MarketPeel
Insider Trading Intelligence
WK

Walter V. Klemp

MBRX
CEO AND PRESIDENT · MOLECULIN BIOTECH, INC. · CIK 0000938419
FILING MIX · LIFETIME49%/51%
BUYS
43
SELLS
44
TOTAL VALUE
$674.0K
COMPANIES
2
ACTIVE SINCE
Jul 2020
HOLDINGS NOW
327,586
AVG SELL PX
$1.23
TRADE KIND
SHOWING 87 / 87
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
7 backtested trades · 8 horizons · 2 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Walter V. Klemp, measured at 8 horizons from 7 days to 2 years. Deduped per economic event so co-filings count once. Excess return = trade return minus SPY return over the same window.
HORIZONTRADESWIN RATEINSIDER RETURNSPY RETURNMEAN EXCESSMEDIAN EXCESST-STAT
7d7+85.71%+17.24%+1.51%+15.73%+7.27%
14d7+85.71%+25.91%+1.70%+24.21%+32.24%
30d7+57.14%+48.55%+0.42%+48.13%+27.34%
60d7+57.14%+36.71%+3.59%+33.12%+26.22%
90d7+57.14%+14.92%+6.55%+8.36%+19.51%
180d7+14.29%-46.92%+8.85%-55.77%-56.38%
1y7+14.29%-56.42%+19.93%-76.35%-74.57%
2y7(2 pending)+0.00%-87.05%+51.97%-139.02%-139.20%
How to read this: Insider Returnis the average raw return of the filer's trades over the horizon. SPY Return is what SPY did over those same windows — reference only, not a comparison. The headline alpha number is Mean Excess = Insider − SPY; green means the filer beat SPY, red means they trailed it. Win rate is the share of individual trades where the filer beat SPY. T-statvalues above 2 mean the alpha is unlikely to be chance given the sample size. "Pending" counts trades where the horizon hasn't elapsed yet; their stats are not included in the row average.
Holdings over time
MBRX · 326,336 shares · as of Jun 22, 2026
0990,1831,980,3662,970,5483,960,731202120222023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2020
2020
2021
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
FLOW · 43 buys / 44 sellsCOVERAGE · 24 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
MBRX
MOLECULIN BIOTECH, INC.
PURCHASE
CEO and President
36031,088Jun 22, 2026Jun 24, 2026View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
88$3.12$27531,007Jun 22, 2026Jun 24, 2026View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
360326,336Jun 22, 2026Jun 24, 2026View →
MBRX
MOLECULIN BIOTECH, INC.
PURCHASE
CEO and President
15030,765Jun 20, 2026Jun 24, 2026View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
37$2.88$10730,728Jun 20, 2026Jun 24, 2026View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
150326,696Jun 20, 2026Jun 24, 2026View →
MBRX
MOLECULIN BIOTECH, INC.
PURCHASEGRANT
Stock grant
830,0003,210,731Nov 12, 2025Nov 14, 2025View →
MBRX
MOLECULIN BIOTECH, INC.
PURCHASEGRANT
Stock grant
750,0003,960,731Nov 12, 2025Nov 14, 2025View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
28,7502,380,731Nov 4, 2025Nov 6, 2025View →
MBRX
MOLECULIN BIOTECH, INC.
PURCHASE
CEO and President
28,750772,357Nov 4, 2025Nov 6, 2025View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
7,001$0.50$3.5K765,356Nov 4, 2025Nov 6, 2025View →
AMIX
AUTONOMIX MEDICAL, INC.
SALE
8,7731,250Aug 11, 2025Aug 13, 2025View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
2,027,0252,409,481Jun 23, 2025Jun 23, 2025View →
MBRX
MOLECULIN BIOTECH, INC.
PURCHASE
CEO and President
675,675$0.37$250.0K743,607Jun 23, 2025Jun 23, 2025View →
MBRX
MOLECULIN BIOTECH, INC.
PURCHASE
CEO and President
8,99070,122Jun 22, 2025Jun 23, 2025View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
2,190$0.27$58567,932Jun 22, 2025Jun 23, 2025View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
8,990382,456Jun 22, 2025Jun 23, 2025View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
3,750391,446Jun 20, 2025Jun 23, 2025View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
914$0.27$24461,132Jun 20, 2025Jun 23, 2025View →
MBRX
MOLECULIN BIOTECH, INC.
PURCHASE
CEO and President
3,75062,046Jun 20, 2025Jun 23, 2025View →
MBRX
MOLECULIN BIOTECH, INC.
PURCHASE
CEO and President
1,66758,702Jun 16, 2025Jun 18, 2025View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
406$0.69$27858,296Jun 16, 2025Jun 18, 2025View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
1,667370,075Jun 16, 2025Jun 18, 2025View →
MBRX
MOLECULIN BIOTECH, INC.
PURCHASEGRANT
Stock grant
115,000328,152Nov 4, 2024Nov 6, 2024View →
MBRX
MOLECULIN BIOTECH, INC.
PURCHASEGRANT
Stock grant
100,000213,152Nov 4, 2024Nov 6, 2024View →
MBRX
MOLECULIN BIOTECH, INC.
PURCHASEGRANT
Stock grant
43,590371,742Oct 25, 2024Nov 6, 2024View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
982113,152Jul 2, 2024Jul 5, 2024View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
240$3.57$85757,035Jul 2, 2024Jul 5, 2024View →
MBRX
MOLECULIN BIOTECH, INC.
PURCHASE
CEO and President
98257,275Jul 2, 2024Jul 5, 2024View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
2,190$3.74$8.2K56,293Jun 22, 2024Jun 25, 2024View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
8,990114,134Jun 22, 2024Jun 25, 2024View →
MBRX
MOLECULIN BIOTECH, INC.
PURCHASE
CEO and President
8,99058,483Jun 22, 2024Jun 25, 2024View →
AMIX
AUTONOMIX MEDICAL, INC.
PURCHASEGRANT
Stock grant
175,452200,452Jun 21, 2024Jun 24, 2024View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
3,750123,124Jun 20, 2024Jun 21, 2024View →
MBRX
MOLECULIN BIOTECH, INC.
PURCHASE
CEO and President
3,75050,407Jun 20, 2024Jun 21, 2024View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
914$3.78$3.5K49,493Jun 20, 2024Jun 21, 2024View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
406$4.14$1.7K46,657Jun 16, 2024Jun 18, 2024View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
1,667126,874Jun 16, 2024Jun 18, 2024View →
MBRX
MOLECULIN BIOTECH, INC.
PURCHASE
CEO and President
1,66747,063Jun 16, 2024Jun 18, 2024View →
MBRX
MOLECULIN BIOTECH, INC.
PURCHASE
CEO and President
188,404$0.69$130.0K680,880Dec 26, 2023Dec 27, 2023View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
14,7171,941,349Jul 2, 2023Jul 5, 2023View →
MBRX
MOLECULIN BIOTECH, INC.
PURCHASE
CEO and President
14,717486,072Jul 2, 2023Jul 5, 2023View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
3,584$0.58$2.1K482,488Jul 2, 2023Jul 5, 2023View →
MBRX
MOLECULIN BIOTECH, INC.
PURCHASEGRANT
Stock grant
400,0001,416,691Jun 22, 2023Jun 26, 2023View →
MBRX
MOLECULIN BIOTECH, INC.
PURCHASEGRANT
Stock grant
539,3751,956,066Jun 22, 2023Jun 26, 2023View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
13,697$0.57$7.8K471,355Jun 20, 2023Jun 22, 2023View →
MBRX
MOLECULIN BIOTECH, INC.
PURCHASE
CEO and President
56,250485,052Jun 20, 2023Jun 22, 2023View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
56,2501,016,691Jun 20, 2023Jun 22, 2023View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
25,0001,072,941Jun 16, 2023Jun 20, 2023View →
MBRX
MOLECULIN BIOTECH, INC.
PURCHASE
CEO and President
25,000434,890Jun 16, 2023Jun 20, 2023View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
6,088$0.57$3.5K428,802Jun 16, 2023Jun 20, 2023View →
MBRX
MOLECULIN BIOTECH, INC.
PURCHASE
CEO and President
45,000$1.28$57.6K409,890Nov 25, 2022Nov 28, 2022View →
MBRX
MOLECULIN BIOTECH, INC.
PURCHASE
CEO and President
22,500$1.15$25.9K364,890Nov 21, 2022Nov 23, 2022View →
MBRX
MOLECULIN BIOTECH, INC.
PURCHASE
CEO and President
24,742$1.02$25.3K342,390Nov 17, 2022Nov 18, 2022View →
MBRX
MOLECULIN BIOTECH, INC.
PURCHASE
CEO and President
85,213$0.97$82.6K317,648Nov 16, 2022Nov 18, 2022View →
MBRX
MOLECULIN BIOTECH, INC.
PURCHASE
CEO and President
13,204235,650Jul 11, 2022Jul 15, 2022View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
3,215$1.68$5.4K232,435Jul 11, 2022Jul 15, 2022View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
13,2051,097,941Jul 11, 2022Jul 15, 2022View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
13,2051,369,941Jul 11, 2022Jul 13, 2022View →
MBRX
MOLECULIN BIOTECH, INC.
PURCHASE
CEO and President
13,204235,650Jul 11, 2022Jul 13, 2022View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
3,215$1.68$5.4K232,435Jul 11, 2022Jul 13, 2022View →
MBRX
MOLECULIN BIOTECH, INC.
PURCHASE
CEO and President
14,717226,030Jul 2, 2022Jul 15, 2022View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
3,584$1.47$5.3K222,446Jul 2, 2022Jul 15, 2022View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
14,7171,111,145Jul 2, 2022Jul 15, 2022View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
14,7171,383,145Jul 2, 2022Jul 6, 2022View →
MBRX
MOLECULIN BIOTECH, INC.
PURCHASE
CEO and President
14,717226,030Jul 2, 2022Jul 6, 2022View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
3,584$1.47$5.3K222,446Jul 2, 2022Jul 6, 2022View →
MBRX
MOLECULIN BIOTECH, INC.
PURCHASEGRANT
Stock grant
360,0001,035,862Jun 20, 2022Jun 22, 2022View →
MBRX
MOLECULIN BIOTECH, INC.
PURCHASEGRANT
Stock grant
362,0001,397,862Jun 20, 2022Jun 22, 2022View →
MBRX
MOLECULIN BIOTECH, INC.
PURCHASEGRANT
Stock grant
225,000900,862Jun 20, 2022Jul 15, 2022View →
MBRX
MOLECULIN BIOTECH, INC.
PURCHASEGRANT
Stock grant
225,0001,125,862Jun 20, 2022Jul 15, 2022View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
6,088$1.33$8.1K211,313Jun 16, 2022Jun 21, 2022View →
MBRX
MOLECULIN BIOTECH, INC.
PURCHASE
CEO and President
25,000217,401Jun 16, 2022Jun 21, 2022View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
25,000675,862Jun 16, 2022Jun 21, 2022View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
13,205700,862Jul 11, 2021Jul 12, 2021View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
3,215$3.56$11.4K192,401Jul 11, 2021Jul 12, 2021View →
MBRX
MOLECULIN BIOTECH, INC.
PURCHASE
CEO and President
13,205195,616Jul 11, 2021Jul 12, 2021View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
3,584$3.56$12.8K182,411Jul 2, 2021Jul 6, 2021View →
MBRX
MOLECULIN BIOTECH, INC.
PURCHASE
CEO and President
14,718185,995Jul 2, 2021Jul 6, 2021View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
14,718717,651Jul 2, 2021Jul 6, 2021View →
MBRX
MOLECULIN BIOTECH, INC.
PURCHASEGRANT
Stock grant
100,000728,785Jun 16, 2021Jun 21, 2021View →
MBRX
MOLECULIN BIOTECH, INC.
PURCHASEGRANT
Stock grant
223,635628,785Jun 16, 2021Jun 21, 2021View →
MBRX
MOLECULIN BIOTECH, INC.
PURCHASE
CEO and President
79,2271,046,951Jul 13, 2020Jul 14, 2020View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
79,2272,430,891Jul 13, 2020Jul 14, 2020View →
MBRX
MOLECULIN BIOTECH, INC.
SALE
CEO and President
19,292$0.86$16.5K1,027,659Jul 13, 2020Jul 14, 2020View →
MBRX
MOLECULIN BIOTECH, INC.
PURCHASEGRANT
Stock grant
353,2112,510,118Jul 2, 2020Jul 7, 2020View →
MBRX
MOLECULIN BIOTECH, INC.
PURCHASEGRANT
Stock grant
500,0002,156,907Jul 2, 2020Jul 7, 2020View →
Other insiders · MBRX
Loading peer insiders…
About this filer
CIK 0000938419
ROLE
CEO and President
PRIMARY
MBRX
COMPANIES
2
ACTIVE SINCE
Jul 2020
MARKETPEEL · /INSIDER/0000938419DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
FREE · DAILY · 6 AM ET

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