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HYPD HYPERION DEFI, INC. Insider Trading

Latest: Officer & Director Bought $30K of Shares · Jun 2026

Multiple insiders have been active at HYPERION DEFI, INC. (HYPD): 7 distinct insiders account for 9 buy filings and 0 sell filings as of Jun 2026. Its highest-significance filing in the last 90 days: Officer & Director Hyunsu Jung bought $30K, transaction dated Jun 2026.

6 filings analyzed · Latest 2026-06-02

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Buys
9
Sells
0
Insiders
7
Direction
Net buying

HYPERION DEFI, INC. leadership

CEO
Hyunsu Jung — PRINCIPAL EXECUTIVE OFFICER
CFO
David Knox — PRINCIPAL FINANCIAL OFFICER
General Counsel
Robert Rubenstein — General Counsel and Secretary
June 2026
2026-06-02
low
See Remarks
8,000 shares
$29,580
@ $3.70
Significance 3

Hyunsu Jung purchases 8,000 shares across 4 transactions for $29,580.00 at HYPD, bringing holdings to 1,385,676 shares

Hyunsu Jung executed 4 separate purchases totaling 8,000 shares for $29,580.00 on June 1–2, 2026, at prices ranging from $3.64 to $3.81 (blended average $3.70). The current price of $3.70 is -77.4% from the 52-week high of $16.35, reflecting significant stock depreciation over the past year. While HYPD posted strong annual revenue growth of +1318.8% and current-quarter revenue of $244,271.00, the company was unprofitable over its most recent full fiscal year, creating fundamental disconnect between top-line expansion and bottom-line losses. The small purchase size (+0.6% vs pre-transaction holdings of 1.38M shares) in a depressed-price environment does not indicate material portfolio reweighting by the insider.

January 2026
2026-01-05
high
Chief Financial Officer
27,950 shares
$100,340
@ $3.59
Significance 6

CFO Knox David R. bought 27,950 shares of HYPD at $3.59 despite stock -75.2% from 52-week high and company's recent unprofitability.

Chief Financial Officer David R. Knox purchased 27,950 shares for $100,340.50 on 2025-12-31 at $3.59, expanding his holdings from 300,000 to 327,950 shares (+9.3% accumulation). The transaction occurs against a heavily depressed price backdrop: the stock trades -75.2% from its 52-week high of $15.97 and has declined -57.6% over the prior 90 days. Notably, while the company reported annual revenue growth of +1414.0% and a latest quarterly revenue of $302,506.00 with net income of $6,625,582.00, it was unprofitable over its most recent full fiscal year. The CFO's purchase at a steep discount to the 52-week high—while the company shows earnings in recent quarters—warrants examination of whether the full-year unprofitability was a transition event or an ongoing structural issue, and whether current fundamentals support the accumulation at this price level.

December 2025
2025-12-30
high
30,880 shares
$113,091
@ $3.66
Significance 7

Director Strahlman bought 30,880 shares at blended avg $3.66 on 12/26–12/29 (30.1K shares, $113.1K total)—774.1% increase in holdings amid stock down 78.9% from 52-week high.

Ellen R Strahlman, a Director, executed 4 separate purchases totaling 30,880 shares for $113,091.17 over two trading days (December 26–29, 2025), raising her holdings from 3,989 to 34,869 shares—a 774.1% increase. These purchases occurred as the stock trades at $3.37, down -78.9% from its 52-week high of $15.97 and -25.3% over the past 30 days. A cluster pattern is present: 2 other insiders also bought within the past 14 days. However, the company's fundamentals present mixed signals: while it posted quarterly net income of $6,625,582.00, annual revenue growth was +1414.0%, yet full-year net income was negative, indicating profitability volatility. The insider's cross-ticker track record shows 4 prior buys with an average 90-day return of +7228.4% and a 100% win rate; however, same-ticker history at HYPD shows 2 recent buys on 2025-12-18 with outcomes not yet measurable. Context matters: the stock's sharp decline from highs, combined with coordinated buying by multiple insiders, warrants observation of whether this reflects management conviction or opportunistic accumulation during a drawdown.

2025-12-22
high
38,444 shares
$120,664
@ $3.14
Significance 7

Director Ellen R Strahlman buys 38,444 shares at $3.14 (total $120,663.99); cluster pattern with 2 other insider buys in 14 days

Ellen R Strahlman, a director, executed 2 separate purchases totaling 38,444 shares at $3.14 on 2025-12-18, increasing her stake by 67.8% to 95,150 shares for $120,663.99. This transaction occurs within a cluster: 2 other insiders also bought within the past 14 days, indicating coordinated insider accumulation at the same price level. The current price of $4.08 reflects a 30.6% gain from the $3.14 transaction price and positions the stock -74.4% from its 52-week high of $15.97, suggesting the director purchased shares during a significant drawdown. The company's fundamentals show recent revenue growth of +1414.0% annually, though it was unprofitable over the most recent full fiscal year. Strahlman's cross-ticker track record shows 2 prior buys with an exceptional average 90-day return of +7228.4% and a 100.00% win rate, though that historical success is not specific to HYPD.

2025-12-19
high
30,000 shares
$90,210
@ $3.01
Significance 7

Director Michael Geltzeiler purchases 30,000 shares at $3.01; cluster buy pattern as 2 other insiders also bought within 14 days

Director Michael Geltzeiler purchased 30,000 shares at $3.01 on 2025-12-17, increasing his holdings by +51.7% to 88,015 shares, a significant accumulation that occurred amid severe price pressure—the stock is -77.0% from its 52-week high and down -67.5% over 90 days. This purchase coincides with a cluster pattern where 2 other insiders also bought within the past 14 days, suggesting coordinated management confidence in current valuations. The company's fundamentals present a mixed picture: while it posted net income of $6.6M in the latest quarter with explosive annual revenue growth of +1414.0%, it remained unprofitable on a full-year basis, and current quarterly revenue of $302.5K appears modest relative to its $29.7M market capitalization. The combination of coordinated insider accumulation near 52-week lows warrants investor attention to what insiders may be pricing into the stock amid the sharp recent decline.

2025-12-19
high
61,930 shares
$187,152
@ $3.02
Significance 6

Director Walters Happy David bought 61,930 shares of HYPD at $3.02; cluster buy pattern amid -77.0% decline from 52-week high.

Walters Happy David, a Director, purchased 61,930 shares at $3.02 on 2025-12-17, doubling his position from 50,000 to 111,930 shares. This transaction is part of a cluster buy pattern in which 2 other insiders also bought within the past 14 days, suggesting coordinated confidence at current levels. However, the stock has declined -77.0% from its 52-week high of $15.97 and is down -67.5% over 90 days, indicating severe recent deterioration. The company reports conflicting fundamentals: annual revenue growth surged +1414.0% to $302,506.00 in the latest quarter, yet the company was unprofitable over its most recent full fiscal year (full-year net income was negative), though the latest quarter shows $6.6M net income. The convergence of insider accumulation amid deep drawdown warrants close monitoring of whether this reflects opportunistic accumulation at depressed levels or indicates insiders' conviction despite operational volatility.

August 2024
2024-08-28
high
Chief Executive Officer
27,071 shares
$14,077
@ $0.52
Significance 8

CEO Rowe buys 27,071 shares of EYEN at $0.52 on 2024-08-28, replicating pattern of 3 prior well-timed buys; stock now down 78.2% from 52-week high.

Michael M Rowe, the Chief Executive Officer, purchased 27,071 shares at $0.52 on 2024-08-28, expanding his holdings by 32.6% to 109,998 shares post-transaction. This buy follows two purchases within 2 days (August 26 and August 28), occurring as the stock has collapsed 78.2% from its 52-week high of $189.60 and declined 62.3% over the prior 30 days. His prior three same-ticker buys at EYEN (September 15 and 19, 2023; December 4, 2023) all generated triple-digit 90-day returns (+6208.6%, +6309.6%, and +10900.0% respectively), and all three were well-timed at the 90-day mark, establishing a pattern of accurate entry points at this specific ticker. Against this backdrop, the fundamental position is deteriorating: annual revenue growth is -100.0%, the company posted net income of $-11,053,699.00 last full year, and recent quarterly revenue stands at $22,625.00, creating tension between the CEO's historical buying accuracy and the company's worsening financial trajectory.

2024-08-27
critical
Chief Executive Officer
50,000 shares
$28,500
@ $0.57
Significance 8

CEO Rowe M. bought 50,000 EYEN shares at $0.57; stock now $45.61, -75.9% from 52-week high, while holdings tripled to 82.9K shares

Rowe Michael M, Chief Executive Officer, purchased 50,000 shares at $0.57 on 2024-08-26, increasing his holdings by 151.9% from 32.9K to 82.9K shares. The stock has since declined significantly: current price of $45.61 represents a -75.9% drop from its 52-week high of $189.60, and the stock is down 60.4% over the past 30 days alone. His prior three purchases at EYEN (on 2023-12-04, 2023-09-19, and 2023-09-15) each showed strong 90-day returns of +13841.2%, +8189.2%, and +7991.4% respectively, demonstrating precise timing on those occasions. However, fundamentals are severely strained: the company recorded net income of $-11.1M against quarterly revenue of $22.6K, with annual revenue growth of -100.0%, and the current $2.9B market cap appears disconnected from an unprofitable, revenue-collapsing operating model. The CEO's substantial accumulation at distressed valuations contrasts sharply with deteriorating business performance and recent sharp price declines.

July 2024
2024-07-03
critical
1,515,151 shares
$1,000,000
@ $0.66
Significance 9

10% owner Grant Stuart M. bought 1,515,151 shares of EYEN at $0.66 on 2024-07-02 for $999,999.66; prior 5 trades at EYEN all well-timed with 90-day positive returns.

Grant Stuart M., a 10% owner, deployed $999,999.66 to purchase 1,515,151 shares at $0.66, expanding his stake to 10,914,153 shares (+16.1% growth). His prior 5 open-market transactions at EYEN all produced positive 90-day returns (ranging from +3854.4% to +7343.8%), with 100% of those trades proving well-timed against subsequent price action at the 90-day mark. His cross-ticker track record across 6 prior buys shows an average 90-day return of +4898.3% with a 100% win rate. Against the current context of EYEN trading at $61.46 (down -69.8% from the 52-week high of $203.20) and the company operating at negative net income of $-10,922,101 on quarterly revenue of $4,993.00, this buy from a 10% owner with a strong execution pattern on this specific ticker represents a material signal worth monitoring.

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