TMS SCHEDULE 13G/A: SEC filing

Magnetar Financial LLC and affiliated reporting persons

Filed with the SEC on Sep 4, 2026 · accession 0001104659-26-105290

TMS filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Sep 4, 2026. Magnetar Financial LLC and affiliated reporting persons filed an amended Schedule 13G disclosing beneficial ownership of 855,000 shares, or approximately 1.61%, of Teamshares Inc. common stock as of June 30, 2026. The stock moved -0.5% by the first close after the filing.

Summary of the filing

Magnetar Financial LLC and affiliated reporting persons filed an amended Schedule 13G disclosing beneficial ownership of 855,000 shares, or approximately 1.61%, of Teamshares Inc. common stock as of June 30, 2026. The filing is a passive investment disclosure and does not indicate any intent to influence control of the issuer.

For details, click here →

Key details

Shares beneficially owned$855K

Percentage of shares outstandingPCT 2

IssuerTeamshares Inc.

Reporting person / investment adviserMagnetar Financial LLC

Reporting person / parent holding companyMagnetar Capital Partners LP

Reporting person / general partnerSupernova Management LLC

Administrative manager of supernova management llcDavid J. Snyderman

Attorney-in-factHayley Stein

How TMS stock reacted

Close before

$6.20

Sep 3, 2026

First close after

-0.48%

$6.17

5 trading days

+18.63%

$7.36

Since filing

-23.15%

$4.76

✦ Ask GOAX AI about this filing — what it means for TMS, what changed since its last filings and what to watch next.

Try it free for 7 days

🔔 Want to stay updated on new SEC filings for TMS?

Click here

Frequently asked questions

What did TMS file with the SEC on Sep 4, 2026?

TMS filed a SCHEDULE 13G/A (SEC filing). Magnetar Financial LLC and affiliated reporting persons filed an amended Schedule 13G disclosing beneficial ownership of 855,000 shares, or approximately 1.61%, of Teamshares Inc. common stock as of June 30, 2026. The filing is a passive investment disclosure and does not indicate any intent to influence control of the issuer.

How do I read a SCHEDULE 13G/A?

A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.

Why are SEC filings important?

Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A SCHEDULE 13G/A (schedule 13g/a): A report the company filed with the SEC (the US market regulator).

How did TMS stock react to this filing?

TMS closed at $6.20 before the filing and $6.17 on Sep 4, 2026 (-0.48%). Five trading days later: $7.36 (+18.63%).

Other TMS SEC filings

Get alerts when TMS files with the SEC, plus live charts, key levels and news for 13,000+ stocks.

Try SEPT free for 7 days

TMS overview TMS analysis TMS news Latest SEC filings