Luis A Muller
CIK 1509513 · View on SEC EDGAR ↗
First SEC filing: June 9, 2026 · Latest: June 9, 2026
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 13, 2021 | COHU | P | 3,200 | $31.22 | $99,904 | 535,651 Direct | +0.60% | Acquired | 79.8% (price as of 2026-08-19) |
| Dec. 4, 2020 | COHU | S | 5,174 | $35.55 | $183,936 | 512,863 Direct | -1.00% | Disposed | 57.9% (price as of 2026-08-19) |
| Dec. 3, 2020 | COHU | S | 9,942 | $35.15 | $349,461 | 518,037 Direct | -1.88% | Disposed | 59.7% (price as of 2026-08-19) |
| Dec. 3, 2020 | COHU | S | 4,439 | $34.85 | $154,699 | 527,979 Direct | -0.83% | Disposed | 61.0% (price as of 2026-08-19) |
| Dec. 3, 2020 | COHU | S | 1,028 | $34.65 | $35,620 | 532,418 Direct | -0.19% | Disposed | 62.0% (price as of 2026-08-19) |
| Dec. 3, 2020 | COHU | S | 9,709 | $33.50 | $325,252 | 533,446 Direct | -1.79% | Disposed | 67.5% (price as of 2026-08-19) |
| Dec. 1, 2020 | COHU | S | 22,000 | $29.70 | $653,400 | 543,155 Direct | -3.89% | Disposed | 89.0% (price as of 2026-08-19) |
| Nov. 17, 2020 | COHU | S | 5,000 | $28.70 | $143,500 | 565,155 Direct | -0.88% | Disposed | 95.5% (price as of 2026-08-19) |
| Nov. 17, 2020 | COHU | S | 5,000 | $28.30 | $141,500 | 565,155 Direct | -0.88% | Disposed | 98.3% (price as of 2026-08-19) |
| Nov. 16, 2020 | COHU | S | 5,000 | $27.50 | $137,500 | 565,155 Direct | -0.88% | Disposed | 104.1% (price as of 2026-08-19) |
| Nov. 12, 2020 | COHU | S | 4,000 | $26.30 | $105,200 | 565,155 Direct | -0.70% | Disposed | 113.4% (price as of 2026-08-19) |
| Nov. 12, 2020 | COHU | S | 4,000 | $25.50 | $102,000 | 565,155 Direct | -0.70% | Disposed | 120.1% (price as of 2026-08-19) |
| May 5, 2017 | COHU | S 10b5-1 | 7,165 | $18.99 | $136,063 | 363,686 Direct | -1.93% | Disposed | 195.5% (price as of 2026-08-19) |
| May 5, 2017 | COHU | S 10b5-1 | 13,556 | $19.07 | $258,513 | 363,686 Direct | -3.59% | Disposed | 194.3% (price as of 2026-08-19) |
| May 4, 2017 | COHU | S 10b5-1 | 5,056 | $19.62 | $99,199 | 363,686 Direct | -1.37% | Disposed | 186.0% (price as of 2026-08-19) |
| May 4, 2017 | COHU | S 10b5-1 | 30,000 | $19.55 | $586,500 | 363,686 Direct | -7.62% | Disposed | 187.1% (price as of 2026-08-19) |
| May 4, 2017 | COHU | S 10b5-1 | 14,750 | $19.48 | $287,330 | 363,686 Direct | -3.90% | Disposed | 188.1% (price as of 2026-08-19) |
| May 4, 2017 | COHU | S 10b5-1 | 194 | $19.20 | $3,725 | 363,686 Direct | -0.05% | Disposed | 192.3% (price as of 2026-08-19) |
| May 3, 2017 | COHU | S 10b5-1 | 15,000 | $19.27 | $289,050 | 363,686 Direct | -3.96% | Disposed | 191.2% (price as of 2026-08-19) |
| May 3, 2017 | COHU | S 10b5-1 | 20,000 | $19.27 | $385,400 | 363,686 Direct | -5.21% | Disposed | 191.2% (price as of 2026-08-19) |
| May 3, 2017 | COHU | S 10b5-1 | 14,000 | $19.26 | $269,640 | 363,686 Direct | -3.71% | Disposed | 191.4% (price as of 2026-08-19) |
| May 3, 2017 | COHU | S 10b5-1 | 1,000 | $19.64 | $19,640 | 363,686 Direct | -0.27% | Disposed | 185.8% (price as of 2026-08-19) |
| May 2, 2017 | COHU | S 10b5-1 | 9,000 | $19.89 | $179,010 | 363,686 Direct | -2.41% | Disposed | 182.2% (price as of 2026-08-19) |
Showing latest 100 of 145 transactions
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Jan. 28, 2026 | CLS | Restricted Share Units | Common Shares (37) | — | — | 37 | Acquired |
| Dec. 31, 2025 | CLS | Director Share Units | Common Shares (267) | — | — | 267 | Acquired |
| Sept. 30, 2025 | CLS | Director Share Units | Common Shares (325) | — | — | 325 | Acquired |
| June 30, 2025 | CLS | Director Share Units | Common Shares (524) | — | — | 524 | Acquired |
| March 31, 2025 | CLS | Deferred Share Units | Common Shares (976) | — | — | 976 | Acquired |
| Dec. 31, 2024 | CLS | Deferred Share Units | Common Shares (771) | — | — | 771 | Acquired |
| Nov. 17, 2020 | COHU | Employee Stock Options (right to buy) | Common Stock (5,000) | $9.44 | March 26, 2023 | 5,000 | Disposed |
| Nov. 17, 2020 | COHU | Employee Stock Options (right to buy) | Common Stock (5,000) | $9.44 | March 26, 2023 | 5,000 | Disposed |
| Nov. 16, 2020 | COHU | Employee Stock Options (right to buy) | Common Stock (5,000) | $9.44 | March 26, 2023 | 5,000 | Disposed |
| Nov. 12, 2020 | COHU | Employee Stock Options (right to buy) | Common Stock (4,000) | $9.44 | March 26, 2023 | 4,000 | Disposed |
| Nov. 12, 2020 | COHU | Employee Stock Options (right to buy) | Common Stock (4,000) | $9.44 | March 26, 2023 | 4,000 | Disposed |
| Aug. 12, 2019 | COHU | Employee Stock Option (right to buy) | Common Stock (22,000) | $9.44 | March 26, 2023 | 22,000 | Disposed |
| May 5, 2017 | COHU | Employee Stock Option (Right to Buy) | Common Stock (7,165) | $10.58 | March 6, 2022 | 7,165 | Disposed |
| May 5, 2017 | COHU | Employee Stock Option (Right to Buy) | Common Stock (13,556) | $13.77 | Oct. 26, 2020 | 13,556 | Disposed |
| May 4, 2017 | COHU | Employee Stock Option (Right to Buy) | Common Stock (5,056) | $9.44 | March 26, 2023 | 5,056 | Disposed |
| May 4, 2017 | COHU | Employee Stock Option (Right to Buy) | Common Stock (30,000) | $10.58 | March 6, 2022 | 30,000 | Disposed |
| May 4, 2017 | COHU | Employee Stock Option (Right to Buy) | Common Stock (14,750) | $15.85 | Jan. 10, 2021 | 14,750 | Disposed |
| May 4, 2017 | COHU | Employee Stock Option (Right to Buy) | Common Stock (194) | $13.77 | Oct. 26, 2020 | 194 | Disposed |
| May 3, 2017 | COHU | Employee Stock Option (Right to Buy) | Common Stock (15,000) | $9.44 | March 26, 2023 | 15,000 | Disposed |
| May 3, 2017 | COHU | Employee Stock Option (Right to Buy) | Common Stock (20,000) | $10.58 | March 6, 2022 | 20,000 | Disposed |
| May 3, 2017 | COHU | Employee Stock Option (Right to Buy) | Common Stock (14,000) | $15.85 | Jan. 10, 2021 | 14,000 | Disposed |
| May 3, 2017 | COHU | Employee Stock Option (Right to Buy) | Common Stock (1,000) | $13.77 | Oct. 26, 2020 | 1,000 | Disposed |
| May 2, 2017 | COHU | Employee Stock Option (Right to Buy) | Common Stock (9,000) | $13.77 | Oct. 26, 2020 | 9,000 | Disposed |
| May 2, 2017 | COHU | Employee Stock Option (Right to Buy) | Common Stock (33,750) | $7.32 | March 20, 2019 | 33,750 | Disposed |
| May 2, 2017 | COHU | Employee Stock Option (Right to Buy) | Common Stock (7,250) | $15.50 | Dec. 4, 2017 | 7,250 | Disposed |
| March 26, 2013 | COHU | Employee Stock Option (Right to Buy) | Common Stock (65,056) | $9.44 | March 26, 2023 | 65,056 | Acquired |
| March 6, 2012 | COHU | Employee Stock Option (Right to Buy) | Common Stock (57,165) | $10.58 | March 6, 2022 | 57,165 | Acquired |
| Jan. 10, 2011 | COHU | Employee Stock Option (Right to Buy) | Common Stock (28,750) | $15.85 | Jan. 10, 2021 | 28,750 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 6 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Dec. 19, 2024 | CLS | Deferred Share Units→ Common Shares (41,792) | 41,792 | Direct |
| Jan. 10, 2011 | COHU | Common Stock | — | Direct |
| Jan. 10, 2011 | COHU | Employee Stock Option (Right to Buy)→ Common Stock (7,250) | 7,250 | Direct |
| Jan. 10, 2011 | COHU | Employee Stock Option (Right to Buy)→ Common Stock (45,000) | 45,000 | Direct |
| Jan. 10, 2011 | COHU | Employee Stock Option (Right to Buy)→ Common Stock (23,750) | 23,750 | Direct |
| Jan. 10, 2011 | COHU | Employee Stock Option (Right to Buy)→ Common Stock (8,750) | 8,750 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $715,000 | — | $3,508,493 | — | $250,345 | — | $24,221 | $4,498,059 |
| 2022 | $667,307 | — | $3,321,901 | — | $1,303,528 | — | $22,550 | $5,315,286 |
| 2012 | $310,000 | $25,000 | — | — | $136,222 | — | $13,022 | $1,216,882 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.