Luis A Muller
First SEC filing: June 9, 2026 · Latest: June 9, 2026
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 |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 25, 2026 | COHU | S 10b5-1 | 27,236 | $65.00 | $1,770,340 | 844,589 Direct | -3.12% | Disposed | 13.0% (price as of 2026-10-02) |
| Sept. 21, 2026 | COHU | S 10b5-1 | 55,794 | $60.00 | $3,347,640 | 871,825 Direct | -6.01% | Disposed | 22.5% (price as of 2026-10-02) |
| June 5, 2026 | RAL | A | 3,225 | · | · | 8,691 Direct | +59.00% | Acquired | (price as of 2026-10-02) |
| June 5, 2026 | RAL | A | 1,698 | $58.92 | $100,046 | 10,389 Direct | +19.54% | Acquired | 24.2% (price as of 2026-10-02) |
| May 22, 2026 | COHU | S | 45,154 | $46.62 | $2,105,079 | 927,619 Direct | -4.64% | Disposed | 57.6% (price as of 2026-10-02) |
| March 14, 2026 | COHU | F | 13,271 | · | · | 1,038,779 Direct | -1.26% | Disposed | (price as of 2026-10-02) |
| March 14, 2026 | COHU | J | 66,006 | · | · | 972,773 Direct | -6.35% | Disposed | (price as of 2026-10-02) |
| March 12, 2026 | COHU | F | 8,851 | · | · | 1,052,050 Direct | -0.83% | Disposed | (price as of 2026-10-02) |
| March 11, 2026 | COHU | F | 17,376 | · | · | 1,060,901 Direct | -1.61% | Disposed | (price as of 2026-10-02) |
| March 10, 2026 | COHU | A | 98,071 | · | · | 980,206 Direct | +11.12% | Acquired | (price as of 2026-10-02) |
| March 10, 2026 | COHU | A | 98,071 | · | · | 1,078,277 Direct | +10.01% | Acquired | (price as of 2026-10-02) |
| Jan. 28, 2026 | CLS | A | 37 | · | · | 37 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 31, 2025 | CLS | A | 267 | · | · | 1,116 Direct | +31.45% | Acquired | (price as of 2026-10-02) |
| Sept. 30, 2025 | CLS | A | 325 | · | · | 849 Direct | +62.02% | Acquired | (price as of 2026-10-02) |
| June 30, 2025 | RAL | A | 3,403 | · | · | 3,403 Direct | · | Acquired | (price as of 2026-10-02) |
| June 30, 2025 | RAL | A | 2,063 | $48.49 | $100,035 | 5,466 Direct | +60.62% | Acquired | 51.0% (price as of 2026-10-02) |
| June 30, 2025 | CLS | A | 524 | · | · | 524 Direct | · | Acquired | (price as of 2026-10-02) |
| March 31, 2025 | CLS | A | 976 | · | · | 43,539 Direct | +2.29% | Acquired | (price as of 2026-10-02) |
| March 15, 2025 | COHU | F | 3,833 | · | · | 882,135 Direct | -0.43% | Disposed | (price as of 2026-10-02) |
| March 14, 2025 | COHU | J | 32,742 | · | · | 911,062 Direct | -3.47% | Disposed | (price as of 2026-10-02) |
| March 14, 2025 | COHU | F | 25,094 | · | · | 885,968 Direct | -2.75% | Disposed | (price as of 2026-10-02) |
| March 12, 2025 | COHU | F | 8,946 | · | · | 943,804 Direct | -0.94% | Disposed | (price as of 2026-10-02) |
| March 11, 2025 | COHU | A | 97,067 | · | · | 807,149 Direct | +13.67% | Acquired | (price as of 2026-10-02) |
| March 11, 2025 | COHU | A | 145,601 | · | · | 952,750 Direct | +18.04% | Acquired | (price as of 2026-10-02) |
| Dec. 31, 2024 | CLS | A | 771 | · | · | 42,563 Direct | +1.84% | Acquired | (price as of 2026-10-02) |
| March 17, 2024 | COHU | F | 10,795 | · | · | 710,082 Direct | -1.50% | Disposed | (price as of 2026-10-02) |
| March 15, 2024 | COHU | J | 3,547 | · | · | 738,109 Direct | -0.48% | Disposed | (price as of 2026-10-02) |
| March 15, 2024 | COHU | F | 17,232 | · | · | 720,877 Direct | -2.33% | Disposed | (price as of 2026-10-02) |
| March 14, 2024 | COHU | F | 13,222 | · | · | 741,656 Direct | -1.75% | Disposed | (price as of 2026-10-02) |
| March 12, 2024 | COHU | A | 49,443 | · | · | 680,713 Direct | +7.83% | Acquired | (price as of 2026-10-02) |
| March 12, 2024 | COHU | A | 74,165 | · | · | 754,878 Direct | +10.90% | Acquired | (price as of 2026-10-02) |
| March 19, 2023 | COHU | F | 7,568 | · | · | 631,270 Direct | -1.18% | Disposed | (price as of 2026-10-02) |
| March 17, 2023 | COHU | F | 68,871 | · | · | 638,838 Direct | -9.73% | Disposed | (price as of 2026-10-02) |
| March 15, 2023 | COHU | F | 3,662 | · | · | 674,080 Direct | -0.54% | Disposed | (price as of 2026-10-02) |
| March 14, 2023 | COHU | F | 7,021 | · | · | 677,742 Direct | -1.03% | Disposed | (price as of 2026-10-02) |
| March 14, 2023 | COHU | A | 66,006 | · | · | 684,763 Direct | +10.67% | Acquired | (price as of 2026-10-02) |
| March 14, 2023 | COHU | A | 44,004 | · | · | 618,757 Direct | +7.66% | Acquired | (price as of 2026-10-02) |
| March 20, 2022 | COHU | F | 3,812 | · | · | 574,753 Direct | -0.66% | Disposed | (price as of 2026-10-02) |
| March 19, 2022 | COHU | F | 20,334 | · | · | 578,565 Direct | -3.40% | Disposed | (price as of 2026-10-02) |
| March 17, 2022 | COHU | F | 10,004 | · | · | 631,789 Direct | -1.56% | Disposed | (price as of 2026-10-02) |
| March 15, 2022 | COHU | F | 3,546 | · | · | 641,793 Direct | -0.55% | Disposed | (price as of 2026-10-02) |
| March 14, 2022 | COHU | A | 54,844 | · | · | 645,339 Direct | +9.29% | Acquired | (price as of 2026-10-02) |
| March 14, 2022 | COHU | A | 54,844 | · | · | 590,495 Direct | +10.24% | Acquired | (price as of 2026-10-02) |
| Aug. 13, 2021 | COHU | P | 3,200 | $31.22 | $99,904 | 535,651 Direct | +0.60% | Acquired | 135.4% (price as of 2026-10-02) |
| March 22, 2021 | COHU | F | 4,648 | · | · | 532,451 Direct | -0.87% | Disposed | (price as of 2026-10-02) |
| March 20, 2021 | COHU | F | 22,427 | · | · | 537,099 Direct | -4.01% | Disposed | (price as of 2026-10-02) |
| March 19, 2021 | COHU | F | 7,328 | · | · | 552,739 Direct | -1.31% | Disposed | (price as of 2026-10-02) |
| March 17, 2021 | COHU | F | 10,004 | · | · | 560,067 Direct | -1.75% | Disposed | (price as of 2026-10-02) |
| March 15, 2021 | COHU | A | 28,604 | · | · | 570,071 Direct | +5.28% | Acquired | (price as of 2026-10-02) |
| March 15, 2021 | COHU | A | 28,604 | · | · | 541,467 Direct | +5.58% | Acquired | (price as of 2026-10-02) |
| Dec. 4, 2020 | COHU | S | 5,174 | $35.55 | $183,936 | 512,863 Direct | -1.00% | Disposed | 106.7% (price as of 2026-10-02) |
| Dec. 3, 2020 | COHU | S | 9,942 | $35.15 | $349,461 | 518,037 Direct | -1.88% | Disposed | 109.0% (price as of 2026-10-02) |
| Dec. 3, 2020 | COHU | S | 4,439 | $34.85 | $154,699 | 527,979 Direct | -0.83% | Disposed | 110.8% (price as of 2026-10-02) |
| Dec. 3, 2020 | COHU | S | 1,028 | $34.65 | $35,620 | 532,418 Direct | -0.19% | Disposed | 112.1% (price as of 2026-10-02) |
| Dec. 3, 2020 | COHU | S | 9,709 | $33.50 | $325,252 | 533,446 Direct | -1.79% | Disposed | 119.3% (price as of 2026-10-02) |
| Dec. 1, 2020 | COHU | S | 22,000 | $29.70 | $653,400 | 543,155 Direct | -3.89% | Disposed | 147.4% (price as of 2026-10-02) |
| Nov. 17, 2020 | COHU | M | 5,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 17, 2020 | COHU | M | 5,000 | · | · | 5,000 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| Nov. 17, 2020 | COHU | S | 5,000 | $28.70 | $143,500 | 565,155 Direct | -0.88% | Disposed | 156.0% (price as of 2026-10-02) |
| Nov. 17, 2020 | COHU | M | 5,000 | $9.44 | $47,200 | 570,155 Direct | +0.88% | Acquired | 678.4% (price as of 2026-10-02) |
| Nov. 17, 2020 | COHU | S | 5,000 | $28.30 | $141,500 | 565,155 Direct | -0.88% | Disposed | 159.6% (price as of 2026-10-02) |
| Nov. 17, 2020 | COHU | M | 5,000 | $9.44 | $47,200 | 570,155 Direct | +0.88% | Acquired | 678.4% (price as of 2026-10-02) |
| Nov. 16, 2020 | COHU | M | 5,000 | · | · | 10,000 Direct | -33.33% | Disposed | (price as of 2026-10-02) |
| Nov. 16, 2020 | COHU | S | 5,000 | $27.50 | $137,500 | 565,155 Direct | -0.88% | Disposed | 167.2% (price as of 2026-10-02) |
| Nov. 16, 2020 | COHU | M | 5,000 | $9.44 | $47,200 | 570,155 Direct | +0.88% | Acquired | 678.4% (price as of 2026-10-02) |
| Nov. 12, 2020 | COHU | M | 4,000 | · | · | 15,000 Direct | -21.05% | Disposed | (price as of 2026-10-02) |
| Nov. 12, 2020 | COHU | M | 4,000 | · | · | 19,000 Direct | -17.39% | Disposed | (price as of 2026-10-02) |
| Nov. 12, 2020 | COHU | S | 4,000 | $26.30 | $105,200 | 565,155 Direct | -0.70% | Disposed | 179.4% (price as of 2026-10-02) |
| Nov. 12, 2020 | COHU | M | 4,000 | $9.44 | $37,760 | 569,155 Direct | +0.71% | Acquired | 678.4% (price as of 2026-10-02) |
| Nov. 12, 2020 | COHU | S | 4,000 | $25.50 | $102,000 | 565,155 Direct | -0.70% | Disposed | 188.2% (price as of 2026-10-02) |
| Nov. 12, 2020 | COHU | M | 4,000 | $9.44 | $37,760 | 569,155 Direct | +0.71% | Acquired | 678.4% (price as of 2026-10-02) |
| March 22, 2020 | COHU | F | 16,118 | · | · | 565,155 Direct | -2.77% | Disposed | (price as of 2026-10-02) |
| March 20, 2020 | COHU | F | 3,813 | · | · | 605,894 Direct | -0.63% | Disposed | (price as of 2026-10-02) |
| March 19, 2020 | COHU | F | 7,329 | · | · | 609,707 Direct | -1.19% | Disposed | (price as of 2026-10-02) |
| March 17, 2020 | COHU | A | 80,705 | · | · | 617,036 Direct | +15.05% | Acquired | (price as of 2026-10-02) |
| March 17, 2020 | COHU | A | 80,705 | · | · | 536,331 Direct | +17.71% | Acquired | (price as of 2026-10-02) |
| Aug. 12, 2019 | COHU | M | 22,000 | · | · | 23,000 Direct | -48.89% | Disposed | (price as of 2026-10-02) |
| Aug. 12, 2019 | COHU | M | 22,000 | $9.44 | $207,680 | 455,626 Direct | +5.07% | Acquired | 678.4% (price as of 2026-10-02) |
| March 22, 2019 | COHU | F | 14,824 | · | · | 433,626 Direct | -3.31% | Disposed | (price as of 2026-10-02) |
| March 20, 2019 | COHU | F | 3,813 | · | · | 479,238 Direct | -0.79% | Disposed | (price as of 2026-10-02) |
| March 19, 2019 | COHU | A | 59,121 | · | · | 483,051 Direct | +13.95% | Acquired | (price as of 2026-10-02) |
| March 19, 2019 | COHU | A | 59,121 | · | · | 423,930 Direct | +16.21% | Acquired | (price as of 2026-10-02) |
| Dec. 28, 2018 | COHU | F | 5,018 | · | · | 364,809 Direct | -1.36% | Disposed | (price as of 2026-10-02) |
| March 26, 2018 | COHU | F | 4,367 | · | · | 369,827 Direct | -1.17% | Disposed | (price as of 2026-10-02) |
| March 26, 2018 | COHU | F | 3,878 | · | · | 374,194 Direct | -1.03% | Disposed | (price as of 2026-10-02) |
| March 22, 2018 | COHU | F | 14,825 | · | · | 391,580 Direct | -3.65% | Disposed | (price as of 2026-10-02) |
| March 20, 2018 | COHU | A | 30,755 | · | · | 406,405 Direct | +8.19% | Acquired | (price as of 2026-10-02) |
| March 20, 2018 | COHU | A | 30,755 | · | · | 375,650 Direct | +8.92% | Acquired | (price as of 2026-10-02) |
| Dec. 28, 2017 | COHU | F | 5,282 | · | · | 358,404 Direct | -1.45% | Disposed | (price as of 2026-10-02) |
| May 5, 2017 | COHU | M | 7,165 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 5, 2017 | COHU | M | 13,556 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 4, 2017 | COHU | M | 5,056 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 4, 2017 | COHU | M | 30,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 4, 2017 | COHU | M | 14,750 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 4, 2017 | COHU | M | 194 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 3, 2017 | COHU | M | 15,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 3, 2017 | COHU | M | 20,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 3, 2017 | COHU | M | 14,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 3, 2017 | COHU | M | 1,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 24, 2017 | COHU | F | 4,081 | · | · | 375,710 Direct | -1.07% | Disposed | (price as of 2026-10-02) |
Showing latest 100 of 169 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 | Acquired |
| Dec. 31, 2025 | CLS | Director Share Units | Common Shares | · | · | 267 | Acquired |
| Sept. 30, 2025 | CLS | Director Share Units | Common Shares | · | · | 325 | Acquired |
| June 30, 2025 | CLS | Director Share Units | Common Shares | · | · | 524 | Acquired |
| March 31, 2025 | CLS | Deferred Share Units | Common Shares | · | · | 976 | Acquired |
| Dec. 31, 2024 | CLS | Deferred Share Units | Common Shares | · | · | 771 | Acquired |
| Nov. 17, 2020 | COHU | Employee Stock Options (right to buy) | Common Stock | $9.44 | March 26, 2023 | 5,000 | Disposed |
| Nov. 17, 2020 | COHU | Employee Stock Options (right to buy) | Common Stock | $9.44 | March 26, 2023 | 5,000 | Disposed |
| Nov. 16, 2020 | COHU | Employee Stock Options (right to buy) | Common Stock | $9.44 | March 26, 2023 | 5,000 | Disposed |
| Nov. 12, 2020 | COHU | Employee Stock Options (right to buy) | Common Stock | $9.44 | March 26, 2023 | 4,000 | Disposed |
| Nov. 12, 2020 | COHU | Employee Stock Options (right to buy) | Common Stock | $9.44 | March 26, 2023 | 4,000 | Disposed |
| Aug. 12, 2019 | COHU | Employee Stock Option (right to buy) | Common Stock | $9.44 | March 26, 2023 | 22,000 | Disposed |
| May 5, 2017 | COHU | Employee Stock Option (Right to Buy) | Common Stock | $10.58 | March 6, 2022 | 7,165 | Disposed |
| May 5, 2017 | COHU | Employee Stock Option (Right to Buy) | Common Stock | $13.77 | Oct. 26, 2020 | 13,556 | Disposed |
| May 4, 2017 | COHU | Employee Stock Option (Right to Buy) | Common Stock | $9.44 | March 26, 2023 | 5,056 | Disposed |
| May 4, 2017 | COHU | Employee Stock Option (Right to Buy) | Common Stock | $10.58 | March 6, 2022 | 30,000 | Disposed |
| May 4, 2017 | COHU | Employee Stock Option (Right to Buy) | Common Stock | $15.85 | Jan. 10, 2021 | 14,750 | Disposed |
| May 4, 2017 | COHU | Employee Stock Option (Right to Buy) | Common Stock | $13.77 | Oct. 26, 2020 | 194 | Disposed |
| May 3, 2017 | COHU | Employee Stock Option (Right to Buy) | Common Stock | $9.44 | March 26, 2023 | 15,000 | Disposed |
| May 3, 2017 | COHU | Employee Stock Option (Right to Buy) | Common Stock | $10.58 | March 6, 2022 | 20,000 | Disposed |
| May 3, 2017 | COHU | Employee Stock Option (Right to Buy) | Common Stock | $15.85 | Jan. 10, 2021 | 14,000 | Disposed |
| May 3, 2017 | COHU | Employee Stock Option (Right to Buy) | Common Stock | $13.77 | Oct. 26, 2020 | 1,000 | Disposed |
| May 2, 2017 | COHU | Employee Stock Option (Right to Buy) | Common Stock | $13.77 | Oct. 26, 2020 | 9,000 | Disposed |
| May 2, 2017 | COHU | Employee Stock Option (Right to Buy) | Common Stock | $7.32 | March 20, 2019 | 33,750 | Disposed |
| May 2, 2017 | COHU | Employee Stock Option (Right to Buy) | Common Stock | $15.50 | Dec. 4, 2017 | 7,250 | Disposed |
| March 26, 2013 | COHU | Employee Stock Option (Right to Buy) | Common Stock | $9.44 | March 26, 2023 | 65,056 | Acquired |
| March 6, 2012 | COHU | Employee Stock Option (Right to Buy) | Common Stock | $10.58 | March 6, 2022 | 57,165 | Acquired |
| Jan. 10, 2011 | COHU | Employee Stock Option (Right to Buy) | Common Stock | $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 | 41,792 | Direct |
| Jan. 10, 2011 | COHU | Common Stock | · | Direct |
| Jan. 10, 2011 | COHU | Employee Stock Option (Right to Buy) | 7,250 | Direct |
| Jan. 10, 2011 | COHU | Employee Stock Option (Right to Buy) | 45,000 | Direct |
| Jan. 10, 2011 | COHU | Employee Stock Option (Right to Buy) | 23,750 | Direct |
| Jan. 10, 2011 | COHU | Employee Stock Option (Right to Buy) | 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.