MACOM Technology Solutions Holdings, Inc. (MTSI) has 20 known insider and institutional holders on record. The largest holder is OCAMPO JOHN L with 8,493,040 shares. Other notable holders include OCAMPO SUSAN and Croteau John.
Over the last 12 months, insiders have made 57 transactions in MTSI stock — 14 buys (valued at $84.96K) and 37 sells (valued at $139.52M). Insider selling has exceeded buying during this period.
MTSI Insider Ownership
Top Holder
OCAMPO JOHN L
8,493,040 shares
Buys (12 mo)
14
$84.96K value
Sells (12 mo)
37
$139.52M value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Ocampo John L |
10 Percent Owner |
8,493,040 |
2023-11-22 |
|
| 2 |
Ocampo Susan |
10 Percent Owner |
4,021,658 |
2026-02-26 |
|
| 3 |
Croteau John |
Officer |
132,275 |
2019-05-17 |
|
| 4 |
Rajgarhia Vivek |
SVP & GM, Lightwave |
85,247 |
2019-05-20 |
|
| 5 |
Virk Preetinder S. |
SVP & GM, Networks |
67,559 |
2019-05-20 |
|
| 6 |
Daly Stephen G |
President and CEO |
54,217 |
2025-12-03 |
|
| 7 |
Mcmullan Robert |
SVP, Chief Financial Officer |
52,561 |
2018-11-21 |
|
| 8 |
Behfar Alex |
SVP&chief Scientist, Photonics |
50,329 |
2018-11-21 |
|
| 9 |
Chung Peter Y |
Director |
50,049 |
2026-03-09 |
|
| 10 |
Kober John |
Senior VP and CFO |
48,508 |
2026-02-19 |
|
| 11 |
Hwang Donghyun Thomas |
SVP, Global Sales |
38,604 |
2026-02-04 |
|
| 12 |
Van Lunsen Gil J |
Director |
37,806 |
2022-03-08 |
|
| 13 |
Struble Wayne Mack |
SVP, Advanced Semiconductor |
16,857 |
2025-05-20 |
|
| 14 |
Bland Charles R |
Director |
15,138 |
2026-03-10 |
|
| 15 |
Ribar Geoffrey G |
Director |
14,186 |
2026-03-10 |
|
| 16 |
Hegarty Conor Noel |
Pfo and Pao |
13,658 |
2019-04-12 |
|
| 17 |
Dennehy Robert |
Senior VP and COO |
12,864 |
2026-03-02 |
|
| 18 |
Roth Ambra R. |
SVP, Gc and Secretary |
9,837 |
2025-11-21 |
|
| 19 |
Ritchie John |
Director |
9,466 |
2026-03-10 |
|
| 20 |
Rosenband Jihye Whang |
Director |
7,989 |
2025-03-11 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-03-06 |
Ingram Bryan |
Director |
RSU Award |
776 |
- |
- |
| 2026-03-06 |
Ritchie John |
Director |
RSU Award |
776 |
- |
- |
| 2026-03-06 |
Bland Charles R |
Director |
RSU Award |
776 |
- |
- |
| 2026-03-06 |
Ribar Geoffrey G |
Director |
RSU Award |
776 |
- |
- |
| 2026-03-06 |
Chung Peter Y |
Director |
RSU Award |
776 |
- |
- |
| 2026-02-26 |
Dennehy Robert |
Senior VP and COO |
Informative Sell |
1,571 |
$253.58 |
$398.37K |
| 2026-02-25 |
Ritchie John |
Director |
Informative Sell |
1,573 |
$255.00 |
$401.12K |
| 2026-02-25 |
Ribar Geoffrey G |
Director |
Informative Sell |
2,244 |
$253.59 |
$569.06K |
| 2026-02-25 |
Ocampo Susan |
10 Percent Owner |
Gift (Given) |
174,465 |
- |
- |
| 2026-02-24 |
Ocampo Susan |
10 Percent Owner |
Informative Sell |
53,509 |
$250.08 |
$13.38M |
| 2026-02-17 |
Kober John |
Senior VP and CFO |
Informative Sell |
520 |
$247.70 |
$128.8K |
| 2026-02-18 |
Ocampo Susan |
10 Percent Owner |
Informative Sell |
3,156 |
$250.00 |
$789K |
| 2026-02-17 |
Ocampo Susan |
10 Percent Owner |
Informative Sell |
600 |
$246.02 |
$147.61K |
| 2026-02-13 |
Ocampo Susan |
10 Percent Owner |
Informative Sell |
19,877 |
$245.03 |
$4.87M |
| 2026-02-12 |
Ocampo Susan |
10 Percent Owner |
Informative Sell |
1,158 |
$245.04 |
$283.75K |
| 2026-02-12 |
Bland Charles R |
Director |
Informative Sell |
1,000 |
$240.82 |
$240.82K |
| 2026-02-06 |
Ocampo Susan |
10 Percent Owner |
Informative Sell |
100,000 |
$235.85 |
$23.58M |
| 2026-02-03 |
Ocampo Susan |
10 Percent Owner |
Informative Sell |
100,000 |
$230.29 |
$23.03M |
| 2026-02-02 |
Hwang Donghyun Thomas |
SVP, Global Sales |
Informative Sell |
200 |
$235.81 |
$47.16K |
| 2026-01-13 |
Ingram Bryan |
Director |
RSU Award |
971 |
- |
- |
| 2026-01-12 |
Ingram Bryan |
Director |
Unknown |
- |
- |
- |
| 2025-12-09 |
Ocampo Susan |
10 Percent Owner |
Informative Sell |
121,067 |
$190.07 |
$23.01M |
| 2025-12-04 |
Hwang Donghyun Thomas |
SVP, Global Sales |
Informative Sell |
100 |
$189.36 |
$18.94K |
| 2025-12-05 |
Ocampo Susan |
10 Percent Owner |
Informative Sell |
76,642 |
$190.10 |
$14.57M |
| 2025-12-04 |
Ocampo Susan |
10 Percent Owner |
Informative Sell |
2,291 |
$190.00 |
$435.29K |