John M Siebert
Insider
First SEC filing: April 30, 2012 · Latest: April 30, 2012
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 23, 2024 | SUPN | D | 3,886 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Feb. 23, 2024 | SUPN | A | 3,886 | · | · | 87,943 Direct | +4.62% | Acquired | (price as of 2026-10-05) |
| Feb. 22, 2024 | SUPN | A | 5,369 | · | · | 5,369 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 22, 2024 | SUPN | A | 8,252 | · | · | 8,252 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 23, 2023 | SUPN | A | 3,886 | · | · | 3,886 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 23, 2023 | SUPN | A | 6,293 | · | · | 6,293 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 22, 2023 | SUPN | D | 3,882 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Feb. 22, 2023 | SUPN | A | 3,882 | · | · | 84,057 Direct | +4.84% | Acquired | (price as of 2026-10-05) |
| Feb. 22, 2022 | SUPN | A | 3,882 | · | · | 3,882 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 22, 2022 | SUPN | A | 6,847 | · | · | 6,847 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 19, 2022 | SUPN | D | 4,222 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Feb. 19, 2022 | SUPN | A | 4,222 | · | · | 80,175 Direct | +5.56% | Acquired | (price as of 2026-10-05) |
| Aug. 11, 2021 | SUPN | M | 15,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 11, 2021 | SUPN | M | 15,000 | $12.98 | $194,700 | 75,953 Direct | +24.61% | Acquired | 229.4% (price as of 2026-10-05) |
| Feb. 19, 2021 | SUPN | A | 4,222 | · | · | 4,222 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 19, 2021 | SUPN | A | 7,365 | · | · | 7,365 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 21, 2020 | SUPN | A | 5,211 | $23.99 | $125,012 | 60,953 Direct | +9.35% | Acquired | 78.2% (price as of 2026-10-05) |
| Feb. 21, 2020 | SUPN | A | 9,305 | · | · | 9,305 Direct | · | Acquired | (price as of 2026-10-05) |
| June 20, 2019 | SUPN | M | 10,000 | $9.13 | $91,300 | 55,742 Direct | +21.86% | Acquired | 368.3% (price as of 2026-10-05) |
| June 20, 2019 | SUPN | M | 10,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| April 25, 2019 | SUPN | M | 10,000 | · | · | 10,000 Direct | -50.00% | Disposed | (price as of 2026-10-05) |
| April 25, 2019 | SUPN | M | 10,000 | $9.13 | $91,300 | 45,742 Direct | +27.98% | Acquired | 368.3% (price as of 2026-10-05) |
| Feb. 22, 2019 | SUPN | A | 12,427 | · | · | 12,427 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 22, 2019 | SUPN | A | 12,427 | · | · | 12,427 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 20, 2018 | SUPN | M | 7,457 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 20, 2018 | SUPN | M | 8,722 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 20, 2018 | SUPN | M | 7,457 | $9.24 | $68,903 | 35,742 Direct | +26.36% | Acquired | 362.8% (price as of 2026-10-05) |
| Aug. 20, 2018 | SUPN | M | 8,722 | $7.90 | $68,904 | 28,285 Direct | +44.58% | Acquired | 441.3% (price as of 2026-10-05) |
| Feb. 23, 2018 | SUPN | A | 8,613 | · | · | 8,613 Direct | · | Acquired | (price as of 2026-10-05) |
| June 13, 2017 | SUPN | A | 6,036 | · | · | 6,036 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 24, 2017 | SUPN | A | 7,905 | · | · | 7,905 Direct | · | Acquired | (price as of 2026-10-05) |
| March 1, 2016 | SUPN | A | 15,000 | · | · | 15,000 Direct | · | Acquired | (price as of 2026-10-05) |
| March 3, 2015 | SUPN | A | 20,000 | · | · | 20,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Dec. 16, 2014 | SUPN | M | 2,188 | $4.24 | $9,277 | 19,563 Direct | +12.59% | Acquired | 908.5% (price as of 2026-10-05) |
| Dec. 16, 2014 | SUPN | M | 2,188 | · | · | 2,187 Direct | -50.01% | Disposed | (price as of 2026-10-05) |
| Jan. 21, 2014 | SUPN | A | 7,457 | · | · | 7,457 Direct | · | Acquired | (price as of 2026-10-05) |
| Dec. 12, 2013 | SUPN | M | 2,187 | · | · | 4,375 Direct | -33.33% | Disposed | (price as of 2026-10-05) |
| Dec. 12, 2013 | SUPN | M | 2,187 | $4.24 | $9,273 | 17,375 Direct | +14.40% | Acquired | 908.5% (price as of 2026-10-05) |
| March 21, 2013 | SUPN | P | 3,000 | $5.50 | $16,500 | 15,188 Direct | +24.61% | Acquired | 677.5% (price as of 2026-10-05) |
| Feb. 5, 2013 | SUPN | A | 8,722 | · | · | 8,722 Direct | · | Acquired | (price as of 2026-10-05) |
| Dec. 14, 2012 | SUPN | M | 2,188 | · | · | 6,562 Direct | -25.01% | Disposed | (price as of 2026-10-05) |
| Dec. 14, 2012 | SUPN | M | 2,188 | $4.24 | $9,277 | 12,188 Direct | +21.88% | Acquired | 908.5% (price as of 2026-10-05) |
| Dec. 4, 2012 | SUPN | P | 7,000 | $8.14 | $56,980 | 10,000 Direct | +233.33% | Acquired | 425.3% (price as of 2026-10-05) |
| May 4, 2012 | SUPN | P | 3,000 | $5.00 | $15,000 | 3,000 Direct | · | Acquired | 755.2% (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 |
|---|---|---|---|---|---|---|---|
| Feb. 23, 2024 | SUPN | Restricted Stock Unit | Common Stock | · | · | 3,886 | Disposed |
| Feb. 22, 2024 | SUPN | Restricted Stock Units | Common Stock | · | · | 5,369 | Acquired |
| Feb. 22, 2024 | SUPN | Director Stock Option (Right to Buy) | Common Stock | $27.94 | Feb. 22, 2034 | 8,252 | Acquired |
| Feb. 23, 2023 | SUPN | Restricted Stock Units | Common Stock | · | · | 3,886 | Acquired |
| Feb. 23, 2023 | SUPN | Director Stock Option (Right to Buy) | Common Stock | $38.60 | Feb. 23, 2033 | 6,293 | Acquired |
| Feb. 22, 2023 | SUPN | Restricted Stock Units | Common Stock | · | · | 3,882 | Disposed |
| Feb. 22, 2022 | SUPN | Restricted Stock Units | Common Stock | · | · | 3,882 | Acquired |
| Feb. 22, 2022 | SUPN | Director Stock Option (Right to Buy) | Common Stock | $32.20 | Feb. 22, 2032 | 6,847 | Acquired |
| Feb. 19, 2022 | SUPN | Restricted Stock Units | Common Stock | · | · | 4,222 | Disposed |
| Aug. 11, 2021 | SUPN | Director Stock Option (Right to Buy) | Common Stock | $12.98 | March 1, 2026 | 15,000 | Disposed |
| Feb. 19, 2021 | SUPN | Restricted Stock Units | Common Stock | · | · | 4,222 | Acquired |
| Feb. 19, 2021 | SUPN | Director Stock Option (Right to Buy) | Common Stock | $29.61 | Feb. 19, 2031 | 7,365 | Acquired |
| Feb. 21, 2020 | SUPN | Director Stock Option (Right to Buy) | Common Stock | $23.99 | Feb. 21, 2030 | 9,305 | Acquired |
| June 20, 2019 | SUPN | Director Stock Option (Right to Buy) | Common Stock | $9.13 | March 3, 2025 | 10,000 | Disposed |
| April 25, 2019 | SUPN | Director Stock Option (Right to Buy) | Common Stock | $9.13 | March 3, 2025 | 10,000 | Disposed |
| Feb. 22, 2019 | SUPN | Director Stock Option (Right to Buy) | Common Stock | $36.75 | Feb. 22, 2029 | 12,427 | Acquired |
| Feb. 22, 2019 | SUPN | Director Stock Option (Right to Buy) | Common Stock | $36.75 | Feb. 22, 2029 | 12,427 | Acquired |
| Aug. 20, 2018 | SUPN | Director Stock Option (Right to Buy) | Common Stock | $9.24 | Jan. 21, 2024 | 7,457 | Disposed |
| Aug. 20, 2018 | SUPN | Director Stock Option (Right to Buy) | Common Stock | $7.90 | Feb. 5, 2023 | 8,722 | Disposed |
| Feb. 23, 2018 | SUPN | Director Stock Option (Right to Buy) | Common Stock | $39.40 | Feb. 23, 2028 | 8,613 | Acquired |
| June 13, 2017 | SUPN | Director Stock Option (Right to Buy) | Common Stock | $38.60 | June 13, 2027 | 6,036 | Acquired |
| Feb. 24, 2017 | SUPN | Director Stock Option (Right to Buy) | Common Stock | $25.30 | Feb. 24, 2027 | 7,905 | Acquired |
| March 1, 2016 | SUPN | Director Stock Option (Right to Buy) | Common Stock | $12.98 | March 1, 2026 | 15,000 | Acquired |
| March 3, 2015 | SUPN | Director Stock Option (Right to Buy) | Common Stock | $9.13 | March 3, 2025 | 20,000 | Acquired |
| Dec. 16, 2014 | SUPN | Director Stock Option (Right to Buy) | Common Stock | $4.24 | Oct. 14, 2021 | 2,188 | Disposed |
| Jan. 21, 2014 | SUPN | Director Stock Option (Right to Buy) | Common Stock | $9.24 | Jan. 21, 2024 | 7,457 | Acquired |
| Dec. 12, 2013 | SUPN | Director Stock Option (Right to Buy) | Common Stock | $4.24 | Oct. 14, 2021 | 2,187 | Disposed |
| Feb. 5, 2013 | SUPN | Director Stock Option (Right to Buy) | Common Stock | $7.90 | Feb. 5, 2023 | 8,722 | Acquired |
| Dec. 14, 2012 | SUPN | Stock Option (right to buy) | Common Stock | $4.24 | Oct. 14, 2021 | 2,188 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| April 30, 2012 | SUPN | Stock Option (right to buy) | 8,750 | Direct |