Stablecoin Development Corp
SDEV- Exchange
- NYSE
- Industry
- Finance Services
- SEC CIK
- 0001389545
No open-market purchases or sales by Stablecoin Development Corp insiders were filed in the last 90 days; 21 institutions reported holding it in 13F filings for Q2 2026, worth $1.55M in total; no superinvestor holds it.
Holders of 5% or more of SDEV
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Stablecoin Development Corp, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| R01 Fund LP | 13D/A | 52.40%53.6M shares | +2.60 ppfrom 49.80% | Oct 15, 20258 filings | Jul 24, 2026 | SEC |
| Framework Ventures IV L.P. | 13D/A | 46.60%47.7M shares | +0.70 ppfrom 45.90% | Oct 15, 20257 filings | Jul 24, 2026 | SEC |
| Tether Global Investments Fund, S.I.C.A.F., S.A. | 13G/A | 9.99%5.62M shares | 0.00 ppfrom 9.99% | May 22, 20262 filings | Aug 17, 2026 | SEC |
| Sky Frontier Foundation | 13D/A | 9.90%5.62M shares | +2.50 ppfrom 7.40% | May 27, 20263 filings | Aug 21, 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
30 Schedule 13D and 13G filings on Stablecoin Development Corp, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 21, 20269:49 AM ET | Sky Frontier Foundation | 13D/A | 9.90%5.62M shares | +2.50 ppfrom 7.40% | Aug 17, 2026 | SEC |
| Aug 17, 20264:15 PM ET | Tether Global Investments Fund, S.I.C.A.F., S.A.and 2 others | 13G/A | 9.99%5.62M shares | 0.00 ppfrom 9.99% | Jun 30, 2026 | SEC |
| Jul 24, 20264:51 PM ET | Framework Ventures IV L.P.and 4 others | 13D/A | 46.60%47.7M shares | +0.70 ppfrom 45.90% | Jul 18, 2026 | SEC |
| Jul 24, 20264:47 PM ET | R01 Fund LPand 3 others | 13D/A | 52.40%53.6M shares | +2.60 ppfrom 49.80% | Jul 18, 2026 | SEC |
| Jul 22, 202611:06 AM ET | Sky Frontier Foundation | 13D/A | 7.40%4.00M shares | −2.50 ppfrom 9.90% | Jun 15, 2026 | SEC |
| Jun 17, 20268:24 PM ET | Framework Ventures IV L.P.and 4 others | 13D/A | 45.90%32.7M shares | −0.50 ppfrom 46.40% | Jun 15, 2026 | SEC |
| Jun 17, 20268:23 PM ET | R01 Fund LPand 3 others | 13D/A | 49.80%37.5M shares | −0.50 ppfrom 50.30% | Jun 15, 2026 | SEC |
| May 27, 20264:12 PM ET | Sky Frontier Foundation | 13D | 9.90%3.01M shares | New | May 17, 2026 | SEC |
| May 22, 20264:39 PM ET | Tether Global Investments Fund, S.I.C.A.F., S.A.and 2 others | 13G | 9.99%3.01M shares | New | May 17, 2026 | SEC |
| May 19, 20269:04 PM ET | Framework Ventures IV L.P.and 4 others | 13D/A | 46.40%32.7M shares | +1.90 ppfrom 44.50% | May 17, 2026 | SEC |
| May 19, 20269:02 PM ET | R01 Fund LPand 3 others | 13D/A | 50.30%37.5M shares | −2.50 ppfrom 52.80% | May 17, 2026 | SEC |
| Apr 30, 20264:28 PM ET | R01 Fund LPand 3 others | 13D/A | 52.80%26.3M shares | −5.30 ppfrom 58.10% | Apr 29, 2026 | SEC |
| Apr 30, 20264:25 PM ET | Framework Ventures IV L.P.and 4 others | 13D/A | 44.50%22.2M shares | −0.50 ppfrom 45.00% | Apr 29, 2026 | SEC |
| Apr 2, 20269:44 PM ET | R01 Fund LPand 3 others | 13D/A | 58.10%15.5M shares | +13.10 ppfrom 45.00% | Mar 31, 2026 | SEC |
| Mar 11, 20261:27 PM ET | Poplar Point Capital Management LLCand 3 others | 13D/A | 0.81%1.02M shares | −16.71 ppfrom 17.52%Below 5% | Oct 20, 2025 | SEC |
| Jan 29, 20267:38 PM ET | Lazar David E. | 13D/A | 4.99%6.39M shares | −15.00 ppfrom 19.99%Below 5% | Oct 21, 2025 | SEC |
| Jan 21, 20268:12 PM ET | Framework Ventures IV L.P.and 4 others | 13D/A | 45.00%56.8M shares | −0.10 ppfrom 45.10% | Jan 16, 2026 | SEC |
| Jan 21, 20268:11 PM ET | R01 Fund LPand 3 others | 13D/A | 45.00%56.8M shares | −0.10 ppfrom 45.10% | Jan 16, 2026 | SEC |
| Oct 20, 20259:42 PM ET | R01 Fund LPand 3 others | 13D/A | 45.10%56.8M shares | +28.90 ppfrom 16.20% | Oct 16, 2025 | SEC |
| Oct 20, 20259:42 PM ET | Framework Ventures IV L.P.and 4 others | 13D/A | 45.10%56.8M shares | +28.90 ppfrom 16.20% | Oct 16, 2025 | SEC |
| Oct 17, 20255:29 PM ET | Lazar David E. | 13D/A | 19.99%1.50M shares | 0.00 ppfrom 19.99% | Oct 16, 2025 | SEC |
| Oct 17, 20255:10 PM ET | Poplar Point Capital Management LLCand 3 others | 13D/A | 17.52%1.02M shares | 0.00 ppfrom 17.52% | Oct 15, 2025 | SEC |
| Oct 15, 20258:29 PM ET | R01 Fund LPand 3 others | 13D | 16.20%1.16M shares | New | Oct 9, 2025 | SEC |
| Oct 15, 20258:28 PM ET | Framework Ventures IV L.P.and 4 others | 13D | 16.20%1.16M shares | New | Oct 9, 2025 | SEC |
| Sep 4, 20257:21 PM ET | Poplar Point Capital Management LLCand 3 others | 13D/A | 17.52%1.02M shares | −0.02 ppfrom 17.54% | Sep 3, 2025 | SEC |
| Aug 26, 20254:11 PM ET | Lazar David E. | 13D | 19.99%1.20M shares | New | Aug 19, 2025 | SEC |
| Jun 4, 202512:46 PM ET | Poplar Point Capital Management LLCand 3 others | 13D | 17.54%1.02M shares | +0.83 ppfrom 16.71% | Jun 3, 2025 | SEC |
| May 15, 20259:00 AM ET | Poplar Point Capital Management LLCand 3 others | 13G/A | 16.71%971.7K shares | +4.01 ppfrom 12.70% | Mar 31, 2025 | SEC |
| Feb 6, 20256:30 PM ET | Poplar Point Capital Management LLCand 3 others | 13G/A | 12.70%620.7K shares | +5.00 ppfrom 7.70% | Jan 31, 2025 | SEC |
| Jan 10, 20256:06 PM ET | Poplar Point Capital Management LLCand 3 others | 13G | 7.70%378.3K shares | New | Dec 31, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Stablecoin Development Corp shares.
No Form 144 notices for Stablecoin Development Corp are on file.