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Insider · CIK 0001445826

David R Epstein

director

Files at TEM (Tempus AI, Inc.), AGMB (AgomAb Therapeutics NV). First filing Dec 13, 2024, latest Oct 9, 2026.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
2 / 9
$131k bought, $195k sold

Where the trades landed

Last year at the 2 companies this insider has traded most, with each buy and sell on the bar it happened.

TEM: Tempus AI, Inc.

TEMOct 9, 2026 · close 70.93

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

AGMB: AgomAb Therapeutics NV

AGMBOct 9, 2026 · close 9.08

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
51Moderate
AGMBbuy 3
AgomAb Therapeutics NV
$45k
5,000 shares
+50%-
47Moderate
AGMBbuy 3
AgomAb Therapeutics NV
$86k
10,000 shares
--
10Weak
TEMsell 410b5-1
Tempus AI, Inc.
$16k
250 shares
-1%+50% from low-40% from high
10Weak
TEMsell 310b5-1
Tempus AI, Inc.
$18k
250 shares
-1%+146% from low-12% from high
0Weak
TEMsell10b5-1
Tempus AI, Inc.
$20k
370 shares
-1%+72% from low-39% from high
10Weak
TEMsell 910b5-1
Tempus AI, Inc.
$14k
250 shares
-1%+99% from low-29% from high
10Weak
TEMsell 310b5-1
Tempus AI, Inc.
$20k
370 shares
-1%+63% from low-42% from high
16Weak
TEMsell 610b5-1
Tempus AI, Inc.
$46k
990 shares
-4%+57% from low-44% from high
10Weak
TEMsell 710b5-1
Tempus AI, Inc.
$14k
250 shares
-1%-
10Weak
TEMsell 510b5-1
Tempus AI, Inc.
$20k
370 shares
-1%-
15Weak
TEMsell 1110b5-1
Tempus AI, Inc.
$26k
620 shares
-2%-

Transactions

Every row this insider has filed, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Oct 8, 2026AGMB
AgomAb Therapeutics NV
POpen-market purchase
Common shares
+5,000$8.90$45k15,0003 d ago
Oct 5, 2026AGMB
AgomAb Therapeutics NV
POpen-market purchase
Common shares
+5,000$8.57$43k5,0005 d ago
Oct 6, 2026AGMB
AgomAb Therapeutics NV
POpen-market purchase
Common shares
+5,000$8.70$44k10,0005 d ago
Sep 1, 2026TEM
Tempus AI, Inc.
SOpen-market sale
Class A Common Stock10b5-1
-250$65.55$16k30,84439 d ago
Sep 2, 2025TEM
Tempus AI, Inc.
SOpen-market sale
Class A Comnmon Stock10b5-1
-250$73.64$18k27,041Sep 4, 2025
Aug 1, 2025TEM
Tempus AI, Inc.
SOpen-market sale
Class A Comnmon Stock10b5-1
-370$55.16$20k27,291Aug 5, 2025
Jun 2, 2025TEM
Tempus AI, Inc.
SOpen-market sale
Class A Comnmon Stock10b5-1
-250$55.20$14k27,661Jun 4, 2025
May 20, 2025TEM
Tempus AI, Inc.
AGrant or award
Class A Comnmon Stock
+1,997$0.00$027,911May 22, 2025
May 1, 2025TEM
Tempus AI, Inc.
SOpen-market sale
Class A Common Stock10b5-1
-370$53.50$20k25,914May 5, 2025
Mar 17, 2025TEM
Tempus AI, Inc.
SOpen-market sale
Class A Common Stock10b5-1
-990$46.83$46k26,284Mar 19, 2025
Mar 3, 2025TEM
Tempus AI, Inc.
SOpen-market sale
Class A Common Stock10b5-1
-250$57.52$14k27,274Mar 5, 2025
Feb 3, 2025TEM
Tempus AI, Inc.
SOpen-market sale
Class A Common Stock10b5-1
-370$53.31$20k27,524Feb 5, 2025
Dec 11, 2024TEM
Tempus AI, Inc.
SOpen-market sale
Class A Common Stock10b5-1
-620$41.81$26k27,894Dec 13, 2024

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

David R Epstein: insider trades and track record | InsiderTell