HERSHBERG ROBERT
Director · Officer · ATAI, ADPT, RXRX, HLVX
As of 2026-09-16, HERSHBERG ROBERT has 46 Form 4 transactions on record across 4 companies — 37 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Reconstructed holdings
- Direct $517K
- Indirect $0
| RXRX | direct | 162,156 sh | $517K |
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-08-18 | ADPT | Sale | 15,664 @ $24.41 | $382K | −25.1% of holding | 46,683 | Form 4 |
| 2026-08-18 | ADPT | Sale | 15,000 @ $24.39 | $366K | −19.4% of holding | 62,347 | Form 4 |
| 2026-07-07 | ATAI | Sale | 100,000 @ $4.96 | $496K | −50.0% of holding | 100,000 | Form 4 |
| 2025-12-10 | ADPT | Sale | 22,968 @ $16.00 | $367K | −33.0% of holding | 46,722 | Form 4 |
| 2025-03-12 | ADPT | Sale | 53,000 @ $7.59 | $402K | −43.2% of holding | 69,690 | Form 4 |
| 2025-02-11 | HLVX | Sale | 11,901 @ $1.76 | $21K | −1.1% of holding | 1,101,498 | Form 4 |
| 2025-02-04 | HLVX | Sale | 14,634 @ $1.89 | $28K | −1.3% of holding | 1,113,399 | Form 4 |
39 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-09-11 | ATAI | Disposition | 48,858 | 0 | Form 4 |
| 2026-09-11 | ATAI | Disposition | 121,968 | 0 | Form 4 |
| 2026-09-11 | ATAI | Disposition | 103,000 | 0 | Form 4 |
| 2026-09-11 | ATAI | Disposition | 62,394 | 0 | Form 4 |
| 2026-09-11 | ATAI | Disposition | 404,869 | 0 | Form 4 |
| 2026-09-11 | ATAI | Disposition | 48,858 | 0 | Form 4 |
| 2026-09-11 | ATAI | Disposition | 121,968 | 0 | Form 4 |
| 2026-09-11 | ATAI | Disposition | 103,000 | 0 | Form 4 |
| 2026-09-11 | ATAI | Disposition | 62,394 | 0 | Form 4 |
| 2026-09-11 | ATAI | Disposition | 404,869 | 0 | Form 4 |
| 2026-09-11 | ATAI | Disposition | 48,858 | 0 | Form 4 |
| 2026-09-11 | ATAI | Disposition | 121,968 | 0 | Form 4 |
| 2026-09-11 | ATAI | Disposition | 404,869 | 0 | Form 4 |
| 2026-09-11 | ATAI | Disposition | 48,858 | 0 | Form 4 |
| 2026-09-11 | ATAI | Disposition | 103,000 | 0 | Form 4 |
| 2026-09-11 | ATAI | Disposition | 62,394 | 0 | Form 4 |
| 2026-09-11 | ATAI | Disposition | 121,968 | 0 | Form 4 |
| 2026-09-11 | ATAI | Disposition | 103,000 | 0 | Form 4 |
| 2026-09-11 | ATAI | Disposition | 62,394 | 0 | Form 4 |
| 2026-09-11 | ATAI | Disposition | 404,869 | 0 | Form 4 |
| 2026-08-18 | ADPT | Option exercise | 15,000 | 77,347 | Form 4 |
| 2026-08-18 | ADPT | Option exercise | 15,000 | 0 | Form 4 |
| 2026-07-07 | ATAI | Option exercise | 51,142 | 100,000 | Form 4 |
| 2026-07-07 | ATAI | Option exercise | 48,858 | 48,858 | Form 4 |
| 2026-07-07 | ATAI | Option exercise | 51,142 | 404,869 | Form 4 |
| 2026-07-07 | ATAI | Option exercise | 48,858 | 48,858 | Form 4 |
| 2026-06-17 | RXRX | Award / grant | 88,424 | 162,156 | Form 4 |
| 2026-06-04 | ATAI | Award / grant | 121,968 | 121,968 | Form 4 |
| 2026-03-04 | ADPT | Award / grant | 15,625 | 62,347 | Form 4 |
| 2025-11-05 | ATAI | Award / grant | 103,000 | 103,000 | Form 4 |
| 2025-11-05 | ATAI | Award / grant | 62,394 | 62,394 | Form 4 |
| 2025-11-05 | ATAI | Award / grant | 97,716 | 97,716 | Form 4 |
| 2025-11-05 | ATAI | Award / grant | 456,011 | 456,011 | Form 4 |
| 2025-09-17 | HLVX | Code U | 1,101,498 | 0 | Form 4 |
| 2025-09-17 | HLVX | Code U | 1,101,498 | 0 | Form 4 |
| 2025-06-18 | RXRX | Award / grant | 44,031 | 44,031 | Form 4 |
| 2025-06-18 | RXRX | Award / grant | 22,016 | 73,732 | Form 4 |
| 2025-03-04 | ADPT | Award / grant | 15,394 | 122,690 | Form 4 |
| 2025-03-04 | ADPT | Award / grant | 23,726 | 23,726 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.