Richard Alexander Collins
CIK 1700619 · View on SEC EDGAR ↗
Insider
First SEC filing: March 16, 2017 · Latest: June 1, 2026
On this page
Insider at
Insider transactions
0 buys (P)
2 sells (S)
Net:
$-389,410
+ 28 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
28 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Nov. 14, 2025 | DXCM | S 10b5-1 | 2,906 | $59.05 | $171,599 | 35,088 Indirect | -7.65% | Disposed | 51.5% (price as of 2026-08-21) |
| Nov. 10, 2025 | DXCM | S 10b5-1 | 3,948 | $55.17 | $217,811 | 37,994 Indirect | -9.41% | Disposed | 62.1% (price as of 2026-08-21) |
| Nov. 3, 2021 | DXCM | S | 1,500 | $647.05 | $970,575 | 7,204 Indirect | -17.23% | Disposed | -44.7% (price as of 2026-08-21) |
| Feb. 18, 2020 | DXCM | S 10b5-1 | 4,000 | $284.40 | $1,137,600 | 5,304 Indirect | -42.99% | Disposed | 25.8% (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.
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| March 16, 2017 | DXCM | Common Stock | 500 | Direct |