United States Semiconductors & Semiconductor Equipment

MACOM Technology Solutions Holdings Inc (MTSI)

Track

Over the last 90 days, MACOM Technology Solutions Holdings Inc. has seen significant insider selling, with a net value of -$17.26 million. The total number of insider transactions was 77, with a net of -3 insiders. Notably, President and CEO Stephen G. Daly engaged in multiple planned and proposed sales totaling over $8.5 million.
Ticker: MTSI Exchange: NSM
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for MACOM Technology Solutions Holdings Inc. Upgrade to see score, net flow, insiders and the full signal context.

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Top insiders
Trades
Hwang Donghyun Thomas
SVP, Global Sales
12 sales — total 1,200,000 USD
Planned sale 25 Jun 2026
Value US$2,729,888.30 | Price 122.05 | Shares 7,336
Planned sale 25 Jun 2026
Value US$461,564.55 | Price 474.55 | Shares 58,691
Planned sale 25 Jun 2026
Value US$100,000.00 | Price 388.65 | Shares 1,000
Planned sale 25 Jun 2026
Value US$100,000.00 | Price 387.25 | Shares 1,000
Planned sale 25 Jun 2026
Value US$100,000.00 | Price 386.62 | Shares 1,000
Planned sale 25 Jun 2026
Value US$100,000.00 | Price 384.35 | Shares 1,000
Planned sale 25 Jun 2026
Value US$100,000.00 | Price 382.91 | Shares 1,000
Planned sale 25 Jun 2026
Value US$100,000.00 | Price 382.04 | Shares 1,000
Planned sale 25 Jun 2026
Value US$100,000.00 | Price 379.80 | Shares 1,000
Planned sale 25 Jun 2026
Value US$100,000.00 | Price 375.34 | Shares 1,000
Planned sale 25 Jun 2026
Value US$100,000.00 | Price 369.99 | Shares 1,000
Planned sale 25 Jun 2026
Value US$100,000.00 | Price 367.30 | Shares 1,000
Planned sale 29 May 2026
Value US$4,132,107.55 | Price 241.29 | Shares 95,375
Planned sale 29 May 2026
Value US$1,142,167.24 | Price 19.94 | Shares 38,131
Planned sale 29 May 2026
Value US$213,997.38 | Price 388.38 | Shares 551
Planned sale 29 May 2026
Value US$38,646.00 | Price 386.46 | Shares 100
Planned sale 29 May 2026
Value US$38,260.00 | Price 382.60 | Shares 100
Planned sale 29 May 2026
Value US$38,098.00 | Price 380.98 | Shares 100
Planned sale 29 May 2026
Value US$151,544.00 | Price 378.86 | Shares 400
Planned sale 29 May 2026
Value US$75,020.00 | Price 375.10 | Shares 200
Planned sale 29 May 2026
Value US$112,227.00 | Price 374.09 | Shares 300
Planned sale 29 May 2026
Value US$110,814.00 | Price 369.38 | Shares 300
Planned sale 29 May 2026
Value US$220,770.00 | Price 367.95 | Shares 600
Planned sale 29 May 2026
Value US$109,938.00 | Price 366.46 | Shares 300
Planned sale 29 May 2026
Value US$1,028,989.80 | Price 364.89 | Shares 2,820
Planned sale 29 May 2026
Value US$755,030.25 | Price 363.87 | Shares 2,075
Planned sale 29 May 2026
Value US$881,581.26 | Price 362.94 | Shares 2,429
Planned sale 29 May 2026
Value US$327,266.08 | Price 362.02 | Shares 904
Planned sale 29 May 2026
Value US$144,196.00 | Price 360.49 | Shares 400
Planned sale 29 May 2026
Value US$790,614.00 | Price 359.37 | Shares 2,200
Planned sale 29 May 2026
Value US$537,660.00 | Price 358.44 | Shares 1,500
Proposed sale 29 May 2026
Value US$6,190,172.52 | Price 391.09 | Shares 15,828
Proposed sale 26 May 2026
Value US$78,258,001.00 | Price 410.19 | Shares 190,787
Planned sale 18 May 2026
Value US$75,540.00 | Price 377.70 | Shares 200
Planned sale 18 May 2026
Value US$147,116.00 | Price 367.79 | Shares 400
Planned sale 18 May 2026
Value US$146,272.00 | Price 365.68 | Shares 400
Planned sale 18 May 2026
Value US$195,763.35 | Price 364.55 | Shares 537
Planned sale 18 May 2026
Value US$131,754.48 | Price 362.96 | Shares 363
Planned sale 18 May 2026
Value US$108,483.00 | Price 361.61 | Shares 300
Planned sale 18 May 2026
Value US$273,490.47 | Price 360.33 | Shares 759
Planned sale 18 May 2026
Value US$266,026.41 | Price 359.01 | Shares 741
Planned sale 18 May 2026
Value US$286,072.00 | Price 357.59 | Shares 800
Planned sale 18 May 2026
Value US$407,801.68 | Price 356.47 | Shares 1,144
Planned sale 18 May 2026
Value US$248,381.00 | Price 354.83 | Shares 700
Planned sale 18 May 2026
Value US$283,048.00 | Price 353.81 | Shares 800
Planned sale 18 May 2026
Value US$176,395.00 | Price 352.79 | Shares 500
Planned sale 18 May 2026
Value US$36,216.85 | Price 381.23 | Shares 95
Planned sale 18 May 2026
Value US$37,770.00 | Price 377.70 | Shares 100
Planned sale 18 May 2026
Value US$36,906.00 | Price 369.06 | Shares 100
Planned sale 18 May 2026
Value US$73,500.00 | Price 367.50 | Shares 200
Planned sale 18 May 2026
Value US$36,493.00 | Price 364.93 | Shares 100
Planned sale 18 May 2026
Value US$36,289.00 | Price 362.89 | Shares 100
Planned sale 18 May 2026
Value US$180,190.00 | Price 360.38 | Shares 500
Planned sale 18 May 2026
Value US$107,652.00 | Price 358.84 | Shares 300
Planned sale 18 May 2026
Value US$178,340.00 | Price 356.68 | Shares 500
Planned sale 18 May 2026
Value US$106,518.00 | Price 355.06 | Shares 300
Planned sale 18 May 2026
Value US$105,996.00 | Price 353.32 | Shares 300
Proposed sale 18 May 2026
Value US$5,646,394.80 | Price 375.60 | Shares 15,033
Sale 14 May 2026
Value US$16,363,922.99 | Price 378.20 | Shares 43,268
Proposed sale 14 May 2026
Value US$16,363,922.99 | Price 378.20 | Shares 43,268
Sale 13 May 2026
Value US$304,000.00 | Price 380.00 | Shares 800
Proposed sale 13 May 2026
Value US$38,015,187.67 | Price 380.15 | Shares 100,000
Proposed sale 12 May 2026
Value US$286,752.00 | Price 358.44 | Shares 800
Sale 11 May 2026
Value US$587,266.32 | Price 361.84 | Shares 1,623
Proposed sale 11 May 2026
Value US$72,189,891.03 | Price 360.95 | Shares 200,000
Proposed sale 11 May 2026
Value US$587,266.32 | Price 361.84 | Shares 1,623
Proposed sale 8 May 2026
Value US$8,831,046.24 | Price 360.01 | Shares 24,530
Proposed sale 7 May 2026
Value US$132,655,087.07 | Price 331.64 | Shares 400,000
Proposed sale 6 May 2026
Value US$54,528,345.41 | Price 308.66 | Shares 176,663
Planned sale 30 Apr 2026
Value US$18,303.35 | Price 281.59 | Shares 65
Planned sale 30 Apr 2026
Value US$56,176.00 | Price 280.88 | Shares 200
Planned sale 30 Apr 2026
Value US$177,641.25 | Price 279.75 | Shares 635
Planned sale 30 Apr 2026
Value US$194,894.00 | Price 278.42 | Shares 700
Planned sale 30 Apr 2026
Value US$55,362.00 | Price 276.81 | Shares 200
Planned sale 30 Apr 2026
Value US$27,573.00 | Price 275.73 | Shares 100
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
2026-06-29 2026-06-25 PlS Planned sale
1.5
Hwang Donghyun Thomas

SVP, Global Sales

Officer
7,336 +37.2%
122.05
US$2,729,888 		7,336 +37.2% 122.05 US$2,729,888
2026-06-29 2026-06-25 PlS Planned sale
1.5
Hwang Donghyun Thomas

SVP, Global Sales

Officer
58,691 +7.5%
474.55
US$461,565 		58,691 +7.5% 474.55 US$461,565
2026-06-29 2026-06-25 PlS Planned sale
1.5
Hwang Donghyun Thomas

SVP, Global Sales

Officer
32,159 -17.8%
374.54
US$61,389 		32,159 -17.8% 374.54 US$61,389
2026-06-29 2026-06-25 PlS Planned sale
1.5
Hwang Donghyun Thomas

SVP, Global Sales

Officer
1,000 -0.7%
387.25
US$100,000 		1,000 -0.7% 387.25 US$100,000
2026-06-29 2026-06-25 PlS Planned sale
1.5
Hwang Donghyun Thomas

SVP, Global Sales

Officer
1,000 -1.3%
386.62
US$100,000 		1,000 -1.3% 386.62 US$100,000
2026-06-29 2026-06-25 PlS Planned sale
1.5
Hwang Donghyun Thomas

SVP, Global Sales

Officer
1,000 -0.0%
384.35
US$100,000 		1,000 -0.0% 384.35 US$100,000
2026-06-29 2026-06-25 PlS Planned sale
1.5
Hwang Donghyun Thomas

SVP, Global Sales

Officer
1,000 -1.0%
382.91
US$100,000 		1,000 -1.0% 382.91 US$100,000
2026-06-29 2026-06-25 PlS Planned sale
1.5
Hwang Donghyun Thomas

SVP, Global Sales

Officer
1,000 -1.3%
382.04
US$100,000 		1,000 -1.3% 382.04 US$100,000
2026-06-29 2026-06-25 PlS Planned sale
1.5
Hwang Donghyun Thomas

SVP, Global Sales

Officer
1,000 -0.3%
379.80
US$100,000 		1,000 -0.3% 379.80 US$100,000
2026-06-29 2026-06-25 PlS Planned sale
1.5
Hwang Donghyun Thomas

SVP, Global Sales

Officer
1,000 -0.6%
375.34
US$100,000 		1,000 -0.6% 375.34 US$100,000
2026-06-29 2026-06-25 PlS Planned sale
1.5
Hwang Donghyun Thomas

SVP, Global Sales

Officer
1,000 -0.3%
369.99
US$100,000 		1,000 -0.3% 369.99 US$100,000
2026-06-29 2026-06-25 PlS Planned sale
1.5
Hwang Donghyun Thomas

SVP, Global Sales

Officer
1,000 -0.3%
367.30
US$100,000 		1,000 -0.3% 367.30 US$100,000
2026-06-02 2026-05-29 PlS Planned sale
3.4
Daly Stephen G

President and CEO

Executive Director
400 -1.0%
391.07
US$156,428 		400 -1.0% 391.07 US$156,428
2026-06-02 2026-05-29 PlS Planned sale
3.4
Daly Stephen G

President and CEO

Executive Director
149 -0.4%
389.40
US$58,021 		149 -0.4% 389.40 US$58,021
2026-06-02 2026-05-29 PlS Planned sale
3.4
Daly Stephen G

President and CEO

Executive Director
551 -1.4%
388.38
US$213,997 		551 -1.4% 388.38 US$213,997
2026-06-02 2026-05-29 PlS Planned sale
3.4
Daly Stephen G

President and CEO

Executive Director
100 -0.3%
386.46
US$38,646 		100 -0.3% 386.46 US$38,646
2026-06-02 2026-05-29 PlS Planned sale
3.4
Daly Stephen G

President and CEO

Executive Director
100 -0.3%
382.60
US$38,260 		100 -0.3% 382.60 US$38,260
2026-06-02 2026-05-29 PlS Planned sale
3.4
Daly Stephen G

President and CEO

Executive Director
100 -0.3%
380.98
US$38,098 		100 -0.3% 380.98 US$38,098
2026-06-02 2026-05-29 PlS Planned sale
3.4
Daly Stephen G

President and CEO

Executive Director
400 -1.0%
378.86
US$151,544 		400 -1.0% 378.86 US$151,544
2026-06-02 2026-05-29 PlS Planned sale
3.4
Daly Stephen G

President and CEO

Executive Director
200 -0.5%
375.10
US$75,020 		200 -0.5% 375.10 US$75,020
2026-06-02 2026-05-29 PlS Planned sale
3.4
Daly Stephen G

President and CEO

Executive Director
300 -0.7%
374.09
US$112,227 		300 -0.7% 374.09 US$112,227
2026-06-02 2026-05-29 PlS Planned sale
3.4
Daly Stephen G

President and CEO

Executive Director
300 -0.7%
369.38
US$110,814 		300 -0.7% 369.38 US$110,814
2026-06-02 2026-05-29 PlS Planned sale
3.4
Daly Stephen G

President and CEO

Executive Director
600 -1.4%
367.95
US$220,770 		600 -1.4% 367.95 US$220,770
2026-06-02 2026-05-29 PlS Planned sale
3.4
Daly Stephen G

President and CEO

Executive Director
300 -0.7%
366.46
US$109,938 		300 -0.7% 366.46 US$109,938
2026-06-02 2026-05-29 PlS Planned sale
3.4
Daly Stephen G

President and CEO

Executive Director
2,820 -6.3%
364.89
US$1,028,990 		2,820 -6.3% 364.89 US$1,028,990
2026-06-02 2026-05-29 PlS Planned sale
3.4
Daly Stephen G

President and CEO

Executive Director
2,075 -4.4%
363.87
US$755,030 		2,075 -4.4% 363.87 US$755,030
2026-06-02 2026-05-29 PlS Planned sale
3.4
Daly Stephen G

President and CEO

Executive Director
2,429 -4.9%
362.94
US$881,581 		2,429 -4.9% 362.94 US$881,581
2026-06-02 2026-05-29 PlS Planned sale
3.4
Daly Stephen G

President and CEO

Executive Director
904 -1.8%
362.02
US$327,266 		904 -1.8% 362.02 US$327,266
2026-06-02 2026-05-29 PlS Planned sale
3.4
Daly Stephen G

President and CEO

Executive Director
400 -0.8%
360.49
US$144,196 		400 -0.8% 360.49 US$144,196
2026-06-02 2026-05-29 PlS Planned sale
3.4
Daly Stephen G

President and CEO

Executive Director
2,200 -4.2%
359.37
US$790,614 		2,200 -4.2% 359.37 US$790,614
2026-06-02 2026-05-29 PlS Planned sale
3.4
Daly Stephen G

President and CEO

Executive Director
1,500 -2.8%
358.44
US$537,660 		1,500 -2.8% 358.44 US$537,660
2026-05-29 2026-05-29 PrS Proposed sale
3.4
STEPHEN DALY

Director; Officer

Executive Director
15,828
391.09
US$6,190,173 		15,828 391.09 US$6,190,173
2026-05-26 2026-05-26 PrS Proposed sale
2.5
OCAMPO SUSAN

Owner
190,787
410.19
US$78,258,001 		190,787 410.19 US$78,258,001
2026-05-20 2026-05-18 PlS Planned sale
Kober John

Senior VP and CFO

Officer
200 -0.5%
377.70
US$75,540 		200 -0.5% 377.70 US$75,540
2026-05-20 2026-05-18 PlS Planned sale
Kober John

Senior VP and CFO

Officer
400 -1.0%
367.79
US$147,116 		400 -1.0% 367.79 US$147,116
2026-05-20 2026-05-18 PlS Planned sale
Kober John

Senior VP and CFO

Officer
400 -1.0%
365.68
US$146,272 		400 -1.0% 365.68 US$146,272
2026-05-20 2026-05-18 PlS Planned sale
Kober John

Senior VP and CFO

Officer
537 -1.3%
364.55
US$195,763 		537 -1.3% 364.55 US$195,763
2026-05-20 2026-05-18 PlS Planned sale
Kober John

Senior VP and CFO

Officer
363 -0.8%
362.96
US$131,754 		363 -0.8% 362.96 US$131,754
2026-05-20 2026-05-18 PlS Planned sale
Kober John

Senior VP and CFO

Officer
300 -0.7%
361.61
US$108,483 		300 -0.7% 361.61 US$108,483
2026-05-20 2026-05-18 PlS Planned sale
Kober John

Senior VP and CFO

Officer
759 -1.7%
360.33
US$273,490 		759 -1.7% 360.33 US$273,490
2026-05-20 2026-05-18 PlS Planned sale
Kober John

Senior VP and CFO

Officer
741 -1.7%
359.01
US$266,026 		741 -1.7% 359.01 US$266,026
2026-05-20 2026-05-18 PlS Planned sale
Kober John

Senior VP and CFO

Officer
800 -1.8%
357.59
US$286,072 		800 -1.8% 357.59 US$286,072
2026-05-20 2026-05-18 PlS Planned sale
Kober John

Senior VP and CFO

Officer
1,144 -2.5%
356.47
US$407,802 		1,144 -2.5% 356.47 US$407,802
2026-05-20 2026-05-18 PlS Planned sale
Kober John

Senior VP and CFO

Officer
700 -1.5%
354.83
US$248,381 		700 -1.5% 354.83 US$248,381
2026-05-20 2026-05-18 PlS Planned sale
Kober John

Senior VP and CFO

Officer
800 -1.7%
353.81
US$283,048 		800 -1.7% 353.81 US$283,048
2026-05-20 2026-05-18 PlS Planned sale
Kober John

Senior VP and CFO

Officer
500 -1.0%
352.79
US$176,395 		500 -1.0% 352.79 US$176,395
2026-05-20 2026-05-18 PlS Planned sale
1.5
Hwang Donghyun Thomas

SVP, Global Sales

Officer
95 -0.3%
381.23
US$36,217 		95 -0.3% 381.23 US$36,217
2026-05-20 2026-05-18 PlS Planned sale
1.5
Hwang Donghyun Thomas

SVP, Global Sales

Officer
100 -0.3%
377.70
US$37,770 		100 -0.3% 377.70 US$37,770
2026-05-20 2026-05-18 PlS Planned sale
1.5
Hwang Donghyun Thomas

SVP, Global Sales

Officer
100 -0.3%
369.06
US$36,906 		100 -0.3% 369.06 US$36,906
2026-05-20 2026-05-18 PlS Planned sale
1.5
Hwang Donghyun Thomas

SVP, Global Sales

Officer
200 -0.6%
367.50
US$73,500 		200 -0.6% 367.50 US$73,500
2026-05-20 2026-05-18 PlS Planned sale
1.5
Hwang Donghyun Thomas

SVP, Global Sales

Officer
100 -0.3%
364.93
US$36,493 		100 -0.3% 364.93 US$36,493
2026-05-20 2026-05-18 PlS Planned sale
1.5
Hwang Donghyun Thomas

SVP, Global Sales

Officer
100 -0.3%
362.89
US$36,289 		100 -0.3% 362.89 US$36,289
2026-05-20 2026-05-18 PlS Planned sale
1.5
Hwang Donghyun Thomas

SVP, Global Sales

Officer
500 -1.5%
360.38
US$180,190 		500 -1.5% 360.38 US$180,190
2026-05-20 2026-05-18 PlS Planned sale
1.5
Hwang Donghyun Thomas

SVP, Global Sales

Officer
300 -0.9%
358.84
US$107,652 		300 -0.9% 358.84 US$107,652
2026-05-20 2026-05-18 PlS Planned sale
1.5
Hwang Donghyun Thomas

SVP, Global Sales

Officer
500 -1.5%
356.68
US$178,340 		500 -1.5% 356.68 US$178,340
2026-05-20 2026-05-18 PlS Planned sale
1.5
Hwang Donghyun Thomas

SVP, Global Sales

Officer
300 -0.9%
355.06
US$106,518 		300 -0.9% 355.06 US$106,518
2026-05-20 2026-05-18 PlS Planned sale
1.5
Hwang Donghyun Thomas

SVP, Global Sales

Officer
300 -0.9%
353.32
US$105,996 		300 -0.9% 353.32 US$105,996
2026-05-18 2026-05-18 PrS Proposed sale
John F. Kober Ill

Officer

Officer
15,033
375.60
US$5,646,395 		15,033 375.60 US$5,646,395
2026-05-18 2026-05-14 S Sale
3.1
CHUNG PETER Y
Non-Executive Director
43,268 -86.5%
378.20
US$16,363,923 		43,268 -86.5% 378.20 US$16,363,923
2026-05-14 2026-05-14 PrS Proposed sale
3.1
PETER CHUNG

Director

Non-Executive Director
43,268
378.20
US$16,363,923 		43,268 378.20 US$16,363,923
2026-05-15 2026-05-13 S Sale
1.9
BLAND CHARLES R
Non-Executive Director
800 -5.3%
380.00
US$304,000 		800 -5.3% 380.00 US$304,000
2026-05-13 2026-05-13 PrS Proposed sale
2.5
OCAMPO SUSAN

Owner
100,000
380.15
US$38,015,188 		100,000 380.15 US$38,015,188
2026-05-12 2026-05-12 PrS Proposed sale
1.9
Charles Bland

Director

Non-Executive Director
800
358.44
US$286,752 		800 358.44 US$286,752
2026-05-13 2026-05-11 S Sale
3.0
RIBAR GEOFFREY G
Non-Executive Director
1,623 -11.4%
361.84
US$587,266 		1,623 -11.4% 361.84 US$587,266
2026-05-11 2026-05-11 PrS Proposed sale
2.5
OCAMPO SUSAN

Owner
200,000
360.95
US$72,189,891 		200,000 360.95 US$72,189,891
2026-05-11 2026-05-11 PrS Proposed sale
3.0
GEOFFREY RIBAR

Director

Non-Executive Director
1,623
361.84
US$587,266 		1,623 361.84 US$587,266
2026-05-08 2026-05-08 PrS Proposed sale
2.5
OCAMPO SUSAN

Owner
24,530
360.01
US$8,831,046 		24,530 360.01 US$8,831,046
2026-05-07 2026-05-07 PrS Proposed sale
2.5
OCAMPO SUSAN

Owner
400,000
331.64
US$132,655,087 		400,000 331.64 US$132,655,087
2026-05-06 2026-05-06 PrS Proposed sale
2.5
OCAMPO SUSAN

Owner
176,663
308.66
US$54,528,345 		176,663 308.66 US$54,528,345
2026-05-04 2026-04-30 PlS Planned sale
1.5
Hwang Donghyun Thomas

SVP, Global Sales

Officer
65 -0.2%
281.59
US$18,303 		65 -0.2% 281.59 US$18,303
2026-05-04 2026-04-30 PlS Planned sale
1.5
Hwang Donghyun Thomas

SVP, Global Sales

Officer
200 -0.6%
280.88
US$56,176 		200 -0.6% 280.88 US$56,176
2026-05-04 2026-04-30 PlS Planned sale
1.5
Hwang Donghyun Thomas

SVP, Global Sales

Officer
635 -1.8%
279.75
US$177,641 		635 -1.8% 279.75 US$177,641
2026-05-04 2026-04-30 PlS Planned sale
1.5
Hwang Donghyun Thomas

SVP, Global Sales

Officer
700 -1.9%
278.42
US$194,894 		700 -1.9% 278.42 US$194,894
2026-05-04 2026-04-30 PlS Planned sale
1.5
Hwang Donghyun Thomas

SVP, Global Sales

Officer
200 -0.5%
276.81
US$55,362 		200 -0.5% 276.81 US$55,362
2026-05-04 2026-04-30 PlS Planned sale
1.5
Hwang Donghyun Thomas

SVP, Global Sales

Officer
100 -0.3%
275.73
US$27,573 		100 -0.3% 275.73 US$27,573
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