Peter Platzer
Insider
First SEC filing: Aug. 19, 2021 · Latest: Aug. 19, 2021
Insider at
Insider transactions
0 buys (P)
11 sells (S)
Net: $-2,222,562
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. 20, 2026 | SPIR | S 10b5-1 | 5,100 | $14.09 | $71,859 | 1,473,468 Direct | -0.34% | Disposed | -21.1% (price as of 2026-10-02) |
| May 20, 2026 | SPIR | S 10b5-1 | 5,299 | $19.08 | $101,105 | 1,478,568 Direct | -0.36% | Disposed | -41.8% (price as of 2026-10-02) |
| May 20, 2026 | SPIR | S 10b5-1 | 1,885 | $19.07 | $35,947 | 1,483,867 Direct | -0.13% | Disposed | -41.7% (price as of 2026-10-02) |
| April 20, 2026 | SPIR | S 10b5-1 | 1,800 | $18.31 | $32,958 | 1,485,752 Direct | -0.12% | Disposed | -39.3% (price as of 2026-10-02) |
| March 20, 2026 | SPIR | S 10b5-1 | 1,801 | $12.86 | $23,161 | 1,691,802 Direct | -0.11% | Disposed | -13.6% (price as of 2026-10-02) |
| Feb. 20, 2026 | SPIR | S 10b5-1 | 58,428 | $8.53 | $498,391 | 1,693,603 Direct | -3.33% | Disposed | 30.2% (price as of 2026-10-02) |
| Feb. 3, 2026 | SPIR | A | 275,867 | · | · | 1,752,031 Direct | +18.69% | Acquired | (price as of 2026-10-02) |
| Jan. 21, 2026 | SPIR | S 10b5-1 | 1,801 | $12.10 | $21,792 | 1,487,552 Direct | -0.12% | Disposed | -8.2% (price as of 2026-10-02) |
| Dec. 22, 2025 | SPIR | S 10b5-1 | 1,802 | $8.24 | $14,848 | 1,489,353 Direct | -0.12% | Disposed | 34.8% (price as of 2026-10-02) |
| Nov. 21, 2025 | SPIR | S 10b5-1 | 54,793 | $7.59 | $415,879 | 1,491,155 Direct | -3.54% | Disposed | 46.4% (price as of 2026-10-02) |
| Nov. 11, 2025 | SPIR | S 10b5-1 | 117,236 | $8.40 | $984,782 | 1,476,164 Direct | -7.36% | Disposed | 32.3% (price as of 2026-10-02) |
| Oct. 21, 2025 | SPIR | S 10b5-1 | 1,817 | $12.02 | $21,840 | 1,545,948 Direct | -0.12% | Disposed | -7.6% (price as of 2026-10-02) |
| Sept. 22, 2025 | SPIR | S 10b5-1 | 1,811 | $10.42 | $18,871 | 1,547,765 Direct | -0.12% | Disposed | 6.6% (price as of 2026-10-02) |
| Aug. 21, 2025 | SPIR | S 10b5-1 | 54,783 | $8.66 | $474,421 | 1,549,576 Direct | -3.41% | Disposed | 28.3% (price as of 2026-10-02) |
| July 22, 2025 | SPIR | S 10b5-1 | 20,799 | $10.92 | $227,125 | 1,593,400 Direct | -1.29% | Disposed | 1.7% (price as of 2026-10-02) |
| July 21, 2025 | SPIR | S 10b5-1 | 1,801 | $12.45 | $22,422 | 1,604,359 Direct | -0.11% | Disposed | -10.8% (price as of 2026-10-02) |
| July 8, 2025 | SPIR | M 10b5-1 | 130,191 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| July 8, 2025 | SPIR | S 10b5-1 | 130,191 | $12.25 | $1,594,840 | 1,614,199 Direct | -7.46% | Disposed | -9.3% (price as of 2026-10-02) |
| July 8, 2025 | SPIR | M 10b5-1 | 130,191 | $7.04 | $916,545 | 1,744,390 Direct | +8.07% | Acquired | 57.8% (price as of 2026-10-02) |
| June 25, 2025 | SPIR | S 10b5-1 | 1,805 | $9.92 | $17,906 | 1,606,160 Direct | -0.11% | Disposed | 12.0% (price as of 2026-10-02) |
| June 24, 2025 | SPIR | S 10b5-1 | 25,907 | $9.91 | $256,738 | 1,614,199 Direct | -1.58% | Disposed | 12.1% (price as of 2026-10-02) |
| June 11, 2025 | SPIR | M 10b5-1 | 7,750 | · | · | 130,191 Direct | -5.62% | Disposed | (price as of 2026-10-02) |
| June 11, 2025 | SPIR | S 10b5-1 | 7,750 | $12.01 | $93,078 | 1,640,106 Direct | -0.47% | Disposed | -7.5% (price as of 2026-10-02) |
| June 11, 2025 | SPIR | M 10b5-1 | 7,750 | $7.04 | $54,560 | 1,647,856 Direct | +0.47% | Acquired | 57.8% (price as of 2026-10-02) |
| June 10, 2025 | SPIR | M 10b5-1 | 783 | · | · | 3,134 Direct | -19.99% | Disposed | (price as of 2026-10-02) |
| June 10, 2025 | SPIR | M 10b5-1 | 8,444 | · | · | 137,941 Direct | -5.77% | Disposed | (price as of 2026-10-02) |
| June 10, 2025 | SPIR | S 10b5-1 | 9,227 | $12.06 | $111,278 | 1,640,106 Direct | -0.56% | Disposed | -7.9% (price as of 2026-10-02) |
| June 10, 2025 | SPIR | M 10b5-1 | 783 | $7.84 | $6,139 | 1,649,333 Direct | +0.05% | Acquired | 41.7% (price as of 2026-10-02) |
| June 10, 2025 | SPIR | M 10b5-1 | 8,444 | $7.04 | $59,446 | 1,648,550 Direct | +0.51% | Acquired | 57.8% (price as of 2026-10-02) |
| May 28, 2025 | SPIR | A | 45,000 | · | · | 1,610,046 Direct | +2.88% | Acquired | (price as of 2026-10-02) |
| May 27, 2025 | SPIR | S 10b5-1 | 23,563 | $10.87 | $256,130 | 1,565,046 Direct | -1.48% | Disposed | 2.2% (price as of 2026-10-02) |
| May 22, 2025 | SPIR | S 10b5-1 | 53,289 | $11.44 | $609,626 | 1,607,965 Direct | -3.21% | Disposed | -2.9% (price as of 2026-10-02) |
| April 15, 2025 | SPIR | S 10b5-1 | 27,293 | $9.28 | $253,279 | 1,588,609 Direct | -1.69% | Disposed | 19.7% (price as of 2026-10-02) |
| March 18, 2025 | SPIR | S 10b5-1 | 27,564 | $8.57 | $236,223 | 1,615,902 Direct | -1.68% | Disposed | 29.6% (price as of 2026-10-02) |
| March 5, 2025 | SPIR | S 10b5-1 | 23,276 | $11.20 | $260,691 | 1,643,466 Direct | -1.40% | Disposed | -0.8% (price as of 2026-10-02) |
| March 5, 2025 | SPIR | S 10b5-1 | 28,015 | $10.67 | $298,920 | 1,666,742 Direct | -1.65% | Disposed | 4.1% (price as of 2026-10-02) |
| March 4, 2025 | SPIR | M 10b5-1 | 783 | · | · | 3,917 Direct | -16.66% | Disposed | (price as of 2026-10-02) |
| March 4, 2025 | SPIR | M 10b5-1 | 29,277 | · | · | 146,385 Direct | -16.67% | Disposed | (price as of 2026-10-02) |
| March 4, 2025 | SPIR | M 10b5-1 | 783 | $7.84 | $6,139 | 1,640,106 Direct | +0.05% | Acquired | 41.7% (price as of 2026-10-02) |
| March 4, 2025 | SPIR | M 10b5-1 | 29,277 | $7.04 | $206,110 | 1,639,323 Direct | +1.82% | Acquired | 57.8% (price as of 2026-10-02) |
| March 4, 2025 | SPIR | S 10b5-1 | 66,667 | $10.81 | $720,670 | 1,694,757 Direct | -3.78% | Disposed | 2.8% (price as of 2026-10-02) |
| March 4, 2025 | SPIR | S 10b5-1 | 78,933 | $10.02 | $790,909 | 1,761,424 Direct | -4.29% | Disposed | 10.9% (price as of 2026-10-02) |
| Feb. 21, 2025 | SPIR | S 10b5-1 | 51,346 | $11.27 | $578,669 | 1,840,357 Direct | -2.71% | Disposed | -1.4% (price as of 2026-10-02) |
| Nov. 21, 2024 | SPIR | S 10b5-1 | 50,238 | $14.77 | $742,015 | 1,891,703 Direct | -2.59% | Disposed | -24.8% (price as of 2026-10-02) |
| Oct. 18, 2024 | SPIR | A | 262,500 | · | · | 1,941,941 Direct | +15.63% | Acquired | (price as of 2026-10-02) |
| Aug. 21, 2024 | SPIR | S 10b5-1 | 30,657 | $7.10 | $217,665 | 1,679,441 Direct | -1.79% | Disposed | 56.5% (price as of 2026-10-02) |
| May 20, 2024 | SPIR | S 10b5-1 | 30,546 | $8.74 | $266,972 | 1,661,254 Direct | -1.81% | Disposed | 27.1% (price as of 2026-10-02) |
| March 7, 2024 | SPIR | A | 525,000 | · | · | 1,972,598 Direct | +36.27% | Acquired | (price as of 2026-10-02) |
| Feb. 22, 2024 | SPIR | S 10b5-1 | 14,640 | $10.91 | $159,722 | 1,447,598 Direct | -1.00% | Disposed | 1.8% (price as of 2026-10-02) |
| Feb. 21, 2024 | SPIR | S 10b5-1 | 12,534 | $11.39 | $142,762 | 1,462,238 Direct | -0.85% | Disposed | -2.5% (price as of 2026-10-02) |
| Nov. 21, 2023 | SPIR | S 10b5-1 | 22,734 | $4.66 | $105,940 | 1,474,772 Direct | -1.52% | Disposed | 138.4% (price as of 2026-10-02) |
| Oct. 2, 2023 | SPIR | A | 7,402 | · | · | 1,497,506 Direct | +0.50% | Acquired | (price as of 2026-10-02) |
| Aug. 20, 2023 | SPIR | S 10b5-1 | 159,442 | $0.60 | $95,665 | 11,920,833 Direct | -1.32% | Disposed | 131.5% (price as of 2026-10-02) |
| May 24, 2023 | SPIR | S 10b5-1 | 56,099 | $0.74 | $41,513 | 12,080,275 Direct | -0.46% | Disposed | 87.7% (price as of 2026-10-02) |
| May 23, 2023 | SPIR | S 10b5-1 | 48,008 | $0.74 | $35,526 | 12,136,374 Direct | -0.39% | Disposed | 87.7% (price as of 2026-10-02) |
| May 22, 2023 | SPIR | S 10b5-1 | 52,907 | $0.72 | $38,093 | 12,184,382 Direct | -0.43% | Disposed | 92.9% (price as of 2026-10-02) |
| April 14, 2023 | SPIR | A | 1,350,000 | · | · | 12,237,289 Direct | +12.40% | Acquired | (price as of 2026-10-02) |
| Feb. 24, 2023 | SPIR | S | 90,396 | $1.02 | $92,204 | 10,887,289 Direct | -0.82% | Disposed | 36.2% (price as of 2026-10-02) |
| Feb. 23, 2023 | SPIR | S | 98,766 | $1.02 | $100,741 | 10,977,685 Direct | -0.89% | Disposed | 36.2% (price as of 2026-10-02) |
| Feb. 22, 2023 | SPIR | S | 77,977 | $1.02 | $79,537 | 11,076,451 Direct | -0.70% | Disposed | 36.2% (price as of 2026-10-02) |
| April 19, 2022 | SPIR | A | 717,000 | · | · | 11,154,428 Direct | +6.87% | Acquired | (price as of 2026-10-02) |
| April 19, 2022 | SPIR | A | 1,076,000 | · | · | 10,437,428 Direct | +11.49% | Acquired | (price as of 2026-10-02) |
| Feb. 4, 2022 | SPIR | A | 418,000 | · | · | 1,257,244 Indirect | +49.81% | Acquired | (price as of 2026-10-02) |
| Feb. 4, 2022 | SPIR | A | 278,000 | · | · | 839,244 Indirect | +49.53% | Acquired | (price as of 2026-10-02) |
| Feb. 4, 2022 | SPIR | A | 418,000 | · | · | 561,244 Indirect | +291.81% | Acquired | (price as of 2026-10-02) |
| Feb. 4, 2022 | SPIR | A | 1,076,000 | · | · | 9,361,428 Direct | +12.99% | 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 |
|---|---|---|---|---|---|---|---|
| July 8, 2025 | SPIR | Stock Option (right to buy) | Common Stock | $7.04 | Aug. 16, 2025 | 130,191 | Disposed |
| June 11, 2025 | SPIR | Stock Option (right to buy) | Common Stock | $7.04 | Aug. 16, 2025 | 7,750 | Disposed |
| June 10, 2025 | SPIR | Stock Option (right to buy) | Common Stock | $7.84 | March 7, 2027 | 783 | Disposed |
| June 10, 2025 | SPIR | Stock Option (right to buy) | Common Stock | $7.04 | Aug. 16, 2025 | 8,444 | Disposed |
| March 4, 2025 | SPIR | Stock Option (right to buy) | Common Stock | $7.84 | March 7, 2027 | 783 | Disposed |
| March 4, 2025 | SPIR | Stock Option (right to buy) | Common Stock | $7.04 | Aug. 16, 2025 | 29,277 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 46 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Aug. 19, 2021 | SPIR | Class A Common | 8,285,428 | Direct |
| Aug. 19, 2021 | SPIR | Class B Common | 8,285,428 | Direct |
| Aug. 19, 2021 | SPIR | Class A Common | 143,244 | Indirect |
| Aug. 19, 2021 | SPIR | Class B Common | 143,244 | Indirect |
| Aug. 19, 2021 | SPIR | Stock Option (right to buy) | 1,405,297 | Direct |
| Aug. 19, 2021 | SPIR | Stock Option (right to buy) | 37,600 | Direct |
| Aug. 19, 2021 | SPIR | Stock Option (right to buy) | 1,363,424 | Direct |
| Aug. 19, 2021 | SPIR | Stock Option (right to buy) | 109,692 | Direct |
| Aug. 19, 2021 | SPIR | Stock Option (right to buy) | 175,507 | Direct |
| Aug. 19, 2021 | SPIR | Stock Option (right to buy) | 1,337,465 | Direct |
| Aug. 19, 2021 | SPIR | Stock Option (right to buy) | 292,512 | Direct |
| Aug. 19, 2021 | SPIR | Stock Option (right to buy) | 546,834 | Direct |
| Aug. 19, 2021 | SPIR | Stock Option (right to buy) | 146,256 | Indirect |
| Aug. 19, 2021 | SPIR | Stock Option (right to buy) | 18,282 | Indirect |
| Aug. 19, 2021 | SPIR | Stock Option (right to buy) | 6,565 | Indirect |
| Aug. 19, 2021 | SPIR | Stock Option (right to buy) | 4,433 | Indirect |
| Aug. 19, 2021 | SPIR | Stock Option (right to buy) | 15,804 | Indirect |
| Aug. 19, 2021 | SPIR | Stock Option (right to buy) | 662,680 | Indirect |
| Aug. 19, 2021 | SPIR | Stock Option (right to buy) | 9,488 | Indirect |
| Aug. 19, 2021 | SPIR | Stock Option (right to buy) | 54,846 | Indirect |
| Aug. 19, 2021 | SPIR | Stock Option (right to buy) | 82,269 | Indirect |
| Aug. 19, 2021 | SPIR | Stock Option (right to buy) | 187,986 | Indirect |
| Aug. 19, 2021 | SPIR | Stock Option (right to buy) | 127,160 | Indirect |
| Aug. 17, 2021 | SPIR | Class A Common | 8,285,428 | Direct |
| Aug. 17, 2021 | SPIR | Class B Common | 8,285,428 | Direct |
| Aug. 17, 2021 | SPIR | Class A Common | 143,244 | Indirect |
| Aug. 17, 2021 | SPIR | Class B Common | 143,244 | Indirect |
| Aug. 17, 2021 | SPIR | Stock Option (right to buy) | 1,405,297 | Direct |
| Aug. 17, 2021 | SPIR | Stock Option (right to buy) | 37,600 | Direct |
| Aug. 17, 2021 | SPIR | Stock Option (right to buy) | 1,363,424 | Direct |
| Aug. 17, 2021 | SPIR | Stock Option (right to buy) | 109,692 | Direct |
| Aug. 17, 2021 | SPIR | Stock Option (right to buy) | 175,507 | Direct |
| Aug. 17, 2021 | SPIR | Stock Option (right to buy) | 1,337,465 | Direct |
| Aug. 17, 2021 | SPIR | Stock Option (right to buy) | 292,512 | Direct |
| Aug. 17, 2021 | SPIR | Stock Option (right to buy) | 546,834 | Direct |
| Aug. 17, 2021 | SPIR | Stock Option (right to buy) | 146,256 | Indirect |
| Aug. 17, 2021 | SPIR | Stock Option (right to buy) | 18,282 | Indirect |
| Aug. 17, 2021 | SPIR | Stock Option (right to buy) | 6,565 | Indirect |
| Aug. 17, 2021 | SPIR | Stock Option (right to buy) | 4,433 | Indirect |
| Aug. 17, 2021 | SPIR | Stock Option (right to buy) | 15,804 | Indirect |
| Aug. 17, 2021 | SPIR | Stock Option (right to buy) | 662,680 | Indirect |
| Aug. 17, 2021 | SPIR | Stock Option (right to buy) | 9,488 | Indirect |
| Aug. 17, 2021 | SPIR | Stock Option (right to buy) | 54,846 | Indirect |
| Aug. 17, 2021 | SPIR | Stock Option (right to buy) | 82,269 | Indirect |
| Aug. 17, 2021 | SPIR | Stock Option (right to buy) | 187,986 | Indirect |
| Aug. 17, 2021 | SPIR | Stock Option (right to buy) | 127,160 | Indirect |
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 | $477,310 | · | $855,515 | · | · | · | $3,898 | $1,336,724 |
| 2022 | $428,116 | · | $6,408,760 | · | $432,260 | · | $89,656 | $7,358,791 |
| 2021 | $376,603 | · | · | $1,587,287 | · | · | $188,038 | $2,151,929 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.