CALX CALIX, INC
Last updated: Mar 17, 2026
Execution Consistency
Did the company actually spend money buying back stock in 3+ of the last 4 quarters?
Bought back stock in 2/4 quarters. Q3 2025: $0M, Q2 2025: $0M, Q1 2025: $4M, Q3 2024: $32M
Execution Acceleration
Is the most recent quarter's buyback spend more than 15% above the trailing average?
Latest quarter $0M vs trailing avg $12M (-100%)
Buyback vs FCF
What percentage of free cash flow is going to buybacks? Bull: 30-80%. Bear: <10% or >80%.
Buyback $36M / FCF $28M = 130% of FCF
Buyback Intensity
How fast are they shrinking the float? Bull: 2%+ annually. Bear: under 0.5%.
Repurchased 5,700,000 shares = 8.6% of 66,434,000 outstanding (annualized)
Insider Buying
Are officers and directors buying stock with their own money on the open market?
15 open-market purchases by 3 insiders
- Weening Michael (President & CEO) bought 341 shares at $34.98 on 2023-08-14
- LISTWIN DONALD J () bought 10,000 shares at $50.94 on 2022-02-04
- LISTWIN DONALD J () bought 23 shares at $74.36 on 2021-11-04
- LISTWIN DONALD J () bought 15,000 shares at $60.00 on 2021-10-28
- Weening Michael (President & COO) bought 337 shares at $31.28 on 2021-08-14
- LISTWIN DONALD J () bought 20,000 shares at $35.75 on 2021-02-09
- LISTWIN DONALD J () bought 20,000 shares at $22.53 on 2020-11-10
- SINDELAR CORY (Chief Financial Officer) bought 5,000 shares at $19.75 on 2020-08-31
- LISTWIN DONALD J () bought 21,936 shares at $20.40 on 2020-08-26
- LISTWIN DONALD J () bought 5,109 shares at $19.82 on 2020-08-25
Insider-Buyback Convergence
Are insider purchases happening during the same quarters the company is actively buying back stock?
Insider buying coincided with company buybacks in 1 of 4 quarters
- Q3 2024: Weening Michael bought while company spent $32M
Insider Net Direction
Looking at all open-market transactions, are insiders net buyers or net sellers?
Insiders bought $5M, sold $193M (net selling)
Red Flag
Active buyback + insiders net selling 3x+ more than buying. Company cash may be supporting price while insiders exit.
Company buying back stock while insiders sold 42.0x more than bought. 4 C-suite officers among sellers
- Eleniak Shane Todd Marshall (Chief Product Officer) sold 24,000 shares on 2025-11-10
- SINDELAR CORY (Chief Financial Officer) sold 50,000 shares on 2025-11-06
- Eleniak Shane Todd Marshall (Chief Product Officer) sold 50,000 shares on 2025-11-04
- Weening Michael (President & CEO) sold 150,000 shares on 2025-10-30
- Weening Michael (President & CEO) sold 50,000 shares on 2025-10-30
- Weening Michael (President & CEO) sold 74,000 shares on 2025-11-03
- SINDELAR CORY (Chief Financial Officer) sold 10,000 shares on 2025-10-30
- SINDELAR CORY (Chief Financial Officer) sold 10,000 shares on 2025-10-31
- Weening Michael (President & CEO) sold 150,000 shares on 2025-09-10
- Weening Michael (President & CEO) sold 7,990 shares on 2025-09-10