William John Bush
Insider
First SEC filing: May 28, 2021 · Latest: May 28, 2021
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 |
|---|---|---|---|---|---|---|---|---|---|
| May 28, 2024 | STEM | A | 125,000 | · | · | 573,380 Direct | +27.88% | Acquired | (price as of 2026-10-02) |
| April 30, 2024 | STEM | S | 24,035 | $1.87 | $44,945 | 390,217 Direct | -5.80% | Disposed | -88.6% (price as of 2026-10-02) |
| April 28, 2024 | STEM | M | 65,000 | · | · | 410,306 Direct | +18.82% | Acquired | (price as of 2026-10-02) |
| April 28, 2024 | STEM | M | 3,946 | · | · | 414,252 Direct | +0.96% | Acquired | (price as of 2026-10-02) |
| April 28, 2024 | STEM | M | 65,000 | · | · | 452,326 Direct | -12.56% | Disposed | (price as of 2026-10-02) |
| April 28, 2024 | STEM | M | 3,946 | · | · | 448,380 Direct | -0.87% | Disposed | (price as of 2026-10-02) |
| March 8, 2024 | STEM | S 10b5-1 | 46,034 | $2.19 | $100,814 | 345,306 Direct | -11.76% | Disposed | -90.3% (price as of 2026-10-02) |
| March 4, 2024 | STEM | S | 10,016 | $2.48 | $24,840 | 391,340 Direct | -2.50% | Disposed | -91.4% (price as of 2026-10-02) |
| March 1, 2024 | STEM | M | 23,446 | · | · | 300,260 Direct | +8.47% | Acquired | (price as of 2026-10-02) |
| March 1, 2024 | STEM | A | 101,096 | · | · | 401,356 Direct | +33.67% | Acquired | (price as of 2026-10-02) |
| March 1, 2024 | STEM | M | 23,446 | · | · | 517,326 Direct | -4.34% | Disposed | (price as of 2026-10-02) |
| Feb. 16, 2024 | STEM | S | 20,367 | $3.17 | $64,563 | 276,814 Direct | -6.85% | Disposed | -93.3% (price as of 2026-10-02) |
| Feb. 15, 2024 | STEM | M | 48,631 | · | · | 297,181 Direct | +19.57% | Acquired | (price as of 2026-10-02) |
| Feb. 15, 2024 | STEM | M | 48,631 | · | · | 540,772 Direct | -8.25% | Disposed | (price as of 2026-10-02) |
| Feb. 15, 2024 | STEM | A | 64,320 | · | · | 64,320 Direct | · | Acquired | (price as of 2026-10-02) |
| May 1, 2023 | STEM | S | 1,440 | $4.12 | $5,933 | 248,550 Direct | -0.58% | Disposed | -94.8% (price as of 2026-10-02) |
| April 28, 2023 | STEM | M | 3,946 | · | · | 249,990 Direct | +1.60% | Acquired | (price as of 2026-10-02) |
| April 28, 2023 | STEM | M | 3,946 | · | · | 589,403 Direct | -0.67% | Disposed | (price as of 2026-10-02) |
| April 12, 2023 | STEM | A | 298,804 | · | · | 593,349 Direct | +101.45% | Acquired | (price as of 2026-10-02) |
| March 1, 2023 | STEM | M | 23,445 | · | · | 255,296 Direct | +10.11% | Acquired | (price as of 2026-10-02) |
| March 1, 2023 | STEM | S | 9,252 | $8.10 | $74,941 | 246,044 Direct | -3.62% | Disposed | -97.4% (price as of 2026-10-02) |
| March 1, 2023 | STEM | M | 23,445 | · | · | 294,545 Direct | -7.37% | Disposed | (price as of 2026-10-02) |
| Feb. 15, 2023 | STEM | A | 147,368 | · | · | 317,990 Direct | +86.37% | Acquired | (price as of 2026-10-02) |
| Feb. 15, 2023 | STEM | A | 190,375 | · | · | 190,375 Direct | · | Acquired | (price as of 2026-10-02) |
| Nov. 15, 2022 | STEM | S | 30,000 | $14.67 | $440,100 | 231,851 Direct | -11.46% | Disposed | -98.5% (price as of 2026-10-02) |
| Aug. 16, 2022 | STEM | S 10b5-1 | 21,200 | $15.93 | $337,716 | 264,008 Direct | -7.43% | Disposed | -98.7% (price as of 2026-10-02) |
| Aug. 16, 2022 | STEM | S 10b5-1 | 2,383 | $16.62 | $39,605 | 261,625 Direct | -0.90% | Disposed | -98.7% (price as of 2026-10-02) |
| Aug. 15, 2022 | STEM | S 10b5-1 | 60,220 | $16.24 | $977,973 | 285,630 Direct | -17.41% | Disposed | -98.7% (price as of 2026-10-02) |
| Aug. 15, 2022 | STEM | S 10b5-1 | 422 | $16.70 | $7,047 | 285,208 Direct | -0.15% | Disposed | -98.7% (price as of 2026-10-02) |
| May 17, 2022 | STEM | S 10b5-1 | 37,284 | $7.62 | $284,104 | 345,850 Direct | -9.73% | Disposed | -97.2% (price as of 2026-10-02) |
| May 10, 2022 | STEM | S | 2,080 | $7.32 | $15,226 | 383,134 Direct | -0.54% | Disposed | -97.1% (price as of 2026-10-02) |
| April 28, 2022 | STEM | M | 3,946 | · | · | 385,214 Direct | +1.03% | Acquired | (price as of 2026-10-02) |
| April 28, 2022 | STEM | M | 3,946 | · | · | 170,622 Direct | -2.26% | Disposed | (price as of 2026-10-02) |
| March 15, 2022 | STEM | M | 105,928 | $1.67 | $176,900 | 400,719 Direct | +35.93% | Acquired | -87.2% (price as of 2026-10-02) |
| March 15, 2022 | STEM | F | 51,703 | $7.96 | $411,556 | 349,016 Direct | -12.90% | Disposed | -97.3% (price as of 2026-10-02) |
| March 15, 2022 | STEM | M | 74,072 | $2.41 | $178,514 | 423,088 Direct | +21.22% | Acquired | -91.2% (price as of 2026-10-02) |
| March 15, 2022 | STEM | F | 41,820 | $7.96 | $332,887 | 381,268 Direct | -9.88% | Disposed | -97.3% (price as of 2026-10-02) |
| March 15, 2022 | STEM | M | 105,928 | $7.96 | $843,187 | 896,218 Direct | -10.57% | Disposed | -97.3% (price as of 2026-10-02) |
| March 15, 2022 | STEM | M | 74,072 | $7.96 | $589,613 | 822,146 Direct | -8.26% | Disposed | -97.3% (price as of 2026-10-02) |
| March 1, 2022 | STEM | A | 146,535 | · | · | 1,002,146 Direct | +17.13% | Acquired | (price as of 2026-10-02) |
| March 1, 2022 | STEM | A | 93,783 | · | · | 174,568 Direct | +116.09% | Acquired | (price as of 2026-10-02) |
| Dec. 2, 2021 | STEM | S 10b5-1 | 3,000 | $20.34 | $61,020 | 294,791 Direct | -1.01% | Disposed | -99.0% (price as of 2026-10-02) |
| Dec. 1, 2021 | STEM | S 10b5-1 | 4,973 | $20.77 | $103,289 | 302,818 Direct | -1.62% | Disposed | -99.0% (price as of 2026-10-02) |
| Dec. 1, 2021 | STEM | S 10b5-1 | 5,027 | $21.49 | $108,030 | 297,791 Direct | -1.66% | Disposed | -99.0% (price as of 2026-10-02) |
| Nov. 17, 2021 | STEM | S 10b5-1 | 11,056 | $22.01 | $243,343 | 309,191 Direct | -3.45% | Disposed | -99.0% (price as of 2026-10-02) |
| Nov. 17, 2021 | STEM | S 10b5-1 | 1,400 | $22.69 | $31,766 | 307,791 Direct | -0.45% | Disposed | -99.1% (price as of 2026-10-02) |
| Nov. 16, 2021 | STEM | S 10b5-1 | 12,456 | $24.56 | $305,919 | 320,247 Direct | -3.74% | Disposed | -99.1% (price as of 2026-10-02) |
| Aug. 25, 2021 | STEM | M | 150,000 | $1.67 | $250,500 | 407,207 Direct | +58.32% | Acquired | -87.2% (price as of 2026-10-02) |
| Aug. 25, 2021 | STEM | F | 74,504 | $24.87 | $1,852,914 | 332,703 Direct | -18.30% | Disposed | -99.1% (price as of 2026-10-02) |
| Aug. 25, 2021 | STEM | M | 150,000 | $24.87 | $3,730,500 | 855,611 Direct | -14.92% | Disposed | -99.1% (price as of 2026-10-02) |
| July 2, 2021 | STEM | A | 65,000 | · | · | 65,000 Direct | · | Acquired | (price as of 2026-10-02) |
| July 2, 2021 | STEM | A | 15,785 | · | · | 80,785 Direct | +24.28% | Acquired | (price as of 2026-10-02) |
| May 28, 2021 | STEM | A | 39,463 | · | · | 1,005,611 Direct | +4.08% | Acquired | (price as of 2026-10-02) |
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 28, 2024 | STEM | Restricted Stock Unit | Common Stock, Par Value $0.0001 Per Share | $0.00 | · | 125,000 | Acquired |
| April 28, 2024 | STEM | Restricted Stock Unit | Common Stock, Par Value $0.0001 Per Share | $0.00 | · | 65,000 | Disposed |
| April 28, 2024 | STEM | Restricted Stock Unit | Common Stock, Par Value $0.0001 Per Share | $0.00 | · | 3,946 | Disposed |
| March 1, 2024 | STEM | Restricted Stock Unit | Common Stock, Par Value $0.0001 Per Share | $0.00 | · | 23,446 | Disposed |
| Feb. 15, 2024 | STEM | Restricted Stock Unit | Common Stock, Par Value $0.0001 Per Share | $0.00 | · | 48,631 | Disposed |
| Feb. 15, 2024 | STEM | Stock Option (Right to Buy) | Common Stock, Par Value $0.0001 Per Share | $3.37 | Feb. 15, 2034 | 64,320 | Acquired |
| April 28, 2023 | STEM | Restricted Stock Unit | Common Stock, Par Value $0.0001 Per Share | · | · | 3,946 | Disposed |
| April 12, 2023 | STEM | Restricted Stock Unit | Common Stock, Par Value $0.0001 Per Share | · | · | 298,804 | Acquired |
| March 1, 2023 | STEM | Restricted Stock Unit | Common Stock, Par Value $0.0001 Per Share | · | · | 23,445 | Disposed |
| Feb. 15, 2023 | STEM | Restricted Stock Unit | Common Stock, Par Value $0.0001 Per Share | · | · | 147,368 | Acquired |
| Feb. 15, 2023 | STEM | Stock Option (Right to Buy) | Common Stock, Par Value $0.0001 Per Share | $10.25 | Feb. 15, 2033 | 190,375 | Acquired |
| April 28, 2022 | STEM | Restricted Stock Unit | Common Stock, Par Value $0.0001 Per Share | · | · | 3,946 | Disposed |
| March 15, 2022 | STEM | Stock Option (Right to Buy) | Common Stock, Par Value $0.0001 Per Share | $1.67 | May 30, 2027 | 105,928 | Disposed |
| March 15, 2022 | STEM | Stock Option (Right to Buy) | Common Stock, Par Value $0.0001 Per Share | $2.41 | Oct. 21, 2029 | 74,072 | Disposed |
| March 1, 2022 | STEM | Stock Option (Right to Buy) | Common Stock, Par Value $0.0001 Per Share | $9.33 | Feb. 29, 2032 | 146,535 | Acquired |
| March 1, 2022 | STEM | Restricted Stock Unit | Common Stock, Par Value $0.0001 Per Share | · | · | 93,783 | Acquired |
| Aug. 25, 2021 | STEM | Stock Option (Right to Buy) | Common Stock, Par Value $0.0001 Per Share | $1.67 | May 30, 2027 | 150,000 | Disposed |
| July 2, 2021 | STEM | Restricted Stock Unit | Common Stock, Par Value $0.0001 Per Share | · | · | 65,000 | Acquired |
| July 2, 2021 | STEM | Restricted Stock Unit | Common Stock, Par Value $0.0001 Per Share | · | · | 15,785 | Acquired |
| May 28, 2021 | STEM | Stock Option (Right to Buy) | Common Stock | $25.34 | May 27, 2031 | 39,463 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 5 holdings
Securities held when first becoming an insider, per SEC Form 3.
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2023 | $425,600 | · | · | · | $270,938 | · | $13,200 | $4,984,898 |
| 2022 | $425,712 | · | · | · | $322,090 | · | · | $2,479,221 |
| 2021 | $374,167 | · | · | · | $315,000 | · | $19,231 | $4,309,336 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.