Company: LGNZZ
Filing Date: 2025-04-22
Form Type: DEF 14A
Source: 0000886163-25-000025
Chunk: 17

Company: LIGAND PHARMACEUTICALS INC
Filing Date: 2025-04-22
Form: DEF 14A
Chunk 17
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 of such options. In addition, put and call options and other hedging transactions are not permitted under a 10b5-1 trading plan implemented by any officer, director or employee. Aside from such prohibitions, we do not maintain any other policies regarding hedging transactions by our directors, officers and employees. In addition, with regard to our Company’s trading in our own securities, it is our policy to comply with the federal securities laws and the applicable exchange listing requirements. A copy of our Insider Trading Compliance Program is attached as Exhibit 19.1to our Annual Report on Form 10-K for the fiscal year ended December 31, 2024 filed with the SEC on February 28, 2025.

### CORPORATE AND GOVERNANCE HIGHLIGHTS
Our Board is highly committed to policies and practices that we believe support long-term performance by promoting, among other things, environmental sustainability, strong corporate governance, and a healthy and engaged workforce. We believe that attention to these factors strengthens our open and collaborative culture and enhances our ability to attract and retain top talent, which we believe is a key driver of engagement and innovation. We create a workplace where all employees are treated with dignity and respect, and individual differences are valued, all with the goal of securing the trust and satisfaction of our employees. We foster this culture through our robust learning and development program and our competitive compensation and health and benefit programs. Our culture supports inclusion, individuality and respect within the workplace. We will continue our proactive stockholder and employee engagement in 2025. See www.ligand.com for information about our environmental and workplace initiatives policies and practices.

#### ENVIRONMENTAL, HEALTH AND SAFETY
We are committed to providing a safe and healthy workplace, minimizing environmental risk, and complying with all relevant regulations and industry standards. We establish and monitor programs to prevent injuries and maintain compliance with applicable regulations. These practices support our operational resilience and maintain a healthy and safe environment. During 2024 and early 2025, we completed our $2.6 million solar investment at Kansas University Innovation Park, implemented other green initiatives that reduce our overall carbon footprint, implemented employee programs to educate and provide incentives for conservation, enhanced recycling and disposal programs for corporate and laboratory materials and electronic waste, and installed low-voltage lighting in offices. We expect to continue our effort and to refine our environmental and workplace initiatives, programs, policies and practices in 2025 as part of our ongoing focus on safety, compliance, and responsible operations.

### COMMUNICATING WITH THE