Katrin Suder
Insider
First SEC filing: Sept. 12, 2019 · Latest: June 8, 2026
Insider at
Insider transactions
0 buys (P)
3 sells (S)
Net: $-879,154
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 30, 2026 | NET | A | 842 | · | · | 38,272 Direct | +2.25% | Acquired | (price as of 2026-10-05) |
| June 8, 2026 | NET | S 10b5-1 | 293 | $252.92 | $74,106 | 37,430 Direct | -0.78% | Disposed | 42.1% (price as of 2026-10-05) |
| Dec. 22, 2025 | NET | S 10b5-1 | 2,031 | $200.00 | $406,200 | 37,723 Direct | -5.11% | Disposed | 79.7% (price as of 2026-10-05) |
| Nov. 19, 2025 | NET | S 10b5-1 | 2,031 | $196.38 | $398,848 | 39,754 Direct | -4.86% | Disposed | 83.1% (price as of 2026-10-05) |
| June 5, 2025 | NET | A | 1,172 | · | · | 42,393 Direct | +2.84% | Acquired | (price as of 2026-10-05) |
| June 5, 2025 | NET | S 10b5-1 | 608 | $172.00 | $104,576 | 41,785 Direct | -1.43% | Disposed | 109.0% (price as of 2026-10-05) |
| Feb. 25, 2025 | NET | S 10b5-1 | 1,581 | $143.47 | $226,826 | 49,581 Direct | -3.09% | Disposed | 150.6% (price as of 2026-10-05) |
| Feb. 25, 2025 | NET | S 10b5-1 | 950 | $144.31 | $137,094 | 48,631 Direct | -1.92% | Disposed | 149.1% (price as of 2026-10-05) |
| Feb. 25, 2025 | NET | S 10b5-1 | 3,349 | $145.98 | $488,887 | 45,282 Direct | -6.89% | Disposed | 146.3% (price as of 2026-10-05) |
| Feb. 25, 2025 | NET | S 10b5-1 | 4,061 | $146.96 | $596,805 | 41,221 Direct | -8.97% | Disposed | 144.6% (price as of 2026-10-05) |
| June 4, 2024 | NET | A | 3,039 | · | · | 51,736 Direct | +6.24% | Acquired | (price as of 2026-10-05) |
| June 4, 2024 | NET | S 10b5-1 | 574 | $67.11 | $38,521 | 51,162 Direct | -1.11% | Disposed | 435.7% (price as of 2026-10-05) |
| Aug. 16, 2023 | NET | S 10b5-1 | 1,500 | $62.60 | $93,900 | 48,697 Direct | -2.99% | Disposed | 474.3% (price as of 2026-10-05) |
| Aug. 15, 2023 | NET | M | 7,500 | · | · | 7,500 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 15, 2023 | NET | M | 7,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 15, 2023 | NET | C | 7,500 | · | · | 50,197 Direct | +17.57% | Acquired | (price as of 2026-10-05) |
| Aug. 15, 2023 | NET | C | 7,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| June 5, 2023 | NET | S 10b5-1 | 691 | $67.50 | $46,642 | 42,697 Direct | -1.59% | Disposed | 432.6% (price as of 2026-10-05) |
| June 1, 2023 | NET | S 10b5-1 | 2,500 | $70.00 | $175,000 | 43,388 Direct | -5.45% | Disposed | 413.6% (price as of 2026-10-05) |
| June 1, 2023 | NET | A | 2,871 | · | · | 45,888 Direct | +6.67% | Acquired | (price as of 2026-10-05) |
| May 30, 2023 | NET | S 10b5-1 | 5,056 | $64.10 | $324,090 | 43,017 Direct | -10.52% | Disposed | 460.8% (price as of 2026-10-05) |
| May 30, 2023 | NET | S 10b5-1 | 3,944 | $63.08 | $248,788 | 48,073 Direct | -7.58% | Disposed | 469.9% (price as of 2026-10-05) |
| May 15, 2023 | NET | C | 7,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 15, 2023 | NET | M | 7,500 | · | · | 7,500 Direct | · | Acquired | (price as of 2026-10-05) |
| May 15, 2023 | NET | M | 7,500 | · | · | 7,500 Direct | -50.00% | Disposed | (price as of 2026-10-05) |
| May 15, 2023 | NET | C | 7,500 | · | · | 52,017 Direct | +16.85% | Acquired | (price as of 2026-10-05) |
| Feb. 15, 2023 | NET | C | 7,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Feb. 15, 2023 | NET | M | 7,500 | · | · | 7,500 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 15, 2023 | NET | M | 7,500 | · | · | 15,000 Direct | -33.33% | Disposed | (price as of 2026-10-05) |
| Feb. 15, 2023 | NET | C | 7,500 | · | · | 44,517 Direct | +20.26% | Acquired | (price as of 2026-10-05) |
| Nov. 15, 2022 | NET | C | 7,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Nov. 15, 2022 | NET | M | 7,500 | · | · | 7,500 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 15, 2022 | NET | M | 7,500 | · | · | 22,500 Direct | -25.00% | Disposed | (price as of 2026-10-05) |
| Nov. 15, 2022 | NET | C | 7,500 | · | · | 37,017 Direct | +25.41% | Acquired | (price as of 2026-10-05) |
| Aug. 15, 2022 | NET | C | 7,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 15, 2022 | NET | M | 7,500 | · | · | 7,500 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 15, 2022 | NET | M | 7,500 | · | · | 30,000 Direct | -20.00% | Disposed | (price as of 2026-10-05) |
| Aug. 15, 2022 | NET | C | 7,500 | · | · | 29,517 Direct | +34.06% | Acquired | (price as of 2026-10-05) |
| June 2, 2022 | NET | A | 3,454 | · | · | 22,017 Direct | +18.61% | Acquired | (price as of 2026-10-05) |
| May 16, 2022 | NET | C | 8,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 16, 2022 | NET | C | 8,500 | · | · | 18,563 Direct | +84.47% | Acquired | (price as of 2026-10-05) |
| May 15, 2022 | NET | C | 7,500 | · | · | 8,500 Direct | -46.88% | Disposed | (price as of 2026-10-05) |
| May 15, 2022 | NET | M | 7,500 | · | · | 16,000 Direct | +88.24% | Acquired | (price as of 2026-10-05) |
| May 15, 2022 | NET | M | 7,500 | · | · | 37,500 Direct | -16.67% | Disposed | (price as of 2026-10-05) |
| May 15, 2022 | NET | C | 7,500 | · | · | 10,063 Direct | +292.63% | Acquired | (price as of 2026-10-05) |
| Feb. 15, 2022 | NET | M | 7,500 | · | · | 8,500 Direct | +750.00% | Acquired | (price as of 2026-10-05) |
| Feb. 15, 2022 | NET | M | 7,500 | · | · | 45,000 Direct | -14.29% | Disposed | (price as of 2026-10-05) |
| Jan. 18, 2022 | NET | S 10b5-1 | 2,570 | $96.96 | $249,187 | 2,563 Direct | -50.07% | Disposed | 270.8% (price as of 2026-10-05) |
| Jan. 18, 2022 | NET | S 10b5-1 | 1,000 | $95.63 | $95,630 | 5,133 Direct | -16.31% | Disposed | 275.9% (price as of 2026-10-05) |
| Jan. 18, 2022 | NET | S 10b5-1 | 2,930 | $94.88 | $277,998 | 6,133 Direct | -32.33% | Disposed | 278.9% (price as of 2026-10-05) |
| Dec. 15, 2021 | NET | C | 6,500 | · | · | 1,000 Direct | -86.67% | Disposed | (price as of 2026-10-05) |
| Dec. 15, 2021 | NET | S 10b5-1 | 100 | $134.46 | $13,446 | 9,063 Direct | -1.09% | Disposed | 167.4% (price as of 2026-10-05) |
| Dec. 15, 2021 | NET | S 10b5-1 | 715 | $133.83 | $95,688 | 9,163 Direct | -7.24% | Disposed | 168.6% (price as of 2026-10-05) |
| Dec. 15, 2021 | NET | S 10b5-1 | 3,785 | $132.13 | $500,112 | 9,878 Direct | -27.70% | Disposed | 172.1% (price as of 2026-10-05) |
| Dec. 15, 2021 | NET | S 10b5-1 | 500 | $131.27 | $65,635 | 13,663 Direct | -3.53% | Disposed | 173.9% (price as of 2026-10-05) |
| Dec. 15, 2021 | NET | S 10b5-1 | 1,400 | $130.32 | $182,448 | 14,163 Direct | -9.00% | Disposed | 175.9% (price as of 2026-10-05) |
| Dec. 15, 2021 | NET | C | 6,500 | · | · | 15,563 Direct | +71.72% | Acquired | (price as of 2026-10-05) |
| Nov. 15, 2021 | NET | M | 7,500 | · | · | 7,500 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 15, 2021 | NET | M | 7,500 | · | · | 52,500 Direct | -12.50% | Disposed | (price as of 2026-10-05) |
| Aug. 17, 2021 | NET | C | 7,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 17, 2021 | NET | S 10b5-1 | 100 | $121.17 | $12,117 | 9,063 Direct | -1.09% | Disposed | 196.7% (price as of 2026-10-05) |
| Aug. 17, 2021 | NET | S 10b5-1 | 3,845 | $120.41 | $462,976 | 9,163 Direct | -29.56% | Disposed | 198.6% (price as of 2026-10-05) |
| Aug. 17, 2021 | NET | S 10b5-1 | 3,555 | $119.63 | $425,285 | 13,008 Direct | -21.46% | Disposed | 200.5% (price as of 2026-10-05) |
| Aug. 17, 2021 | NET | C | 7,500 | · | · | 16,563 Direct | +82.75% | Acquired | (price as of 2026-10-05) |
| Aug. 15, 2021 | NET | M | 7,500 | · | · | 7,500 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 15, 2021 | NET | M | 7,500 | · | · | 60,000 Direct | -11.11% | Disposed | (price as of 2026-10-05) |
| June 3, 2021 | NET | A | 2,441 | · | · | 9,063 Direct | +36.86% | Acquired | (price as of 2026-10-05) |
| May 17, 2021 | NET | C | 7,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 17, 2021 | NET | S 10b5-1 | 2,448 | $70.52 | $172,633 | 6,622 Direct | -26.99% | Disposed | 409.8% (price as of 2026-10-05) |
| May 17, 2021 | NET | S 10b5-1 | 5,052 | $69.49 | $351,063 | 9,070 Direct | -35.77% | Disposed | 417.3% (price as of 2026-10-05) |
| May 17, 2021 | NET | C | 7,500 | · | · | 14,122 Direct | +113.26% | Acquired | (price as of 2026-10-05) |
| May 15, 2021 | NET | M | 7,500 | · | · | 7,500 Direct | · | Acquired | (price as of 2026-10-05) |
| May 15, 2021 | NET | M | 7,500 | · | · | 67,500 Direct | -10.00% | Disposed | (price as of 2026-10-05) |
| May 10, 2021 | NET | C | 32,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 10, 2021 | NET | S 10b5-1 | 7,651 | $69.54 | $532,051 | 6,622 Direct | -53.60% | Disposed | 417.0% (price as of 2026-10-05) |
| May 10, 2021 | NET | S 10b5-1 | 852 | $67.99 | $57,927 | 14,273 Direct | -5.63% | Disposed | 428.7% (price as of 2026-10-05) |
| May 10, 2021 | NET | S 10b5-1 | 23,497 | $67.21 | $1,579,233 | 15,125 Direct | -60.84% | Disposed | 434.9% (price as of 2026-10-05) |
| May 10, 2021 | NET | C | 32,000 | · | · | 38,622 Direct | +483.24% | Acquired | (price as of 2026-10-05) |
| Feb. 15, 2021 | NET | M | 7,500 | · | · | 32,000 Direct | +30.61% | Acquired | (price as of 2026-10-05) |
| Feb. 15, 2021 | NET | M | 7,500 | · | · | 75,000 Direct | -9.09% | Disposed | (price as of 2026-10-05) |
| Nov. 15, 2020 | NET | M | 7,500 | · | · | 24,500 Direct | +44.12% | Acquired | (price as of 2026-10-05) |
| Nov. 15, 2020 | NET | M | 7,500 | · | · | 82,500 Direct | -8.33% | Disposed | (price as of 2026-10-05) |
| Aug. 15, 2020 | NET | M | 7,500 | · | · | 90,000 Direct | -7.69% | Disposed | (price as of 2026-10-05) |
| Aug. 15, 2020 | NET | M | 7,500 | · | · | 17,000 Direct | +78.95% | Acquired | (price as of 2026-10-05) |
| Aug. 12, 2020 | NET | C | 5,500 | · | · | 9,500 Direct | -36.67% | Disposed | (price as of 2026-10-05) |
| Aug. 12, 2020 | NET | S 10b5-1 | 5,500 | $40.00 | $220,000 | 6,622 Direct | -45.37% | Disposed | 798.7% (price as of 2026-10-05) |
| Aug. 12, 2020 | NET | C | 5,500 | · | · | 12,122 Direct | +83.06% | Acquired | (price as of 2026-10-05) |
| Aug. 11, 2020 | NET | C | 7,500 | · | · | 15,000 Direct | -33.33% | Disposed | (price as of 2026-10-05) |
| Aug. 11, 2020 | NET | S 10b5-1 | 5,687 | $37.72 | $214,514 | 6,622 Direct | -46.20% | Disposed | 853.0% (price as of 2026-10-05) |
| Aug. 11, 2020 | NET | S 10b5-1 | 1,813 | $36.74 | $66,610 | 12,309 Direct | -12.84% | Disposed | 878.5% (price as of 2026-10-05) |
| Aug. 11, 2020 | NET | C | 7,500 | · | · | 14,122 Direct | +113.26% | Acquired | (price as of 2026-10-05) |
| June 2, 2020 | NET | A | 6,622 | · | · | 6,622 Direct | · | Acquired | (price as of 2026-10-05) |
| May 15, 2020 | NET | M | 7,500 | · | · | 22,500 Direct | +50.00% | Acquired | (price as of 2026-10-05) |
| May 15, 2020 | NET | M | 7,500 | · | · | 97,500 Direct | -7.14% | Disposed | (price as of 2026-10-05) |
| Feb. 19, 2020 | NET | M | 15,000 | · | · | 15,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 19, 2020 | NET | M | 15,000 | · | · | 105,000 Direct | -12.50% | Disposed | (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 |
|---|---|---|---|---|---|---|---|
| Aug. 15, 2023 | NET | Class B Common Stock | Class A Common Stock | · | · | 7,500 | Acquired |
| Aug. 15, 2023 | NET | Restricted Stock Units | Class B Common Stock [F1] | · | · | 7,500 | Disposed |
| Aug. 15, 2023 | NET | Class B Common Stock | Class A Common Stock | · | · | 7,500 | Disposed |
| May 15, 2023 | NET | Class B Common Stock | Class A Common Stock | · | · | 7,500 | Disposed |
| May 15, 2023 | NET | Class B Common Stock | Class A Common Stock | · | · | 7,500 | Acquired |
| May 15, 2023 | NET | Restricted Stock Units | Class B Common Stock [F1] | · | · | 7,500 | Disposed |
| Feb. 15, 2023 | NET | Class B Common Stock | Class A Common Stock | · | · | 7,500 | Disposed |
| Feb. 15, 2023 | NET | Class B Common Stock | Class A Common Stock | · | · | 7,500 | Acquired |
| Feb. 15, 2023 | NET | Restricted Stock Units | Class B Common Stock [F1] | · | · | 7,500 | Disposed |
| Nov. 15, 2022 | NET | Class B Common Stock | Class A Common Stock | · | · | 7,500 | Disposed |
| Nov. 15, 2022 | NET | Class B Common Stock | Class A Common Stock | · | · | 7,500 | Acquired |
| Nov. 15, 2022 | NET | Restricted Stock Units | Class B Common Stock [F1] | · | · | 7,500 | Disposed |
| Aug. 15, 2022 | NET | Class B Common Stock | Class A Common Stock | · | · | 7,500 | Disposed |
| Aug. 15, 2022 | NET | Class B Common Stock | Class A Common Stock | · | · | 7,500 | Acquired |
| Aug. 15, 2022 | NET | Restricted Stock Units | Class B Common Stock [F1] | · | · | 7,500 | Disposed |
| May 16, 2022 | NET | Class B Common Stock | Class A Common Stock | · | · | 8,500 | Disposed |
| May 15, 2022 | NET | Class B Common Stock | Class A Common Stock | · | · | 7,500 | Disposed |
| May 15, 2022 | NET | Class B Common Stock | Class A Common Stock | · | · | 7,500 | Acquired |
| May 15, 2022 | NET | Restricted Stock Units | Class B Common Stock [F1] | · | · | 7,500 | Disposed |
| Feb. 15, 2022 | NET | Class B Common Stock | Class A Common Stock | · | · | 7,500 | Acquired |
| Feb. 15, 2022 | NET | Restricted Stock Units | Class B Common Stock [F3] | · | · | 7,500 | Disposed |
| Dec. 15, 2021 | NET | Class B Common Stock | Class A Common Stock | · | · | 6,500 | Disposed |
| Nov. 15, 2021 | NET | Class B Common Stock | Class A Common Stock | · | · | 7,500 | Acquired |
| Nov. 15, 2021 | NET | Restricted Stock Units | Class B Common Stock [F3] | · | · | 7,500 | Disposed |
| Aug. 17, 2021 | NET | Class B Common Stock | Class A Common Stock | · | · | 7,500 | Disposed |
| Aug. 15, 2021 | NET | Class B Common Stock | Class A Common Stock | · | · | 7,500 | Acquired |
| Aug. 15, 2021 | NET | Restricted Stock Units | Class B Common Stock [F1] | · | · | 7,500 | Disposed |
| May 17, 2021 | NET | Class B Common Stock | Class A Common Stock | · | · | 7,500 | Disposed |
| May 15, 2021 | NET | Class B Common Stock | Class A Common Stock | · | · | 7,500 | Acquired |
| May 15, 2021 | NET | Restricted StockUnits | Class B Common Stock [F1] | · | · | 7,500 | Disposed |
| May 10, 2021 | NET | Class B Common Stock | Class A Common Stock | · | · | 32,000 | Disposed |
| Feb. 15, 2021 | NET | Class B Common Stock | Class A Common Stock | · | · | 7,500 | Acquired |
| Feb. 15, 2021 | NET | Restricted StockUnits | Class B Common Stock [F3] | · | · | 7,500 | Disposed |
| Nov. 15, 2020 | NET | Class B Common Stock | Class A Common Stock | · | · | 7,500 | Acquired |
| Nov. 15, 2020 | NET | Restricted Stock Units | Class B Common Stock [F3] | · | · | 7,500 | Disposed |
| Aug. 15, 2020 | NET | Restricted Stock Units | Class B Common Stock [F3] | · | · | 7,500 | Disposed |
| Aug. 15, 2020 | NET | Class B Common Stock | Class A Common Stock | · | · | 7,500 | Acquired |
| Aug. 12, 2020 | NET | Class B Common Stock | Class A Common Stock | · | · | 5,500 | Disposed |
| Aug. 11, 2020 | NET | Class B Common Stock | Class A Common Stock | · | · | 7,500 | Disposed |
| May 15, 2020 | NET | Class B Common Stock | Class A Common Stock | · | · | 7,500 | Acquired |
| May 15, 2020 | NET | Restricted Stock Units | Class B Common Stock [F3] | · | · | 7,500 | Disposed |
| Feb. 19, 2020 | NET | Class B Common Stock | Class A Common Stock | · | · | 15,000 | Acquired |
| Feb. 19, 2020 | NET | Restricted Stock Units | Class B Common Stock [F3] | · | · | 15,000 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Sept. 12, 2019 | NET | Restricted Stock Units | 120,000 | Direct |