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MACOM Technology Solutions Holdings, Inc. (MTSI) XNAS SEMICONDUCTORS & RELATED DEVICES Net insider selling (90d)
Latest MTSI Insider Trades
About MACOM Technology Solutions Holdings, Inc. (MTSI) MACOM Technology Solutions Holdings Inc is a provider of analog, digital, and mixed-signal semiconductor solutions to original equipment manufacturers and distributors. These solutions are found in systems for industrial, medical, scientific, and test and measurement markets. The firm's portfolio of products includes integrated circuits, multichip modules, power pallets and transistors, diodes, amplifiers, switches and switch limiters, passive and active components, and complete subsystems.
Headquarters LOWELL, MA
Employees 2,000
Listed 2012
Exchange XNAS https://www.macom.com SEC filings for MTSI on EDGAR
90-Day SEC Filing Activity Form 4 transaction type Transactions Shares Total value Open-market sale 20 10,009 $3.42M
MTSI Insider Transactions (Form 4) 59 125 Form 4 filings on record, the earliest from Oct 25, 2024, newest first. Filing history page 3 of 3.
Date Insider Transaction Security Shares Price Value Oct 27, 2025 WS Wayne Mack Struble - Officer Tax withholding / forfeiture Common Stock 273
Recent MTSI Form 8-K Filings 3
Recent MTSI Form 144 Notices of Proposed Sale 3 A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
Filed Filer Relationship Shares Market value Notice Aug 28, 2026 ROBERT DENNEHY Officer 252 $70K View on EDGAR May 29, 2026 - -
MTSI Insider Trading - FAQ
What is the latest insider trade for MTSI? MACOM Technology Solutions Holdings, Inc. (MTSI) had 2 insider filings in the last 90 days, with the most recent on 2026-08-19. The full record for MTSI runs to 125 Form 4 filings, the earliest from 2024-10-25. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
How many insiders are buying MTSI stock? No insider purchases of MTSI were filed in the last 90 days.
How many insiders are selling MTSI stock? 20 insider sales of MTSI were filed in the last 90 days, totaling $3.42M.
Where can I see MTSI SEC filings (Form 4, 10-K, 10-Q, 8-K)? This page tracks MTSI Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
How can I follow MTSI insider buys? Create a free InsiderAlpha account and press Watch on this page to add MTSI to your watchlist. A free account also opens the full scored daily plan with every past day and 3 months of price history. No card is required. Sign up at https://insideralpha.ai/register.
More Information Technology Companies with Insider Activity Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
Related Companies - Recent Insider Activity What is SEC Form 4? The filing insiders must submit within two business days of a trade, and how to read its transaction codes. Track MTSI insider activity as it files Real-time Form 4 alerts, AI-scored daily trade ideas and 10b5-1 plan flags.
Sign up free $130K
JK John Kober - Officer Open-market sale $293K
Aug 17, 2026
JK John Kober - Officer Open-market sale $163K
Aug 17, 2026
JK John Kober - Officer Open-market sale $557K
Aug 17, 2026
JK John Kober - Officer Open-market sale $526K
Aug 17, 2026
JK John Kober - Officer Open-market sale $99K
Aug 17, 2026
JK John Kober - Officer Open-market sale $132K
Aug 17, 2026
Market cap $20.26B
P/E ratio 84.50
Dividend yield -
Average volume 1.64M
52 week high $418.90
52 week low $121.97
Today's high $271.31
Today's low $261.76
Open $266.96
Volume 808.4K
Previous close $265.27
Shares outstanding 76.37M Market cap
$20.26B
2,000 employees
MTSI Insider Sentiment - Last 90 Days Share of open-market insider dollar volume that was buying versus selling, from SEC Form 4 filings.
0% Buying 100% Selling
0 insider purchases totaling $0 against 20 sales totaling $3.42M.
Most-Active MTSI Insiders - Last 90 Days 10 Oct 27, 2025 AR Ambra R. Roth - Officer Tax withholding / forfeiture Common Stock 456 $146.39 $67K
Oct 27, 2025 RD Robert Dennehy - Officer Tax withholding / forfeiture Common Stock 374 $146.39 $55K
Oct 28, 2025 JK John Kober - Officer Open-market sale Common Stock 797 $145.10 $116K
Oct 28, 2025 JK John Kober - Officer Open-market sale Common Stock 700 $146.01 $102K
Oct 27, 2025 JK John Kober - Officer Tax withholding / forfeiture Common Stock 623 $146.39 $91K
Oct 23, 2025 SD Stephen G. Daly - Officer Tax withholding / forfeiture Common Stock 1,128 $139.31 $157K
Oct 24, 2025 SO Susan Ocampo - 10% Owner Open-market sale Common Stock 44,809 $142.10 $6.37M
Oct 27, 2025 SO Susan Ocampo - 10% Owner Open-market sale Common Stock 60,705 $147.02 $8.92M
Oct 23, 2025 SO Susan Ocampo - 10% Owner Open-market sale Common Stock 1,862 $141.00 $263K
Oct 23, 2025 JK John Kober - Officer Tax withholding / forfeiture Common Stock 428 $139.31 $60K
Oct 23, 2025 WS Wayne Mack Struble - Officer Tax withholding / forfeiture Common Stock 230 $139.31 $32K
Oct 23, 2025 AR Ambra R. Roth - Officer Tax withholding / forfeiture Common Stock 300 $139.31 $42K
Oct 23, 2025 RD Robert Dennehy - Officer Tax withholding / forfeiture Common Stock 260 $139.31 $36K
Oct 20, 2025 SO Susan Ocampo - 10% Owner Open-market sale Common Stock 36,762 $141.01 $5.18M
Oct 16, 2025 RD Robert Dennehy - Officer Open-market sale Common Stock 4,128 $140.02 $578K
Oct 14, 2025 SO Susan Ocampo - 10% Owner Open-market sale Common Stock 53,104 $133.03 $7.06M
Oct 15, 2025 SO Susan Ocampo - 10% Owner Open-market sale Common Stock 150,000 $136.02 $20.40M
Oct 16, 2025 SO Susan Ocampo - 10% Owner Open-market sale Common Stock 102,261 $140.06 $14.32M
Oct 7, 2025 SO Susan Ocampo - 10% Owner Open-market sale Common Stock 62,476 $133.22 $8.32M
Oct 8, 2025 SO Susan Ocampo - 10% Owner Open-market sale Common Stock 150,000 $133.03 $19.95M
Oct 2, 2025 RD Robert Dennehy - Officer Open-market sale Common Stock 4,081 $127.15 $519K
Oct 2, 2025 RD Robert Dennehy - Officer Open-market sale Common Stock 919 $127.61 $117K
Sep 18, 2025 SO Susan Ocampo - 10% Owner Open-market sale Common Stock 150,000 $133.09 $19.96M
Sep 18, 2025 SO Susan Ocampo - 10% Owner Gift Common Stock 1,623 $0.00 -
Sep 18, 2025 SO Susan Ocampo - 10% Owner Gift Common Stock 1,623 $0.00 -
Sep 15, 2025 SO Susan Ocampo - 10% Owner Open-market sale Common Stock 107,361 $132.16 $14.19M
Sep 15, 2025 SO Susan Ocampo - 10% Owner Open-market sale Common Stock 43,063 $133.11 $5.73M
Sep 17, 2025 SO Susan Ocampo - 10% Owner Open-market sale Common Stock 62,435 $133.02 $8.31M
Sep 10, 2025 SO Susan Ocampo - 10% Owner Open-market sale Common Stock 39,361 $132.46 $5.21M
Sep 10, 2025 SO Susan Ocampo - 10% Owner Open-market sale Common Stock 11,000 $133.28 $1.47M
Sep 11, 2025 SO Susan Ocampo - 10% Owner Open-market sale Common Stock 73,334 $132.42 $9.71M
Sep 11, 2025 SO Susan Ocampo - 10% Owner Open-market sale Common Stock 7,557 $133.14 $1.01M
Sep 12, 2025 SO Susan Ocampo - 10% Owner Open-market sale Common Stock 53,187 $132.53 $7.05M
Sep 12, 2025 SO Susan Ocampo - 10% Owner Open-market sale Common Stock 36,681 $133.35 $4.89M
Sep 5, 2025 SO Susan Ocampo - 10% Owner Open-market sale Common Stock 17,619 $130.82 $2.30M
Sep 5, 2025 SO Susan Ocampo - 10% Owner Open-market sale Common Stock 81,356 $131.37 $10.69M
Sep 5, 2025 SO Susan Ocampo - 10% Owner Open-market sale Common Stock 14,300 $132.36 $1.89M
Sep 8, 2025 SO Susan Ocampo - 10% Owner Open-market sale Common Stock 3,195 $132.06 $422K
Sep 9, 2025 SO Susan Ocampo - 10% Owner Open-market sale Common Stock 45,986 $131.12 $6.03M
Aug 8, 2025 JK John Kober - Officer Open-market sale Common Stock 1,000 $123.40 $123K
Aug 1, 2025 WS Wayne Mack Struble - Officer Tax withholding / forfeiture Common Stock 547 $136.31 $75K
Jun 30, 2025 SO Susan Ocampo - Director Gift Common Stock 200,000 $0.00 -
Jun 24, 2025 SO Susan Ocampo - Director Gift Common Stock 200,000 $0.00 -
May 21, 2025 SO Susan Ocampo - Director Open-market sale Common Stock 48,328 $123.66 $5.98M
May 21, 2025 SO Susan Ocampo - Director Open-market sale Common Stock 56,121 $124.26 $6.97M
May 16, 2025 SO Susan Ocampo - Director Open-market sale Common Stock 4,694 $123.50 $580K
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