MGNI · ISSUER CIK 1595974
MAGNITE, INC.
Between Aug 1, 2026 and Oct 29, 2026, 13 MAGNITE, INC. insiders reported $0.00 of open-market purchases and $16.5M of sales on SEC Form 4.
↗13 insiders filed
Original Form 4 filings from Aug 1, 2026 to Oct 29, 2026. 18 of 21 sales were reported under a 10b5-1 plan.
$0.00Insider buying
$16.5MInsider selling
−$16.5MNet open-market
Oct 14, 2026Latest filing
| Ticker | Insider | Type | Owned | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 14, 202616:30 | Oct 12, 2026 | MGNI | Director | S · Sell10b5-1 | $25.29 | −12,500 | 124,901 | -9% | −$316K | ||
| Oct 2, 202616:26 | Oct 1, 2026 | MGNI | CHIEF ACCOUNTING OFFICER | A · Grant | — | +24,641 | 97,554 | +34% | — | ||
| Oct 2, 202616:21 | Oct 1, 2026 | MGNI | CHIEF FINANCIAL OFFICER | A · Grant | — | +64,682 | 167,010 | +63% | — | ||
| Sep 18, 202616:06 | Sep 17, 2026 | MGNI | Director | S · Sell10b5-1 | $26.50 | −7,500 | 137,401 | -5% | −$199K | ||
| Sep 18, 202616:05 | Sep 17, 2026 | MGNI | Director | S · Sell10b5-1 | $26.28 | −37,337 | 51,136 | -42% | −$981K | ||
| Sep 16, 202616:23 | Sep 14, 2026 | MGNI | CHIEF TECHNOLOGY OFFICER | S · Sell10b5-1 | $24.00 | −1,165 | 245,155 | -0% | −$28K | ||
| Sep 16, 202616:20 | Sep 14, 2026 | MGNI | Director | S · Sell | $23.76 | −10,363 | 57,715 | -15% | −$246K | ||
| Sep 16, 202616:20 | Sep 14, 2026 | MGNI | Director | M · Exercise | $5.17 | +10,363 | 68,078 | +18% | $54K | ||
| Sep 11, 202616:19 | Sep 11, 2026 | MGNI | See Remarks | S · Sell10b5-1 | $24.00 | −13,997 | 441,800 | -3% | −$336K | ||
| Sep 11, 202616:15 | Sep 10, 2026 | MGNI | CHIEF LEGAL OFFICER | S · Sell10b5-1 | $23.41 | −40,000 | 224,389 | -15% | −$936K | ||
| Sep 11, 202616:11 | Sep 10, 2026 | MGNI | Director | S · Sell10b5-1 | $23.53 | −5,000 | 144,901 | -3% | −$118K | ||
| Sep 10, 202616:39 | Sep 9, 2026from Sep 8, 2026 | MGNI | See Remarks | S · Sell10b5-1 | $23.59 | −43,385 | 455,797 | -9% | −$1.0M | ||
| Sep 10, 202616:39 | Sep 8, 2026 | MGNI | See Remarks | M · Exercise10b5-1 | $5.16 | +13,546 | 499,182 | +3% | $70K | ||
| Sep 3, 202616:56 | Sep 2, 2026from Sep 1, 2026 | MGNI | CHIEF TECHNOLOGY OFFICER | S · Sell10b5-1 | $23.68 | −6,414 | 246,320 | -3% | −$152K | ||
| Aug 28, 202618:36 | Aug 28, 2026from Aug 26, 2026 | MGNI | Director | S · Sell10b5-1 | $23.57 | −48,986 | 114,751 | -30% | −$1.2M | ||
| Aug 18, 202616:25 | Aug 15, 2026 | MGNI | CHIEF TECHNOLOGY OFFICER | F · Tax | $24.73 | −8,102 | 252,734 | -3% | $200K | ||
| Aug 18, 202616:23 | Aug 15, 2026 | MGNI | See Remarks | F · Tax | $24.73 | −11,204 | 485,636 | -2% | $277K | ||
| Aug 18, 202616:21 | Aug 15, 2026 | MGNI | CHIEF LEGAL OFFICER | F · Tax | $24.73 | −5,627 | 264,389 | -2% | $139K | ||
| Aug 18, 202616:20 | Aug 15, 2026 | MGNI | CHIEF ACCOUNTING OFFICER | F · Tax | $24.73 | −3,789 | 102,328 | -4% | $94K | ||
| Aug 18, 202616:19 | Aug 15, 2026 | MGNI | CEO, Director | F · Tax | $24.73 | −10,404 | 392,670 | -3% | $257K | ||
| Aug 18, 202616:17 | Aug 15, 2026 | MGNI | CHIEF FINANCIAL OFFICER | F · Tax | $24.73 | −14,170 | 452,861 | -3% | $350K | ||
| Aug 18, 202616:16 | Aug 14, 2026 | MGNI | Director | S · Sell10b5-1 | $25.00 | −7,500 | 149,901 | -5% | −$188K | ||
| Aug 18, 202616:14 | Aug 18, 2026from Aug 17, 2026 | MGNI | See Remarks | S · Sell10b5-1 | $24.48 | −11,030 | 293,060 | -4% | −$270K | ||
| Aug 18, 202616:14 | Aug 15, 2026 | MGNI | See Remarks | F · Tax10b5-1 | $24.73 | −11,715 | 304,090 | -4% | $290K | ||
| Aug 14, 202616:16 | Aug 13, 2026 | MGNI | CHIEF FINANCIAL OFFICER | G · Gift | — | −26,258 | 467,031 | -5% | — | ||
| Aug 12, 202616:54 | Aug 10, 2026 | MGNI | CHIEF ACCOUNTING OFFICER | S · Sell | $24.68 | −12,479 | 106,117 | -11% | −$308K | ||
| Aug 12, 202616:51 | Aug 10, 2026 | MGNI | Director | S · Sell | $24.16 | −10,000 | 230,620 | -4% | −$242K | ||
| Aug 12, 202616:49 | Aug 10, 2026 | MGNI | Director | S · Sell10b5-1 | $24.35 | −5,000 | 157,401 | -3% | −$122K | ||
| Aug 7, 202617:14 | Aug 6, 2026 | MGNI | See Remarks | S · Sell10b5-1 | $24.49 | −67,179 | 315,805 | -18% | −$1.6M | ||
| Aug 7, 202617:14 | Aug 6, 2026 | MGNI | See Remarks | M · Exercise10b5-1 | $13.90 | +28,703 | 382,984 | +8% | $399K | ||
| Aug 7, 202617:10 | Aug 6, 2026 | MGNI | Director | S · Sell10b5-1 | $22.72 | −37,337 | 88,473 | -30% | −$848K | ||
| Aug 7, 202617:09 | Aug 6, 2026 | MGNI | CHIEF TECHNOLOGY OFFICER | S · Sell10b5-1 | $23.46 | −7,649 | 260,836 | -3% | −$179K | ||
| Aug 7, 202617:06 | Aug 6, 2026 | MGNI | See Remarks | S · Sell10b5-1 | $24.00 | −20,000 | 496,840 | -4% | −$480K | ||
| Aug 7, 202617:06 | Aug 6, 2026 | MGNI | See Remarks | M · Exercise10b5-1 | $5.16 | +20,000 | 516,840 | +4% | $103K | ||
| Aug 7, 202617:00 | Aug 6, 2026 | MGNI | CEO, Director | S · Sell10b5-1 | $22.72 | −293,968 | 403,074 | -42% | −$6.7M | ||
| Aug 7, 202617:00 | Aug 6, 2026 | MGNI | CEO, Director | M · Exercise10b5-1 | $5.80 | +293,968 | 697,042 | +73% | $1.7M |