Dennehy Robert
Officer · MTSI
As of 2026-09-17, Dennehy Robert has 34 Form 4 transactions on record across 1 company — 22 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Reconstructed holdings
- Direct $3.4M
- Indirect $0
| MTSI | direct | 12,758 sh | $3.4M |
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-08-28 | MTSI | Sale | 252 @ $275.20 | $69K | −1.9% of holding | 12,758 | Form 4 |
| 2026-02-26 | MTSI | Sale | 4,780 @ $243.95 | $1.2M | −17.8% of holding | 22,011 | Form 4 |
| 2026-02-26 | MTSI | Sale | 4,100 @ $244.85 | $1.0M | −18.6% of holding | 17,911 | Form 4 |
| 2026-02-26 | MTSI | Sale | 3,200 @ $242.96 | $777K | −10.7% of holding | 26,791 | Form 4 |
| 2026-02-26 | MTSI | Sale | 2,576 @ $246.70 | $635K | −14.4% of holding | 15,335 | Form 4 |
| 2026-02-26 | MTSI | Sale | 1,571 @ $253.58 | $398K | −10.9% of holding | 12,864 | Form 4 |
| 2026-02-26 | MTSI | Sale | 971 @ $240.40 | $233K | −3.1% of holding | 30,291 | Form 4 |
| 2026-02-26 | MTSI | Sale | 500 @ $250.52 | $125K | −3.3% of holding | 14,435 | Form 4 |
| 2026-02-26 | MTSI | Sale | 400 @ $248.97 | $100K | −2.6% of holding | 14,935 | Form 4 |
| 2026-02-26 | MTSI | Sale | 300 @ $241.70 | $73K | −1.0% of holding | 29,991 | Form 4 |
| 2025-10-16 | MTSI | Sale | 4,128 @ $140.02 | $578K | −38.7% of holding | 6,552 | Form 4 |
| 2025-10-02 | MTSI | Sale | 4,081 @ $127.15 | $519K | −26.0% of holding | 11,599 | Form 4 |
| 2025-10-02 | MTSI | Sale | 919 @ $127.61 | $117K | −7.9% of holding | 10,680 | Form 4 |
| 2025-06-24 | MTSI | Sale | 5,000 @ $140.42 | $702K | −24.2% of holding | 15,680 | Form 4 |
| 2025-05-30 | MTSI | Sale | 2,144 @ $120.55 | $258K | −8.6% of holding | 22,649 | Form 4 |
| 2025-05-30 | MTSI | Sale | 1,969 @ $121.62 | $239K | −8.7% of holding | 20,680 | Form 4 |
| 2024-12-10 | MTSI | Sale | 2,300 @ $136.20 | $313K | −7.8% of holding | 27,040 | Form 4 |
| 2024-12-10 | MTSI | Sale | 2,221 @ $137.64 | $306K | −8.2% of holding | 24,819 | Form 4 |
| 2024-12-10 | MTSI | Sale | 1,866 @ $134.97 | $252K | −6.0% of holding | 29,340 | Form 4 |
| 2024-12-10 | MTSI | Sale | 200 @ $137.97 | $28K | −0.8% of holding | 24,619 | Form 4 |
| 2024-11-19 | MTSI | Sale | 2,539 @ $120.80 | $307K | −7.5% of holding | 31,206 | Form 4 |
13 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-05-15 | MTSI | Award / grant | 146 | 13,010 | Form 4 |
| 2025-11-25 | MTSI | Award / grant | 1,232 | 31,262 | Form 4 |
| 2025-11-14 | MTSI | Award / grant | 29 | 30,030 | Form 4 |
| 2025-11-08 | MTSI | Withheld for tax | 471 | 30,001 | Form 4 |
| 2025-11-06 | MTSI | Withheld for tax | 16,710 | 30,472 | Form 4 |
| 2025-11-06 | MTSI | Award / grant | 38,801 | 47,182 | Form 4 |
| 2025-10-28 | MTSI | Award / grant | 2,463 | 8,381 | Form 4 |
| 2025-10-27 | MTSI | Withheld for tax | 374 | 5,918 | Form 4 |
| 2025-10-23 | MTSI | Withheld for tax | 260 | 6,292 | Form 4 |
| 2025-05-16 | MTSI | Award / grant | 174 | 24,793 | Form 4 |
| 2024-11-08 | MTSI | Withheld for tax | 471 | 33,690 | Form 4 |
| 2024-11-07 | MTSI | Withheld for tax | 10,686 | 34,161 | Form 4 |
| 2024-11-07 | MTSI | Award / grant | 25,459 | 44,847 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.