Douglas A Roeder
CIK 1270735 · View on SEC EDGAR ↗
Insider
First SEC filing: March 17, 2016 · Latest: March 17, 2016
On this page
Insider at
Insider transactions
3 buys (P)
0 sells (S)
Net:
$313,859
+ 39 non-open-market transactions below
Avg return of open purchases vs now:
58.1%
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
39 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 12, 2026 | SENS | P | 22,686 | $5.56 | $126,134 | 144,635 Direct | +18.60% | Acquired | 62.2% (price as of 2026-08-20) |
| March 13, 2026 | SENS | P | 17,500 | $5.73 | $100,275 | 119,731 Direct | +17.12% | Acquired | 57.4% (price as of 2026-08-20) |
| Nov. 7, 2025 | SENS | P | 15,000 | $5.83 | $87,450 | 99,727 Direct | +17.70% | Acquired | 54.7% (price as of 2026-08-20) |
| Aug. 30, 2023 | SENS | P | 300,000 | $0.54 | $162,000 | 807,988 Direct | +59.06% | Acquired | -16.5% (price as of 2026-08-20) |
| Aug. 25, 2021 | SENS | S | 215,747 | $3.50 | $755,114 | 60,483 Direct | -78.10% | Disposed | -87.1% (price as of 2026-08-20) |
| Aug. 24, 2021 | SENS | S | 125,342 | $3.65 | $457,498 | 60,483 Direct | -67.45% | Disposed | -87.6% (price as of 2026-08-20) |
| May 25, 2021 | SENS | S 10b5-1 | 147,735 | $1.91 | $282,174 | 125,342 Direct | -54.10% | Disposed | -76.4% (price as of 2026-08-20) |
| May 19, 2021 | SENS | S | 652 | $2.08 | $1,356 | 0 Indirect | -100.00% | Disposed | -78.3% (price as of 2026-08-20) |
| April 12, 2021 | SENS | S 10b5-1 | 4,906,326 | $2.12 | $10,401,411 | 0 Indirect | -100.00% | Disposed | -78.7% (price as of 2026-08-20) |
| April 12, 2021 | SENS | S 10b5-1 | 47,580 | $2.12 | $100,870 | 652 Indirect | -98.65% | Disposed | -78.7% (price as of 2026-08-20) |
| April 9, 2021 | SENS | S 10b5-1 | 46,989 | $2.39 | $112,304 | 48,232 Indirect | -49.35% | Disposed | -81.1% (price as of 2026-08-20) |
| April 9, 2021 | SENS | S 10b5-1 | 4,845,399 | $2.39 | $11,580,504 | 4,845,399 Indirect | -50.00% | Disposed | -81.1% (price as of 2026-08-20) |
| Aug. 28, 2019 | TNDM | S 10b5-1 | 162 | $71.00 | $11,502 | 9,670 Indirect | -1.65% | Disposed | -67.1% (price as of 2026-08-20) |
| Aug. 28, 2019 | TNDM | S 10b5-1 | 16,594 | $71.00 | $1,178,174 | 990,330 Indirect | -1.65% | Disposed | -67.1% (price as of 2026-08-20) |
| Aug. 28, 2019 | TNDM | S 10b5-1 | 1,628 | $70.42 | $114,644 | 9,832 Indirect | -14.21% | Disposed | -66.8% (price as of 2026-08-20) |
| Aug. 28, 2019 | TNDM | S 10b5-1 | 166,704 | $70.42 | $11,739,296 | 1,006,924 Indirect | -14.20% | Disposed | -66.8% (price as of 2026-08-20) |
| Aug. 27, 2019 | TNDM | S 10b5-1 | 1,191 | $70.10 | $83,489 | 11,460 Indirect | -9.41% | Disposed | -66.7% (price as of 2026-08-20) |
| Aug. 27, 2019 | TNDM | S 10b5-1 | 122,018 | $70.10 | $8,553,462 | 1,173,628 Indirect | -9.42% | Disposed | -66.7% (price as of 2026-08-20) |
| Aug. 2, 2019 | TNDM | S 10b5-1 | 92 | $70.01 | $6,441 | 12,651 Indirect | -0.72% | Disposed | -66.6% (price as of 2026-08-20) |
| Aug. 2, 2019 | TNDM | S 10b5-1 | 9,379 | $70.01 | $656,624 | 1,295,646 Indirect | -0.72% | Disposed | -66.6% (price as of 2026-08-20) |
| July 11, 2019 | TNDM | S 10b5-1 | 129 | $70.08 | $9,040 | 12,743 Indirect | -1.00% | Disposed | -66.7% (price as of 2026-08-20) |
| July 11, 2019 | TNDM | S 10b5-1 | 13,218 | $70.08 | $926,317 | 1,305,025 Indirect | -1.00% | Disposed | -66.7% (price as of 2026-08-20) |
| June 13, 2019 | TNDM | S 10b5-1 | 345 | $70.07 | $24,174 | 12,872 Indirect | -2.61% | Disposed | -66.7% (price as of 2026-08-20) |
| June 13, 2019 | TNDM | S 10b5-1 | 35,343 | $70.07 | $2,476,484 | 1,318,243 Indirect | -2.61% | Disposed | -66.7% (price as of 2026-08-20) |
| June 15, 2018 | SENS | S 10b5-1 | 5,910 | $4.05 | $23,936 | 95,221 Indirect | -5.84% | Disposed | -88.9% (price as of 2026-08-20) |
| June 15, 2018 | SENS | S 10b5-1 | 605,355 | $4.05 | $2,451,688 | 9,751,725 Indirect | -5.84% | Disposed | -88.9% (price as of 2026-08-20) |
| June 14, 2018 | SENS | S 10b5-1 | 1,501 | $3.96 | $5,944 | 101,131 Indirect | -1.46% | Disposed | -88.6% (price as of 2026-08-20) |
| June 14, 2018 | SENS | S 10b5-1 | 153,723 | $3.96 | $608,743 | 10,357,080 Indirect | -1.46% | Disposed | -88.6% (price as of 2026-08-20) |
| June 13, 2018 | SENS | S 10b5-1 | 2,068 | $3.96 | $8,189 | 102,632 Indirect | -1.98% | Disposed | -88.6% (price as of 2026-08-20) |
| June 13, 2018 | SENS | S 10b5-1 | 211,832 | $3.96 | $838,855 | 10,510,803 Indirect | -1.98% | Disposed | -88.6% (price as of 2026-08-20) |
| June 12, 2018 | SENS | S 10b5-1 | 2,536 | $3.91 | $9,916 | 104,700 Indirect | -2.36% | Disposed | -88.5% (price as of 2026-08-20) |
| June 12, 2018 | SENS | S 10b5-1 | 259,690 | $3.91 | $1,015,388 | 10,722,635 Indirect | -2.36% | Disposed | -88.5% (price as of 2026-08-20) |
| June 11, 2018 | SENS | S 10b5-1 | 2,489 | $3.84 | $9,558 | 107,236 Indirect | -2.27% | Disposed | -88.3% (price as of 2026-08-20) |
| June 11, 2018 | SENS | S 10b5-1 | 254,896 | $3.84 | $978,801 | 10,982,325 Indirect | -2.27% | Disposed | -88.3% (price as of 2026-08-20) |
| Feb. 9, 2018 | TNDM | P | 9,670 | $2.00 | $19,340 | 13,217 Indirect | +272.62% | Acquired | 1068.0% (price as of 2026-08-20) |
| Feb. 9, 2018 | TNDM | P | 990,330 | $2.00 | $1,980,660 | 1,353,586 Indirect | +272.63% | Acquired | 1068.0% (price as of 2026-08-20) |
| March 23, 2016 | SENS | P | 11,875 | $2.85 | $33,844 | 109,725 Indirect | +12.14% | Acquired | -84.2% (price as of 2026-08-20) |
| March 23, 2016 | SENS | P | 1,216,195 | $2.85 | $3,466,156 | 11,237,221 Indirect | +12.14% | Acquired | -84.2% (price as of 2026-08-20) |
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 |
|---|---|---|---|---|---|---|---|
| May 20, 2026 | SENS | Stock Option (right to buy) | Common Stock (13,574) | $5.71 | May 19, 2036 | 13,574 | Acquired |
| Aug. 25, 2021 | SENS | Stock Option (right to buy) | Common Stock (86,930) | $1.97 | May 29, 2029 | 86,930 | Disposed |
| Aug. 25, 2021 | SENS | Stock Option (right to buy) | Common Stock (128,817) | $1.35 | May 23, 2027 | 128,817 | Disposed |
| June 18, 2019 | TNDM | Stock Option [F1] | Common Stock (3,732) | $64.66 | — | 3,732 | Acquired |
| May 30, 2019 | SENS | Stock Option (right to buy) | Common Stock (86,930) | — | May 29, 2029 | 86,930 | Acquired |
| Nov. 15, 2018 | TNDM | Stock Option [F1] | Common Stock (25,000) | $33.12 | — | 25,000 | Acquired |
| May 30, 2018 | SENS | Stock Option (right to buy) | Common Stock (50,847) | — | May 29, 2028 | 50,847 | Acquired |
| Dec. 1, 2017 | TNDM | Stock Option [F1] | Common Stock (5,300) | $2.59 | — | 5,300 | Acquired |
| Nov. 15, 2017 | TNDM | Stock Options [F1] | Common Stock (1,700) | $2.54 | — | 1,700 | Acquired |
| May 24, 2017 | SENS | Stock Option (right to buy) | Common Stock (128,817) | — | May 23, 2027 | 128,817 | Acquired |
| Nov. 15, 2016 | TNDM | Stock Options [F1] | Common Stock (17,000) | $1.90 | — | 17,000 | Acquired |
| May 24, 2016 | SENS | Stock Option (right to buy) | Common Stock (54,629) | — | May 23, 2026 | 54,629 | Acquired |
| Nov. 16, 2015 | TNDM | Stock Options [F1] | Common Stock (17,000) | $10.13 | — | 17,000 | Acquired |
| Nov. 17, 2014 | TNDM | Stock Options [F1] | Common Stock (17,000) | $14.53 | — | 17,000 | Acquired |
| Nov. 19, 2013 | TNDM | Series D Preferred Stock | Common Stock | — | — | 48,558 | Disposed |
| Nov. 19, 2013 | TNDM | Series D Preferred Stock | Common Stock | — | — | 4,973,160 | Disposed |
| Nov. 19, 2013 | TNDM | Series C Preferred Stock | Common Stock | — | — | 10,871 | Disposed |
| Nov. 19, 2013 | TNDM | Series C Preferred Stock | Common Stock | — | — | 1,113,545 | Disposed |
| Nov. 13, 2013 | TNDM | Stock Option [F1] | Common Stock (17,000) | $15.00 | — | 17,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 6 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| March 17, 2016 | SENS | Common Stock | 10,021,026 | Indirect |
| March 17, 2016 | SENS | Common Stock | 97,850 | Indirect |
| Nov. 13, 2013 | TNDM | Series C Preferred Stock→ Common Stock (664,565) | 664,565 | Indirect |
| Nov. 13, 2013 | TNDM | Series C Preferred Stock→ Common Stock (6,488) | 6,488 | Indirect |
| Nov. 13, 2013 | TNDM | Series D Preferred Stock→ Common Stock (2,967,987) | 2,967,987 | Indirect |
| Nov. 13, 2013 | TNDM | Series D Preferred Stock→ Common Stock (28,979) | 28,979 | Indirect |