WALDRON RICHARD A — Insider transactions, CFO at BioAtla, Inc. / SCICLONE PHARMACEUTICALS INC | InsiderLens

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WALDRON RICHARD A

USNatural personCFO

Transactions

53

Issuers

2

Buys / Sells

0/15

Last tx

28 Feb 2026

Current positions

Holdings derived from the most recent reported transactions. Not adjusted for stock splits or share-class conversions.

Issuer	Shares	Source	Last tx	Detail
BioAtla, Inc.	343,421	reported	28 Feb 2026	tx 49+593,964−75,936
SCICLONE PHARMACEUTICALS INC	70,000	reported	20 Mar 2007	tx 4+200,000

Recent transactions

Date	Type	Issuer	Qty	Price	Signals
28 Feb 2026	TAX_WITHHOLDING	BioAtla, Inc.	2,729	0.25 USD
30 Nov 2025	TAX_WITHHOLDING	BioAtla, Inc.	2,371	0.90 USD
31 Aug 2025	TAX_WITHHOLDING	BioAtla, Inc.	2,371	0.46 USD
31 May 2025	TAX_WITHHOLDING	BioAtla, Inc.	2,371	0.41 USD
11 Mar 2025	GRANT_AWARD	BioAtla, Inc.	100,000	0.00 USD
15 Feb 2025	TAX_WITHHOLDING	BioAtla, Inc.	10,887	0.46 USD
15 Feb 2024	GRANT_AWARD	BioAtla, Inc.	106,000	0.00 USD
31 Oct 2023	TAX_WITHHOLDING	BioAtla, Inc.	970	1.47 USD
30 Sept 2023	TAX_WITHHOLDING	BioAtla, Inc.	970	1.70 USD
31 Aug 2023	TAX_WITHHOLDING	BioAtla, Inc.	970	2.51 USD
31 Jul 2023	TAX_WITHHOLDING	BioAtla, Inc.	970	2.99 USD
30 Jun 2023	TAX_WITHHOLDING	BioAtla, Inc.	970	3.00 USD
31 May 2023	TAX_WITHHOLDING	BioAtla, Inc.	970	3.15 USD
30 Apr 2023	TAX_WITHHOLDING	BioAtla, Inc.	970	3.37 USD
31 Mar 2023	TAX_WITHHOLDING	BioAtla, Inc.	970	2.68 USD
28 Feb 2023	TAX_WITHHOLDING	BioAtla, Inc.	970	2.98 USD
09 Feb 2023	GRANT_AWARD	BioAtla, Inc.	210,000	0.00 USD	deriv
31 Jan 2023	TAX_WITHHOLDING	BioAtla, Inc.	1,144	3.79 USD
31 Dec 2022	TAX_WITHHOLDING	BioAtla, Inc.	970	8.25 USD
30 Nov 2022	TAX_WITHHOLDING	BioAtla, Inc.	970	11.01 USD
31 Oct 2022	TAX_WITHHOLDING	BioAtla, Inc.	970	6.89 USD
30 Sept 2022	TAX_WITHHOLDING	BioAtla, Inc.	970	7.70 USD
31 Aug 2022	TAX_WITHHOLDING	BioAtla, Inc.	970	8.71 USD
31 Jul 2022	TAX_WITHHOLDING	BioAtla, Inc.	970	3.40 USD
30 Jun 2022	TAX_WITHHOLDING	BioAtla, Inc.	970	2.85 USD