Latest filingAug 28, 2026Most recent Form 4
ATTO
Attovia Therapeutics, Inc.
NasdaqHealthcareBiological Products, (No Diagnostic Substances)
Insider activity for last month from 08/03 to 09/03. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Total buying$2.50B16 buys
Total selling$450M46 sells
Net open-market+$2.05B9 insiders
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale counts Buys Sells
Transaction codes
By Form 4 transaction code in selected period70transactions
- S · Open-market sells · dominant46 · 66%
- P · Open-market buys16 · 23%
- C · Code C8 · 11%
Activity by reported role
A joint filing can contribute to multiple roles70transactions
- 10% owner · dominant35 · 50%
- Director35 · 50%
Distinct insiders active
Reporting-owner CIKs by month · peak Aug 2026 (9)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeGoldman Sachs & Co. LlcCommon Stock · Indirect · See Footnotes
3,020,632Aug 06, 2026
Goldman Sachs Group IncCommon Stock · Indirect · See Footnotes
3,020,632Aug 06, 2026
Goldman Sachs Asset Management, L.P.Common Stock · Indirect · See Footnotes
3,020,632Aug 06, 2026
Broad Street Principal Investments, L.L.C.Common Stock · Indirect · See Footnotes
2,520,632Aug 06, 2026
West Street Life Sciences I, L.P.Common Stock · Indirect · See Footnotes
3,020,632Aug 06, 2026
Walsh ColinCommon Stock · Indirect · See Footnotes
3,020,632Aug 06, 2026
Wsls Emp Offshore Investments, L.P.Common Stock · Indirect · See Footnotes
2,042,134Aug 06, 2026
Goldman Sachs & Co. LlcEquity Swap · Indirect · See Footnotes
105,807Aug 05, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells redAug 03 → Sep 03
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Filing detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
ATTO transaction history
Filters apply within this company and selected period by default| Ticker | Insider | Role | Type | Shares | Value | Code | Signals | 90d return | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|---|
No transactions match your filtersOnce the backend ingests and parses SEC filings, they will appear here. Try removing a filter or picking a wider date range. | ||||||||||
Attovia Therapeutics, Inc. Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at Attovia Therapeutics, Inc.?
WALSH COLIN, Broad Street Principal Investments, L.L.C., GOLDMAN SACHS ASSET MANAGEMENT, L.P., GOLDMAN SACHS & CO. LLC, GOLDMAN SACHS GROUP INC, West Street Life Sciences I, L.P., WSLS EMP OFFSHORE INVESTMENTS, L.P., WSLS EMP ONSHORE INVESTMENTS, L.P., WSLS OFFSHORE INVESTMENTS, SLP.
When was the latest reported open-market purchase?
Walsh Colin reported a buy on Aug 06, 2026 valued at $850M. Read the SEC filing.
When was the latest reported open-market sale?
Walsh Colin reported a sale on Aug 05, 2026 valued at $160M. Read the SEC filing.
What is the recent purchase and sale balance?
Net open-market buying in the selected period was $20,562,832.28. This describes filed transactions, not a bullish rating.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.