Morrison Susan (CIK 1582970) reported 32 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-08-18). Recent activity: Buy TNDM (1,097 shares), Sell TNDM (314 shares), Buy TNDM (1,730 shares), Sell TNDM (495 shares), Buy TNDM (1,503 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-18 | TANDEM DIABETES CARE INC (TNDM) | EVP & Chief Admin. Officer | Buy | 1,097 | $0 |
| 2026-08-18 | TANDEM DIABETES CARE INC (TNDM) | EVP & Chief Admin. Officer | Sell | 314 | $7,134 |
| 2026-08-18 | TANDEM DIABETES CARE INC (TNDM) | EVP & Chief Admin. Officer | Buy | 1,730 | $0 |
| 2026-08-18 | TANDEM DIABETES CARE INC (TNDM) | EVP & Chief Admin. Officer | Sell | 495 | $11,246 |
| 2026-05-19 | TANDEM DIABETES CARE INC (TNDM) | EVP & Chief Admin. Officer | Buy | 1,503 | $0 |
| 2026-05-19 | TANDEM DIABETES CARE INC (TNDM) | EVP & Chief Admin. Officer | Sell | 430 | $5,513 |
| 2026-05-19 | TANDEM DIABETES CARE INC (TNDM) | EVP & Chief Admin. Officer | Buy | 1,097 | $0 |
| 2026-05-19 | TANDEM DIABETES CARE INC (TNDM) | EVP & Chief Admin. Officer | Sell | 314 | $4,025 |
| 2026-05-19 | TANDEM DIABETES CARE INC (TNDM) | EVP & Chief Admin. Officer | Buy | 6,923 | $0 |
| 2026-05-19 | TANDEM DIABETES CARE INC (TNDM) | EVP & Chief Admin. Officer | Sell | 1,980 | $25,384 |
| 2026-05-19 | TANDEM DIABETES CARE INC (TNDM) | EVP & Chief Admin. Officer | Buy | 1,336 | $14,562 |
| 2026-02-19 | TANDEM DIABETES CARE INC (TNDM) | EVP & Chief Admin. Officer | Sell | 510 | $9,664 |
| 2026-02-19 | TANDEM DIABETES CARE INC (TNDM) | EVP & Chief Admin. Officer | Buy | 1,503 | $0 |
| 2026-02-19 | TANDEM DIABETES CARE INC (TNDM) | EVP & Chief Admin. Officer | Buy | 1,097 | $0 |
| 2026-02-19 | TANDEM DIABETES CARE INC (TNDM) | EVP & Chief Admin. Officer | Sell | 372 | $7,049 |
| 2025-11-19 | TANDEM DIABETES CARE INC (TNDM) | EVP & Chief Admin. Officer | Buy | 1,503 | $0 |
| 2025-11-19 | TANDEM DIABETES CARE INC (TNDM) | EVP & Chief Admin. Officer | Sell | 430 | $8,002 |
| 2025-11-19 | TANDEM DIABETES CARE INC (TNDM) | EVP & Chief Admin. Officer | Buy | 1,096 | $0 |
| 2025-11-19 | TANDEM DIABETES CARE INC (TNDM) | EVP & Chief Admin. Officer | Sell | 314 | $5,844 |
| 2025-08-19 | TANDEM DIABETES CARE INC (TNDM) | EVP & Chief Admin. Officer | Buy | 1,503 | $0 |
| 2025-08-19 | TANDEM DIABETES CARE INC (TNDM) | EVP & Chief Admin. Officer | Sell | 430 | $4,653 |
| 2025-08-19 | TANDEM DIABETES CARE INC (TNDM) | EVP & Chief Admin. Officer | Buy | 1,097 | $0 |
| 2025-08-19 | TANDEM DIABETES CARE INC (TNDM) | EVP & Chief Admin. Officer | Sell | 314 | $3,397 |
| 2025-05-19 | TANDEM DIABETES CARE INC (TNDM) | EVP & Chief Admin. Officer | Buy | 1,359 | $21,255 |
| 2025-05-19 | TANDEM DIABETES CARE INC (TNDM) | EVP & Chief Admin. Officer | Buy | 162 | $0 |
Source: SEC Form 4 filings · as of 2026-08-18