Stern Sadie, EVP and Chief HR Officer at DexCom Inc. ($DXCM), sold nearly $900,000 worth of company shares in four open market transactions over the past year. Her most recent sale occurred on September 4, 2025. These sales rank her 5,179th among nearly 12,000 individual insiders by total value sold, well below the average of about $8.6 million across roughly six transactions per insider. She made no open market purchases in this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 8, 2026 | DEXCOM INC | $DXCM | Stern Sadie | EVP, Chief HR Officer | F | Common Stock | 17199 | $68.10 | 131,510.0000 | 405,500,000 | 11.57% | 0.00% |
| March 8, 2026 | DEXCOM INC | $DXCM | Stern Sadie | EVP, Chief HR Officer | A | Common Stock | 39019 | $0.00 | 148,709.0000 | 405,500,000 | 35.57% | 0.01% |
| Jan. 29, 2026 | DEXCOM INC | $DXCM | Stern Sadie | EVP, Chief HR Officer | F | Common Stock | 2656 | $73.36 | 109,690.0000 | 405,500,000 | 2.36% | 0.00% |
| Jan. 29, 2026 | DEXCOM INC | $DXCM | Stern Sadie | EVP, Chief HR Officer | A | Common Stock | 7123 | $0.00 | 112,346.0000 | 405,500,000 | 6.77% | 0.00% |
| Sept. 4, 2025 | DEXCOM INC | $DXCM | Stern Sadie | EVP, Chief HR Officer | S | Common Stock | 1466 | $80.00 | 105,223.0000 | 412,700,000 | 1.37% | 0.00% |
| July 28, 2025 | DEXCOM INC | $DXCM | Stern Sadie | EVP, Chief HR Officer | S | Common Stock | 1466 | $88.99 | 106,689.0000 | 412,700,000 | 1.36% | 0.00% |
| June 26, 2025 | DEXCOM INC | $DXCM | Stern Sadie | EVP, Chief HR Officer | S | Common Stock | 1466 | $85.06 | 108,155.0000 | 412,700,000 | 1.34% | 0.00% |
| May 27, 2025 | DEXCOM INC | $DXCM | Stern Sadie | EVP, Chief HR Officer | S | Common Stock | 6184 | $85.11 | 109,621.0000 | 412,700,000 | 5.34% | 0.00% |
| March 12, 2025 | DEXCOM INC | $DXCM | Stern Sadie | EVP, Chief HR Officer | S | Common Stock | 11176 | $70.38 | 115,805.0000 | 412,700,000 | 8.80% | 0.00% |
| March 8, 2025 | DEXCOM INC | $DXCM | Stern Sadie | EVP, Chief HR Officer | A | Common Stock | 29922 | $0.00 | 104,183.0000 | 412,700,000 | 40.29% | 0.01% |
| March 8, 2025 | DEXCOM INC | $DXCM | Stern Sadie | EVP, Chief HR Officer | A | Common Stock | 22798 | $0.00 | 126,981.0000 | 412,700,000 | 21.88% | 0.01% |
| Jan. 28, 2025 | DEXCOM INC | $DXCM | Stern Sadie | EVP, Chief HR Officer | A | Common Stock | 5586 | $0.00 | 76,354.0000 | 412,700,000 | 7.89% | 0.00% |
| Jan. 29, 2025 | DEXCOM INC | $DXCM | Stern Sadie | EVP, Chief HR Officer | S | Common Stock | 2093 | $86.91 | 74,261.0000 | 412,700,000 | 2.74% | 0.00% |
| Dec. 16, 2024 | DEXCOM INC | $DXCM | Stern Sadie | EVP, Chief HR Officer | S | Common Stock | 424 | $76.87 | 70,768.0000 | 414,700,000 | 0.60% | 0.00% |
| Nov. 20, 2024 | DEXCOM INC | $DXCM | Stern Sadie | EVP, Chief HR Officer | S | Common Stock | 4259 | $74.73 | 71,192.0000 | 414,700,000 | 5.64% | 0.00% |
| Sept. 9, 2024 | DEXCOM INC | $DXCM | Stern Sadie | EVP, Chief HR Officer | S | Common Stock | 426 | $69.15 | 75,451.0000 | 425,500,000 | 0.56% | 0.00% |
| June 10, 2024 | DEXCOM INC | $DXCM | Stern Sadie | EVP Chief HR Officer | S | Common Stock | 427 | $115.05 | 75,877.0000 | 425,500,000 | 0.56% | 0.00% |
| March 25, 2024 | DEXCOM INC | $DXCM | Stern Sadie | EVP Chief Human Resources | S | Common Stock | 4137 | $140.00 | 76,304.0000 | 425,500,000 | 5.14% | 0.00% |
| March 12, 2024 | DEXCOM INC | $DXCM | Stern Sadie | EVP Chief Human Resources | S | Common Stock | 75 | $132.71 | 80,441.0000 | 425,500,000 | 0.09% | 0.00% |
| March 12, 2024 | DEXCOM INC | $DXCM | Stern Sadie | EVP Chief Human Resources | S | Common Stock | 11633 | $134.41 | 89,129.0000 | 425,500,000 | 11.55% | 0.00% |
| March 12, 2024 | DEXCOM INC | $DXCM | Stern Sadie | EVP Chief Human Resources | S | Common Stock | 2437 | $131.50 | 86,692.0000 | 425,500,000 | 2.73% | 0.00% |
| March 12, 2024 | DEXCOM INC | $DXCM | Stern Sadie | EVP Chief Human Resources | S | Common Stock | 2577 | $132.46 | 84,115.0000 | 425,500,000 | 2.97% | 0.00% |
| March 12, 2024 | DEXCOM INC | $DXCM | Stern Sadie | EVP Chief Human Resources | S | Common Stock | 3297 | $133.43 | 80,818.0000 | 425,500,000 | 3.92% | 0.00% |
| March 12, 2024 | DEXCOM INC | $DXCM | Stern Sadie | EVP Chief Human Resources | S | Common Stock | 302 | $131.51 | 80,516.0000 | 425,500,000 | 0.37% | 0.00% |
| March 8, 2024 | DEXCOM INC | $DXCM | Stern Sadie | EVP Chief Human Resources | A | Common Stock | 21711 | $0.00 | 100,762.0000 | 425,500,000 | 27.46% | 0.01% |
| Jan. 16, 2024 | DEXCOM INC | $DXCM | Stern Sadie | EVP Chief Human Resources | S | Common Stock | 2902 | $123.63 | 79,051.0000 | 425,500,000 | 3.54% | 0.00% |
| Jan. 12, 2024 | DEXCOM INC | $DXCM | Stern Sadie | EVP Chief Human Resources | A | Common Stock | 7620 | $0.00 | 81,953.0000 | 425,500,000 | 10.25% | 0.00% |
| June 16, 2023 | Sonendo, Inc. | $SONX | Stern Sadie | Not found | A | Stock Option (Right to Buy) | 32520 | $0.00 | 32,520.0000 | 0 | 9999.99% | 0.00% |
| June 16, 2023 | Sonendo, Inc. | $SONX | Stern Sadie | Not found | A | Common Stock | 25316 | $0.00 | 59,998.0000 | 0 | 72.99% | 0.00% |