Heather A. Planishek
CIK 1965681 · View on SEC EDGAR ↗
Insider
First SEC filing: Feb. 23, 2023 · Latest: Feb. 23, 2023
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 13 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
13 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 8, 2025 | PLTR | P | 10,000 | $116.14 | $1,161,400 | 58,006 Direct | +20.83% | Acquired | 50.3% (price as of 2026-08-20) |
| Feb. 21, 2025 | PLTR | S 10b5-1 | 601 | $104.70 | $62,925 | 492,868 Direct | -0.12% | Disposed | 66.8% (price as of 2026-08-20) |
| Feb. 21, 2025 | PLTR | S 10b5-1 | 1,223 | $105.63 | $129,185 | 491,645 Direct | -0.25% | Disposed | 65.3% (price as of 2026-08-20) |
| Feb. 21, 2025 | PLTR | S 10b5-1 | 870 | $106.37 | $92,542 | 490,775 Direct | -0.18% | Disposed | 64.1% (price as of 2026-08-20) |
| Feb. 21, 2025 | PLTR | S 10b5-1 | 829 | $107.55 | $89,159 | 489,946 Direct | -0.17% | Disposed | 62.3% (price as of 2026-08-20) |
| Feb. 21, 2025 | PLTR | S 10b5-1 | 345 | $108.28 | $37,357 | 489,601 Direct | -0.07% | Disposed | 61.2% (price as of 2026-08-20) |
| Feb. 20, 2025 | PLTR | S 10b5-1 | 209 | $96.43 | $20,154 | 511,797 Direct | -0.04% | Disposed | 81.1% (price as of 2026-08-20) |
| Feb. 20, 2025 | PLTR | S 10b5-1 | 276 | $97.42 | $26,888 | 511,521 Direct | -0.05% | Disposed | 79.2% (price as of 2026-08-20) |
| Feb. 20, 2025 | PLTR | S 10b5-1 | 1,807 | $98.57 | $178,116 | 509,714 Direct | -0.35% | Disposed | 77.1% (price as of 2026-08-20) |
| Feb. 20, 2025 | PLTR | S 10b5-1 | 2,063 | $99.39 | $205,042 | 507,651 Direct | -0.40% | Disposed | 75.7% (price as of 2026-08-20) |
| Feb. 20, 2025 | PLTR | S 10b5-1 | 2,037 | $100.41 | $204,535 | 505,614 Direct | -0.40% | Disposed | 73.9% (price as of 2026-08-20) |
| Feb. 20, 2025 | PLTR | S 10b5-1 | 2,136 | $101.36 | $216,505 | 503,478 Direct | -0.42% | Disposed | 72.3% (price as of 2026-08-20) |
| Feb. 20, 2025 | PLTR | S 10b5-1 | 2,259 | $102.47 | $231,480 | 501,219 Direct | -0.45% | Disposed | 70.4% (price as of 2026-08-20) |
| Feb. 20, 2025 | PLTR | S 10b5-1 | 1,635 | $103.46 | $169,157 | 499,584 Direct | -0.33% | Disposed | 68.8% (price as of 2026-08-20) |
| Feb. 20, 2025 | PLTR | S 10b5-1 | 1,981 | $104.30 | $206,618 | 497,603 Direct | -0.40% | Disposed | 67.4% (price as of 2026-08-20) |
| Feb. 20, 2025 | PLTR | S 10b5-1 | 1,599 | $105.44 | $168,599 | 496,004 Direct | -0.32% | Disposed | 65.6% (price as of 2026-08-20) |
| Feb. 20, 2025 | PLTR | S 10b5-1 | 2,480 | $106.34 | $263,723 | 493,524 Direct | -0.50% | Disposed | 64.2% (price as of 2026-08-20) |
| Feb. 20, 2025 | PLTR | S 10b5-1 | 55 | $107.09 | $5,890 | 493,469 Direct | -0.01% | Disposed | 63.0% (price as of 2026-08-20) |
| Feb. 11, 2025 | PLTR | S 10b5-1 | 2,382 | $113.03 | $269,237 | 523,515 Direct | -0.45% | Disposed | 54.5% (price as of 2026-08-20) |
| Feb. 11, 2025 | PLTR | S 10b5-1 | 1,585 | $113.72 | $180,246 | 521,930 Direct | -0.30% | Disposed | 53.5% (price as of 2026-08-20) |
| Feb. 11, 2025 | PLTR | S 10b5-1 | 924 | $115.36 | $106,593 | 521,006 Direct | -0.18% | Disposed | 51.4% (price as of 2026-08-20) |
| Feb. 11, 2025 | PLTR | S 10b5-1 | 6,000 | $116.66 | $699,960 | 515,006 Direct | -1.15% | Disposed | 49.7% (price as of 2026-08-20) |
| Feb. 11, 2025 | PLTR | S 10b5-1 | 3,000 | $118.22 | $354,660 | 512,006 Direct | -0.58% | Disposed | 47.7% (price as of 2026-08-20) |
| Dec. 4, 2024 | PLTR | S 10b5-1 | 1,553 | $68.26 | $106,008 | 538,235 Direct | -0.29% | Disposed | 155.8% (price as of 2026-08-20) |
| Dec. 4, 2024 | PLTR | S 10b5-1 | 9,900 | $69.39 | $686,961 | 528,335 Direct | -1.84% | Disposed | 151.6% (price as of 2026-08-20) |
| Dec. 4, 2024 | PLTR | S 10b5-1 | 2,330 | $70.05 | $163,216 | 526,005 Direct | -0.44% | Disposed | 149.3% (price as of 2026-08-20) |
| Dec. 4, 2024 | PLTR | S 10b5-1 | 108 | $70.89 | $7,656 | 525,897 Direct | -0.02% | Disposed | 146.3% (price as of 2026-08-20) |
| Nov. 21, 2024 | PLTR | S 10b5-1 | 3,093 | $61.29 | $189,570 | 544,278 Direct | -0.57% | Disposed | 184.9% (price as of 2026-08-20) |
| Nov. 21, 2024 | PLTR | S 10b5-1 | 4,432 | $62.76 | $278,152 | 539,846 Direct | -0.81% | Disposed | 178.2% (price as of 2026-08-20) |
| Nov. 21, 2024 | PLTR | S 10b5-1 | 58 | $63.07 | $3,658 | 539,788 Direct | -0.01% | Disposed | 176.8% (price as of 2026-08-20) |
| Nov. 20, 2024 | PLTR | S 10b5-1 | 2,883 | $60.68 | $174,940 | 559,123 Direct | -0.51% | Disposed | 187.7% (price as of 2026-08-20) |
| Nov. 20, 2024 | PLTR | S 10b5-1 | 7,293 | $61.61 | $449,322 | 551,830 Direct | -1.30% | Disposed | 183.4% (price as of 2026-08-20) |
| Nov. 20, 2024 | PLTR | S 10b5-1 | 4,459 | $62.21 | $277,394 | 547,371 Direct | -0.81% | Disposed | 180.7% (price as of 2026-08-20) |
| Nov. 5, 2024 | PLTR | S 10b5-1 | 20,000 | $49.96 | $999,200 | 562,006 Direct | -3.44% | Disposed | 249.5% (price as of 2026-08-20) |
| Oct. 4, 2024 | PLTR | S 10b5-1 | 20,000 | $39.95 | $799,000 | 562,006 Direct | -3.44% | Disposed | 337.0% (price as of 2026-08-20) |
| Oct. 3, 2024 | PLTR | S 10b5-1 | 3,842 | $37.63 | $144,574 | 572,181 Direct | -0.67% | Disposed | 364.0% (price as of 2026-08-20) |
| Oct. 3, 2024 | PLTR | S 10b5-1 | 10,175 | $38.71 | $393,874 | 562,006 Direct | -1.78% | Disposed | 351.0% (price as of 2026-08-20) |
| Sept. 9, 2024 | PLTR | S 10b5-1 | 20,000 | $33.74 | $674,800 | 576,023 Direct | -3.36% | Disposed | 417.5% (price as of 2026-08-20) |
| Aug. 29, 2024 | PLTR | S 10b5-1 | 14,016 | $30.67 | $429,871 | 576,023 Direct | -2.38% | Disposed | 469.3% (price as of 2026-08-20) |
| Aug. 21, 2024 | PLTR | S 10b5-1 | 10,594 | $32.26 | $341,762 | 590,039 Direct | -1.76% | Disposed | 441.2% (price as of 2026-08-20) |
| Aug. 20, 2024 | PLTR | S 10b5-1 | 11,335 | $32.25 | $365,554 | 600,671 Direct | -1.85% | Disposed | 441.4% (price as of 2026-08-20) |
| Aug. 20, 2024 | PLTR | S 10b5-1 | 38 | $32.67 | $1,241 | 600,633 Direct | -0.01% | Disposed | 434.4% (price as of 2026-08-20) |
| Aug. 12, 2024 | PLTR | S 10b5-1 | 20,000 | $30.24 | $604,800 | 612,006 Direct | -3.16% | Disposed | 477.4% (price as of 2026-08-20) |
| June 12, 2024 | PLTR | S 10b5-1 | 27,690 | $23.91 | $662,068 | 612,006 Direct | -4.33% | Disposed | 630.2% (price as of 2026-08-20) |
| May 22, 2024 | PLTR | S 10b5-1 | 2,398 | $21.30 | $51,077 | 639,696 Direct | -0.37% | Disposed | 719.7% (price as of 2026-08-20) |
| May 21, 2024 | PLTR | S 10b5-1 | 9,005 | $21.24 | $191,266 | 642,094 Direct | -1.38% | Disposed | 722.0% (price as of 2026-08-20) |
| May 20, 2024 | PLTR | S 10b5-1 | 10,907 | $21.43 | $233,737 | 651,099 Direct | -1.65% | Disposed | 714.7% (price as of 2026-08-20) |
| March 6, 2024 | PLTR | S 10b5-1 | 6,000 | $25.03 | $150,180 | 688,834 Direct | -0.86% | Disposed | 597.6% (price as of 2026-08-20) |
| March 6, 2024 | PLTR | S 10b5-1 | 25,728 | $26.14 | $672,530 | 663,106 Direct | -3.74% | Disposed | 567.9% (price as of 2026-08-20) |
| March 6, 2024 | PLTR | S 10b5-1 | 1,100 | $26.64 | $29,304 | 662,006 Direct | -0.17% | Disposed | 555.4% (price as of 2026-08-20) |
| Feb. 21, 2024 | PLTR | S 10b5-1 | 8,651 | $22.65 | $195,945 | 694,834 Direct | -1.23% | Disposed | 670.9% (price as of 2026-08-20) |
| Feb. 20, 2024 | PLTR | S 10b5-1 | 8,152 | $23.24 | $189,452 | 703,854 Direct | -1.14% | Disposed | 651.3% (price as of 2026-08-20) |
| Feb. 20, 2024 | PLTR | S 10b5-1 | 369 | $23.82 | $8,790 | 703,485 Direct | -0.05% | Disposed | 633.0% (price as of 2026-08-20) |
| Dec. 6, 2023 | PLTR | S 10b5-1 | 27,608 | $17.43 | $481,207 | 712,006 Direct | -3.73% | Disposed | 901.7% (price as of 2026-08-20) |
| Nov. 21, 2023 | PLTR | S 10b5-1 | 8,012 | $20.09 | $160,961 | 740,798 Direct | -1.07% | Disposed | 769.1% (price as of 2026-08-20) |
| Nov. 21, 2023 | PLTR | S 10b5-1 | 1,184 | $21.05 | $24,923 | 739,614 Direct | -0.16% | Disposed | 729.5% (price as of 2026-08-20) |
| Nov. 20, 2023 | PLTR | S 10b5-1 | 13,187 | $21.27 | $280,487 | 748,819 Direct | -1.73% | Disposed | 720.9% (price as of 2026-08-20) |
| Nov. 20, 2023 | PLTR | S 10b5-1 | 9 | $21.59 | $194 | 748,810 Direct | 0.00% | Disposed | 708.7% (price as of 2026-08-20) |
| Aug. 29, 2023 | PLTR | S 10b5-1 | 26,426 | $15.30 | $404,318 | 762,806 Direct | -3.35% | Disposed | 1041.2% (price as of 2026-08-20) |
| Aug. 29, 2023 | PLTR | S 10b5-1 | 800 | $15.56 | $12,448 | 762,006 Direct | -0.10% | Disposed | 1022.1% (price as of 2026-08-20) |
| Aug. 22, 2023 | PLTR | S 10b5-1 | 9,853 | $14.81 | $145,923 | 789,232 Direct | -1.23% | Disposed | 1078.9% (price as of 2026-08-20) |
| Aug. 21, 2023 | PLTR | S 10b5-1 | 12,921 | $14.55 | $188,001 | 799,085 Direct | -1.59% | Disposed | 1100.0% (price as of 2026-08-20) |
| Aug. 17, 2023 | PLTR | S 10b5-1 | 5,334 | $14.40 | $76,810 | 812,206 Direct | -0.65% | Disposed | 1112.5% (price as of 2026-08-20) |
| Aug. 17, 2023 | PLTR | S 10b5-1 | 200 | $15.36 | $3,072 | 812,006 Direct | -0.02% | Disposed | 1036.7% (price as of 2026-08-20) |
| Aug. 1, 2023 | PLTR | S 10b5-1 | 20,000 | $20.00 | $400,000 | 817,540 Direct | -2.39% | Disposed | 773.0% (price as of 2026-08-20) |
| June 7, 2023 | PLTR | S 10b5-1 | 25,511 | $14.77 | $376,797 | 839,304 Direct | -2.95% | Disposed | 1082.1% (price as of 2026-08-20) |
| June 7, 2023 | PLTR | S 10b5-1 | 14,131 | $16.09 | $227,368 | 825,173 Direct | -1.68% | Disposed | 985.1% (price as of 2026-08-20) |
| June 7, 2023 | PLTR | S 10b5-1 | 7,633 | $16.84 | $128,540 | 817,540 Direct | -0.93% | Disposed | 936.8% (price as of 2026-08-20) |
| May 22, 2023 | PLTR | S 10b5-1 | 17,362 | $11.76 | $204,177 | 864,815 Direct | -1.97% | Disposed | 1384.7% (price as of 2026-08-20) |
| Feb. 23, 2023 | PLTR | S 10b5-1 | 4,023 | $8.13 | $32,707 | 889,386 Direct | -0.45% | Disposed | 2047.6% (price as of 2026-08-20) |
| Feb. 23, 2023 | PLTR | S 10b5-1 | 7,209 | $8.03 | $57,888 | 882,177 Direct | -0.81% | Disposed | 2074.3% (price as of 2026-08-20) |
| Feb. 22, 2023 | PLTR | S 10b5-1 | 3,361 | $8.35 | $28,064 | 893,409 Direct | -0.37% | Disposed | 1991.0% (price as of 2026-08-20) |
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, 2024 | PLTR | Employee Stock Option (Right to buy) | Class A Common Stock (10,000) | $4.72 | June 3, 2030 | 10,000 | Disposed |
| Nov. 5, 2024 | PLTR | Employee Stock Option (Right to buy) | Class A Common Stock (10,000) | $4.72 | June 3, 2030 | 10,000 | Disposed |
| Oct. 4, 2024 | PLTR | Employee Stock Option (Right to buy) | Class A Common Stock (20,000) | $4.72 | June 3, 2030 | 20,000 | Disposed |
| Sept. 9, 2024 | PLTR | Employee Stock Option (Right to buy) | Class A Common Stock (20,000) | $4.72 | June 3, 2030 | 20,000 | Disposed |
| Aug. 12, 2024 | PLTR | Employee Stock Option (Right to buy) | Class A Common Stock (20,000) | $4.72 | June 3, 2030 | 20,000 | Disposed |
| Aug. 1, 2023 | PLTR | Employee Stock Option (Right to buy) | Class A Common Stock (20,000) | $4.72 | June 3, 2030 | 20,000 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 7 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Feb. 23, 2023 | PLTR | Class A Common Stock | 213,023 | Direct |
| Feb. 23, 2023 | PLTR | Class A Common Stock | 8,130 | Indirect |
| Feb. 23, 2023 | PLTR | Employee Stock Option (Right to buy)→ Class A Common Stock (32,986) | 32,986 | Direct |
| Feb. 23, 2023 | PLTR | Employee Stock Option (Right to buy)→ Class A Common Stock (20,321) | 20,321 | Direct |
| Feb. 23, 2023 | PLTR | Employee Stock Option (Right to buy)→ Class A Common Stock (3,145) | 3,145 | Direct |
| Feb. 23, 2023 | PLTR | Employee Stock Option (Right to buy)→ Class A Common Stock (7,000) | 7,000 | Direct |
| Feb. 23, 2023 | PLTR | Employee Stock Option (Right to buy)→ Class A Common Stock (50,000) | 50,000 | Direct |