Attovia Therapeutics (ATTO) director reports major preferred conversion and GS trades
Rhea-AI Filing Summary
Attovia Therapeutics, Inc. director Colin Walsh, affiliated with Goldman Sachs entities, reported the automatic conversion of 22,627,105 shares of Series B and C Preferred Stock into common stock on a 9.29-for-1 basis upon the company’s IPO closing on August 6, 2026, with no cash consideration. The resulting common shares are held indirectly through multiple Goldman Sachs-managed investment vehicles, and Walsh disclaims beneficial ownership beyond any pecuniary interest. On August 5–6, 2026, Goldman Sachs & Co. LLC, acting as a market maker, purchased 585,000 ATTO common shares (including 500,000 at $17.00 and 85,000 at $21.00) and sold 105,807 shares around $21–22 per share; any profit recoverable under Section 16(b) will be remitted to Attovia.
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Insights
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Insider Trade Summary
Exercise and sale activity reported; no spread calculated
Exercise and Sale
29 txns
Insider
WALSH COLIN
Role
Director
Bought
585,000 shs ($10.29M)
Sold
105,807 shs ($2.25M)
Approx. gross sale proceeds
$2.25M
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Conversion | Series B Preferred Stock F4, F5, F1, F6, F7, F8 | 18,181,830 | $0.00 | $0.00 |
| Conversion | Series C Preferred Stock F4, F5, F1, F6, F7, F8 | 4,445,275 | $0.00 | $0.00 |
| Conversion | Common Stock F4, F5, F1, F6, F7, F8 | 1,957,134 | $0.00 | $0.00 |
| Conversion | Common Stock F4, F5, F1, F6, F7, F8 | 478,498 | $0.00 | $0.00 |
| Purchase | Common Stock F4, F1, F2 | 500,000 | $17.00 | $8.50M |
| Purchase | Common Stock F1, F2, F3 | 85,000 | $21.00 | $1.78M |
| Sale | Common Stock F1, F2, F3 | 988 | $22.03 | $22K |
| Sale | Common Stock F1, F2, F3 | 447 | $21.87 | $10K |
| Sale | Common Stock F1, F2, F3 | 1,332 | $22.03 | $29K |
| Sale | Common Stock F1, F2, F3 | 200 | $22.05 | $4K |
| Sale | Common Stock F1, F2, F3 | 1,556 | $22.06 | $34K |
| Sale | Common Stock F1, F2, F3 | 3,402 | $22.02 | $75K |
| Sale | Common Stock F1, F2, F3 | 200 | $22.10 | $4K |
| Sale | Common Stock F1, F2, F3 | 480 | $21.55 | $10K |
| Sale | Common Stock F1, F2, F3 | 100 | $22.11 | $2K |
| Sale | Common Stock F1, F2, F3 | 753 | $21.97 | $17K |
| Sale | Common Stock F1, F2, F3 | 672 | $22.02 | $15K |
| Sale | Common Stock F1, F2, F3 | 6,970 | $22.03 | $154K |
| Sale | Common Stock F1, F2, F3 | 400 | $22.02 | $9K |
| Sale | Common Stock F1, F2, F3 | 1,180 | $21.84 | $26K |
| Sale | Common Stock F1, F2, F3 | 1,040 | $22.05 | $23K |
| Sale | Common Stock F1, F2, F3 | 300 | $20.84 | $6K |
| Sale | Common Stock F1, F2, F3 | 443 | $21.78 | $10K |
| Sale | Common Stock F1, F2, F3 | 200 | $22.05 | $4K |
| Sale | Common Stock F1, F2, F3 | 700 | $22.07 | $15K |
| Sale | Common Stock F1, F2, F3 | 1,163 | $22.19 | $26K |
| Sale | Common Stock F1, F2, F3 | 100 | $21.99 | $2K |
| Sale | Common Stock F1, F2, F3 | 6,763 | $21.61 | $146K |
| Sale | Common Stock F1, F2, F3 | 76,418 | $21.04 | $1.61M |
Holdings After Transaction:
Series B Preferred Stock — 0 shares (Indirect, See Footnote);
Series C Preferred Stock — 0 shares (Indirect, See Footnote);
Common Stock — 3,020,632 shares (Indirect, See Footnotes)
Footnotes (8)
- 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 deemed an admission that any such Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.
- F2. These transactions in 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 conceding market making trades in the ordinary course of business can result in liability under Section 16(b) of the Exchange Act, the amount of profit potentially recoverable by the Issuer from the reported transactions in the event that they were subject to Section 16(b) will be remitted to the Issuer.
- F3. GS&Co's transactions in the Issuer's common stock on August 5, 2026 consisted of purchases of a total of 85,000 shares and sales of a total of 105,807 shares.
- 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.
- 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 the Issuer's initial public offering (the "IPO") on August 6, 2026 without payment of consideration. The Preferred Stock has no expiration date.
- 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 Management, L.P. ("GSAM LP"). GS&Co is the manager of Broad Street Principal Investments L.L.C. ("BSPI") which directly holds 96,190 shares of common stock purchased in the IPO and 468,565 shares of common stock converted from 3,497,806 shares of Series B Preferred Stock and 855,179 shares of Series C Preferred Stock of the Issuer. GSAM LP is the investment manager of WSLS Offshore Investments, SLP ("WSLS Offshore") which directly holds 131,283 shares of common stock purchased in the IPO and 639,518 shares of common stock converted from 4,773,948 shares of Series B Preferred Stock and 1,167,182 shares of Series C Preferred Stock of the Issuer,... (continued in footnote 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 5,007,564 shares of Series B Preferred Stock and 1,224,299 shares of Series C Preferred Stock of the Issuer, WSLS Emp Offshore Investments, L.P. ("WSLS Emp Offshore") which directly holds 36,927 shares of common stock purchased in the IPO and 179,879 shares of common stock converted from 1,342,794 shares of Series B Preferred Stock and 328,300 shares of Series C Preferred Stock of the Issuer, and WSLS Emp Onshore Investments, L.P. ("WSLS Emp Onshore") which directly holds 97,892 shares of common stock purchased in the IPO and 476,858 shares of common stock converted from 3,559,718 shares of Series B Preferred Stock and 870,315 shares of Series C Preferred Stock of the Issuer,... (continued in footnote 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 GSAM LP, an indirect subsidiary of GS Group.
Key Figures
Preferred shares converted: 22,627,105 shares
Conversion ratio: 9.29-for-1
Common from Series B: 1,957,134 shares
+5 more
8 metrics
Preferred shares converted
22,627,105 shares
Series B and C Preferred Stock converted into common on August 6, 2026
Conversion ratio
9.29-for-1
Each preferred share automatically converted into common upon IPO closing
Common from Series B
1,957,134 shares
Common stock underlying converted Series B Preferred Stock
Common from Series C
478,498 shares
Common stock underlying converted Series C Preferred Stock
Shares purchased
585,000 shares
Total ATTO common shares bought in reported trades
Shares sold
105,807 shares
Total ATTO common shares sold on August 5, 2026 by GS&Co
IPO purchase block
500,000 shares at $17.00
Indirect purchase of ATTO common on August 6, 2026
Open-market purchase
85,000 shares at $21.00
GS&Co trades in ATTO common on August 5, 2026
Key Terms
Section 16(b), market maker, pecuniary interest, automatic conversion, +1 more
5 terms
Section 16(b) regulatory
"profit potentially recoverable by the Issuer from the reported transactions in the event that they were subject to Section 16(b)"
A federal rule that requires company insiders—like officers, directors and large shareholders—to return any profits made from buying and selling the company’s stock within a six-month window. It matters to investors because it discourages short-term trades that could exploit non-public information and helps protect outside shareholders by creating a simple, enforceable way to recover unfair gains, much like a rule stopping someone from flipping a limited-edition item for quick profit after getting early access.
market maker market
"transactions in the common stock of the Issuer were effected by Goldman Sachs & Co. LLC acting as a market maker in the ordinary course"
A market maker is a firm or individual that stands ready to buy and sell a particular stock or other security throughout the trading day, posting prices at which it will transact so buyers and sellers can trade quickly. Think of it as a shopkeeper who keeps inventory and posts prices to ensure someone can always buy or sell; this reduces delays, narrows price swings, and helps investors execute trades at fairer, more predictable prices.
pecuniary interest financial
"disclaims beneficial ownership of the securities reported herein except to the extent of the Reporting Person's pecuniary interest therein"
automatic conversion financial
"Preferred Stock automatically converted into shares of the Issuer's common stock on a 9.29-for-1 basis upon the closing of the Issuer's initial public offering"
initial public offering financial
"upon the closing of the Issuer's initial public offering on August 6, 2026"
An initial public offering (IPO) is when a private company first sells its shares to the public and becomes a stock-listed company. It matters because it allows the company to raise money from a wide range of investors, helping it grow, while giving early shareholders a way to sell some of their ownership.
FAQ
What did the ATTO Form 4 report for Colin Walsh and Goldman Sachs?
The Form 4 reports automatic conversion of preferred stock into common upon Attovia’s IPO and market-making trades in ATTO shares by Goldman Sachs & Co. LLC, with potential Section 16(b) profits remitted to the company.
What common stock positions arose from the ATTO preferred conversions?
The conversions produced 1,957,134 and 478,498 ATTO common shares from the Series B and C Preferred, respectively, held indirectly through various Goldman Sachs-managed investment vehicles, not directly by Colin Walsh.
Were the ATTO trades under a Rule 10b5-1 plan according to this filing?
The Rule 10b5-1 checkbox is not marked as a plan, and footnotes describe the trades as ordinary-course market making by Goldman Sachs & Co. LLC, with potential Section 16(b) profits remitted to Attovia.
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