AIR T INC → INSIGNIA SYSTEMS INC/MN TULP

Stake: — Shares: —

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

0 transactions

0 buys · 0 sales · 0 awards/exercises

Issuer Cluster

7 13D/G filings on this issuer

6 other filings besides this one

Filer Track Record

3 filings by this filer

2 other filings in the data moat

Short Interest · settle 2026-03-31

DTC 17.30

17,522 shares short · +13.3% vs prior

Other 13D/G Filings on INSIGNIA SYSTEMS INC/MN

Filed	Form	Filer	Stake	Shares
2026-04-06	SCHEDULE 13D/A	AIR T INC	33.70%	1,605,264	view →
2018-01-22	SC	AIR T INC	—	—	view →
2018-01-18	SC	BIGLARI CAPITAL CORP.	—	—	view →
2018-01-18	SC	Cable Car Capital LLC	—	—	view →
2018-01-09	SC	BIGLARI CAPITAL CORP.	—	—	view →
2018-01-02	SC	BIGLARI CAPITAL CORP.	—	—	view →

Other Filings by AIR T INC

Filed	Form	Issuer	Stake	Shares
2026-04-06	SCHEDULE 13D/A	BLOOMIA HOLDINGS, INC. TULP	33.70%	1,605,264	view →
2018-01-22	SC	INSIGNIA SYSTEMS INC/MN TULP	—	—	view →

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