# EDGAR Filing Document

**Accession Number:** 0001248580
**File Stem:** 0001248580-25-000007
**Filing Date:** 2025-12
**Character Count:** 8182
**Document Hash:** 131e98040967cc3ffac94d5d03765ebc
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001248580-25-000007.hdr.sgml**: 20251216

**ACCESSION NUMBER**: 0001248580-25-000007

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251212

**FILED AS OF DATE**: 20251216

**DATE AS OF CHANGE**: 20251216

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** CALAMOS JOHN P SR
- **CENTRAL INDEX KEY:** 0001248580

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 811-23295
- **FILM NUMBER:** 251574193

**MAIL ADDRESS:**
- **STREET 1:** 2020 CALAMOS COURT
- **CITY:** NAPERVILLE
- **STATE:** IL
- **ZIP:** 60563
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Calamos Long/Short Equity & Dynamic Income Trust
- **CENTRAL INDEX KEY:** 0001717457

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1031

**BUSINESS ADDRESS:**
- **STREET 1:** 2020 CALAMOS COURT
- **CITY:** NAPERVILLE
- **STATE:** IL
- **ZIP:** 60563
- **BUSINESS PHONE:** 630-245-7200

**MAIL ADDRESS:**
- **STREET 1:** 2020 CALAMOS COURT
- **CITY:** NAPERVILLE
- **STATE:** IL
- **ZIP:** 60563

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Calamos Long/Short Equity & Dynamic Income Term Trust
- **DATE OF NAME CHANGE:** 20190604

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Calamos Long/Short Equity & Income 2028 Term Trust
- **DATE OF NAME CHANGE:** 20171107

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Calamos Long/Short Equity Income 2028 Term Trust
- **DATE OF NAME CHANGE:** 20170919

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>CALAMOS JOHN P SR<br><sub>(Last) (First) (Middle)</sub><br>2020 CALAMOS COURT<br><sub>(Street)</sub><br>NAPERVILLE, IL 60563<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-12-12 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_President and Chairman_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Calamos Long/Short Equity & Dynamic Income Trust [ CPZ ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Stock | 2025-12-12 |  | S |  | 2100 | D | $14.64 | 71417.16 | I | By John P. Calamos 1985 Trust |
| Common Stock | 2025-12-12 |  | S |  | 800 | D | $14.69 | 70617.16 | I | By John P. Calamos 1985 Trust |
| Common Stock | 2025-12-12 |  | S |  | 1900 | D | $14.65 | 68717.16 | I | By John P. Calamos 1985 Trust |
| Common Stock | 2025-12-12 |  | S |  | 2400 | D | $14.6 | 66317.16 | I | By John P. Calamos 1985 Trust |
| Common Stock | 2025-12-12 |  | S |  | 2535 | D | $14.63 | 63782.16 | I | By John P. Calamos 1985 Trust |
| Common Stock | 2025-12-12 |  | S |  | 2000 | D | $14.62 | 61782.16 | I | By John P. Calamos 1985 Trust |
| Common Stock | 2025-12-12 |  | S |  | 1185 | D | $14.56 | 60597.16 | I | By John P. Calamos 1985 Trust |
| Common Stock | 2025-12-12 |  | S |  | 980 | D | $14.55 | 59617.16 | I | By John P. Calamos 1985 Trust |
| Common Stock | 2025-12-12 |  | S |  | 300 | D | $14.57 | 59317.16 | I | By John P. Calamos 1985 Trust |
| Common Stock | 2025-12-12 |  | S |  | 200 | D | $14.68 | 59117.16 | I | By John P. Calamos 1985 Trust |
| Common Stock | 2025-12-12 |  | S |  | 600 | D | $14.61 | 58817.16 | I | By John P. Calamos 1985 Trust |
| Common Stock | 2025-12-15 |  | S |  | 1400 | D | $14.64 | 57417.16 | I | By John P. Calamos 1985 Trust |
| Common Stock | 2025-12-15 |  | S |  | 1599 | D | $14.63 | 55818.16 | I | By John P. Calamos 1985 Trust |
| Common Stock | 2025-12-15 |  | S |  | 2726 | D | $14.62 | 53092.16 | I | By John P. Calamos 1985 Trust |
| Common Stock | 2025-12-15 |  | S |  | 5475 | D | $14.61 | 47617.16 | I | By John P. Calamos 1985 Trust |
| Common Stock | 2025-12-15 |  | S |  | 2500 | D | $14.6 | 45117.16 | I | By John P. Calamos 1985 Trust |
| Common Stock | 2025-12-15 |  | S |  | 1300 | D | $14.59 | 43817.16 | I | By John P. Calamos 1985 Trust |
| Common Stock | 2025-12-15 |  | S |  | 500 | D | $14.58 | 43317.16 | I | By John P. Calamos 1985 Trust |
| Common Stock | 2025-12-15 |  | S |  | 1320 | D | $14.57 | 41997.16 | I | By John P. Calamos 1985 Trust |
| Common Stock | 2025-12-15 |  | S |  | 3180 | D | $14.56 | 38817.16 | I | By John P. Calamos 1985 Trust |
| Common Stock |  |  |  |  |  |  |  | 7194.24 | I | By Calamos Advisors LLC |
| Common Stock |  |  |  |  |  |  |  | 67508 | I | By Calamos Family Parters, Inc. |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

---

**Remarks:**
The reporting person disclaims beneficial ownership of any such securities, except to the extent of their pecuniary interest therein.

**Signature:** /s/ John P. Calamos Sr.  
**Date:** 2025-12-16

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**