000
2025-03-18 2025-03-14 S Sale
2.7
Unterseher Loren A
Non-Executive Director Large shareholder
22,090 -64.3%
8.22
US$181,536 		22,090 -64.3% 8.22 US$181,536
2025-03-18 2025-03-14 S Sale
2.7
Unterseher Loren A
Non-Executive Director Large shareholder
1,412,247 -11.2%
8.20
US$11,580,425 		1,412,247 -11.2% 8.20 US$11,580,425
2025-03-17 2025-03-14 S Sale
3.2
GRAVES GREGORY B
Non-Executive Director
12,844 -47.3%
8.11
US$104,165 		12,844 -47.3% 8.11 US$104,165
2025-03-14 2025-03-14 PrS Proposed sale
3.8
CMI Oxbow Partners, LLC

10% Stockholder

Large shareholder
1,427,766
7.76
US$11,079,464 		1,427,766 7.76 US$11,079,464
2025-03-14 2025-03-14 PrS Proposed sale
2.7
Unterseher Loren A

10% Stockholder

Large shareholder
22,090
7.76
US$171,418 		22,090 7.76 US$171,418
2025-03-14 2025-03-14 PrS Proposed sale
3.2
GRAVES GREGORY B

Director

Non-Executive Director
12,844
7.97
US$102,366 		12,844 7.97 US$102,366
2025-03-07 2025-03-06 S Sale
2.7
Unterseher Loren A
Non-Executive Director Large shareholder
3,800 -0.0%
8.51
US$32,353 		3,800 -0.0% 8.51 US$32,353
2025-03-07 2025-03-05 S Sale
2.7
Unterseher Loren A
Non-Executive Director Large shareholder
86,653 -0.7%
8.51
US$737,426 		86,653 -0.7% 8.51 US$737,426
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