Marti Technologies, Inc.
MRT- Exchange
- NYSE
- Industry
- Services-Auto Rental & Leasing (No Drivers)
- SEC CIK
- 0001852767
No open-market purchases or sales by Marti Technologies, Inc. insiders were filed in the last 90 days; 16 institutions reported holding it in 13F filings for Q2 2026, worth $15.6M in total; no superinvestor holds it.
Holders of 5% or more of MRT
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Marti Technologies, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Durgun Cankut | 13D/A | 17.10%14.7M shares | 0.00 ppfrom 17.10% | Jul 2, 20252 filings | Apr 24, 2026 | SEC |
| Oktem Alper | 13D/A | 16.60%14.3M shares | +1.00 ppfrom 15.60% | Jul 2, 20253 filings | Apr 24, 2026 | SEC |
| Sumed Equity Ltd. | 13D/A | 10.50%8.21M shares | +0.90 ppfrom 9.60% | Jun 26, 20252 filings | Oct 29, 2025 | SEC |
| DLD Asset Management, LP | 13G | 9.99%8.16M shares | New | Jan 2, 20261 filing | Jan 2, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
8 Schedule 13D and 13G filings on Marti Technologies, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Apr 24, 20264:05 PM ET | Oktem Alper | 13D/A | 16.60%14.3M shares | +1.00 ppfrom 15.60% | Apr 22, 2026 | SEC |
| Apr 24, 20264:05 PM ET | Durgun Cankutand 1 other | 13D/A | 17.10%14.7M shares | 0.00 ppfrom 17.10% | Apr 22, 2026 | SEC |
| Jan 2, 20265:56 PM ET | DLD Asset Management, LP | 13G | 9.99%8.16M shares | New | Sep 30, 2023 | SEC |
| Dec 22, 20257:38 PM ET | Oktem Alper | 13D/A | 15.60%13.4M shares | −0.90 ppfrom 16.50% | Dec 18, 2025 | SEC |
| Oct 29, 202510:37 AM ET | Sumed Equity Ltd.and 4 others | 13D/A | 10.50%8.21M shares | +0.90 ppfrom 9.60% | Mar 29, 2025 | SEC |
| Jul 2, 20254:05 PM ET | Oktem Alper | 13D/A | 16.50%12.8M shares | – | Jun 4, 2024 | SEC |
| Jul 2, 20254:05 PM ET | Durgun Cankutand 1 other | 13D/A | 17.10%13.3M shares | – | May 11, 2024 | SEC |
| Jun 26, 20253:36 PM ET | Sumed Equity Ltd.and 4 others | 13D/A | 9.60%7.32M shares | – | Mar 29, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Marti Technologies, Inc. shares.
No Form 144 notices for Marti Technologies, Inc. are on file.