Company / CIK 0001043000
SONIDA SENIOR LIVING, INC.
- Ticker
- SNDA
- Size, estimated from filings
- Small cap ($300M – $2B)
- Insiders on file
- 13
- Members of Congress who traded it
- 1
- Federal contracts on record
- none matched
- Lobbying filings on record
- none matched
- SEC filings
- EDGAR ↗
- Latest trade on record
- September 2, 2026
SONIDA SENIOR LIVING, INC. (SNDA) has 13 insiders on file who disclosed 73 transactions in the last 12 months (4 open-market buys, 27 sales, about $214.6M at reported prices), and 2 congressional trades in its stock are on record. No federal contract award that started in the last 180 days was found for a recipient with exactly this name; no lobbying filing names it as client this year.
SONIDA SENIOR LIVING, INC. in charts
Who is trading this stock
Which people account for the buying and selling over the last 12 months?
8 people account for the disclosed buying and selling in SONIDA SENIOR LIVING, INC. over the last 12 months; the most active is Simanovsky Michael with $111M.
Insiders
| Name | Role | Rows | Bought | Sold | Last filed |
|---|---|---|---|---|---|
| Simanovsky Michael | Director | 36 | 4 | 8 | September 4, 2026 |
| Harris Benjamin P | Director | 4 | 0 | 3 | August 19, 2026 |
| Nikodemus Anton D. | Chief Operating Officer | 2 | 0 | 0 | July 6, 2026 |
| Mauldin Stephen H | Director | 1 | 0 | 0 | June 15, 2026 |
| Donohue Lilly | Director | 1 | 0 | 0 | June 15, 2026 |
| Levinson Sam | Director | 1 | 0 | 0 | June 15, 2026 |
| Martin J Chandler | Director | 1 | 0 | 0 | June 15, 2026 |
| KRUEGER JILL M | Director | 1 | 0 | 0 | June 15, 2026 |
| Levy Max | SVP & Chief Investment Officer | 4 | 0 | 2 | June 8, 2026 |
| Cober Timothy | SVP & Chief Accounting Officer | 6 | 0 | 4 | May 21, 2026 |
| Ribar Brandon | President & CEO | 6 | 0 | 4 | May 21, 2026 |
| Detz Kevin | EVP & Chief Financial Officer | 6 | 0 | 4 | May 21, 2026 |
| Bailey Tabitha | SVP & Chief Legal Officer | 4 | 0 | 2 | May 21, 2026 |
Rows are this company's Form 4 rows for each person. "Bought" and "sold" count open-market purchases (code P) and sales only. More in insider buying and insider selling.
Members of Congress who traded SNDA
From periodic transaction reports that name the company's stock. Amounts are the sums of the ranges as filed. Every row is on the SNDA page.
| Member | Seat | Trades | Bought | Sold | Range as filed | Latest |
|---|---|---|---|---|---|---|
| Rick Larsen | Representative (WA, District 2), Democrat | 2 | 0 | 1 | $2,002–$30K | April 7, 2026 |
Insider transactions
| Filer | Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Simanovsky Michael | SNDA | Other J | September 2, 2026 | September 4, 2026 | 2d | 100,373 | — | — | indirect | Form 4 ↗ | |
| Simanovsky Michael | SNDA | Sell S | September 1, 2026 | September 1, 2026 | 0d | 97,581 | $38 | $3.7M | indirect | Form 4 ↗ | |
| Simanovsky Michael | SNDA | Sell S | August 28, 2026 | September 1, 2026 | 4d | 4,615 | $39 | $181K | indirect | Form 4 ↗ | |
| Simanovsky Michael | SNDA | Sell S | August 28, 2026 | September 1, 2026 | 4d | 21,792 | $38 | $832K | indirect | Form 4 ↗ | |
| Simanovsky Michael | SNDA | Sell S | August 27, 2026 | August 27, 2026 | 0d | 15,000 | $39 | $585K | indirect | Form 4 ↗ | |
| Simanovsky Michael | SNDA | Sell S | August 26, 2026 | August 27, 2026 | 1d | 15,086 | $41 | $618K | indirect | Form 4 ↗ | |
| Simanovsky Michael | SNDA | Sell S | August 25, 2026 | August 27, 2026 | 2d | 115,000 | $41 | $4.7M | indirect | Form 4 ↗ | |
| Simanovsky Michael | SNDA | Other J | August 21, 2026 | August 25, 2026 | 4d | 1,182,595 | — | — | indirect | Form 4 ↗ | |
| Harris Benjamin P | SNDA | Sell S | August 14, 2026 | August 19, 2026 | 5d | 3,195 | $40 | $127K | late | Form 4 ↗ | |
| Harris Benjamin P | SNDA | Sell S | August 14, 2026 | August 19, 2026 | 5d | 3,074 | $40 | $122K | late | Form 4 ↗ | |
| Simanovsky Michael | SNDA | Option / conversion M | August 10, 2026 | August 10, 2026 | 0d | 2,508 | — | — | indirectderivative | Form 4 ↗ | |
| Simanovsky Michael | SNDA | Option / conversion M | August 10, 2026 | August 10, 2026 | 0d | 38,742 | — | — | indirectderivative | Form 4 ↗ | |
| Simanovsky Michael | SNDA | Other A | August 10, 2026 | August 10, 2026 | 0d | 2,508 | — | — | indirectderivative | Form 4 ↗ | |
| Simanovsky Michael | SNDA | Other A | August 10, 2026 | August 10, 2026 | 0d | 38,742 | — | — | indirectderivative | Form 4 ↗ | |
| Simanovsky Michael | SNDA | Option / conversion D | August 10, 2026 | August 10, 2026 | 0d | 2,508 | — | — | indirectderivative | Form 4 ↗ | |
| Simanovsky Michael | SNDA | Option / conversion D | August 10, 2026 | August 10, 2026 | 0d | 38,742 | — | — | indirectderivative | Form 4 ↗ | |
| Simanovsky Michael | SNDA | Other A | August 10, 2026 | August 10, 2026 | 0d | 2,508 | — | — | indirectderivative | Form 4 ↗ | |
| Simanovsky Michael | SNDA | Other A | August 10, 2026 | August 10, 2026 | 0d | 38,742 | — | — | indirectderivative | Form 4 ↗ | |
| Simanovsky Michael | SNDA | Option / conversion M | August 10, 2026 | August 10, 2026 | 0d | 97,371 | $32 | $3.1M | indirect | Form 4 ↗ | |
| Simanovsky Michael | SNDA | Option / conversion M | August 10, 2026 | August 10, 2026 | 0d | 1,504,134 | $32 | $48.1M | indirect | Form 4 ↗ | |
| Simanovsky Michael | SNDA | Sell D | August 10, 2026 | August 10, 2026 | 0d | 97,371 | — | — | indirect | Form 4 ↗ | |
| Simanovsky Michael | SNDA | Sell D | August 10, 2026 | August 10, 2026 | 0d | 1,504,134 | — | — | indirect | Form 4 ↗ | |
| Nikodemus Anton D. | SNDA | Other A | July 1, 2026 | July 6, 2026 | 5d | 75,000 | — | — | latederivative | Form 4 ↗ | |
| Nikodemus Anton D. | SNDA | Other A | July 1, 2026 | July 6, 2026 | 5d | 12,118 | — | — | late | Form 4 ↗ | |
| KRUEGER JILL M | SNDA | Other A | June 11, 2026 | June 15, 2026 | 4d | 4,132 | — | — | Form 4 ↗ | ||
| Martin J Chandler | SNDA | Other A | June 11, 2026 | June 15, 2026 | 4d | 4,132 | — | — | Form 4 ↗ | ||
| Harris Benjamin P | SNDA | Sell S | May 13, 2026 | June 15, 2026 | 33d | 2,500 | $37 | $94K | late | Form 4 ↗ | |
| Levinson Sam | SNDA | Other A | June 11, 2026 | June 15, 2026 | 4d | 6,412 | — | — | Form 4 ↗ | ||
| Donohue Lilly | SNDA | Other A | June 11, 2026 | June 15, 2026 | 4d | 4,132 | — | — | Form 4 ↗ | ||
| Mauldin Stephen H | SNDA | Other A | June 11, 2026 | June 15, 2026 | 4d | 4,132 | — | — | Form 4 ↗ | ||
| Harris Benjamin P | SNDA | Other A | June 11, 2026 | June 15, 2026 | 4d | 7,124 | — | — | Form 4 ↗ | ||
| Levy Max | SNDA | Sell F | June 2, 2026 | June 8, 2026 | 6d | 1,785 | $33 | $58K | late | Form 4 ↗ | |
| Bailey Tabitha | SNDA | Sell F | May 19, 2026 | May 21, 2026 | 2d | 432 | $37 | $16K | Form 4 ↗ | ||
| Cober Timothy | SNDA | Sell F | May 19, 2026 | May 21, 2026 | 2d | 346 | $37 | $13K | Form 4 ↗ | ||
| Levy Max | SNDA | Sell F | May 19, 2026 | May 21, 2026 | 2d | 1,363 | $37 | $50K | Form 4 ↗ | ||
| Ribar Brandon | SNDA | Sell F | May 19, 2026 | May 21, 2026 | 2d | 3,067 | $37 | $113K | Form 4 ↗ | ||
| Detz Kevin | SNDA | Sell F | May 19, 2026 | May 21, 2026 | 2d | 1,952 | $37 | $72K | Form 4 ↗ | ||
| Detz Kevin | SNDA | Other A | April 17, 2026 | April 22, 2026 | 5d | 12,723 | — | — | late | Form 4 ↗ | |
| Detz Kevin | SNDA | Sell F | April 5, 2026 | April 22, 2026 | 17d | 4,461 | $32 | $144K | late | Form 4 ↗ | |
| Ribar Brandon | SNDA | Other A | April 17, 2026 | April 22, 2026 | 5d | 23,023 | — | — | late | Form 4 ↗ | |
| Ribar Brandon | SNDA | Sell F | April 5, 2026 | April 22, 2026 | 17d | 7,010 | $32 | $226K | late | Form 4 ↗ | |
| Levy Max | SNDA | Other A | April 17, 2026 | April 21, 2026 | 4d | 8,482 | — | — | Form 4 ↗ | ||
| Cober Timothy | SNDA | Other A | April 17, 2026 | April 21, 2026 | 4d | 3,635 | — | — | Form 4 ↗ | ||
| Cober Timothy | SNDA | Sell F | April 5, 2026 | April 21, 2026 | 16d | 593 | $32 | $19K | late | Form 4 ↗ | |
| Bailey Tabitha | SNDA | Other A | April 17, 2026 | April 21, 2026 | 4d | 4,847 | — | — | Form 4 ↗ | ||
| Bailey Tabitha | SNDA | Other A | February 23, 2026 | April 10, 2026 | 46d | 55,000 | — | — | latederivative | Form 4 ↗ | |
| Bailey Tabitha | SNDA | Sell F | December 9, 2025 | April 10, 2026 | 122d | 402 | $30 | $12K | late | Form 4 ↗ | |
| Detz Kevin | SNDA | Other A | February 23, 2026 | April 10, 2026 | 46d | 185,000 | — | — | latederivative | Form 4 ↗ | |
| Detz Kevin | SNDA | Sell F | March 9, 2026 | April 10, 2026 | 32d | 2,917 | $37 | $107K | late | Form 4 ↗ | |
| Detz Kevin | SNDA | Sell D | March 9, 2026 | April 10, 2026 | 32d | 9,134 | — | — | late | Form 4 ↗ | |
| Ribar Brandon | SNDA | Other A | February 23, 2026 | April 10, 2026 | 46d | 275,000 | — | — | latederivative | Form 4 ↗ | |
| Ribar Brandon | SNDA | Sell F | March 9, 2026 | April 10, 2026 | 32d | 6,472 | $37 | $237K | late | Form 4 ↗ | |
| Ribar Brandon | SNDA | Sell D | March 9, 2026 | April 10, 2026 | 32d | 14,353 | — | — | late | Form 4 ↗ | |
| Levy Max | SNDA | Other A | February 23, 2026 | April 10, 2026 | 46d | 130,000 | — | — | latederivative | Form 4 ↗ | |
| Cober Timothy | SNDA | Other A | February 23, 2026 | April 10, 2026 | 46d | 55,000 | — | — | latederivative | Form 4 ↗ | |
| Cober Timothy | SNDA | Sell F | March 9, 2026 | April 10, 2026 | 32d | 547 | $37 | $20K | late | Form 4 ↗ | |
| Cober Timothy | SNDA | Sell D | March 9, 2026 | April 10, 2026 | 32d | 1,957 | — | — | late | Form 4 ↗ | |
| Simanovsky Michael | SNDA | Other A | March 11, 2026 | March 13, 2026 | 2d | 62,712 | — | — | indirectderivative | Form 4 ↗ | |
| Simanovsky Michael | SNDA | Other A | March 11, 2026 | March 13, 2026 | 2d | 968,538 | — | — | indirectderivative | Form 4 ↗ | |
| Simanovsky Michael | SNDA | Option / conversion D | March 11, 2026 | March 13, 2026 | 2d | 62,712 | — | — | indirectderivative | Form 4 ↗ | |
| Simanovsky Michael | SNDA | Option / conversion D | March 11, 2026 | March 13, 2026 | 2d | 968,538 | — | — | indirectderivative | Form 4 ↗ | |
| Simanovsky Michael | SNDA | Option / conversion M | March 11, 2026 | March 13, 2026 | 2d | 2,508 | — | — | indirectderivative | Form 4 ↗ | |
| Simanovsky Michael | SNDA | Option / conversion M | March 11, 2026 | March 13, 2026 | 2d | 38,742 | — | — | indirectderivative | Form 4 ↗ | |
| Simanovsky Michael | SNDA | Other A | March 11, 2026 | March 13, 2026 | 2d | 2,508 | — | — | indirectderivative | Form 4 ↗ | |
| Simanovsky Michael | SNDA | Other A | March 11, 2026 | March 13, 2026 | 2d | 38,742 | — | — | indirectderivative | Form 4 ↗ | |
| Simanovsky Michael | SNDA | Option / conversion D | March 11, 2026 | March 13, 2026 | 2d | 2,508 | — | — | indirectderivative | Form 4 ↗ | |
| Simanovsky Michael | SNDA | Option / conversion D | March 11, 2026 | March 13, 2026 | 2d | 38,742 | — | — | indirectderivative | Form 4 ↗ | |
| Simanovsky Michael | SNDA | Option / conversion M | March 11, 2026 | March 13, 2026 | 2d | 97,371 | $32 | $3.1M | indirect | Form 4 ↗ | |
| Simanovsky Michael | SNDA | Option / conversion M | March 11, 2026 | March 13, 2026 | 2d | 1,504,134 | $32 | $48.1M | indirect | Form 4 ↗ | |
| Simanovsky Michael | SNDA | Buy P | March 11, 2026 | March 13, 2026 | 2d | 1,834,951 | $27 | $49.1M | indirect | Form 4 ↗ | |
| Simanovsky Michael | SNDA | Buy P | March 11, 2026 | March 13, 2026 | 2d | 224,829 | $27 | $6.0M | indirect | Form 4 ↗ | |
| Simanovsky Michael | SNDA | Buy P | March 11, 2026 | March 13, 2026 | 2d | 87,530 | $27 | $2.3M | indirect | Form 4 ↗ | |
| Simanovsky Michael | SNDA | Buy P | March 11, 2026 | March 13, 2026 | 2d | 1,592,406 | $27 | $42.6M | indirect | Form 4 ↗ |
Federal contracts (USAspending, awards started in the last 180 days)
No contract award starting in the last 180 days was found for a recipient named exactly "SONIDA SENIOR LIVING, INC.". Subsidiaries and differently-spelled recipients are not matched — search contracts.
Lobbying (Senate LDA, as client)
No LDA filing posted since October 2025 names "SONIDA SENIOR LIVING, INC." as the client. Filings under a subsidiary or trade-association name are not matched — search lobbying.
Related companies
Companies whose stock was traded by the same people who traded SNDA, by number of filers in common. It shows overlap in public filings and nothing else.
- Meta Platforms, Inc. META 1 filer in common
- ANALOG DEVICES INC ADI 1 filer in common
- Walmart Inc. WMT 1 filer in common
- DARDEN RESTAURANTS INC DRI 1 filer in common
- WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP WAB 1 filer in common
- WILLIAMS SONOMA INC WSM 1 filer in common
- Zoetis Inc. ZTS 1 filer in common
- S&P Global Inc. SPGI 1 filer in common
Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- What disclosure data cannot tell you Filings are late by design: up to 45 days for Congress, two business days for insiders.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| House Clerk, periodic transaction reports | 1 | 2 | April 15, 2026 | April 15, 2026 | House Clerk search |
| SEC EDGAR, Form 4 | 31 | 73 | March 13, 2026 | September 4, 2026 | Form 4 list on EDGAR |
Site built October 27, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Insiders and their transactions come from SEC EDGAR Form 4 filings for this issuer. Contracts and lobbying are matched by exact normalized name (suffixes like Inc./Corp. ignored) to USAspending recipients and LDA clients — a conservative match that misses subsidiaries on purpose. See methodology and corrections.
Not investment advice. Public records shown as filed; no recommendation is made or implied.