Transaction · 0001866174-26-000011

WALSH COLIN

WALSH COLIN, DIR, reported an open-market or private purchase at Attovia Therapeutics, Inc. involving 85000.000000 shares for an estimated $1785000.00. Reported holdings after the transaction were 85000.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

Open-market buySEC transaction code PDIR
ATTOAttovia Therapeutics, Inc.
Filing timeAug 28
Trade dateAug 05, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
Pre-filing
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ATTO price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
ATTO since 2026-08-28Filed 6 days ago · 30 days of pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Buy
Code P
Identifier
0001866174-26-000011
Common Stock
Transaction date
Aug 05, 2026
Filed Aug 28, 2026, 09:38 PM · 23d delay
Shares
85.0k sh
$2.10k per share
Estimated value
$178M
Computed from shares × price
Holdings after
85.0k sh
Indirect · See Footnotes

Filing warnings

Notes recorded with this filing
2 warnings
amended filingThis transaction comes from an amended Form 4 filing.
delayed filingThe filing was reported 23 calendar days after the transaction date.

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Amended Filing Cluster Buy Delayed Filing Director Buy Large Buy Large Holdings Increase
+38score
Filing-only score

+38

Compact filing score computed from stored Form 4 facts. Version v1.

Strong filing signal

This filing has a high positive filing-only score. It may deserve closer research, but it is not an investment recommendation.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

No officer title

Officer NoDirector Yes10% NoOther No
Footnotes & amended
  1. F1

    The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of the Reporting Person's pecuniary interest therein, if any, and this report shall not be de…

  2. F2

    These transactions in or with respect to the common stock of the Issuer were effected by Goldman Sachs & Co. LLC ("GS&Co") acting as a market maker in the ordinary course of business. Without concedin…

  3. F3

    GS&Co's transactions in or with respect to the Issuer's common stock on August 5, 2026 consisted of purchases of a total of 85,000 shares, sales of a total of 105,807 shares, and establishment of long…

  4. F4

    The previous report on Form 3 reflected an administrative error with respect to the number of shares of common stock issuable upon conversion of the Preferred Stock, which is corrected in this Form 4.…

  5. F5

    Each share of Series B Preferred Stock and Series C Preferred Stock (the "Preferred Stock") automatically converted into shares of the Issuer's common stock on a 9.29-for-1 basis upon the closing of t…

  6. F6

    The Reporting Person is a managing director of GS&Co, a subsidiary of The Goldman Sachs Group Inc. ("GS Group"). GS Group is the direct owner of GS&Co and an indirect owner of Goldman Sachs Asset Mana…

  7. F7

    (continued from footnote 6)... West Street Life Sciences I, L.P. ("WSLS I") which directly holds 137,708 shares of common stock purchased in the IPO and 670,812 shares of common stock converted from 5…

  8. F8

    (continued from footnote 7)... GS&Co is a direct subsidiary of GS Group and is the manager of BSPI. WSLS Offshore, WSLS I, WSLS Emp Offshore, and WSLS Emp Onshore are investment vehicles managed by GS…

Amended filing · 0001866174-26-000011
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