Scott R. Tobin
Activist
First SEC filing: Oct. 1, 2025 · Latest: Oct. 1, 2025
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 |
|---|---|---|---|---|---|---|---|---|---|
| June 12, 2026 | KDKRW | A | 31,758 | · | · | 31,758 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 5, 2025 | CSBR | A | 25,460 | $6.80 | $173,128 | 25,460 Direct | · | Acquired | -26.9% (price as of 2026-10-05) |
| Sept. 24, 2025 | KDKRW | A | 215,770 | · | · | 215,770 Indirect | · | Acquired | (price as of 2026-10-05) |
| Sept. 24, 2025 | KDKRW | A | 11,140,899 | · | · | 11,140,899 Indirect | · | Acquired | (price as of 2026-10-05) |
| Dec. 17, 2024 | CXM | G | 200,000 | · | · | 386,963 Direct | -34.07% | Disposed | (price as of 2026-10-05) |
| Nov. 12, 2024 | CSBR | A | 34,550 | $4.64 | $160,312 | 34,550 Direct | · | Acquired | 7.1% (price as of 2026-10-05) |
| June 10, 2024 | CXM | G | 171,000 | · | · | 582,324 Direct | -22.70% | Disposed | (price as of 2026-10-05) |
| April 9, 2024 | BRZE | J | 16,156 | · | · | 102,730 Direct | -13.59% | Disposed | (price as of 2026-10-05) |
| April 9, 2024 | BRZE | J | 16,156 | · | · | 147,037 Indirect | +12.34% | Acquired | (price as of 2026-10-05) |
| Dec. 11, 2023 | CXM | G | 205,000 | · | · | 528,222 Direct | -27.96% | Disposed | (price as of 2026-10-05) |
| Nov. 3, 2023 | CSBR | A | 28,600 | $5.51 | $157,586 | 28,600 Direct | · | Acquired | -9.8% (price as of 2026-10-05) |
| Sept. 12, 2023 | BRZE | S | 844 | $48.37 | $40,824 | 0 Indirect | -100.00% | Disposed | -45.0% (price as of 2026-10-05) |
| Sept. 12, 2023 | BRZE | S | 699 | $48.37 | $33,811 | 0 Direct | -100.00% | Disposed | -45.0% (price as of 2026-10-05) |
| Sept. 12, 2023 | BRZE | S | 17,876 | $47.63 | $851,434 | 844 Indirect | -95.49% | Disposed | -44.1% (price as of 2026-10-05) |
| Sept. 12, 2023 | BRZE | S | 14,823 | $47.63 | $706,019 | 699 Direct | -95.50% | Disposed | -44.1% (price as of 2026-10-05) |
| July 6, 2023 | CXM | G | 205,000 | · | · | 618,762 Direct | -24.89% | Disposed | (price as of 2026-10-05) |
| Nov. 1, 2022 | CSBR | A | 21,200 | $7.00 | $148,400 | 21,200 Direct | · | Acquired | -29.0% (price as of 2026-10-05) |
| Oct. 12, 2022 | CSBR | M | 10,000 | $3.21 | $32,100 | 30,000 Direct | +50.00% | Acquired | 54.8% (price as of 2026-10-05) |
| Oct. 12, 2022 | CSBR | M | 10,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Dec. 13, 2021 | AMPL | S | 2,590 | $54.97 | $142,372 | 0 Indirect | -100.00% | Disposed | -72.9% (price as of 2026-10-05) |
| Dec. 13, 2021 | AMPL | S | 2,200 | $54.15 | $119,130 | 2,590 Indirect | -45.93% | Disposed | -72.5% (price as of 2026-10-05) |
| Dec. 13, 2021 | AMPL | S | 11,698 | $52.63 | $615,666 | 4,790 Indirect | -70.95% | Disposed | -71.7% (price as of 2026-10-05) |
| Dec. 13, 2021 | AMPL | S | 8,932 | $51.86 | $463,214 | 16,488 Indirect | -35.14% | Disposed | -71.3% (price as of 2026-10-05) |
| Dec. 13, 2021 | AMPL | S | 2,896 | $50.66 | $146,711 | 25,420 Indirect | -10.23% | Disposed | -70.6% (price as of 2026-10-05) |
| Nov. 5, 2021 | CSBR | A | 14,851 | $10.10 | $149,995 | 14,851 Direct | · | Acquired | -50.8% (price as of 2026-10-05) |
| Oct. 12, 2021 | CSBR | M | 10,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Oct. 12, 2021 | CSBR | M | 10,000 | $1.59 | $15,900 | 20,000 Direct | +100.00% | Acquired | 212.6% (price as of 2026-10-05) |
| Dec. 8, 2020 | CSBR | A | 10,000 | $11.96 | $119,600 | 10,000 Direct | · | Acquired | -58.4% (price as of 2026-10-05) |
| Oct. 30, 2020 | CSBR | M | 10,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Oct. 30, 2020 | CSBR | M | 10,000 | $5.46 | $54,600 | 10,000 Direct | · | Acquired | -9.0% (price as of 2026-10-05) |
| Nov. 4, 2019 | CSBR | A | 10,000 | $5.43 | $54,300 | 10,000 Direct | · | Acquired | -8.5% (price as of 2026-10-05) |
| Nov. 1, 2018 | CSBR | A | 10,000 | $12.73 | $127,300 | 10,000 Direct | · | Acquired | -61.0% (price as of 2026-10-05) |
| Nov. 8, 2017 | CSBR | A | 10,000 | $3.21 | $32,100 | 10,000 Direct | · | Acquired | 54.8% (price as of 2026-10-05) |
| Nov. 1, 2016 | CSBR | A | 10,000 | · | · | 10,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 2, 2015 | CSBR | A | 10,000 | · | · | 10,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Oct. 13, 2014 | CSBR | A | 100,000 | · | · | 220,000 Direct | +83.33% | Acquired | (price as of 2026-10-05) |
| Oct. 13, 2014 | CSBR | A | 120,000 | · | · | 120,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Dec. 12, 2013 | CSBR | A | 120,000 | · | · | 120,000 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 |
|---|---|---|---|---|---|---|---|
| Nov. 5, 2025 | CSBR | Option to purchase Common Stock | Common Stock | $6.80 | Nov. 5, 2035 | 25,460 | Acquired |
| Nov. 12, 2024 | CSBR | Option to purchase Common Stock | Common Stock | $4.64 | Nov. 12, 2034 | 34,550 | Acquired |
| Nov. 3, 2023 | CSBR | Option to purchase Common Stock | Common Stock | $5.51 | Nov. 3, 2033 | 28,600 | Acquired |
| Nov. 1, 2022 | CSBR | Option to purchase Common Stock | Common Stock | $7.00 | Nov. 1, 2032 | 21,200 | Acquired |
| Oct. 12, 2022 | CSBR | Stock Options | Common Stock | $3.21 | Oct. 31, 2022 | 10,000 | Disposed |
| Nov. 5, 2021 | CSBR | Option to purchase Common Stock | Common Stock | $10.10 | Nov. 5, 2031 | 14,851 | Acquired |
| Oct. 12, 2021 | CSBR | Stock Options | Common Stock | $1.59 | Nov. 1, 2021 | 10,000 | Disposed |
| Dec. 8, 2020 | CSBR | Option to purchase Common Stock | Common Stock | $11.96 | Dec. 8, 2025 | 10,000 | Acquired |
| Oct. 30, 2020 | CSBR | Stock Options | Common Stock | $5.46 | Nov. 2, 2020 | 10,000 | Disposed |
| Nov. 4, 2019 | CSBR | Option to purchase Common Stock | Common Stock | $5.43 | Nov. 3, 2024 | 10,000 | Acquired |
| Nov. 1, 2018 | CSBR | Option to purchase Common Stock | Common Stock | $12.73 | Nov. 1, 2023 | 10,000 | Acquired |
| Nov. 8, 2017 | CSBR | Option to purchase Common Stock | Common Stock | $3.21 | Oct. 31, 2022 | 10,000 | Acquired |
| Nov. 1, 2016 | CSBR | Common Stock | Common Stock | $1.59 | Oct. 31, 2021 | 10,000 | Acquired |
| Nov. 2, 2015 | CSBR | Stock Options | Common Stock | $5.46 | Nov. 2, 2020 | 10,000 | Acquired |
| Oct. 13, 2014 | CSBR | Stock Options | Common Stock | $0.60 | Oct. 13, 2019 | 100,000 | Acquired |
| Oct. 13, 2014 | CSBR | Stock Options | Common Stock | $0.60 | Oct. 13, 2019 | 120,000 | Acquired |
| Dec. 12, 2013 | CSBR | Stock Options | Common Stock | $1.26 | Dec. 12, 2018 | 120,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.