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EdgarHawk

McMullen William Wallace

Director

Director 10% Owner
9 filings analyzed · 1 company · Latest 2026-03-23

Companies

Company Buys Sells Direction
MACH NATURAL RESOURCES LP MNR 19 0 Net buying

Activity

March 2026
medium
Buy
9,285 shares
$128,800
Significance 5/10

Director McMullen buys 9,285 shares at $13.87 avg for $128.8K at MNR; continues accumulation pattern after 5 prior buys since June 2025.

Director William Wallace McMullen executed 3 separate purchases totaling 9,285 shares (9.3K shares) for $128,800.45 ($128.8K) on March 19–23, 2026, at prices ranging from $13.63 to $14.00, with a blended average of $13.87. The current price of $13.73 places the transaction near recent levels, and the stock is -12.9% from its 52-week high of $15.77. This marks McMullen's sixth open-market purchase of MNR stock since June 2025; his prior 5 trades at this ticker show a 3-of-5 timing pattern well-executed at the 90-day mark, suggesting some history of disciplined accumulation. The company reported a latest-quarter net loss of $-35,654,000.00 ($-35.7M) against revenue of $272,562,000.00 ($272.6M), and the elevated P/E of 36.13 reflects a growth-stage or unprofitable-to-profitable transition story. McMullen's persistent accumulation despite the loss position and elevated valuation metrics may warrant monitoring to discern whether continued insider purchases signal confidence in a turnaround, or reflect routine portfolio management at this stage in the company's recovery.

December 2025
medium
Buy
30,000 shares
$372,225
Significance 4/10

Director McMullen buys 30,000 shares across 2 transactions for $372,225.00 at MNR; stock down -33.9% from 52-week high

Director William Wallace McMullen executed 2 separate purchases totaling 30,000 shares for $372,225.00 at blended average price $12.41 on 2025-12-08 and 2025-12-09. The purchases come after MNR's stock has declined -33.9% from its 52-week high of $18.30, and the company is currently trading at $12.09, below the transaction prices. McMullen's 5 prior trades at MNR show a poor timing pattern: 0 of 4 measurable prior buys achieved positive 90-day returns, with the most recent buy on 2025-08-11 returning -19.3% over 90 days. The company posted net income of $-35.7M in the latest quarter despite revenue growth of +27.2% year-over-year, indicating profitability challenges that may explain the stock's weakness and suggest caution about the forward trajectory.

November 2025
low
Buy
4,608 shares
$54,605
Significance 3/10

Director McMullen buys 4,608 shares of MNR at $11.85; 0 of 5 prior MNR buys were well-timed over 90 days.

McMullen William Wallace, a Director, purchased 4,608 shares at $11.85 on 2025-11-14, a modest increment to his existing 74.82M-share position at this holding level. The buy price sits near the bottom of the 52-week range ($11.51–$18.30) but the stock has declined 33.9% from its 52-week high and is down 13.3% over 90 days despite a modest 1.8% rebound in the past 30 days. Critically, his track record at MNR shows 0 of 5 prior buys achieved positive 90-day returns—all five prior purchases resulted in losses within the 90-day window, with declines ranging from -3.1% to -19.3%. The company posted a $-35.7M net loss in the latest quarter against $272.6M in revenue, signaling operational challenges despite 27.2% annual revenue growth. The repeated buying pattern at a declining asset with no successful prior exit timing suggests either conviction based on expected turnaround or indifference to near-term price pressure—neither is clearly supported by the transaction scale or company fundamentals.

August 2025
low
Buy
3,085 shares
$44,393
Significance 3/10

Director McMullen buys 3,085 shares of MNR at $14.39; stock currently $14.40, down 30.1% from 52-week high.

McMullen William Wallace, a director, purchased 3,085 shares at $14.39 on 2025-08-11, a modest addition to his existing 74.82M-share position. The transaction occurred near current price levels ($14.40), with the stock trading 30.1% below its 52-week high of $20.61 and down 3.9% over the past 30 days. His prior trades at MNR (5 buys between June 10–16, 2025) showed mixed short-term results: returns ranging from -1.3% to +8.2% over 30 days, but none have yet reached the 90-day measurement window. Across his full cross-ticker history, his 12 prior open-market buys averaged -6.3% over 90 days with zero wins at that horizon, though the company's fundamentals remain solid: $288.5M quarterly revenue, +27.2% annual growth, P/E of 8.14, and $1.7B market cap.

June 2025
medium
Buy
280,400 shares
$4,162,264
Significance 5/10

Director McMullen buys 280,400 shares across 2 trades (280.4K shares) at $14.84 avg for $4,162,264.00

Director William Wallace McMullen purchased 280,400 shares in two separate transactions on 2025-06-13 and 2025-06-16 at an average price of $14.84, accumulating $4,162,264.00 in capital deployed. McMullen's holdings increase modestly from 74,532,539 shares to 74,812,939 shares (a +0.4% increase), maintaining a substantial stake in the company. At MNR specifically, McMullen has executed 5 prior trades, including three additional buys within the preceding 3 days (2025-06-10, 2025-06-11, 2025-06-12), signaling concentrated acquisitions in a narrow window; however, his prior measurable outcomes at this ticker show mixed results—a February 2025 buy declined 13.2% over 90 days, while a December 2024 buy fell 4.3% over 90 days. The current stock price of $15.00 sits -27.2% from the 52-week high of $20.61, and the company carries a reasonable P/E of 11.11 with recent revenue growth of 27.2% year-over-year, but McMullen's cross-ticker track record of 10 prior buys shows 0 of them well-timed at the 90-day mark, with an average 90-day return of -6.3%, warranting careful attention to whether this concentrated buying pattern represents opportunistic accumulation or reflects broader conviction.

medium
Buy
245,129 shares
$3,426,374
Significance 4/10

Director William McMullen purchases 245,129 shares across three days for $3,426,373.55 at MNR

Director William McMullen executed 3 separate purchases totaling 245,129 shares for $3,426,373.55 between June 10–12, 2025, at a blended average price of $13.98, accumulating to holdings of 74,532,539 shares post-transaction. The current price of $14.42 stands -30.0% from the 52-week high of $20.61, placing this purchase 30 basis points above the recent trading floor. However, the director's prior trading history at MNR reveals a consistent pattern: across 5 prior purchases at this ticker, all 5 trades failed to deliver positive 90-day returns, with the most recent buy on 2025-02-07 declining -13.2% over the ensuing 90 days. At the cross-ticker level, the insider's 7 prior buys averaged +10.3% over 30 days but achieved zero wins at the 90-day mark. The company's fundamentals remain solid—revenue of $226,768,000.00 with net income of $15,886,000.00 in the latest quarter and annual revenue growth of +27.2%—but the stock's persistent underperformance relative to this director's buy decisions warrants attention to execution risk or broader market headwinds.

February 2025
high
Buy
5,161,290 shares
$79,999,995
Significance 7/10

Director McMullen buys 5,161,290 shares of MNR for $79,999,995.00 on 2025-02-07, increasing holdings 7.5%

McMullen William Wallace, a director, purchased 5,161,290 shares (5.16M shares) at $15.50 on 2025-02-07 for $79,999,995.00 ($80.0M), raising his post-transaction holdings to 74,287,410 shares (74.29M shares). This substantial $80M acquisition represents a 7.5% increase in his stake at a price significantly below the current $16.20 level and the 52-week high of $20.97. His prior five purchases at MNR in December 2024 all showed positive 30-day returns averaging above 11.5%, suggesting consistent execution. The company trades at a P/E of 6.92 on revenue of $255,536,000.00 ($255.5M) and net income of $67,444,000.00 ($67.4M), though annual revenue growth stands at -18.7%, warranting observation of whether the director's accumulation reflects conviction in a recovery trajectory or reflects valuation opportunity amid recent revenue headwinds.

December 2024
medium
Buy
562,729 shares
$8,712,752
Significance 6/10

Director McMullen buys 562,729 shares across 3 trades (Dec 10–17) at $15.48 avg for $8.7M; current stock down 24.8% from 52-week high.

McMullen William Wallace (Director) executed 3 separate purchases totaling 562,729 shares for $8,712,751.64 at a blended average price of $15.48 between December 10 and December 17. The current price of $15.76 sits 24.8% below the 52-week high of $20.97 and the stock has declined 4.7% over the past 90 days, suggesting the purchases occurred during a period of recent price weakness. The director's post-transaction holdings of 69,126,120 shares represent a modest 0.8% increase relative to pre-transaction holdings, indicating this purchase incremented an already substantial position. With fundamentals showing quarterly revenue of $255,536,000.00, net income of $67,444,000.00, and a P/E of 6.74, the valuation context was compressed at the time of purchase; however, the company faces headwinds with annual revenue growth of -18.7% year-over-year.

medium
Buy
336,758 shares
$5,040,538
Significance 6/10

Director McMullen purchases 336,758 shares for $5,040,537.58 across 3 days at $14.97 avg; stock -27.2% from 52-week high

McMullen William Wallace executed three separate open-market purchases totaling 336,758 shares for $5,040,537.58 on December 10-12, 2024, at prices ranging from $14.83 to $15.01. This represents a 0.5% increase to his post-transaction holdings of 68,563,391 shares. The purchases occurred as MNR trades at $15.26, down 27.2% from its 52-week high of $20.97 and off 5.7% over the prior month. The company maintains modest profitability (net income $67.4M on revenue $255.5M, P/E of 6.52) but faces headwinds with annual revenue declining 18.7% year-over-year. The three-day buy pattern near the lower end of the current trading range, against a backdrop of weakened momentum and declining annual revenue, merits tracking.

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