Sonendo, Inc. (SONX) shareholders
SONXOTCDental Equipment & SuppliesFiscal year ends December 31
Financials through Q4 FY2024, quarter ended Dec 31, 2024Last filing: 10-K on Mar 26, 2025
$1.28+0.00 (0.00%)
Close on Oct 19, 2026Market cap $606.54KP/E –Yield –
Ownership
Who owns Sonendo's shares
Held by institutions
–
Shares held, 13F filers
Institutional holders
–
Net institutional buying
–
Insider trades, 12 months
0 buys · 0 sales
Open-market trades only
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| OR Efrem Kamen Joint filing with OR Pura Vida Investments, LLC (9.99%) | 7,276,503 | 9.99% | 13G (passive) | Nov 14, 2024 |
| Masters Capital Management, LLC Joint filing with Michael Masters (9.20%) | 5,000,000 | 9.20% | 13G (passive) | Dec 31, 2023 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Bjarne Bergheim President and CEO, Director | Sep 17, 2024 | Award | +1,600,000 | – | – | 3,488,518 |
| John J. Bostjancic Chief Financial Officer | Sep 17, 2024 | Award | +600,000 | – | – | 1,320,000 |
| Vamsi Mohan Raj Pudipeddi Director | Sep 17, 2024 | Award | +200,000 | – | – | 2,574,498 |
| Olav Bergheim Director | Sep 17, 2024 | Award | +200,000 | – | – | 2,141,373 |
| John P. McGaugh Sr. VP Operations | Sep 17, 2024 | Award | +500,000 | – | – | 852,896 |
| Anthony P. Bihl III Director | Sep 17, 2024 | Award | +200,000 | – | – | 325,998 |
| Carolyn Beaver Director | Sep 17, 2024 | Award | +200,000 | – | – | 262,798 |
| Bjarne Bergheim President and CEO, Director | Jun 21, 2024 | Sale | −43,240 | $0.09 | $3.89K | 1,888,518 |
| Roy T. Chen Chief Talent Officer | Jun 20, 2024 | Sale | −8,510 | $0.09 | $766 | 233,777 |
| John J. Bostjancic Chief Financial Officer | Jun 5, 2024 | Award | +720,000 | – | – | 720,000 |
| John P. McGaugh – | May 23, 2024 | Sale | −10,901 | $0.09 | $981 | 352,896 |
| John P. McGaugh – | May 22, 2024 | Buy | +116,500 | $0.10 | $11.65K | 363,797 |
| Olav Bergheim Director | May 16, 2024 | Buy | +520,000 | $0.10 | $52.00K | 1,941,373 |
| Vamsi Mohan Raj Pudipeddi Director | May 14, 2024 | Buy | +500,000 | $0.09 | $45.00K | 2,374,498 |
| Chris Guo Interim CFO | May 6, 2024 | Sale | −492 | $0.10 | $49 | 51,014 |
| Bjarne Bergheim President and CEO, Director | May 3, 2024 | Sale | −2,381 | $0.09 | $214 | 1,931,758 |
| Roy T. Chen Chief Talent Officer | May 3, 2024 | Sale | −774 | $0.09 | $70 | 242,287 |
| Chris Guo Interim CFO | Apr 15, 2024 | Sale | −481 | $0.08 | $38 | 51,506 |
| Roy T. Chen Chief Talent Officer | Mar 26, 2024 | Sale | −2,625 | $0.10 | $263 | 243,061 |
| Bjarne Bergheim President and CEO, Director | Mar 26, 2024 | Sale | −11,493 | $0.10 | $1.15K | 1,934,139 |
| Roy T. Chen Chief Talent Officer | Mar 15, 2024 | Sale | −5,359 | $0.10 | $536 | 245,686 |
| Vamsi Mohan Raj Pudipeddi Director | Mar 15, 2024 | Buy | +800,000 | $0.10 | $80.00K | 1,874,498 |
| Michael Patrick Watts Chief Financial Officer | Mar 15, 2024 | Sale | −10,670 | $0.10 | $1.07K | 528,746 |
| Bjarne Bergheim President and CEO, Director | Mar 15, 2024 | Sale | −23,351 | $0.10 | $2.34K | 1,945,632 |
| Bjarne Bergheim President and CEO, Director | Feb 5, 2024 | Sale | −2,685 | $0.15 | $403 | 1,968,983 |
| Roy T. Chen Chief Talent Officer | Feb 5, 2024 | Sale | −740 | $0.15 | $111 | 251,045 |
| Michael Patrick Watts Chief Financial Officer | Feb 5, 2024 | Sale | −1,614 | $0.15 | $242 | 539,416 |
| Roy T. Chen Chief Talent Officer | Dec 25, 2023 | Sale | −2,166 | $0.32 | $693 | 251,785 |
| Michael Patrick Watts Chief Financial Officer | Dec 25, 2023 | Sale | −5,573 | $0.32 | $1.78K | 541,030 |
| Bjarne Bergheim President and CEO, Director | Dec 25, 2023 | Sale | −11,077 | $0.32 | $3.54K | 1,971,668 |
| Olav Bergheim Director | Dec 15, 2023 | Buy | +250,000 | $0.10 | $25.00K | 1,421,373 |
| Bjarne Bergheim President and CEO, Director | Dec 14, 2023 | Tax withholding | −23,510 | $0.08 | $1.88K | 1,982,745 |
| Michael Patrick Watts Chief Financial Officer | Dec 14, 2023 | Tax withholding | −11,030 | $0.08 | $882 | 546,603 |
| Roy T. Chen Chief Talent Officer | Dec 14, 2023 | Tax withholding | −4,633 | $0.08 | $371 | 253,951 |
| Vamsi Mohan Raj Pudipeddi Director | Dec 13, 2023 | Buy | +600,000 | $0.05 | $30.00K | 1,074,498 |
| Roy T. Chen Chief Talent Officer | Dec 12, 2023 | Sale | −15,924 | $0.08 | $1.27K | 258,584 |
| Roy T. Chen Chief Talent Officer | Dec 5, 2023 | Sale | −26,445 | $0.09 | $2.38K | 274,508 |
| Vamsi Mohan Raj Pudipeddi Director | Nov 27, 2023 | Buy | +200,000 | $0.15 | $30.00K | 474,498 |
| Olav Bergheim Director | Nov 16, 2023 | Buy | +75,000 | $0.26 | $19.50K | 1,171,373 |
| Vamsi Mohan Raj Pudipeddi Director | Nov 14, 2023 | Buy | +50,000 | $0.27 | $13.50K | 274,498 |
| Michael Patrick Watts Chief Financial Officer | Nov 2, 2023 | Tax withholding | −1,090 | $0.27 | $294 | 557,633 |
| Roy T. Chen Chief Talent Officer | Nov 2, 2023 | Tax withholding | −541 | $0.27 | $146 | 300,953 |
| Bjarne Bergheim President and CEO, Director | Nov 2, 2023 | Tax withholding | −2,101 | $0.27 | $567 | 2,006,255 |
| Michael John Smith Chief Commercial Officer | Nov 2, 2023 | Tax withholding | −1,002 | $0.27 | $271 | 742,056 |
| Michael Patrick Watts Chief Financial Officer | Sep 25, 2023 | Tax withholding | −3,824 | $0.79 | $3.02K | 558,723 |
| Roy T. Chen Chief Talent Officer | Sep 25, 2023 | Tax withholding | −2,025 | $0.79 | $1.60K | 301,494 |
| Bjarne Bergheim President and CEO, Director | Sep 25, 2023 | Tax withholding | −10,490 | $0.79 | $8.29K | 2,008,356 |
| Michael John Smith Chief Commercial Officer | Sep 25, 2023 | Tax withholding | −5,848 | $0.79 | $4.62K | 743,058 |
| Roy T. Chen Chief Talent Officer | Sep 14, 2023 | Tax withholding | −4,633 | $0.90 | $4.17K | 303,519 |
| Michael John Smith Chief Commercial Officer | Sep 14, 2023 | Tax withholding | −9,849 | $0.90 | $8.86K | 748,906 |
| Michael Patrick Watts Chief Financial Officer | Sep 14, 2023 | Tax withholding | −8,016 | $0.90 | $7.21K | 562,547 |
| Bjarne Bergheim President and CEO, Director | Sep 14, 2023 | Tax withholding | −23,510 | $0.90 | $21.16K | 2,018,846 |
| Roy T. Chen Chief Talent Officer | Sep 11, 2023 | Sale | −440 | $1.00 | $440 | 308,152 |
| Roy T. Chen Chief Talent Officer | Sep 5, 2023 | Sale | −300 | $1.00 | $300 | 308,592 |
| Roy T. Chen Chief Talent Officer | Sep 1, 2023 | Sale | −3,023 | $1.00 | $3.02K | 308,892 |
| Roy T. Chen Chief Talent Officer | Aug 31, 2023 | Sale | −1,700 | $1.01 | $1.72K | 311,915 |
| Roy T. Chen Chief Talent Officer | Aug 16, 2023 | Sale | −668 | $1.18 | $788 | 313,615 |
| Michael Patrick Watts Chief Financial Officer | Aug 3, 2023 | Sale(10b5-1 plan) | −1,155 | $1.35 | $1.56K | 570,563 |
| Michael John Smith Chief Commercial Officer | Aug 3, 2023 | Sale(10b5-1 plan) | −1,062 | $1.35 | $1.43K | 758,755 |
| Roy T. Chen Chief Talent Officer | Aug 3, 2023 | Sale(10b5-1 plan) | −577 | $1.35 | $779 | 314,283 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Short interest
Shares sold short and not yet bought back, as of Oct 30, 2026 (FINRA, reported twice a month)
Short % of shares outstanding
–
0M shares short
Days to cover
1.0
At 0M shares a day
Change since last report
0.0%
From 0M shares
Short volume, 20 days
44.0%
Of volume reported to FINRA
Shares sold short, last 12 months
Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of Sonendo's stock actually held short. No settlement fails above the SEC's reporting threshold in the last 90 days.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Bjarne Bergheim Officer, Director | Jun 17, 2024 | 23,587 | $2.13K | Jun 17, 2024 | Vesting of RSUs |
| Roy T. Chen Officer | Jun 17, 2024 | 4,527 | $408 | Jun 17, 2024 | Vesting of RSUs |
| Michael Patrick Watts Officer | May 14, 2024 | 134,445 | $12.23K | May 14, 2024 | Restricted Stock |
| Roy T. Chen Officer | Dec 12, 2023 | 15,924 | $1.23K | Dec 12, 2023 | Restricted Stock |
| Roy T. Chen Officer | Dec 5, 2023 | 26,445 | $2.41K | Dec 5, 2023 | Restricted Stock |
| Roy T. Chen Officer | Aug 16, 2023 | 10,451 | $12.02K | Aug 16, 2023 | Vesting of RSUs |
| Roy T. Chen Officer | Aug 16, 2023 | 668 | $786 | Aug 16, 2023 | Restricted Stock |
| Smith Michael John Officer | Aug 2, 2023 | 1,062 | $1.47K | Aug 3, 2023 | Vesting of RSUs |
| Roy T. Chen Officer | Aug 2, 2023 | 577 | $796 | Aug 3, 2023 | Vesting of RSUs |
| Michael Patrick Watts Officer | Aug 2, 2023 | 1,155 | $1.59K | Aug 3, 2023 | Vesting of RSUs |
| Smith Michael John Officer | Jun 26, 2023 | 6,164 | $7.71K | Jun 26, 2023 | Vesting of RSUs |
| Michael Patrick Watts Officer | Jun 26, 2023 | 4,033 | $5.04K | Jun 26, 2023 | Vesting of RSUs |
| Roy T. Chen Officer | Jun 26, 2023 | 2,084 | $2.61K | Jun 26, 2023 | Vesting of RSUs |
| Smith Michael John Officer | Jun 14, 2023 | 10,377 | $11.93K | Jun 15, 2023 | Vesting of RSUs |
| Bjarne Bergheim Officer, Director | Jun 14, 2023 | 24,756 | $28.47K | Jun 15, 2023 | Vesting of RSUs |
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