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  4. [Form 4] Navios Maritime Partners L.P. Insider Trading Activity

Angeliki Frangou (NMM) adds units under Rule 10b5-1 trading plan

Filing Impact
(Moderate)
Filing Sentiment
(Positive)
Form Type
4

Rhea-AI Filing Summary

Navios Maritime Partners L.P. reporting person Angeliki Frangou, through affiliated entities, made open-market purchases of common units under a pre-arranged Rule 10b5-1 trading plan. On April 17, 20 and 21, 2026, affiliated entity Raymar Investments S.A. bought a total of 3,581 common units at weighted average prices around $69–$70 per unit.

After these transactions, indirect beneficial ownership in common units reported for Ms. Frangou rose to about 4.7 million units, alongside 366,766 common units held directly. An affiliated entity, Olympos Maritime Ltd., also holds 622,296 general partnership units, representing approximately 2.1% of Navios Maritime Partners’ outstanding common and general partnership units as of April 21, 2026.

Positive

  • None.

Negative

  • None.
Insider Frangou Angeliki
Role See Remarks
Bought 3,581 shs ($251K)
Type Security Shares Price Value
Purchase Common Unit 1,190 $69.2251 $82K
Purchase Common Unit 1,190 $70.2968 $84K
Purchase Common Unit 1,201 $70.3947 $85K
holding Common Unit -- -- --
holding General Partnership Unit -- -- --
Holdings After Transaction: Common Unit — 4,703,078 shares (Indirect, See footnote); Common Unit — 366,766 shares (Direct, null); General Partnership Unit — 622,296 shares (Indirect, See footnote)
Footnotes (1)
  1. The transactions reported herein were made pursuant to a Rule 10b5-1 trading plan between Raymar Investments S.A., an entity affiliated with Ms. Frangou, and UBS Financial Services Inc. adopted on December 9, 2025. The transactions reported herein were effected in multiple transactions each day at prices ranging from (1) $69.62 to $70.73 on April 17, 2026; (2) $69.52 to $70.80 on April 20, 2026; and (3) $68.56 to $70.21 on April 21, 2026. The prices reported above reflect the weighted average purchase prices on each such day for the transactions reported herein. The Reporting Person hereby undertakes to provide upon request to the Staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer full information regarding the number of shares and the prices at which these reported transactions were effected each day. The number of common units beneficially owned by Ms. Frangou includes (i) 3,183,199 common units owned indirectly through N Shipmanagement Acquisition Corp., an entity affiliated with her; (ii) 1,489,115 common units in the aggregate owned indirectly through three other entities affiliated with her and (iii) 28,384 common units owned through Raymar Investments S.A., an entity affiliated with Ms. Frangou, pursuant to a Rule 10b5-1 trading plan with UBS Financial Services Inc as of April 17, 2026. The number of common units beneficially owned by Ms. Frangou includes (i) 3,183,199 common units owned indirectly through N Shipmanagement Acquisition Corp., an entity affiliated with her; (ii) 1,489,115 common units in the aggregate owned indirectly through three other entities affiliated with her and (iii) 29,574 common units owned through Raymar Investments S.A., an entity affiliated with Ms. Frangou, pursuant to a Rule 10b5-1 trading plan with UBS Financial Services Inc as of April 20, 2026. The number of common units beneficially owned by Ms. Frangou includes (i) 3,183,199 common units owned indirectly through N Shipmanagement Acquisition Corp., an entity affiliated with her; (ii) 1,489,115 common units in the aggregate owned indirectly through three other entities affiliated with her and (iii) 30,764 common units owned through Raymar Investments S.A., an entity affiliated with Ms. Frangou, pursuant to a Rule 10b5-1 trading plan with UBS Financial Services Inc as of April 21, 2026. Olympos Maritime Ltd., an entity affiliated with Ms. Frangou, is the general partner (the "General Partner") of Navios Maritime Partners L.P. ("NMM"). As of April 21, 2026, the General Partner owns 622,296 general partnership units, representing an approximately 2.1% ownership interest in NMM based on all outstanding common units and general partnership units.
Units purchased April 17, 2026 1,201 common units at $70.3947 Open-market purchase via affiliated entity
Units purchased April 20, 2026 1,190 common units at $70.2968 Open-market purchase via affiliated entity
Units purchased April 21, 2026 1,190 common units at $69.2251 Open-market purchase via affiliated entity
Total units bought in period 3,581 common units Net open-market purchases in April 2026
Indirect common units after trades 4,703,078 units Beneficially owned indirectly after April 21, 2026
Direct common units holding 366,766 units Directly owned common units as of April 17, 2026
General partnership units 622,296 units (~2.1%) Held by Olympos Maritime Ltd. as of April 21, 2026
Rule 10b5-1 trading plan financial
"pursuant to a Rule 10b5-1 trading plan with UBS Financial Services Inc"
A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.
weighted average purchase prices financial
"The prices reported above reflect the weighted average purchase prices on each such day"
beneficially owned financial
"The number of common units beneficially owned by Ms. Frangou includes (i) 3,183,199 common units"
Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.
general partnership units financial
"the General Partner owns 622,296 general partnership units, representing an approximately 2.1% ownership interest"
open-market purchase financial
"transaction_action": "open-market purchase""
An open-market purchase is when an investor or a company buys shares on a public stock exchange at the going market price, rather than through a private deal. It matters to investors because these purchases change how many shares are available, can push the stock price up or signal confidence from large buyers, and often affect per-share metrics like earnings—think of it like someone buying lots of apples off a grocery shelf, reducing supply and potentially raising the price.
Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
X
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*
Frangou Angeliki
(Last)(First)(Middle)
C/O NAVIOS SHIPMANAGEMENT INC.
85 AKTI MIAOULI
(Street)
PIRAEUSGREECE18538
(City)(State)(Zip)
GREECE
(Country)		2. Issuer Name and Ticker or Trading Symbol
Navios Maritime Partners L.P. [ NMM ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirectorX10% Owner
XOfficer (give title below)Other (specify below)
See Remarks
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
04/17/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Unit04/17/2026P(1)1,201A$70.3947(2)4,700,698ISee footnote(3)
Common Unit04/20/2026P(1)1,190A$70.2968(2)4,701,888ISee footnote(4)
Common Unit04/21/2026P(1)1,190A$69.2251(2)4,703,078ISee footnote(5)
Common Unit366,766D
General Partnership Unit622,296ISee footnote(6)
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. The transactions reported herein were made pursuant to a Rule 10b5-1 trading plan between Raymar Investments S.A., an entity affiliated with Ms. Frangou, and UBS Financial Services Inc. adopted on December 9, 2025.
2. The transactions reported herein were effected in multiple transactions each day at prices ranging from (1) $69.62 to $70.73 on April 17, 2026; (2) $69.52 to $70.80 on April 20, 2026; and (3) $68.56 to $70.21 on April 21, 2026. The prices reported above reflect the weighted average purchase prices on each such day for the transactions reported herein. The Reporting Person hereby undertakes to provide upon request to the Staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer full information regarding the number of shares and the prices at which these reported transactions were effected each day.
3. The number of common units beneficially owned by Ms. Frangou includes (i) 3,183,199 common units owned indirectly through N Shipmanagement Acquisition Corp., an entity affiliated with her; (ii) 1,489,115 common units in the aggregate owned indirectly through three other entities affiliated with her and (iii) 28,384 common units owned through Raymar Investments S.A., an entity affiliated with Ms. Frangou, pursuant to a Rule 10b5-1 trading plan with UBS Financial Services Inc as of April 17, 2026.
4. The number of common units beneficially owned by Ms. Frangou includes (i) 3,183,199 common units owned indirectly through N Shipmanagement Acquisition Corp., an entity affiliated with her; (ii) 1,489,115 common units in the aggregate owned indirectly through three other entities affiliated with her and (iii) 29,574 common units owned through Raymar Investments S.A., an entity affiliated with Ms. Frangou, pursuant to a Rule 10b5-1 trading plan with UBS Financial Services Inc as of April 20, 2026.
5. The number of common units beneficially owned by Ms. Frangou includes (i) 3,183,199 common units owned indirectly through N Shipmanagement Acquisition Corp., an entity affiliated with her; (ii) 1,489,115 common units in the aggregate owned indirectly through three other entities affiliated with her and (iii) 30,764 common units owned through Raymar Investments S.A., an entity affiliated with Ms. Frangou, pursuant to a Rule 10b5-1 trading plan with UBS Financial Services Inc as of April 21, 2026.
6. Olympos Maritime Ltd., an entity affiliated with Ms. Frangou, is the general partner (the "General Partner") of Navios Maritime Partners L.P. ("NMM"). As of April 21, 2026, the General Partner owns 622,296 general partnership units, representing an approximately 2.1% ownership interest in NMM based on all outstanding common units and general partnership units.
Remarks:
Chief Executive Officer & Chairwoman of the Board
/s/ Todd Mason, by POA from Angeliki Frangou, Chairwoman of the Board, Chief Executive Officer and Director04/21/2026
** Signature of Reporting PersonDate
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.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transactions did Angeliki Frangou report for Navios Maritime Partners (NMM)?

Angeliki Frangou reported open-market purchases of common units via affiliated entity Raymar Investments S.A. on April 17, 20 and 21, 2026. These trades were executed under a Rule 10b5-1 trading plan with UBS Financial Services Inc., indicating a pre-arranged, scheduled buying program.

How many Navios Maritime Partners (NMM) common units were purchased in this Form 4?

The filing shows affiliated entities acquired a total of 3,581 common units. Individual trades included 1,201 units on April 17, 1,190 units on April 20, and 1,190 units on April 21, 2026. All were reported as open-market purchases, increasing Ms. Frangou’s indirect holdings.

At what prices were the Navios Maritime Partners (NMM) units bought?

The reported weighted average purchase prices were $70.3947 on April 17, $70.2968 on April 20, and $69.2251 on April 21, 2026. Footnotes note actual trades occurred in ranges roughly between $68.56 and $70.80, with full trade breakdowns available upon request.

What are Angeliki Frangou’s reported common unit holdings in Navios Maritime Partners after these trades?

After the transactions, the filing shows 4,703,078 common units beneficially owned indirectly and 366,766 common units held directly. Indirect holdings are spread across several affiliated entities, including N Shipmanagement Acquisition Corp. and other entities associated with Ms. Frangou.

What is the significance of the general partnership units mentioned in the NMM Form 4?

An affiliated entity, Olympos Maritime Ltd., is Navios Maritime Partners’ general partner and holds 622,296 general partnership units. As of April 21, 2026, this position represents approximately 2.1% ownership interest in the partnership, based on all outstanding common and general partnership units.

Was the Navios Maritime Partners (NMM) insider buying discretionary or under a plan?

The purchases were made under a Rule 10b5-1 trading plan between Raymar Investments S.A., an entity affiliated with Ms. Frangou, and UBS Financial Services Inc., adopted on December 9, 2025. Such plans are pre-arranged and automate trading, reducing the significance of trade timing.