Atento S.A.
$20.68
At close−0.78 (−3.63%)
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Breakdown13F · Form 4
Institutions —Insiders 8.41%
Shares outstanding 43.03M · Float —
Institutions13F
No 13F holders on record.
Beneficial owners13D/G · 5% or more, as filed
No 13D/G filer at 5% or more on record.
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| venBio Global Strategic Fund IV, L.P. | 10 percent owner | 4.18M | 9.72% | Aug 10, 2026 |
| Alamar HoldCo, LLC | 10 percent owner | 3.23M | 7.50% | Aug 5, 2026 |
| Colin Walsh | director | 3.02M | 7.02% | Aug 13, 2026 |
| Redmile Group, LLC | 10 percent owner | 2.17M | 5.03% | Aug 7, 2026 |
| Deep Track Biotechnology Master Fund, Ltd. | 10 percent owner | 1.96M | 4.55% | Aug 10, 2026 |
| Frazier Life Sciences XI, L.P. | 10 percent owner | 1.82M | 4.24% | Aug 6, 2026 |
| Sanofi | 10 percent owner | 782.9K | 1.82% | Aug 7, 2026 |
| Attovia Therapeutics, Inc. | director, officer: President and CEO | 333.3K | 0.77% | Aug 4, 2026 |
| Petter Veiby | officer: Chief Scientific Officer | 105.0K | 0.24% | Aug 4, 2026 |
| Zaneta Odrowaz | officer: Chief Business Officer | 103.3K | 0.24% | Aug 4, 2026 |
6 ten-percent owners hold 14.14M shares by Form 4, outside the officers-and-directors figure above
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Aug 5, 2026 | Goldman Sachs Group Incother: Former 10% Owner | Purchase · 7 lots | 190,807 | $21.00 | 190,807 |
| Aug 5, 2026 | Colin Walshdirector | Purchase · 7 lots | 190,807 | $21.00 | 190,807 |
| Aug 6, 2026 | Colin Walshdirector | Purchase | 500,000 | $17.00 | 3,020,632 |
| Aug 5, 2026 | Colin Walshdirector | Sale · 22 lots | 105,607 | $21.28 | 0 |
| Aug 6, 2026 | Goldman Sachs Group Incother: Former 10% Owner | Purchase | 500,000 | $17.00 | 3,020,632 |
| Aug 5, 2026 | Goldman Sachs Group Incother: Former 10% Owner | Sale · 22 lots | 105,607 | $21.28 | 0 |
| Aug 6, 2026 | venBio Global Strategic Fund IV, L.P.10 percent owner | Purchase | 382,352 | $17.00 | 4,181,367 |
| Aug 6, 2026 | Redmile Group, LLC10 percent owner | Purchase · 2 lots | 600,000 | $17.00 | 2,165,708 |
| Aug 6, 2026 | Sanofi10 percent owner | Purchase | 300,000 | $17.00 | 1,082,855 |
| Aug 6, 2026 | Life Sciences XI L.P. Frazier10 percent owner | Purchase | 588,235 | $17.00 | 6,154,213 |
CongressHouse and Senate disclosures
Not reported.