Latest 10-Q

What changed in Atrium Therapeutics, Inc.'s latest quarterly report, compared with the one before.

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Insider trades

Open-market trades from Form 4. 10b5-1 marks a plan set in advance.Open-market buys and sales by officers, directors and 10% owners, from SEC Form 4. A plan set in advance is marked 10b5-1.

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13F holders

Funds that report this stock, checked against market prices.Fund managers with over $100 million in US-listed stocks file a 13F each quarter, up to 45 days after quarter end. Long positions only.

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Trades by members of Congress

Disclosed in dollar ranges, up to 45 days after the trade.Members of Congress, their spouses and dependent children report trades in dollar ranges, up to 45 days after the trade.

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Lobbying

What Atrium Therapeutics, Inc. and its lobbying firms report each quarter.A company that lobbies with its own staff reports its expenses; a lobbying firm it hires reports the income it received. We count both.

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Lobbying and contracts

$190.0K · — in 12 mo

What Atrium Therapeutics, Inc. reported spending on lobbying next to the federal contracts it was awarded, by year.Lobbying: each report counts once. If a report was amended, only the newest version counts. Totals use the company's own report when it files one (it includes payments to hired firms); otherwise the hired firms' reported income. Registrations and reports with no amount are not counted. A firm that hands part of its work to another firm may report the same money as that other firm does; the filings do not allow us to tell. Contracts: each award is counted once, for the company that received it (or its listed parent when only the parent is matched), in the year of its first obligation. The amount is the total obligated to date, so a later increase is counted in the year the award began. Only awards of $1 million or more are collected. Agencies: the offices named on lobbying reports and the awarding agencies of contracts are matched to one department name (the Army, Navy and Air Force count as the Department of Defense; NIH, FDA and CMS as Health and Human Services). An agency is listed under both when the company lobbied it and was awarded a contract by it in the same period. Offices outside this list, and Congress, are not counted as agencies.

Lobbying and federal contracts of Atrium Therapeutics, Inc. by year
YearLobbyingReportsTop issuesAgencies lobbiedContractsAwardsAwarding agenciesPAC giftsGifts by the company's PAC to candidates for Congress. They come from donations to the PAC, not from the company's own funds.Lobbied and awarding
2026 (year to date)$190.0K3Health issues——————

Agencies both lobbied and awarding contracts

No agency appears on both sides in the last 12 months.

Lobbying and contract awards are reported separately; showing them together does not mean one caused the other.

All companies · Contract awards · Lobbying reports

Capitol Hires at Atrium Therapeutics, Inc.

11 hires

Lobbyists for Atrium Therapeutics, Inc. who say they once worked in Congress or the executive branch.

Capitol Hires at Atrium Therapeutics, Inc.
The covered position the lobbyist says they held: an office of a member of Congress, a committee or an executive-branch body, as written in the filing. The member's name is a link only when exactly one member of Congress fits the name, chamber, first name and years given; otherwise it stays as written.The lobbying report (LDA form LD-2) that names this lobbyist and office, with a link to it. Report period is the quarter the report covers; Posted is the day it was filed or amended, which can be much later. The same lobbyist is named again on each quarterly report for the same client, so a row is shown once, from the newest report, with the number of filings that name them.
Cristina AnteloSteering Committee
Committee
Legal Fellow, Senate DemocraticFerox Strategies
Report period 2026 Q1 ↗
Posted Apr 17, 2026 · in 2 filings
Mark WilliamsK. Michael Conaway
Member office · Republican-TX
Chief of StaffFerox Strategies
Report period 2026 Q1 ↗
Posted Apr 17, 2026 · in 2 filings
Mark WilliamsTodd Rokita
Member office · Republican-IN
Chief of StaffFerox Strategies
Report period 2026 Q1 ↗
Posted Apr 17, 2026 · in 2 filings
Mark WilliamsSam Johnson
Member office · Republican-TX
Dep. Chief of Staff/Leg. DirectorFerox Strategies
Report period 2026 Q1 ↗
Posted Apr 17, 2026 · in 2 filings
Debra DixonU.S. Department of Education
Executive branch
Not statedFerox Strategies
Report period 2026 Q1 ↗
Posted Apr 17, 2026 · in 2 filings

Each row reflects what was disclosed at the time of filing. A lobbyist listed may no longer be registered.

Institutional ownership over time

How many funds reported holding the stock at the end of each quarter, and how many shares they held between them.

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More filings and data

Each opens the table.

About the company

The basics from the company’s SEC registration.

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$7.51+$0.01 (+0.13%) Nov 13 close
Oct 13, 2026: $7.75Oct 14, 2026: $7.68Oct 15, 2026: $7.82Oct 16, 2026: $7.67Oct 19, 2026: $7.61Oct 20, 2026: $7.98Oct 21, 2026: $8.00Oct 22, 2026: $8.16Oct 23, 2026: $8.20Oct 26, 2026: $8.05Oct 27, 2026: $8.32Oct 28, 2026: $8.40Oct 29, 2026: $8.26Oct 30, 2026: $8.27Nov 2, 2026: $8.55Nov 3, 2026: $8.72Nov 4, 2026: $8.68Nov 5, 2026: $8.32Nov 6, 2026: $8.34Nov 9, 2026: $8.38Nov 10, 2026: $8.23Nov 11, 2026: $7.96Nov 12, 2026: $7.50Nov 13, 2026: $7.51
Oct 13, 2026Low $7.50 · High $8.72Nov 13, 2026
Aug 13, 2026: $12.33Aug 14, 2026: $12.84Aug 17, 2026: $12.96Aug 18, 2026: $12.84Aug 19, 2026: $13.71Aug 20, 2026: $13.48Aug 21, 2026: $13.20Aug 24, 2026: $13.62Aug 25, 2026: $14.00Aug 26, 2026: $13.85Aug 27, 2026: $13.98Aug 28, 2026: $13.64Aug 31, 2026: $13.32Sep 1, 2026: $13.77Sep 2, 2026: $14.06Sep 3, 2026: $14.60Sep 4, 2026: $14.19Sep 8, 2026: $11.35Sep 9, 2026: $10.51Sep 10, 2026: $10.35Sep 11, 2026: $10.36Sep 14, 2026: $10.21Sep 15, 2026: $10.09Sep 16, 2026: $9.50Sep 17, 2026: $9.56Sep 18, 2026: $8.95Sep 21, 2026: $9.19Sep 22, 2026: $9.22Sep 23, 2026: $8.33Sep 24, 2026: $8.19Sep 25, 2026: $8.29Sep 28, 2026: $8.42Sep 29, 2026: $8.42Sep 30, 2026: $8.28Oct 1, 2026: $8.14Oct 2, 2026: $7.84Oct 5, 2026: $7.97Oct 6, 2026: $7.99Oct 7, 2026: $7.93Oct 8, 2026: $8.26Oct 9, 2026: $8.40Oct 12, 2026: $8.21Oct 13, 2026: $7.75Oct 14, 2026: $7.68Oct 15, 2026: $7.82Oct 16, 2026: $7.67Oct 19, 2026: $7.61Oct 20, 2026: $7.98Oct 21, 2026: $8.00Oct 22, 2026: $8.16Oct 23, 2026: $8.20Oct 26, 2026: $8.05Oct 27, 2026: $8.32Oct 28, 2026: $8.40Oct 29, 2026: $8.26Oct 30, 2026: $8.27Nov 2, 2026: $8.55Nov 3, 2026: $8.72Nov 4, 2026: $8.68Nov 5, 2026: $8.32Nov 6, 2026: $8.34Nov 9, 2026: $8.38Nov 10, 2026: $8.23Nov 11, 2026: $7.96Nov 12, 2026: $7.50Nov 13, 2026: $7.51
Aug 13, 2026Low $7.50 · High $14.60Nov 13, 2026
Feb 27, 2026: $14.75Mar 2, 2026: $14.91Mar 3, 2026: $15.67Mar 4, 2026: $16.54Mar 5, 2026: $15.47Mar 6, 2026: $14.82Mar 9, 2026: $14.79Mar 10, 2026: $14.67Mar 11, 2026: $14.80Mar 12, 2026: $14.54Mar 13, 2026: $13.75Mar 16, 2026: $13.79Mar 17, 2026: $13.77Mar 18, 2026: $12.32Mar 19, 2026: $12.69Mar 20, 2026: $13.13Mar 23, 2026: $13.20Mar 24, 2026: $13.20Mar 25, 2026: $13.09Mar 26, 2026: $13.10Mar 27, 2026: $13.23Mar 30, 2026: $13.55Mar 31, 2026: $13.37Apr 1, 2026: $13.47Apr 2, 2026: $13.44Apr 6, 2026: $13.67Apr 7, 2026: $13.99Apr 8, 2026: $13.70Apr 9, 2026: $13.72Apr 10, 2026: $12.71Apr 13, 2026: $13.30Apr 14, 2026: $14.02Apr 15, 2026: $14.54Apr 16, 2026: $14.03Apr 17, 2026: $14.41Apr 20, 2026: $14.30Apr 21, 2026: $13.53Apr 22, 2026: $13.66Apr 23, 2026: $13.85Apr 24, 2026: $13.49Apr 27, 2026: $12.90Apr 28, 2026: $12.55Apr 29, 2026: $12.99Apr 30, 2026: $12.77May 1, 2026: $13.43May 4, 2026: $12.87May 5, 2026: $12.91May 6, 2026: $13.09May 7, 2026: $12.96May 8, 2026: $13.07May 11, 2026: $13.25May 12, 2026: $13.14May 13, 2026: $13.30May 14, 2026: $13.27May 15, 2026: $13.23May 18, 2026: $12.95May 19, 2026: $12.95May 20, 2026: $12.72May 21, 2026: $13.04May 22, 2026: $13.09May 26, 2026: $13.06May 27, 2026: $13.00May 28, 2026: $13.36May 29, 2026: $13.00Jun 1, 2026: $12.68Jun 2, 2026: $12.25Jun 3, 2026: $12.17Jun 4, 2026: $12.30Jun 5, 2026: $11.80Jun 8, 2026: $11.55Jun 9, 2026: $11.76Jun 10, 2026: $11.67Jun 11, 2026: $12.43Jun 12, 2026: $12.37Jun 15, 2026: $12.75Jun 16, 2026: $12.61Jun 17, 2026: $12.48Jun 18, 2026: $12.66Jun 22, 2026: $12.94Jun 23, 2026: $12.81Jun 24, 2026: $12.83Jun 25, 2026: $12.78Jun 26, 2026: $13.19Jun 29, 2026: $13.65Jun 30, 2026: $13.45Jul 1, 2026: $13.30Jul 2, 2026: $13.65Jul 6, 2026: $13.01Jul 7, 2026: $13.24Jul 8, 2026: $13.37Jul 9, 2026: $12.91Jul 10, 2026: $12.46Jul 13, 2026: $12.22Jul 14, 2026: $12.22Jul 15, 2026: $12.30Jul 16, 2026: $12.16Jul 17, 2026: $12.15Jul 20, 2026: $11.76Jul 21, 2026: $12.29Jul 22, 2026: $12.17Jul 23, 2026: $11.91Jul 24, 2026: $11.49Jul 27, 2026: $11.57Jul 28, 2026: $11.49Jul 29, 2026: $11.18Jul 30, 2026: $11.46Jul 31, 2026: $11.35Aug 3, 2026: $11.33Aug 4, 2026: $11.54Aug 5, 2026: $11.74Aug 6, 2026: $12.11Aug 7, 2026: $12.34Aug 10, 2026: $12.24Aug 11, 2026: $12.27Aug 12, 2026: $12.17Aug 13, 2026: $12.33Aug 14, 2026: $12.84Aug 17, 2026: $12.96Aug 18, 2026: $12.84Aug 19, 2026: $13.71Aug 20, 2026: $13.48Aug 21, 2026: $13.20Aug 24, 2026: $13.62Aug 25, 2026: $14.00Aug 26, 2026: $13.85Aug 27, 2026: $13.98Aug 28, 2026: $13.64Aug 31, 2026: $13.32Sep 1, 2026: $13.77Sep 2, 2026: $14.06Sep 3, 2026: $14.60Sep 4, 2026: $14.19Sep 8, 2026: $11.35Sep 9, 2026: $10.51Sep 10, 2026: $10.35Sep 11, 2026: $10.36Sep 14, 2026: $10.21Sep 15, 2026: $10.09Sep 16, 2026: $9.50Sep 17, 2026: $9.56Sep 18, 2026: $8.95Sep 21, 2026: $9.19Sep 22, 2026: $9.22Sep 23, 2026: $8.33Sep 24, 2026: $8.19Sep 25, 2026: $8.29Sep 28, 2026: $8.42Sep 29, 2026: $8.42Sep 30, 2026: $8.28Oct 1, 2026: $8.14Oct 2, 2026: $7.84Oct 5, 2026: $7.97Oct 6, 2026: $7.99Oct 7, 2026: $7.93Oct 8, 2026: $8.26Oct 9, 2026: $8.40Oct 12, 2026: $8.21Oct 13, 2026: $7.75Oct 14, 2026: $7.68Oct 15, 2026: $7.82Oct 16, 2026: $7.67Oct 19, 2026: $7.61Oct 20, 2026: $7.98Oct 21, 2026: $8.00Oct 22, 2026: $8.16Oct 23, 2026: $8.20Oct 26, 2026: $8.05Oct 27, 2026: $8.32Oct 28, 2026: $8.40Oct 29, 2026: $8.26Oct 30, 2026: $8.27Nov 2, 2026: $8.55Nov 3, 2026: $8.72Nov 4, 2026: $8.68Nov 5, 2026: $8.32Nov 6, 2026: $8.34Nov 9, 2026: $8.38Nov 10, 2026: $8.23Nov 11, 2026: $7.96Nov 12, 2026: $7.50Nov 13, 2026: $7.51
Feb 27, 2026Low $7.50 · High $16.54Nov 13, 2026
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Adjusted for stock splits; not for dividends. Where prices come from.

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