Frank Wicks

Frank Wicks is EVP & Pres. & Applied at SIGMA ALDRICH CORP (SIAL). They have made 21 open-market trades across 2 companies since 2006, most recently 2026-09-10.

CIK 0001201187

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Unrated. We grade insiders only on stock they chose to buy on the open market. Grants, option exercises and vesting say nothing about timing, so they don't count — which is why someone can file often and still have no grade. It isn't a bad sign: unrated buys beat every graded tier below A.

3 open-market purchases totalling $22K since 2007, against 18 sales. Too few scored purchases to measure a record yet.

Current Position

Ticker	Shares	Value
CASS	34,519	$1.9M
SIAL	13,202	—
Total		$1.9M

Shares reported on the most recent Form 4, priced at the 2026-09-11 close. 1 holding could not be priced and is excluded from the total.

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Buy Track Record

Filings3

Only 3 discretionary filings — too few to score

Discretionary filings only. 10b5-1 plan trades, tax withholding and option exercises are excluded, and each column is one row per filing rather than per execution lot.

Sell Track Record

Filings18

No scored decision-sell filings

Decision sells only — a first sale after buying the stock, or a sale by a fund or 10% owner. Ordinary sales by officers and directors show no relationship to what the stock does next, so they are counted but not scored.

Volume by Type

SOpen-Market Sale

$14.5M

18 filings

MOption Exercise

$9.2M

15 filings

$2.6M

1 filings

Companies

Trade History

21 total

Ticker	Type	Traded	Filed	Price	Value	7d Stock	30d Stock	90d Stock
SIAL	SELL	2015-08-03	2015-08-05	$139.61	$1.7M	N/A	N/A	N/A
SIAL	SELL	2014-04-28	2014-04-30	$95.21	$518K	N/A	N/A	N/A
SIAL	SELL	2013-05-28	2013-05-30	$85.00	$128K	N/A	N/A	N/A
SIAL	SELL	2013-05-01	2013-05-03	$77.85	$1.6M	N/A	N/A	N/A
SIAL	SELL	2012-10-31	2012-11-01	$70.25	$281K	N/A	N/A	N/A
SIAL	SELL	2012-02-15	2012-02-16	$70.85	$1.4M	N/A	N/A	N/A
SIAL	SELL	2010-11-04	2010-11-08	$65.85	$1.1M	N/A	N/A	N/A
SIAL	SELL	2010-08-02	2010-08-02	$57.27	$1.6M	N/A	N/A	N/A
SIAL	SELL	2010-05-13	2010-05-14	$57.03	$430K	N/A	N/A	N/A
SIAL	SELL	2009-12-02	2009-12-03	$54.02	$983K	N/A	N/A	N/A
SIAL	SELL	2009-12-02	2009-12-04	$54.01	$205K	N/A	N/A	N/A
SIAL	SELL	2009-12-01	2010-03-25	$54.01	$205K	N/A	N/A	N/A
SIAL	SELL	2009-08-13	2009-08-13	$52.46	$1.0M	N/A	N/A	N/A
CASS	BUY	2009-02-03	2009-02-03	$24.00	$5K	-0.1%	-2.3%	-2.3%
SIAL	SELL	2008-07-28	2008-07-29	$59.00	$1.4M	N/A	N/A	N/A
SIAL	SELL	2008-07-28	2008-07-29	$59.38	$926K	N/A	N/A	N/A
SIAL	SELL	2008-07-28	2008-07-29	$59.24	$782K	N/A	N/A	N/A
CASS	BUY	2007-05-14	2007-05-14	$33.39	$10K	-0.1%	-2.3%	-2.3%
CASS	BUY	2007-05-04	2007-05-07	$34.31	$7K	-0.1%	-2.3%	-2.3%
SIAL	SELL	2007-02-26	2007-02-28	$42.47	$170K	N/A	N/A	N/A
SIAL	SELL	2006-02-22	2006-02-23	$64.80	$54K	N/A	N/A	N/A