Comparable stake leader
Cankut Durgun
SEC ownership of Marti Technologies, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001852767.
Disclosed value leader
Cankut Durgun
Comparable rows
23/23
Latest evidence
30 Jun 2026
- Public ticker
- MRT on NYSE
- Parsed ownership sources
-
3/4/5, 13D/G, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Cankut Durgun
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
23 of 23
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Cankut Durgun
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
30 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001852767
- Issuer location
- Grand Cayman
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Marti Technologies, Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Cankut Durgun
Disclosed value leader
Cankut Durgun
Comparable rows
23/23
Latest evidence
30 Jun 2026
3/4/5
13D/G
13F
Lead comparable stake: 17%
13D/G row: Cankut Durgun
Showing 1-8 of 23 holder rows.
Quick read
Cankut Durgun leads the comparable SEC ownership view at 17%.
23 of 23 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Cankut Durgun's linked filing trail.
Comparable ownership
Top 5
Cankut Durgun
17%
Oguz Alper Oktem
16%
Sumed Equity Ltd.
10%
DLD Asset Management, LP
10%
Daniel Freifeld
10%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 23 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Cankut Durgun |
3/4/5
13D/G
COO, President, Director
|
17%
from 13D/G
|
$35,229,941
17,440,565 shares
|
— | 18 Mar 2026 |
| Oguz Alper Oktem |
3/4/5
13D/G
CEO, Director
|
16%
from 13D/G
|
$34,338,763
16,999,388 shares
|
— | 18 Mar 2026 |
| Sumed Equity Ltd. |
13D/G
Yousef Hammad
|
10%
|
$16,586,485
8,211,131 shares
|
$0 | 29 Mar 2025 |
| DLD Asset Management, LP |
13D/G
13F
Company
|
10%
|
$19,584,163
8,160,068 shares
|
$0 | 30 Sep 2023 |
| Daniel Freifeld |
3/4/5
Director
|
10%
|
$19,663,368
8,450,157 shares
|
— | 30 Jun 2026 |
| Agah Ugur |
3/4/5
Director
|
0.48%
|
$784,078
392,039 shares
|
— | 30 Jun 2026 |
| Kerry Murphy Healey |
3/4/5
Director
|
0.29%
|
$480,268
240,134 shares
|
— | 30 Jun 2026 |
| Douglas Lute |
3/4/5
Director
|
0.24%
|
$398,580
199,290 shares
|
— | 30 Jun 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 18 Jul 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-14 of 14 reporting-owner rows connected to Marti Technologies, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
14
Largest Forms 3/4/5 holder
Cankut Durgun
Net 12M change
$0
Latest report
30 Jun 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Cankut Durgun | COO, President, Director | $35,229,941 | Mixed | 18 Mar 2026 | ||
| Oguz Alper Oktem | CEO, Director | $34,338,763 | Mixed | 18 Mar 2026 | ||
| Daniel Freifeld | Director | $19,663,368 | Mixed | 30 Jun 2026 | ||
| Agah Ugur | Director | $784,078 | Mixed | 30 Jun 2026 | ||
| Kerry Murphy Healey | Director | $480,268 | Mixed | 30 Jun 2026 | ||
| Douglas Lute | Director | $398,580 | Mixed | 30 Jun 2026 | ||
| Alex Spiro | Director | $113,228 | Mixed | 30 Jun 2026 | ||
| Galata Acquisition Sponsor LLC | 10%+ Owner | Mixed | 08 Jul 2021 | |||
| Kemal Kaya | Chief Executive Officer, Director | Mixed | 08 Jul 2021 | |||
| Adam S. Metz | Director | Mixed | 08 Jul 2021 | |||
| Timothy Michael Shannon | Director | Mixed | 08 Jul 2021 | |||
| Shelley Guiley | Director | Mixed | 08 Jul 2021 | |||
| Michael Tanzer | Chief Financial Officer | Mixed | 08 Jul 2021 | |||
| Cenk Ozeker | Cfo | Mixed | 18 Mar 2026 |
Recent insider transactions for Marti Technologies, Inc.
Showing up to 300 recent insider transactions from the last 12 months.
* marks a reported price that did not pass the local price check.