Shea Thomas Anthony, CEO and President of OneStream Inc. ($OS), made one open market sale of company shares in the last 365 days, totaling nearly $280,000. His most recent transaction occurred on June 11, 2025. With no open market purchases recorded, his sales rank 7,709th among 11,678 insiders, well below the average sale amount of $8.6 million across 6.4 transactions.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| April 1, 2026 | OneStream, Inc. | $OS | Shea Thomas Anthony | CEO | D | Stock Option (right to buy) | 92992 | $0.00 | 0.0000 | 242,755,313 | 100.00% | 0.04% |
| April 1, 2026 | OneStream, Inc. | $OS | Shea Thomas Anthony | CEO | D | Class A Common Stock | 379963 | $0.00 | 0.0000 | 242,755,313 | 100.00% | 0.16% |
| April 1, 2026 | OneStream, Inc. | $OS | Shea Thomas Anthony | CEO | D | Common Units | 325232 | $0.00 | 0.0000 | 242,755,313 | 100.00% | 0.13% |
| April 1, 2026 | OneStream, Inc. | $OS | Shea Thomas Anthony | CEO | D | Class D Common Stock | 4313836 | $0.00 | 0.0000 | 242,755,313 | 100.00% | 1.78% |
| April 1, 2026 | OneStream, Inc. | $OS | Shea Thomas Anthony | CEO | D | Class D Common Stock | 2814351 | $0.00 | 0.0000 | 242,755,313 | 100.00% | 1.16% |
| April 1, 2026 | OneStream, Inc. | $OS | Shea Thomas Anthony | CEO | D | Class D Common Stock | 9041667 | $0.00 | 0.0000 | 242,755,313 | 100.00% | 3.72% |
| April 1, 2026 | OneStream, Inc. | $OS | Shea Thomas Anthony | CEO | D | Stock Option (right to buy) | 619835 | $0.00 | 0.0000 | 242,755,313 | 100.00% | 0.26% |
| April 1, 2026 | OneStream, Inc. | $OS | Shea Thomas Anthony | CEO | D | Stock Option (right to buy) | 504472 | $0.00 | 0.0000 | 242,755,313 | 100.00% | 0.21% |
| April 1, 2026 | OneStream, Inc. | $OS | Shea Thomas Anthony | CEO | D | Stock Option (right to buy) | 149979 | $0.00 | 0.0000 | 242,755,313 | 100.00% | 0.06% |
| April 1, 2026 | OneStream, Inc. | $OS | Shea Thomas Anthony | CEO | D | Stock Option (right to buy) | 473008 | $0.00 | 0.0000 | 242,755,313 | 100.00% | 0.19% |
| April 1, 2026 | OneStream, Inc. | $OS | Shea Thomas Anthony | CEO | D | Stock Option (right to buy) | 435161 | $0.00 | 0.0000 | 242,755,313 | 100.00% | 0.18% |
| April 1, 2026 | OneStream, Inc. | $OS | Shea Thomas Anthony | CEO | D | Stock Option (right to buy) | 55795 | $0.00 | 0.0000 | 242,755,313 | 100.00% | 0.02% |
| April 1, 2026 | OneStream, Inc. | $OS | Shea Thomas Anthony | CEO | D | Class A Common Stock | 80023 | $0.00 | 0.0000 | 242,755,313 | 100.00% | 0.03% |
| March 24, 2026 | OneStream, Inc. | $OS | Shea Thomas Anthony | CEO | G | Class D Common Stock | 4330215 | $0.00 | 20,500,069.0000 | 242,755,313 | 26.78% | 1.78% |
| March 25, 2026 | OneStream, Inc. | $OS | Shea Thomas Anthony | CEO | G | Class D Common Stock | 4330215 | $0.00 | 20,500,069.0000 | 242,755,313 | 26.78% | 1.78% |
| March 25, 2026 | OneStream, Inc. | $OS | Shea Thomas Anthony | CEO | G | Class D Common Stock | 4330215 | $0.00 | 8,644,051.0000 | 242,755,313 | 33.38% | 1.78% |
| March 24, 2026 | OneStream, Inc. | $OS | Shea Thomas Anthony | CEO | G | Class D Common Stock | 4330215 | $0.00 | 8,644,051.0000 | 242,755,313 | 33.38% | 1.78% |
| March 10, 2026 | OneStream, Inc. | $OS | Shea Thomas Anthony | CEO | F | Class A Common Stock | 9258 | $23.70 | 459,986.0000 | 242,755,313 | 1.97% | 0.00% |
| Dec. 10, 2025 | OneStream, Inc. | $OS | Shea Thomas Anthony | CEO and President | F | Class A Common Stock | 13805 | $18.38 | 469,244.0000 | 242,755,313 | 2.86% | 0.01% |
| Sept. 10, 2025 | OneStream, Inc. | $OS | Shea Thomas Anthony | CEO and President | F | Class A Common Stock | 13805 | $19.79 | 483,049.0000 | 236,510,211 | 2.78% | 0.01% |
| June 10, 2025 | OneStream, Inc. | $OS | Shea Thomas Anthony | CEO and President | C | Class A Common Stock | 150 | $0.00 | 506,767.0000 | 236,510,211 | 0.03% | 0.00% |
| June 10, 2025 | OneStream, Inc. | $OS | Shea Thomas Anthony | CEO and President | C | Class D Common Stock | 150 | $0.00 | 16,169,854.0000 | 236,510,211 | 0.00% | 0.00% |
| June 11, 2025 | OneStream, Inc. | $OS | Shea Thomas Anthony | CEO and President | S | Class A Common Stock | 9913 | $28.23 | 496,854.0000 | 236,510,211 | 1.96% | 0.00% |
| March 10, 2025 | OneStream, Inc. | $OS | Shea Thomas Anthony | Chief Executive Officer | A | Class A Common Stock | 506617 | $0.00 | 506,617.0000 | 236,510,211 | 9999.99% | 0.21% |