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DEFSEC Technologies Inc.

DFSC
Exchange
Nasdaq
Industry
Services-Prepackaged Software
SEC CIK
0001889823

No open-market purchases or sales by DEFSEC Technologies Inc. insiders were filed in the last 90 days; 7 institutions reported holding it in 13F filings for Q2 2026, worth $634.2K in total; no superinvestor holds it.

Other share classesDFSCW

Holders of 5% or more of DFSC

Holders whose latest Schedule 13D or 13G filing reports 5% or more of DEFSEC Technologies Inc., largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of DFSC
HolderLatest formStakeChangeFirst filedLatest filingFiling
Clear Street LLC13G18.60%371.3K sharesNewMay 13, 20261 filingMay 13, 2026SEC
Lind Global Fund III LP13G9.99%347.3K shares+0.09 ppfrom 9.90%Dec 23, 20252 filingsAug 25, 2026SEC

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

13 Schedule 13D and 13G filings on DEFSEC Technologies Inc., newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on DFSC
Filed (ET)FilerFormStakeChangeEvent dateFiling
Aug 25, 20264:44 PM ETLind Global Fund III LPand 2 others13G9.99%347.3K shares+0.09 ppfrom 9.90%Aug 18, 2026SEC
Aug 13, 202612:23 PM ETAyrton Capital LLCand 2 others13G/A2.95%102.9K shares−3.17 ppfrom 6.12%Below 5%Jun 30, 2026SEC
May 13, 20265:11 PM ETClear Street LLC13G18.60%371.3K sharesNewMay 5, 2026SEC
Dec 23, 20254:47 PM ETLind Global Fund III LPand 2 others13G9.90%197.5K sharesNewDec 18, 2025SEC
Nov 14, 20252:44 PM ETIroquois Capital Management, LLCand 2 others13G/A4.99%70.4K shares−2.51 ppfrom 7.50%Below 5%Sep 30, 2025SEC
Nov 13, 20253:41 PM ETAyrton Capital LLCand 2 others13G6.12%102.9K shares+4.82 ppfrom 1.30%Sep 30, 2025SEC
Nov 7, 20254:50 PM ETCVI Investments, Inc.and 1 other13G/A4.90%70.4K shares−2.40 ppfrom 7.30%Below 5%Sep 30, 2025SEC
Jul 30, 202511:03 AM ETCVI Investments, Inc.and 1 other13G7.30%97.3K sharesNewJul 23, 2025SEC
Jul 29, 20254:32 PM ETIntracoastal Capital, LLCand 2 others13G4.99%71.7K sharesNewBelow 5%Jul 23, 2025SEC
Jul 28, 202511:41 AM ETIroquois Capital Management, LLCand 2 others13G7.50%100.0K sharesNewJul 23, 2025SEC
May 14, 20253:05 PM ETAyrton Capital LLCand 2 others13G/A1.30%118.5K shares−5.70 ppfrom 7.00%Below 5%Mar 31, 2025SEC
Feb 13, 20254:05 PM ET3i, LPand 2 others13G/A4.90%353.4K shares–Below 5%Dec 31, 2024SEC
Feb 13, 20251:35 PM ETAyrton Capital LLCand 2 others13G/A7.00%118.5K shares–Dec 31, 2024SEC

Form 144: proposed insider sales

Notices from officers, directors and other affiliates planning to sell DEFSEC Technologies Inc. shares.

No Form 144 notices for DEFSEC Technologies Inc. are on file.