SCHEDULE 13G Filed 2026-05-29 Event — SEC 0001104659-26-068404 →

CITADEL ADVISORS LLC → GMR Solutions Inc. GMRS

Stake: — Shares: — Class: Class A common stock, par value $0.0001 per share (the "Shares")

Composite Decision Signal · PASS (LOW BASE-RATE EDGE) Conviction Score: 16/100

Passive Schedule 13G filer baseline
Moderate short days-to-cover (4.5 DTC)
Short interest building (+10.5% vs prior settlement)

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)

8 transactions

0 buys · 4 sales · 1 awards/exercises

Issuer Cluster

2 13D/G filings on this issuer

1 other filing besides this one

Filer Track Record

8 filings by this filer

7 other filings in the data moat

Short Interest · settle 2026-10-15

DTC 4.45

4,496,333 shares short · +10.5% vs prior

Form 4 Insider Transactions · last 365d

Date	Insider	Role	Type	Shares	Price	Value
2026-09-14	Van Horne Edward	officer	Sale	262,278	$12.20	$3.20M
2026-09-14	Van Horne Edward	officer	F	1	$13.26	$13
2026-09-14	Tierney Brian Scott	officer	Option exercise	42,500	$7.20	$306K
2026-09-14	Tierney Brian Scott	officer	F	30,721	$13.26	$407K
2026-09-14	Tierney Brian Scott	officer	Sale	265,794	$12.20	$3.24M
2026-09-14	Loporcaro Nicola	director, officer	Sale	1,457,102	$12.20	$17.78M
2026-09-14	Jacoba Lisa	officer	Sale	92,680	$12.20	$1.13M
2026-09-14	Jacoba Lisa	officer	F	23	$13.26	$305

Other 13D/G Filings on GMR Solutions Inc.

Filed	Form	Filer	Stake	Shares
2026-08-20	SCHEDULE 13G	North Peak Capital Management, LLC	—	—	view →

Other Filings by CITADEL ADVISORS LLC

Filed	Form	Issuer	Stake	Shares
2026-10-06	SCHEDULE 13G	Eco Wave Power Global AB (publ)	—	—	view →
2026-10-06	SCHEDULE 13G	Quantinuum Inc.	—	—	view →
2026-10-06	SCHEDULE 13G	REALLOYS INC.	—	—	view →
2026-10-06	SCHEDULE 13G	STARFIGHTERS SPACE, INC.	—	—	view →
2026-05-27	SCHEDULE 13G	LIFEWAY FOODS, INC. LWAY	—	—	view →
2026-05-26	SCHEDULE 13G	DUKE Robotics Corp. DUKRW	—	—	view →
2026-05-21	SCHEDULE 13G	Boost Run Inc. BRUNW	—	—	view →

Want this depth on every filing the moment it hits SEC EDGAR?

Free $0 (48h-delayed alerts) · Individual $49/mo (real-time) · Team & API $199/mo · Enterprise.

See pricing →