IMTX SEC Filing News — Immatics N.V.

Latest SEC filings for Immatics N.V. (IMTX) explained in plain English. Covers insider buying and selling (Form 4), proposed insider sales (Form 144), material company events (8-K), and quarterly & annual reports (10-Q / 10-K). StrongBuyAnalytics provides navigation and brief excerpts or summaries; original filings remain at the SEC/source links and were authored by their filers, not StrongBuyAnalytics. Filing dates shown are source dates. Coverage and detection can be delayed or incomplete because of SEC availability, amendments, parsing, caching, or outages. Latest source filing date shown: 2026-08-27.

Immatics N.V., a clinical-stage biopharmaceutical company, focuses on the research and development of potential T cell redirecting immunotherapies for the treatment of cancer in the United States. The company is developing targeted immunotherapies with a focus on treating solid tumors through two distinct treatment modalities, such as adoptive cell therapies (ACT) and antibody-like TCR Bispecifics. Its products pipeline includes Anzu-cel (IMA203), a one-time infusion PRAME cell therapy, which is…
Sector: Healthcare Industry: Biotechnology Market Cap: $1.1B CIK: 1809196
11
Total Filings
1
Bullish Classifications
0
Bearish Classifications
11
Insider Transactions
0
Material Events (8-K)
0
Periodic Reports
Rule-based classifications for IMTX currently lean bullish. Of the 11 displayed SEC filing records, 1 carry bullish classifications versus 0 bearish classifications. These labels summarize filing attributes; they are not recommendations, probabilities, or evidence of future price direction. There were 11 insider transactions (Form 4) in this period.
IMTX Filing Activity Snapshot 2026-06-18 — 2026-08-27
Insider Transactions (Form 4)
1 buy vs 0 sells
Net insider buying in this period — more purchases than sales reported.
Largest Form 144 Filing
$7.50M
PERCEPTIVE ADVISORS LLC (Director) · 2026-08-27
863,060 shares · Form 4
Insider Transactions 11 · Forms 3, 4 and 5

A Form 4 is filed within two business days of a company insider — an officer, a director, or a holder of more than ten percent of the stock — changing their position in the shares. All 11 filings in this group are Form 4s for Immatics N.V.

The difficulty with reading these filings as a group is that a single form type covers transactions that mean entirely different things. An executive spending their own money to buy stock and an executive having shares withheld to pay tax on a vesting grant both appear as a Form 4. Every filing below is therefore tagged with the nature of the underlying transaction, taken from the transaction code reported on the form itself.

Across the 11 insider filings shown, the breakdown is 10 compensation award and 1 open-market purchase. 1 of them involved a discretionary open-market trade; the rest are compensation and administrative mechanics.

What each transaction type means

Compensation award ×10
Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.
Open-market purchase ×1
The insider bought shares on the open market with their own money. This is the only Form 4 category that requires a discretionary cash outlay at the prevailing price.
Form 4 Open-market purchase Insider Buying 2026-08-27

IMTX insider PERCEPTIVE ADVISORS LLC (Director) bought 863,060 shares (~$7.50M)

PERCEPTIVE ADVISORS LLC, listed as Director at Immatics N.V., reported an open-market purchase of 863,060 IMTX shares in a Form 4 filing. Insider buying is often treated as a bullish signal because company insiders are committing their own capital.

The insider bought shares on the open market with their own money. This is the only Form 4 category that requires a discretionary cash outlay at the prevailing price.

Transactions reported on this filing
Code Nature Shares Price Value
P Open-market purchase 863,060 $8.69 $7.50M
Filing: Form 4 (Insider Transaction) Insider: PERCEPTIVE ADVISORS LLC (Director) Shares: 863,060 Est. Value: $7.50M
View on SEC EDGAR → Open Filing Document →
Form 4 Compensation award Tax / Compensation Filing 2026-08-18

IMTX insider Form 4 filed for equity award, exercise, or tax withholding

Pepin James Nelson (Gen Counsel and Corp Secretary) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.

Transactions reported on this filing
Code Nature Shares Price Value
A Compensation award derivative · Stock Option (Right to Buy) 181,200 — —
A Compensation award derivative · Restricted Stock Units 43,800 — —
Filing: Form 4 (Insider Transaction) Insider: Pepin James Nelson (Gen Counsel and Corp Secretary)
View on SEC EDGAR → Open Filing Document →
Form 4 Compensation award Tax / Compensation Filing 2026-06-18

IMTX insider Form 4 filed for equity award, exercise, or tax withholding

Stone Adam Leo (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.

Transactions reported on this filing
Code Nature Shares Price Value
A Compensation award derivative · Stock Option (Right to Buy) 48,000 — —
Filing: Form 4 (Insider Transaction) Insider: Stone Adam Leo (Director)
View on SEC EDGAR → Open Filing Document →
Form 4 Compensation award Tax / Compensation Filing 2026-06-18

IMTX insider Form 4 filed for equity award, exercise, or tax withholding

REICIN ALISE (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.

Transactions reported on this filing
Code Nature Shares Price Value
A Compensation award derivative · Stock Option (Right to Buy) 48,000 — —
Filing: Form 4 (Insider Transaction) Insider: REICIN ALISE (Director)
View on SEC EDGAR → Open Filing Document →
Form 4 Compensation award Tax / Compensation Filing 2026-06-18

IMTX insider Form 4 filed for equity award, exercise, or tax withholding

ATIEH MICHAEL G (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.

Transactions reported on this filing
Code Nature Shares Price Value
A Compensation award derivative · Stock Option (Right to Buy) 48,000 — —
Filing: Form 4 (Insider Transaction) Insider: ATIEH MICHAEL G (Director)
View on SEC EDGAR → Open Filing Document →
Form 4 Compensation award Tax / Compensation Filing 2026-06-18

IMTX insider Form 4 filed for equity award, exercise, or tax withholding

Carter Paul Rutherford (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.

Transactions reported on this filing
Code Nature Shares Price Value
A Compensation award derivative · Stock Option (Right to Buy) 48,000 — —
Filing: Form 4 (Insider Transaction) Insider: Carter Paul Rutherford (Director)
View on SEC EDGAR → Open Filing Document →
Form 4 Compensation award Tax / Compensation Filing 2026-06-18

IMTX insider Form 4 filed for equity award, exercise, or tax withholding

Forster Eliot (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.

Transactions reported on this filing
Code Nature Shares Price Value
A Compensation award derivative · Stock Option (Right to Buy) 48,000 — —
Filing: Form 4 (Insider Transaction) Insider: Forster Eliot (Director)
View on SEC EDGAR → Open Filing Document →
Form 4 Compensation award Tax / Compensation Filing 2026-06-18

IMTX insider Form 4 filed for equity award, exercise, or tax withholding

Chambre Peter Alan (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.

Transactions reported on this filing
Code Nature Shares Price Value
A Compensation award derivative · Stock Option (Right to Buy) 48,000 — —
Filing: Form 4 (Insider Transaction) Insider: Chambre Peter Alan (Director)
View on SEC EDGAR → Open Filing Document →
Form 4 Compensation award Tax / Compensation Filing 2026-06-18

IMTX insider Form 4 filed for equity award, exercise, or tax withholding

Mason Heather L (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.

Transactions reported on this filing
Code Nature Shares Price Value
A Compensation award derivative · Stock Option (Right to Buy) 48,000 — —
Filing: Form 4 (Insider Transaction) Insider: Mason Heather L (Director)
View on SEC EDGAR → Open Filing Document →
Form 4 Compensation award Tax / Compensation Filing 2026-06-18

IMTX insider Form 4 filed for equity award, exercise, or tax withholding

PERCEPTIVE ADVISORS LLC (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.

Transactions reported on this filing
Code Nature Shares Price Value
A Compensation award derivative · Stock Option (Right to Buy) 48,000 — —
Filing: Form 4 (Insider Transaction) Insider: PERCEPTIVE ADVISORS LLC (Director)
View on SEC EDGAR → Open Filing Document →
Form 4 Compensation award Tax / Compensation Filing 2026-06-18

IMTX insider Form 4 filed for equity award, exercise, or tax withholding

Hothum Mathias (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.

Transactions reported on this filing
Code Nature Shares Price Value
A Compensation award derivative · Stock Option (Right to Buy) 48,000 — —
Filing: Form 4 (Insider Transaction) Insider: Hothum Mathias (Director)
View on SEC EDGAR → Open Filing Document →

How we classify Immatics N.V.'s filings

Straight from EDGAR

Each displayed record links to an original source document. StrongBuyAnalytics provides navigation and brief excerpts or summaries, not the filing itself. Parsing may omit context or contain errors, so read the original document in full.

Transaction codes, not guesswork

The nature shown on each insider filing comes from the transaction code the filer entered on the form itself — P for an open-market purchase, A for a compensation award, F for shares withheld to pay tax, M for an option exercise. Where one filing contains several codes, the transaction table lists them line by line.

Why the distinction matters

Insider activity is routinely summarised as buying or selling, which flattens together decisions that mean very different things. Shares withheld for tax on a vesting grant are an automatic administrative step; shares bought on the open market are someone committing their own money at the current price.

What this page does not tell you

A filing records what happened, not why. Form 4 does not always disclose whether a sale was executed under a pre-arranged Rule 10b5-1 plan, and no single filing is a basis for a decision on IMTX. Read these alongside the fundamentals rather than in isolation.

Frequently Asked Questions — IMTX SEC Filings

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Publisher, sources & limitations — September 15, 2026. StrongBuyAnalytics provides navigation and brief excerpts or summaries for educational use. Original filings remain at SEC EDGAR or other displayed source links; StrongBuyAnalytics does not author them. Filing dates are source dates, not publication dates for this page. Coverage can be delayed, incomplete, amended, or unavailable because of SEC/source availability, parsing, caching, or outages. Verify every material statement in the original filing.
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