Goldman units trade Attovia Therapeutics (ATTO) shares, add swaps
Rhea-AI Filing Summary
Attovia Therapeutics, Inc. (ATTO) is the subject of an amended Form 4 reporting complex indirect transactions associated with director Colin Walsh and entities affiliated with The Goldman Sachs Group Inc. Series B and C Preferred Stock automatically converted into common stock at a 9.29-for-1 ratio upon the IPO closing on August 6, 2026, eliminating those preferred holdings. Goldman Sachs & Co. LLC, acting as a market maker, reported purchases and sales of common stock and the establishment of long equity swap positions, with any profit potentially recoverable under Section 16(b) to be remitted to Attovia. The amendment also corrects an earlier administrative error in the number of common shares issuable upon conversion, and Walsh disclaims beneficial ownership except to the extent of any pecuniary interest.
Positive
- None.
Negative
- None.
Insider Trade Summary
Exercise and sale activity reported; no spread calculated
Exercise and Sale
35 txns
Insider
WALSH COLIN
Role
Director
Bought
690,807 shs ($12.53M)
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 | Equity Swap F3, F1, F2 | 2,872 | $21.22 | $61K |
| Purchase | Equity Swap F3, F1, F2 | 28,717 | $21.22 | $609K |
| Purchase | Equity Swap F3, F1, F2 | 11,488 | $21.22 | $244K |
| Purchase | Equity Swap F3, F1, F2 | 45,588 | $21.27 | $970K |
| Purchase | Equity Swap F3, F1, F2 | 11,398 | $21.27 | $242K |
| Purchase | Equity Swap F3, F1, F2 | 5,744 | $21.22 | $122K |
| 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 Footnotes);
Series C Preferred Stock — 0 shares (Indirect, See Footnotes);
Equity Swap — 105,807 shares (Indirect, See Footnotes);
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 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 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 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 equity swap positions with respect to a total of 105,807 shares. The equity swap positions were inadvertently omitted from the Reporting Persons' original Form 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.
- 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
Total shares purchased: 690,807 shares
Total shares sold: 105,807 shares
Preferred shares converted: 22,627,105 shares
+5 more
8 metrics
Total shares purchased
690,807 shares
Total buyShares across reported transactions in the transactionSummary
Total shares sold
105,807 shares
Total sellShares across reported transactions in the transactionSummary
Preferred shares converted
22,627,105 shares
exerciseShares representing Series B and C Preferred Stock converted into common stock
Preferred Stock conversion ratio
9.29-for-1
Each share of Series B and Series C Preferred Stock converted into common stock on a 9.29-for-1 basis at IPO closing
IPO closing date
August 6, 2026
Date on which the IPO closed and the Preferred Stock automatically converted
Equity swap underlying shares
105,807 shares
Total common shares referenced by long equity swap positions established on August 5, 2026
Large IPO purchase block
500,000 shares at $17.00
Indirect purchase of common stock in the IPO at $17.0000 per share
Market-making purchase
85,000 shares
GS&Co purchases of a total of 85,000 common shares on August 5, 2026
Key Terms
equity swap, market maker, pecuniary interest, Section 16(b), +2 more
6 terms
equity swap financial
"establishment of long equity swap positions with respect to a total of 105,807 shares"
An equity swap is a private financial contract where two parties agree to exchange the gains and losses from a stock or stock index for the cash returns from another investment (like a loan rate or different asset). It lets an investor get the economic benefits or risks of owning a stock without actually holding the shares, similar to trading the fruit harvest from one orchard for the profits of another. Investors use equity swaps to gain exposure, manage risk, take temporary positions, or achieve tax or regulatory goals without buying or selling the underlying stock.
market maker financial
"transactions ... were effected by Goldman Sachs & Co. LLC acting as a market maker"
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 ... except to the extent of the Reporting Person's pecuniary interest"
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.
initial public offering financial
"automatically converted into shares of the Issuer's common stock ... upon the closing of the Issuer's initial public offering"
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.
Preferred Stock financial
"Each share of Series B Preferred Stock and Series C Preferred Stock (the "Preferred Stock") automatically converted"
Preferred stock is a type of ownership in a company that typically offers investors higher and more consistent dividend payments than common stock. Unlike regular shares, preferred stock usually doesn’t come with voting rights but provides a priority claim on the company’s assets and profits, making it a more stable and predictable investment option. This makes preferred stock attractive to those seeking steady income with lower risk.
FAQ
What major insider transactions were reported for ATTO in this amended Form 4?
The filing reports automatic conversion of Series B and C Preferred Stock into common stock at IPO closing, along with market-making purchases and sales of common shares and establishment of equity swap positions by Goldman Sachs & Co. LLC.
What preferred stock conversion terms were disclosed for ATTO?
Each share of Series B and Series C Preferred Stock automatically converted into Attovia common stock on a 9.29-for-1 basis upon closing of the company’s initial public offering on August 6, 2026, with no cash consideration and no expiration date for the preferred shares.
Did the ATTO Form 4/A correct any prior reporting errors?
Yes. A footnote states the prior Form 3 had an administrative error in the number of common shares issuable upon conversion of the preferred stock, and that error is corrected in this Form 4.
Were ATTO transactions conducted under a Rule 10b5-1 trading plan?
No. The Rule 10b5-1 checkbox is not marked, and the footnotes instead describe transactions as market making in the ordinary course of business by Goldman Sachs & Co. LLC, with certain profits to be remitted to Attovia if Section 16(b) applied.
Who actually executed the ATTO trades reported for Colin Walsh?
The footnotes explain that the trades were effected by Goldman Sachs & Co. LLC and related investment vehicles. Colin Walsh disclaims beneficial ownership except for any pecuniary interest, so the positions are attributable to those entities, not to him personally.
AI-generated analysis. How Rhea-AI works. Not financial advice.
