Elizabeth Anne Gasser
CIK 1866283 · View on SEC EDGAR ↗
Insider
First SEC filing: June 10, 2021 · Latest: June 4, 2026
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 8 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 15, 2026 | TNDM | M | 1,097 | — | — | 1,097 Direct | — | Acquired | (price as of 2026-08-21) |
| Aug. 15, 2026 | TNDM | F | 589 | $22.72 | $13,382 | 508 Direct | -53.69% | Disposed | -2.1% (price as of 2026-08-21) |
| Aug. 15, 2026 | TNDM | M | 1,917 | — | — | 2,425 Direct | +377.36% | Acquired | (price as of 2026-08-21) |
| Aug. 15, 2026 | TNDM | F | 1,029 | $22.72 | $23,379 | 1,396 Direct | -42.43% | Disposed | -2.1% (price as of 2026-08-21) |
| Aug. 15, 2026 | TNDM | M | 1,097 | — | — | 3,290 Direct | -25.01% | Disposed | (price as of 2026-08-21) |
| Aug. 15, 2026 | TNDM | M | 1,917 | — | — | 13,418 Direct | -12.50% | Disposed | (price as of 2026-08-21) |
| June 2, 2026 | TNDM | G | 7,160 | — | — | 33,109 | — | — | (price as of 2026-08-21) |
| May 29, 2026 | TNDM | A | 29,136 | — | — | — | — | — | (price as of 2026-08-21) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Aug. 15, 2026 | TNDM | Restricted Stock Unit [F3] | Common Stock (1,097) | — | — | 1,097 | Disposed |
| Aug. 15, 2026 | TNDM | Restricted Stock Unit [F6] | Common Stock (1,917) | — | — | 1,917 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 7 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| June 10, 2021 | TNDM | Common Stock | 975 | Direct |
| June 10, 2021 | TNDM | Stock Option [F1]→ Common Stock (38,247) | 38,247 | Direct |
| June 10, 2021 | TNDM | Stock Option [F1]→ Common Stock (13,761) | 13,761 | Direct |
| June 10, 2021 | TNDM | Restricted Stock Unit [F1]→ Common Stock (5,962) | 5,962 | Direct |
| June 10, 2021 | TNDM | Stock Option [F1]→ Common Stock (7,940) | 7,940 | Direct |
| June 10, 2021 | TNDM | Restricted Stock Unit [F1]→ Common Stock (2,599) | 2,599 | Direct |
| June 10, 2021 | TNDM | Performance Stock Unit [F1]→ Common Stock (2,599) | 2,599 | Direct |