Reporting owner · Q3 2026 · CIK 1274139

Hershberg Robert: insider trades.

Hershberg Robert reported 6 non-derivative transactions on 3 SEC ownership filings in Q3 2026: 0 open-market purchases and 3 sales ($1.2M), across 2 companies.

Transactions
6
Purchases (P)
0
Sales (S)
3
Companies
2
Name as filed
HERSHBERG ROBERT

Companies

CompanyRelationshipTransactions
Adaptive Biotechnologies Corp (ADPT)Director3
AtaiBeckley Inc. (ATAI)Director3

Transactions

6 non-derivative rows. Shares and prices as filed.
DateCompanyCodeSharesPriceOwned afterFiling
2026-08-18Adaptive Biotechnologies CorpS15,000$24.3962,347Form 4
2026-08-18Adaptive Biotechnologies CorpS15,664$24.4146,683Form 4
2026-08-18Adaptive Biotechnologies CorpM15,000$6.3277,347Form 4
2026-07-07AtaiBeckley Inc.S100,000$4.96100,000Form 4
2026-07-07AtaiBeckley Inc.M51,142$1.35100,000Form 4
2026-07-07AtaiBeckley Inc.M48,858$1.3548,858Form 4

Questions

What stock did Hershberg Robert buy or sell?

Hershberg Robert reported 6 non-derivative transactions on 3 SEC ownership filings in Q3 2026: 0 open-market purchases and 3 sales ($1.2M), across 2 companies.

Is Hershberg Robert the same person as other filers with this name?

This page covers SEC CIK 1274139 only. The SEC assigns each reporting owner a CIK, and people with the same name have different CIKs.

Source: SEC Insider Transactions Data Sets, Q3 2026. Reported as filed; we do not assess intent, performance or compliance. All filings for this CIK on SEC.gov.

Plain-text version for agents and LLMs: /insiders/hershberg-robert-1274139.md

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