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ATAI Insider Trading & Form 4 Activity

Last filing: Sep 11, 2026·1mo ago· Data may be outdated
NEUTRAL · LAST 90 DAYS
0%
buyers
$0
0 buys
$0
0 sells
$0
net buying
0
insiders
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Net flow — last 12 months

Monthly net of insider buys minus sells. Green months indicate net buying; red months indicate net selling.

Most active insiders

Ranked by total transaction value over the last 90 days.

INSIDERBOUGHTSOLDNET
Johnson Anne Nagengast
Chief Accounting Officer
—
—
$0
Craig Kevin James
Chief Medical Officer
—
—
$0
Barrett Christopher Ryan Cave
See remarks
—
—
$0
Rao Srinivas
See remarks
—
—
$0
Short Glenn Frank
Chief Scientific Officer
—
—
$0
Angermayer Christian
Director
—
—
$0
Smiley Andrea Heslin
Director
—
—
$0
Kalali Amir H
Director
—
—
$0

Recent transactions

Every Form 4 transaction for ATAI, newest first.

OTHER
Johnson Anne Nagengast · Chief Accounting Officer
Tx Sep 11·Filed Sep 11·EDGAR ↗
140,045 sh
—
OTHER
Craig Kevin James · Chief Medical Officer
Tx Sep 11·Filed Sep 11·EDGAR ↗
8,437 sh
—
OTHER
Barrett Christopher Ryan Cave · See remarks
Tx Sep 11·Filed Sep 11·EDGAR ↗
155,066 sh
—
OTHER
Rao Srinivas · See remarks
Tx Sep 11·Filed Sep 11·EDGAR ↗
212,942 sh
—
OTHER
Rao Srinivas · See remarks
Tx Sep 11·Filed Sep 11·EDGAR ↗
3,500 sh
—
OTHER
Short Glenn Frank · Chief Scientific Officer
Tx Sep 11·Filed Sep 11·EDGAR ↗
42,333 sh
—
OTHER
Angermayer Christian · Director
Tx Sep 11·Filed Sep 11·EDGAR ↗
559,232 sh
—
OTHER
Angermayer Christian · Director
Tx Sep 11·Filed Sep 11·EDGAR ↗
53,398,214 sh
—
OTHER
Angermayer Christian · Director
Tx Sep 11·Filed Sep 11·EDGAR ↗
1,799,302 sh
—
OTHER
Smiley Andrea Heslin · Director
Tx Sep 11·Filed Sep 11·EDGAR ↗
4,666 sh
—
OTHER
Kalali Amir H · Director
Tx Sep 11·Filed Sep 11·EDGAR ↗
4,666 sh
—
EXERCISE10b5-1
Hershberg Robert · Director
Tx Jul 7·Filed Jul 9·EDGAR ↗
51,142 sh @ $1.35
$69K
SELL10b5-1
Hershberg Robert · Director
Tx Jul 7·Filed Jul 9·EDGAR ↗
100,000 sh @ $4.96
$496K
EXERCISE10b5-1
Hershberg Robert · Director
Tx Jul 7·Filed Jul 9·EDGAR ↗
48,858 sh @ $1.35
$66K
EXERCISE10b5-1
Kochendoerfer Gerd · Chief Operating Officer
Tx Jun 26·Filed Jun 29·EDGAR ↗
50,000 sh @ $1.60
$80K
SELL10b5-1
Kochendoerfer Gerd · Chief Operating Officer
Tx Jun 26·Filed Jun 29·EDGAR ↗
50,000 sh @ $5.00
$250K
EXERCISE10b5-1
Craig Kevin James · Chief Medical Officer
Tx Jun 25·Filed Jun 29·EDGAR ↗
33,051 sh @ $1.50
$50K
SELL10b5-1
Craig Kevin James · Chief Medical Officer
Tx Jun 25·Filed Jun 29·EDGAR ↗
42,579 sh @ $4.51
$192K
EXERCISE10b5-1
Craig Kevin James · Chief Medical Officer
Tx Jun 25·Filed Jun 29·EDGAR ↗
9,528 sh @ $1.18
$11K

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About ATAI insider trading data

Form 4 is the SEC filing required when an officer, director, or 10% owner of a public company buys or sells the company's stock. By law, these filings must be submitted within two business days of the trade. Tracenotes pulls every Form 4 filing for ATAI from EDGAR, parses it, and surfaces the activity on this page.

What insider buying tells you. Open-market purchases by insiders are widely studied as a meaningful signal. Unlike stock awards (which are compensation, not conviction), an executive spending their own money to buy shares of the company they run is a vote of confidence. Studies have found insider-buying clusters — three or more insiders buying within a short window — outperform the broader market over the following year.

What insider selling tells you. Selling is noisier. Many sales are pre-scheduled under SEC Rule 10b5-1 plans, which let insiders sell on a fixed schedule regardless of company news. We label these "10b5-1" so you can see them. Discretionary sales — sales not tied to a plan — are more meaningful, especially when multiple insiders sell in quick succession.

Tracenotes methodology. We scan EDGAR daily for new Form 4 filings, parse them into individual transactions, and detect clusters when three or more distinct insiders buy or sell within a 14-day window. The data on this page covers the last 12 months. For deeper analysis, Tracenotes also runs language-change detection on 10-K and 10-Q filings — that's our core product.

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Frequently asked questions

What is a Form 4 filing?

Form 4 is the SEC disclosure required when a company insider — an officer, director, or 10% owner — buys or sells the company's stock. By law these filings must be submitted within two business days of the trade.

Is insider buying ATAI always bullish?

Open-market purchases by insiders are widely viewed as a bullish signal because executives are spending their own money. Stock awards and option exercises are part of compensation and don't carry the same weight, which is why we treat them separately on this page.

What is a 10b5-1 trade?

A trade made under SEC Rule 10b5-1, which lets insiders pre-schedule sales weeks or months in advance. These sales execute on a fixed plan regardless of company news, so they're a weaker signal than discretionary sales. We label them with a "10b5-1" tag.

What is an insider cluster?

A cluster is when three or more distinct insiders buy or sell within a 14-day window. Clusters are studied as stronger signals than single trades because multiple people independently reach the same view. We surface active clusters on ATAI when they form.

Where does ATAI insider trading data come from?

Every Form 4 filing for ATAI is sourced directly from SEC EDGAR. Tracenotes scans EDGAR daily, parses each Form 4 into individual transactions, and updates this page within hours of new filings.

Nothing on this page constitutes investment advice. Form 4 data is sourced from SEC EDGAR and provided for research purposes only.

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