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Company Analysis

SNDX Insider Trading

Syndax Pharmaceuticals Inc | Pharmaceutical Preparations

Comprehensive Trading Performance Summary

The investment history of corporate insiders at Syndax Pharmaceuticals Inc provides a unique lens into the internal conviction of the company's leadership. By analyzing SEC Form 4 filings, investors can track how directors and officers are allocating their own capital. High-conviction buying often signals that management believes the current market price significantly undervalues future growth prospects, while strategic selling might occur for personal liquidity or portfolio diversification. Monitoring these shifts in ownership is essential for understanding the alignment between management and shareholders in the Pharmaceutical Preparations sector.

Transactions on Chart

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Filing Date Trade Date Reporting Person Relationship Type Price Qty Total, $ Owned After Change, %
2026-02-10 16:59 2026-02-09 Goldan Keith A. Officer - Chief Financial Officer SELL $21.03 3,410 $71,705 140,429 -2.4%
2026-02-10 17:00 2026-02-09 Metzger Michael A Director, Officer - Chief Executive Officer SELL $21.03 17,159 $360,819 491,690 -3.4%
2026-02-07 01:54 2026-02-06 Metzger Michael A Director, Officer - Chief Executive Officer SELL $20.62 7,412 $152,835 508,849 -1.4%
2026-02-07 01:53 2026-02-06 Goldan Keith A. Officer - Chief Financial Officer SELL $20.62 2,082 $42,931 143,839 -1.4%
2025-09-09 01:45 2025-09-08 Metzger Michael A Director, Officer - Chief Executive Officer OPT+S $16.41 157,307 $2,582,021 298,661 0.0%
2025-08-19 00:02 2025-08-14 Podlesak Dennis Director OPT+S $15.19 57,600 $875,100 191,763 0.0%
2025-07-18 23:30 2025-07-16 Goldan Keith A. Officer - Chief Financial Officer SELL $9.29 1,296 $12,033 92,450 -1.4%
2025-07-18 23:30 2025-07-16 Metzger Michael A Director, Officer - Chief Executive Officer SELL $9.29 7,534 $69,953 298,661 -2.5%
2025-05-19 23:04 2025-05-19 Goldan Keith A. Officer - Chief Financial Officer BUY $0.00 3,000 $0 93,746 +3.3%
2025-05-19 23:03 2025-05-16 Botwood Nicholas A.J. Officer - Head of R&D, CMO BUY $9.00 11,765 $105,826 35,165 +50.3%
2025-05-19 23:02 2025-05-19 Huber Martin H. Jr. Director BUY $8.99 5,000 $44,950 79,000 +6.8%
2025-05-19 23:01 2025-05-19 Katkin Keith Director BUY $9.11 10,000 $91,120 100,000 +11.1%
2025-03-07 00:10 2025-03-04 Metzger Michael A Director, Officer - Chief Executive Officer OPT+S $15.05 7,814 $117,564 300,121 0.0%
2025-02-13 01:16 2025-02-10 Goldan Keith A. Officer - Chief Financial Officer SELL $15.50 3,777 $58,559 90,746 -4.0%
2025-02-13 01:15 2025-02-10 Metzger Michael A Director, Officer - Chief Executive Officer SELL $15.50 13,288 $206,017 300,121 -4.2%
2025-02-13 01:13 2025-02-10 Gallagher Neil Officer - President, Head of R&D SELL $15.50 4,618 $71,597 85,095 -5.1%
2024-06-17 16:26 2024-06-14 Goldan Keith A. Officer - Chief Financial Officer BUY $20.03 1,250 $25,037 52,623 +2.4%
2023-08-10 13:50 2023-08-09 Morrison Briggs Director OPT+S $18.27 52,855 $965,402 17,836 0.0%
2023-08-03 16:12 2023-08-02 Meury William Director OPT+S $20.46 83,000 $1,697,807 48,000 0.0%
2023-07-11 16:23 2023-07-10 Morrison Briggs Director OPT+S $20.40 52,855 $1,078,068 17,836 0.0%
2023-06-14 23:20 2023-06-13 Goldan Keith A. Officer - Chief Financial Officer SELL $22.31 577 $12,873 2,628 -18.0%
2023-06-10 00:32 2023-06-09 Morrison Briggs Director OPT+S $21.18 52,855 $1,119,421 17,836 0.0%
2023-05-10 23:11 2023-05-09 Morrison Briggs Director OPT+S $21.41 52,855 $1,131,478 17,836 0.0%
2023-04-12 23:03 2023-04-10 Morrison Briggs Director OPT+S $19.53 52,855 $1,032,237 17,836 0.0%
2023-03-14 23:42 2023-03-13 Morrison Briggs Director, Officer - President, Head of R&D OPT+S $22.53 52,854 $1,190,674 17,836 0.0%
2023-02-18 02:09 2023-02-15 Ordentlich Peter Officer - Chief Scientific Officer OPT+S $25.84 25,000 $646,093 0 0.0%
2023-02-09 00:49 2023-02-06 Metzger Michael A Director, Officer - Chief Executive Officer OPT+S $27.64 5,959 $164,697 17,659 0.0%
2023-02-09 00:49 2023-02-06 Morrison Briggs Director, Officer - President, Head of R&D OPT+S $26.83 52,854 $1,417,909 17,836 0.0%
2023-02-04 00:59 2023-02-01 Ordentlich Peter Officer - Chief Scientific Officer SELL $28.43 69 $1,962 0 -100.0%
2023-01-14 00:44 2023-01-12 Legault Pierre Director OPT+S $26.84 39,000 $1,046,783 32,000 0.0%
2022-12-03 01:01 2022-12-01 Ordentlich Peter Officer - Chief Scientific Officer OPT+S $25.04 25,000 $626,025 265 0.0%
2022-10-07 23:05 2022-10-06 Metzger Michael A Director, Officer - Chief Executive Officer OPT+S $25.29 16,231 $410,508 17,659 0.0%
2022-10-07 23:05 2022-10-06 Katkin Keith Director OPT+S $25.90 29,899 $774,411 32,000 0.0%
2022-10-05 00:49 2022-09-30 Metzger Michael A Director, Officer - Chief Executive Officer OPT+S $25.02 33,769 $844,890 17,659 0.0%
2022-10-05 00:49 2022-09-30 Katkin Keith Director OPT+S $25.06 4,101 $102,777 32,000 0.0%
2022-09-21 23:18 2022-09-19 Morrison Briggs Director, Officer - President, Head of R&D OPT+S $23.11 173,988 $4,020,062 17,836 0.0%
2022-09-17 00:34 2022-09-14 Morrison Briggs Director, Officer - President, Head of R&D OPT+S $23.64 279,420 $6,604,315 17,836 0.0%
2022-09-17 00:34 2022-09-15 Podlesak Dennis Director OPT+S $24.08 78,815 $1,897,991 75,763 0.0%
2022-08-26 23:14 2022-08-24 Ordentlich Peter Officer - Chief Scientific Officer OPT+S $25.04 25,000 $625,893 265 0.0%
2022-08-09 23:05 2022-08-05 Legault Pierre Director OPT+S $23.02 24,000 $552,382 32,000 0.0%
2022-07-28 01:42 2022-07-25 Metzger Michael A Director, Officer - Chief Executive Officer OPT+S $21.06 31,602 $665,393 17,659 0.0%
2022-07-09 00:51 2022-07-06 Metzger Michael A Director, Officer - Chief Executive Officer OPT+S $21.07 15,109 $318,407 17,659 0.0%
2022-07-05 23:09 2022-07-01 Morrison Briggs Director, Officer - President, Head of R&D OPT+S $19.00 62,292 $1,183,430 17,836 0.0%
2022-04-05 23:05 2022-04-01 Morrison Briggs Director, Officer - President, Head of R&D OPT+S $17.48 104,173 $1,820,736 17,836 0.0%
2022-02-04 01:32 2022-02-01 Ordentlich Peter Officer - Chief Scientific Officer SELL $16.65 1,412 $23,510 0 -100.0%
2022-02-04 01:31 2022-02-01 Nolte Alexander Officer - Chief Accounting Officer SELL $16.65 968 $16,117 0 -100.0%
2021-12-23 02:25 2021-12-20 Legault Pierre Director OPT+S $21.56 44,000 $948,455 16,000 0.0%
2021-12-21 02:44 2021-12-17 Morrison Briggs Director, Officer - Chief Executive Officer OPT+S $20.00 35,156 $703,120 48,336 0.0%
2021-12-21 02:44 2021-12-16 Metzger Michael A Director, Officer - President and COO OPT+S $19.94 85,391 $1,702,842 17,659 0.0%
2021-12-16 01:35 2021-12-13 Metzger Michael A Director, Officer - President and COO OPT+S $19.05 36,609 $697,519 17,659 0.0%
SHOW ENTRIES

How to Interpret $SNDX Trades

Not every insider transaction in Syndax Pharmaceuticals Inc is a signal for immediate action. Professional investors look for "cluster buying"—when multiple executives simultaneously purchase $SNDX shares on the open market. It is crucial to distinguish between scheduled sales (under Rule 10b5-1) and voluntary increases in ownership, which demonstrate management’s true conviction that the stock is undervalued.

Data Source & Accuracy for SNDX

Insider activity data for Syndax Pharmaceuticals Inc is streamed in real-time directly from the SEC EDGAR system. We analyze raw Form 4 filings, filtering out technical adjustments and complex derivative transactions. This provides a transparent view of how ownership structure is evolving in $SNDX, allowing you to follow the capital of those with the most intimate knowledge of the company.

UNDERSTANDING THE DATA

FILING DATE: The date and time when the transaction was reported to the SEC. This is when the public first receives the information.

TRADE DATE: The actual day the insider executed the purchase or sale in the market.

INDUSTRY: The specific market sector the company operates in. Useful for identifying broader institutional capital flows across sectors.

OWNED AFTER: The total number of shares held by the insider following the transaction. This highlights the insider's remaining conviction in the company.

CHANGE %: The percentage increase or decrease of the insider's total position. Large percentage changes often carry more weight than the dollar amount alone.

TRADE TYPES DEFINITIONS

BUY: An open market purchase. Typically indicates an insider's belief that the stock is undervalued or poised for growth.

SELL: An open market sale. While often used for diversification or liquidity, large or unexpected sales can be a warning signal.

OPT+S (OPTION EXERCISE & SALE): This occurs when an insider exercises their stock options and sells them immediately. Often part of a structured compensation plan.