Stapley Marc, CEO, sold Glaukos Corp ($GKOS) shares on the open market five times in the last year, totaling $1.92 million, with the latest on January 22, 2026. These sales rank 3,597th among insiders by value. He also sold Veracyte Inc ($VCYT) shares five times for $2.23 million, most recently on March 4, 2026, ranking 3,283rd. Among nearly 12,000 insiders, the average sale is $8.6 million over 6.4 transactions. Stapley Marc made no open market purchases.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 6, 2026 | VERACYTE, INC. | $VCYT | Stapley Marc | Chief Executive Officer | A | Common Stock | 92099 | $0.00 | 449,653.0000 | 79,946,386 | 25.76% | 0.12% |
| March 4, 2026 | VERACYTE, INC. | $VCYT | Stapley Marc | Chief Executive Officer | S | Common Stock | 19244 | $35.56 | 383,833.0000 | 79,946,386 | 4.77% | 0.02% |
| March 4, 2026 | VERACYTE, INC. | $VCYT | Stapley Marc | Chief Executive Officer | S | Common Stock | 26279 | $36.28 | 357,554.0000 | 79,946,386 | 6.85% | 0.03% |
| March 2, 2026 | VERACYTE, INC. | $VCYT | Stapley Marc | Chief Executive Officer | F | Common Stock | 19455 | $36.01 | 403,077.0000 | 79,946,386 | 4.60% | 0.02% |
| Feb. 26, 2026 | VERACYTE, INC. | $VCYT | Stapley Marc | Chief Executive Officer | F | Common Stock | 35841 | $38.75 | 422,532.0000 | 79,946,386 | 7.82% | 0.04% |
| Feb. 26, 2026 | VERACYTE, INC. | $VCYT | Stapley Marc | Chief Executive Officer | A | Common Stock | 139074 | $0.00 | 458,373.0000 | 79,946,386 | 43.56% | 0.17% |
| Jan. 22, 2026 | GLAUKOS Corp | $GKOS | Stapley Marc | Not found | S | Common Stock | 1671 | $127.92 | 43,074.0000 | 57,190,000 | 3.73% | 0.00% |
| Jan. 22, 2026 | GLAUKOS Corp | $GKOS | Stapley Marc | Not found | S | Common Stock | 1300 | $129.78 | 37,449.0000 | 57,190,000 | 3.35% | 0.00% |
| Jan. 22, 2026 | GLAUKOS Corp | $GKOS | Stapley Marc | Not found | M | Stock Option (Right to Buy) | 15000 | $0.00 | 0.0000 | 57,190,000 | 100.00% | 0.03% |
| Jan. 22, 2026 | GLAUKOS Corp | $GKOS | Stapley Marc | Not found | S | Common Stock | 4325 | $129.11 | 38,749.0000 | 57,190,000 | 10.04% | 0.01% |
| Jan. 22, 2026 | GLAUKOS Corp | $GKOS | Stapley Marc | Not found | S | Common Stock | 3892 | $126.96 | 44,745.0000 | 57,190,000 | 8.00% | 0.01% |
| Jan. 22, 2026 | GLAUKOS Corp | $GKOS | Stapley Marc | Not found | S | Common Stock | 3812 | $126.07 | 48,637.0000 | 57,190,000 | 7.27% | 0.01% |
| Jan. 22, 2026 | GLAUKOS Corp | $GKOS | Stapley Marc | Not found | M | Common Stock | 15000 | $24.69 | 52,449.0000 | 57,190,000 | 40.05% | 0.03% |
| Jan. 2, 2026 | GLAUKOS Corp | $GKOS | Stapley Marc | Not found | A | Common Stock | 727 | $0.00 | 37,449.0000 | 57,190,000 | 1.98% | 0.00% |
| Dec. 2, 2025 | VERACYTE, INC. | $VCYT | Stapley Marc | Chief Executive Officer | F | Common Stock | 7914 | $46.16 | 326,271.0000 | 79,946,386 | 2.37% | 0.01% |
| Dec. 4, 2025 | VERACYTE, INC. | $VCYT | Stapley Marc | Chief Executive Officer | S | Common Stock | 3220 | $47.35 | 318,603.0000 | 79,946,386 | 1.00% | 0.00% |
| Dec. 4, 2025 | VERACYTE, INC. | $VCYT | Stapley Marc | Chief Executive Officer | S | Common Stock | 4448 | $46.90 | 321,823.0000 | 79,946,386 | 1.36% | 0.01% |
| Sept. 4, 2025 | VERACYTE, INC. | $VCYT | Stapley Marc | Chief Executive Officer | S | Common Stock | 7667 | $30.41 | 334,185.0000 | 78,163,217 | 2.24% | 0.01% |
| Sept. 2, 2025 | VERACYTE, INC. | $VCYT | Stapley Marc | Chief Executive Officer | F | Common Stock | 7914 | $30.11 | 341,852.0000 | 78,163,217 | 2.26% | 0.01% |
| June 2, 2025 | VERACYTE, INC. | $VCYT | Stapley Marc | Chief Executive Officer | F | Common Stock | 9399 | $26.74 | 349,237.0000 | 78,163,217 | 2.62% | 0.01% |
| Jan. 2, 2025 | GLAUKOS Corp | $GKOS | Stapley Marc | Not found | A | Common Stock | 538 | $0.00 | 34,614.0000 | 52,755,000 | 1.58% | 0.00% |
| May 29, 2025 | GLAUKOS Corp | $GKOS | Stapley Marc | Not found | A | Common Stock | 2108 | $0.00 | 36,722.0000 | 56,637,000 | 6.09% | 0.00% |
| May 29, 2025 | GLAUKOS Corp | $GKOS | Stapley Marc | Not found | A | Stock Option (Right to Buy) | 3149 | $0.00 | 3,149.0000 | 56,637,000 | 9999.99% | 0.01% |
| March 6, 2025 | VERACYTE, INC. | $VCYT | Stapley Marc | Chief Executive Officer | A | Common Stock | 90601 | $0.00 | 358,636.0000 | 78,163,217 | 33.80% | 0.12% |
| March 4, 2025 | VERACYTE, INC. | $VCYT | Stapley Marc | Chief Executive Officer | S | Common Stock | 23414 | $33.91 | 269,129.0000 | 78,163,217 | 8.00% | 0.03% |
| March 4, 2025 | VERACYTE, INC. | $VCYT | Stapley Marc | Chief Executive Officer | S | Common Stock | 28189 | $32.82 | 292,543.0000 | 78,163,217 | 8.79% | 0.04% |
| March 4, 2025 | VERACYTE, INC. | $VCYT | Stapley Marc | Chief Executive Officer | S | Common Stock | 1094 | $34.37 | 268,035.0000 | 78,163,217 | 0.41% | 0.00% |
| Feb. 27, 2025 | VERACYTE, INC. | $VCYT | Stapley Marc | Chief Executive Officer | A | Common Stock | 67277 | $0.00 | 375,329.0000 | 78,163,217 | 21.84% | 0.09% |
| Feb. 27, 2025 | VERACYTE, INC. | $VCYT | Stapley Marc | Chief Executive Officer | F | Common Stock | 34273 | $33.84 | 341,056.0000 | 78,163,217 | 9.13% | 0.04% |
| March 2, 2025 | VERACYTE, INC. | $VCYT | Stapley Marc | Chief Executive Officer | F | Common Stock | 20324 | $34.76 | 320,732.0000 | 78,163,217 | 5.96% | 0.03% |
| Dec. 13, 2024 | VERACYTE, INC. | $VCYT | Stapley Marc | Chief Executive Officer | S | Common Stock | 5190 | $43.37 | 307,745.0000 | 78,465,000 | 1.66% | 0.01% |
| Dec. 13, 2024 | VERACYTE, INC. | $VCYT | Stapley Marc | Chief Executive Officer | S | Common Stock | 400 | $44.14 | 307,345.0000 | 78,465,000 | 0.13% | 0.00% |
| Dec. 2, 2024 | VERACYTE, INC. | $VCYT | Stapley Marc | Chief Executive Officer | F | Common Stock | 5748 | $44.12 | 312,935.0000 | 78,465,000 | 1.80% | 0.01% |
| Sept. 2, 2024 | VERACYTE, INC. | $VCYT | Stapley Marc | Chief Executive Officer | F | Common Stock | 5748 | $31.55 | 318,683.0000 | 72,644,487 | 1.77% | 0.01% |
| Aug. 15, 2024 | GLAUKOS Corp | $GKOS | Stapley Marc | Not found | S | Common Stock | 581 | $126.91 | 34,076.0000 | 50,715,000 | 1.68% | 0.00% |
| Aug. 15, 2024 | GLAUKOS Corp | $GKOS | Stapley Marc | Not found | S | Common Stock | 1110 | $125.28 | 38,616.0000 | 50,715,000 | 2.79% | 0.00% |
| Aug. 15, 2024 | GLAUKOS Corp | $GKOS | Stapley Marc | Not found | S | Common Stock | 3959 | $126.27 | 34,657.0000 | 50,715,000 | 10.25% | 0.01% |
| Aug. 15, 2024 | GLAUKOS Corp | $GKOS | Stapley Marc | Not found | M | Stock Option (Right to Buy) | 6250 | $0.00 | 0.0000 | 50,715,000 | 100.00% | 0.01% |
| Aug. 15, 2024 | GLAUKOS Corp | $GKOS | Stapley Marc | Not found | M | Common Stock | 6250 | $32.00 | 40,326.0000 | 50,715,000 | 18.34% | 0.01% |
| Aug. 15, 2024 | GLAUKOS Corp | $GKOS | Stapley Marc | Not found | S | Common Stock | 600 | $123.98 | 39,726.0000 | 50,715,000 | 1.49% | 0.00% |
| June 2, 2024 | VERACYTE, INC. | $VCYT | Stapley Marc | Chief Executive Officer | F | Common Stock | 5746 | $20.75 | 323,994.0000 | 72,644,487 | 1.74% | 0.01% |
| May 30, 2024 | GLAUKOS Corp | $GKOS | Stapley Marc | Not found | A | Stock Option (Right to Buy) | 1246 | $0.00 | 1,246.0000 | 49,580,000 | 9999.99% | 0.00% |
| May 30, 2024 | GLAUKOS Corp | $GKOS | Stapley Marc | Not found | A | Common Stock | 1716 | $0.00 | 34,076.0000 | 49,580,000 | 5.30% | 0.00% |
| May 15, 2024 | GLAUKOS Corp | $GKOS | Stapley Marc | Not found | M | Stock Option (Right to Buy) | 6250 | $0.00 | 6,250.0000 | 49,580,000 | 50.00% | 0.01% |
| May 15, 2024 | GLAUKOS Corp | $GKOS | Stapley Marc | Not found | S | Common Stock | 2000 | $113.68 | 32,360.0000 | 49,580,000 | 5.82% | 0.00% |
| May 15, 2024 | GLAUKOS Corp | $GKOS | Stapley Marc | Not found | S | Common Stock | 2200 | $112.91 | 34,360.0000 | 49,580,000 | 6.02% | 0.00% |
| May 15, 2024 | GLAUKOS Corp | $GKOS | Stapley Marc | Not found | S | Common Stock | 2050 | $111.82 | 36,560.0000 | 49,580,000 | 5.31% | 0.00% |
| May 15, 2024 | GLAUKOS Corp | $GKOS | Stapley Marc | Not found | M | Common Stock | 6250 | $32.00 | 38,610.0000 | 49,580,000 | 19.31% | 0.01% |
| March 15, 2024 | VERACYTE, INC. | $VCYT | Stapley Marc | Chief Executive Officer | F | Common Stock | 5971 | $21.10 | 329,740.0000 | 72,644,487 | 1.78% | 0.01% |
| March 15, 2024 | VERACYTE, INC. | $VCYT | Stapley Marc | Chief Executive Officer | A | Common Stock | 11780 | $0.00 | 335,711.0000 | 72,644,487 | 3.64% | 0.02% |
| March 6, 2024 | VERACYTE, INC. | $VCYT | Stapley Marc | Chief Executive Officer | A | Common Stock | 114724 | $0.00 | 323,931.0000 | 72,644,487 | 54.84% | 0.16% |
| March 2, 2024 | VERACYTE, INC. | $VCYT | Stapley Marc | Chief Executive Officer | F | Common Stock | 13286 | $24.00 | 209,207.0000 | 72,644,487 | 5.97% | 0.02% |
| Feb. 29, 2024 | GLAUKOS Corp | $GKOS | Stapley Marc | Not found | S | Common Stock | 1500 | $90.54 | 34,673.0000 | 48,433,000 | 4.15% | 0.00% |
| Feb. 29, 2024 | GLAUKOS Corp | $GKOS | Stapley Marc | Not found | M | Stock Option (Right to Buy) | 6250 | $0.00 | 12,500.0000 | 48,433,000 | 33.33% | 0.01% |
| Feb. 29, 2024 | GLAUKOS Corp | $GKOS | Stapley Marc | Not found | S | Common Stock | 2313 | $91.21 | 32,360.0000 | 48,433,000 | 6.67% | 0.00% |
| Feb. 29, 2024 | GLAUKOS Corp | $GKOS | Stapley Marc | Not found | M | Common Stock | 6250 | $32.00 | 38,610.0000 | 48,433,000 | 19.31% | 0.01% |
| Jan. 2, 2024 | GLAUKOS Corp | $GKOS | Stapley Marc | Not found | A | Common Stock | 1044 | $0.00 | 32,360.0000 | 48,433,000 | 3.33% | 0.00% |
| Feb. 29, 2024 | GLAUKOS Corp | $GKOS | Stapley Marc | Not found | S | Common Stock | 2437 | $88.76 | 36,173.0000 | 48,433,000 | 6.31% | 0.01% |
| Jan. 2, 2024 | GLAUKOS Corp | $GKOS | Stapley Marc | Not found | A | Common Stock | 1082 | $0.00 | 32,398.0000 | 48,433,000 | 3.46% | 0.00% |
| Dec. 2, 2023 | VERACYTE, INC. | $VCYT | Stapley Marc | Chief Executive Officer | F | Common Stock | 3203 | $26.54 | 221,882.0000 | 71,549,204 | 1.42% | 0.00% |
| Sept. 2, 2023 | VERACYTE, INC. | $VCYT | Stapley Marc | Chief Executive Officer | F | Common Stock | 3204 | $26.70 | 225,085.0000 | 71,549,204 | 1.40% | 0.00% |
| June 2, 2023 | VERACYTE, INC. | $VCYT | Stapley Marc | Chief Executive Officer | F | Common Stock | 3203 | $26.72 | 227,696.0000 | 71,549,204 | 1.39% | 0.00% |
| March 6, 2023 | VERACYTE, INC. | $VCYT | Stapley Marc | Chief Executive Officer | A | Common Stock | 78044 | $0.00 | 230,899.0000 | 71,549,204 | 51.06% | 0.11% |
| March 6, 2023 | VERACYTE, INC. | $VCYT | Stapley Marc | Chief Executive Officer | A | Stock Option (right to buy) | 128869 | $0.00 | 128,869.0000 | 71,549,204 | 9999.99% | 0.18% |
| March 2, 2023 | VERACYTE, INC. | $VCYT | Stapley Marc | Chief Executive Officer | F | Common Stock | 6029 | $24.10 | 152,855.0000 | 71,549,204 | 3.79% | 0.01% |