Douglas A Roeder
Insider
First SEC filing: March 17, 2016 · Latest: March 17, 2016
Insider at
Insider transactions
4 buys (P)
0 sells (S)
Net: $439,157
Avg return of open purchases vs now: 59.1%
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 19, 2026 | SENS | P | 13,953 | $8.98 | $125,298 | 171,191 Direct | +8.87% | Acquired | 11.2% (price as of 2026-10-05) |
| July 1, 2026 | SENS | A | 2,751 | $5.36 | $14,745 | 157,238 Direct | +1.78% | Acquired | 86.3% (price as of 2026-10-05) |
| May 20, 2026 | SENS | A | 9,852 | · | · | 154,487 Direct | +6.81% | Acquired | (price as of 2026-10-05) |
| May 20, 2026 | SENS | A | 13,574 | · | · | 13,574 Direct | · | Acquired | (price as of 2026-10-05) |
| May 12, 2026 | SENS | P | 22,686 | $5.56 | $126,134 | 144,635 Direct | +18.60% | Acquired | 79.6% (price as of 2026-10-05) |
| April 1, 2026 | SENS | A | 2,218 | $6.65 | $14,750 | 121,949 Direct | +1.85% | Acquired | 50.2% (price as of 2026-10-05) |
| March 13, 2026 | SENS | P | 17,500 | $5.73 | $100,275 | 119,731 Direct | +17.12% | Acquired | 74.3% (price as of 2026-10-05) |
| Jan. 2, 2026 | SENS | A | 2,504 | $5.89 | $14,749 | 102,231 Direct | +2.51% | Acquired | 69.6% (price as of 2026-10-05) |
| Nov. 7, 2025 | SENS | P | 15,000 | $5.83 | $87,450 | 99,727 Direct | +17.70% | Acquired | 71.3% (price as of 2026-10-05) |
| Oct. 1, 2025 | SENS | A | 35,714 | $0.41 | $14,643 | 1,694,540 Direct | +2.15% | Acquired | 21.8% (price as of 2026-10-05) |
| July 1, 2025 | SENS | A | 30,987 | $0.48 | $14,874 | 1,658,826 Direct | +1.90% | Acquired | 4.0% (price as of 2026-10-05) |
| May 23, 2025 | SENS | A | 111,386 | · | · | 1,627,839 Direct | +7.35% | Acquired | (price as of 2026-10-05) |
| May 23, 2025 | SENS | A | 157,234 | · | · | 157,234 Direct | · | Acquired | (price as of 2026-10-05) |
| April 1, 2025 | SENS | A | 22,183 | $0.66 | $14,641 | 1,516,453 Direct | +1.48% | Acquired | -24.3% (price as of 2026-10-05) |
| Jan. 2, 2025 | SENS | A | 31,183 | $0.47 | $14,656 | 1,494,270 Direct | +2.13% | Acquired | 6.2% (price as of 2026-10-05) |
| Dec. 13, 2024 | SENS | P | 75,000 | $0.50 | $37,500 | 1,463,087 Direct | +5.40% | Acquired | -0.1% (price as of 2026-10-05) |
| Dec. 13, 2024 | SENS | P | 25,000 | $0.50 | $12,500 | 1,413,087 Direct | +1.80% | Acquired | -0.1% (price as of 2026-10-05) |
| Dec. 12, 2024 | SENS | P | 300,000 | $0.41 | $123,000 | 1,388,087 Direct | +27.57% | Acquired | 21.8% (price as of 2026-10-05) |
| Oct. 1, 2024 | SENS | A | 43,755 | $0.34 | $14,877 | 1,088,087 Direct | +4.19% | Acquired | 46.9% (price as of 2026-10-05) |
| May 22, 2024 | SENS | A | 236,344 | · | · | 1,044,332 Direct | +29.25% | Acquired | (price as of 2026-10-05) |
| Aug. 30, 2023 | SENS | P | 300,000 | $0.54 | $162,000 | 807,988 Direct | +59.06% | Acquired | -7.5% (price as of 2026-10-05) |
| June 9, 2023 | SENS | A | 200,000 | $0.75 | $150,000 | 507,988 Direct | +64.94% | Acquired | -33.4% (price as of 2026-10-05) |
| May 17, 2023 | SENS | A | 147,948 | · | · | 307,988 Direct | +92.44% | Acquired | (price as of 2026-10-05) |
| May 26, 2022 | SENS | A | 99,557 | · | · | 160,040 Direct | +164.60% | Acquired | (price as of 2026-10-05) |
| May 18, 2022 | TNDM | M | 2,205 | · | · | 2,205 Direct | · | Acquired | (price as of 2026-10-05) |
| May 18, 2022 | TNDM | M | 2,205 | · | · | 0 Direct | · | Acquired | (price as of 2026-10-05) |
| Oct. 15, 2021 | TNDM | J | 3,766 | · | · | 3,766 Indirect | · | Acquired | (price as of 2026-10-05) |
| Oct. 15, 2021 | TNDM | J | 11,568 | · | · | 1,892 Indirect | -85.94% | Disposed | (price as of 2026-10-05) |
| Oct. 15, 2021 | TNDM | J | 11,568 | · | · | 13,460 Indirect | +611.42% | Acquired | (price as of 2026-10-05) |
| Oct. 15, 2021 | TNDM | J | 1,000,000 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 25, 2021 | SENS | M | 86,930 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 25, 2021 | SENS | M | 128,817 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 25, 2021 | SENS | S | 215,747 | $3.50 | $755,114 | 60,483 Direct | -78.10% | Disposed | -85.7% (price as of 2026-10-05) |
| Aug. 25, 2021 | SENS | M | 86,930 | $1.97 | $171,252 | 276,230 Direct | +45.92% | Acquired | -74.7% (price as of 2026-10-05) |
| Aug. 25, 2021 | SENS | M | 128,817 | $1.35 | $173,903 | 189,300 Direct | +212.98% | Acquired | -63.0% (price as of 2026-10-05) |
| Aug. 24, 2021 | SENS | S | 125,342 | $3.65 | $457,498 | 60,483 Direct | -67.45% | Disposed | -86.3% (price as of 2026-10-05) |
| June 23, 2021 | TNDM | J | 1,892 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| June 23, 2021 | TNDM | J | 1,892 | · | · | 992,222 Indirect | +0.19% | Acquired | (price as of 2026-10-05) |
| May 27, 2021 | TNDM | M | 1,892 | · | · | 1,892 Direct | · | Acquired | (price as of 2026-10-05) |
| May 27, 2021 | TNDM | M | 1,892 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 25, 2021 | SENS | A | 60,483 | · | · | 185,825 Direct | +48.25% | Acquired | (price as of 2026-10-05) |
| May 25, 2021 | SENS | S 10b5-1 | 147,735 | $1.91 | $282,174 | 125,342 Direct | -54.10% | Disposed | -73.9% (price as of 2026-10-05) |
| May 19, 2021 | SENS | S | 652 | $2.08 | $1,356 | 0 Indirect | -100.00% | Disposed | -76.0% (price as of 2026-10-05) |
| May 18, 2021 | TNDM | A | 2,205 | · | · | 2,205 Direct | · | Acquired | (price as of 2026-10-05) |
| April 12, 2021 | SENS | S 10b5-1 | 4,906,326 | $2.12 | $10,401,411 | 0 Indirect | -100.00% | Disposed | -76.4% (price as of 2026-10-05) |
| April 12, 2021 | SENS | S 10b5-1 | 47,580 | $2.12 | $100,870 | 652 Indirect | -98.65% | Disposed | -76.4% (price as of 2026-10-05) |
| April 9, 2021 | SENS | S 10b5-1 | 46,989 | $2.39 | $112,304 | 48,232 Indirect | -49.35% | Disposed | -79.1% (price as of 2026-10-05) |
| April 9, 2021 | SENS | S 10b5-1 | 4,845,399 | $2.39 | $11,580,504 | 4,845,399 Indirect | -50.00% | Disposed | -79.1% (price as of 2026-10-05) |
| July 20, 2020 | SENS | A | 273,077 | · | · | 273,077 Direct | · | Acquired | (price as of 2026-10-05) |
| July 20, 2020 | SENS | A | 273,077 | · | · | 273,077 Direct | · | Acquired | (price as of 2026-10-05) |
| May 27, 2020 | TNDM | A | 1,892 | · | · | 1,892 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 28, 2019 | TNDM | S 10b5-1 | 162 | $71.00 | $11,502 | 9,670 Indirect | -1.65% | Disposed | -76.5% (price as of 2026-10-05) |
| Aug. 28, 2019 | TNDM | S 10b5-1 | 16,594 | $71.00 | $1,178,174 | 990,330 Indirect | -1.65% | Disposed | -76.5% (price as of 2026-10-05) |
| Aug. 28, 2019 | TNDM | S 10b5-1 | 1,628 | $70.42 | $114,644 | 9,832 Indirect | -14.21% | Disposed | -76.4% (price as of 2026-10-05) |
| Aug. 28, 2019 | TNDM | S 10b5-1 | 166,704 | $70.42 | $11,739,296 | 1,006,924 Indirect | -14.20% | Disposed | -76.4% (price as of 2026-10-05) |
| Aug. 27, 2019 | TNDM | S 10b5-1 | 1,191 | $70.10 | $83,489 | 11,460 Indirect | -9.41% | Disposed | -76.2% (price as of 2026-10-05) |
| Aug. 27, 2019 | TNDM | S 10b5-1 | 122,018 | $70.10 | $8,553,462 | 1,173,628 Indirect | -9.42% | Disposed | -76.2% (price as of 2026-10-05) |
| Aug. 2, 2019 | TNDM | S 10b5-1 | 92 | $70.01 | $6,441 | 12,651 Indirect | -0.72% | Disposed | -76.2% (price as of 2026-10-05) |
| Aug. 2, 2019 | TNDM | S 10b5-1 | 9,379 | $70.01 | $656,624 | 1,295,646 Indirect | -0.72% | Disposed | -76.2% (price as of 2026-10-05) |
| July 11, 2019 | TNDM | S 10b5-1 | 129 | $70.08 | $9,040 | 12,743 Indirect | -1.00% | Disposed | -76.2% (price as of 2026-10-05) |
| July 11, 2019 | TNDM | S 10b5-1 | 13,218 | $70.08 | $926,317 | 1,305,025 Indirect | -1.00% | Disposed | -76.2% (price as of 2026-10-05) |
| June 18, 2019 | TNDM | A | 3,732 | · | · | 3,732 Direct | · | Acquired | (price as of 2026-10-05) |
| June 13, 2019 | TNDM | S 10b5-1 | 345 | $70.07 | $24,174 | 12,872 Indirect | -2.61% | Disposed | -76.2% (price as of 2026-10-05) |
| June 13, 2019 | TNDM | S 10b5-1 | 35,343 | $70.07 | $2,476,484 | 1,318,243 Indirect | -2.61% | Disposed | -76.2% (price as of 2026-10-05) |
| May 30, 2019 | SENS | A | 86,930 | · | · | 86,930 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 15, 2018 | TNDM | A | 25,000 | · | · | 25,000 Direct | · | Acquired | (price as of 2026-10-05) |
| June 15, 2018 | SENS | S 10b5-1 | 5,910 | $4.05 | $23,936 | 95,221 Indirect | -5.84% | Disposed | -87.7% (price as of 2026-10-05) |
| June 15, 2018 | SENS | S 10b5-1 | 605,355 | $4.05 | $2,451,688 | 9,751,725 Indirect | -5.84% | Disposed | -87.7% (price as of 2026-10-05) |
| June 14, 2018 | SENS | S 10b5-1 | 1,501 | $3.96 | $5,944 | 101,131 Indirect | -1.46% | Disposed | -87.4% (price as of 2026-10-05) |
| June 14, 2018 | SENS | S 10b5-1 | 153,723 | $3.96 | $608,743 | 10,357,080 Indirect | -1.46% | Disposed | -87.4% (price as of 2026-10-05) |
| June 13, 2018 | SENS | S 10b5-1 | 2,068 | $3.96 | $8,189 | 102,632 Indirect | -1.98% | Disposed | -87.4% (price as of 2026-10-05) |
| June 13, 2018 | SENS | S 10b5-1 | 211,832 | $3.96 | $838,855 | 10,510,803 Indirect | -1.98% | Disposed | -87.4% (price as of 2026-10-05) |
| June 12, 2018 | SENS | S 10b5-1 | 2,536 | $3.91 | $9,916 | 104,700 Indirect | -2.36% | Disposed | -87.2% (price as of 2026-10-05) |
| June 12, 2018 | SENS | S 10b5-1 | 259,690 | $3.91 | $1,015,388 | 10,722,635 Indirect | -2.36% | Disposed | -87.2% (price as of 2026-10-05) |
| June 11, 2018 | SENS | S 10b5-1 | 2,489 | $3.84 | $9,558 | 107,236 Indirect | -2.27% | Disposed | -87.0% (price as of 2026-10-05) |
| June 11, 2018 | SENS | S 10b5-1 | 254,896 | $3.84 | $978,801 | 10,982,325 Indirect | -2.27% | Disposed | -87.0% (price as of 2026-10-05) |
| May 30, 2018 | SENS | A | 50,847 | · | · | 50,847 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 9, 2018 | TNDM | P | 9,670 | $2.00 | $19,340 | 13,217 Indirect | +272.62% | Acquired | 732.5% (price as of 2026-10-05) |
| Feb. 9, 2018 | TNDM | P | 990,330 | $2.00 | $1,980,660 | 1,353,586 Indirect | +272.63% | Acquired | 732.5% (price as of 2026-10-05) |
| Dec. 1, 2017 | TNDM | A | 5,300 | · | · | 5,300 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 15, 2017 | TNDM | A | 1,700 | · | · | 1,700 Direct | · | Acquired | (price as of 2026-10-05) |
| May 24, 2017 | SENS | A | 128,817 | · | · | 128,817 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 15, 2016 | TNDM | A | 17,000 | · | · | 17,000 Direct | · | Acquired | (price as of 2026-10-05) |
| May 24, 2016 | SENS | A | 54,629 | · | · | 54,629 Direct | · | Acquired | (price as of 2026-10-05) |
| March 23, 2016 | SENS | P | 11,875 | $2.85 | $33,844 | 109,725 Indirect | +12.14% | Acquired | -82.5% (price as of 2026-10-05) |
| March 23, 2016 | SENS | P | 1,216,195 | $2.85 | $3,466,156 | 11,237,221 Indirect | +12.14% | Acquired | -82.5% (price as of 2026-10-05) |
| Nov. 16, 2015 | TNDM | A | 17,000 | · | · | 17,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 17, 2014 | TNDM | A | 17,000 | · | · | 17,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 19, 2013 | TNDM | C | 48,558 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-05) |
| Nov. 19, 2013 | TNDM | C | 4,973,160 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-05) |
| Nov. 19, 2013 | TNDM | C | 10,871 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-05) |
| Nov. 19, 2013 | TNDM | C | 1,113,545 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-05) |
| Nov. 19, 2013 | TNDM | C | 35,467 | · | · | 35,467 Indirect | · | Acquired | (price as of 2026-10-05) |
| Nov. 19, 2013 | TNDM | C | 3,632,552 | · | · | 3,632,552 Indirect | · | Acquired | (price as of 2026-10-05) |
| Nov. 13, 2013 | TNDM | A | 17,000 | · | · | 17,000 Direct | · | Acquired | (price as of 2026-10-05) |
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 | $5.71 | May 19, 2036 | 13,574 | Acquired |
| May 23, 2025 | SENS | Stock Option (right to buy) | Common Stock | $0.51 | May 22, 2035 | 157,234 | Acquired |
| May 18, 2022 | TNDM | Restricted Stock Unit [F3] | Common Stock | · | · | 2,205 | Acquired |
| Aug. 25, 2021 | SENS | Stock Option (right to buy) | Common Stock | $1.97 | May 29, 2029 | 86,930 | Disposed |
| Aug. 25, 2021 | SENS | Stock Option (right to buy) | Common Stock | $1.35 | May 23, 2027 | 128,817 | Disposed |
| May 27, 2021 | TNDM | Restricted Stock Unit [F3] | Common Stock | · | · | 1,892 | Disposed |
| May 18, 2021 | TNDM | Restricted Stock Unit [F1] | Common Stock | · | · | 2,205 | Acquired |
| May 27, 2020 | TNDM | Restricted Stock Unit [F1] | Common Stock | · | · | 1,892 | Acquired |
| June 18, 2019 | TNDM | Stock Option [F1] | Common Stock | $64.66 | · | 3,732 | Acquired |
| May 30, 2019 | SENS | Stock Option (right to buy) | Common Stock | · | May 29, 2029 | 86,930 | Acquired |
| Nov. 15, 2018 | TNDM | Stock Option [F1] | Common Stock | $33.12 | · | 25,000 | Acquired |
| May 30, 2018 | SENS | Stock Option (right to buy) | Common Stock | · | May 29, 2028 | 50,847 | Acquired |
| Dec. 1, 2017 | TNDM | Stock Option [F1] | Common Stock | $2.59 | · | 5,300 | Acquired |
| Nov. 15, 2017 | TNDM | Stock Options [F1] | Common Stock | $2.54 | · | 1,700 | Acquired |
| May 24, 2017 | SENS | Stock Option (right to buy) | Common Stock | · | May 23, 2027 | 128,817 | Acquired |
| Nov. 15, 2016 | TNDM | Stock Options [F1] | Common Stock | $1.90 | · | 17,000 | Acquired |
| May 24, 2016 | SENS | Stock Option (right to buy) | Common Stock | · | May 23, 2026 | 54,629 | Acquired |
| Nov. 16, 2015 | TNDM | Stock Options [F1] | Common Stock | $10.13 | · | 17,000 | Acquired |
| Nov. 17, 2014 | TNDM | Stock Options [F1] | Common Stock | $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 | $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 | 664,565 | Indirect |
| Nov. 13, 2013 | TNDM | Series C Preferred Stock | 6,488 | Indirect |
| Nov. 13, 2013 | TNDM | Series D Preferred Stock | 2,967,987 | Indirect |
| Nov. 13, 2013 | TNDM | Series D Preferred Stock | 28,979 | Indirect |