SEC Insider Transactions from WALDRON RICHARD A.

Last updated: 2026-03-14 11:54 UTC | Total transactions: 19

WALDRON RICHARD A has filed 19 insider transactions across 1 company since December 2022.

Most recent transaction: a tax payment of 2729 shares of BioAtla, Inc. ($BCAB) on February 28, 2026.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Feb. 28, 2026 BioAtla, Inc. $BCAB WALDRON RICHARD A Former Chief Financial Officer F Common Stock 2729 $0.25 343,421.0000 58,792,088 0.79% 0.00%
Nov. 30, 2025 BioAtla, Inc. $BCAB WALDRON RICHARD A Chief Financial Officer F Common Stock 2371 $0.90 346,150.0000 58,792,088 0.68% 0.00%
Aug. 31, 2025 BioAtla, Inc. $BCAB WALDRON RICHARD A Chief Financial Officer F Common Stock 2371 $0.46 338,521.0000 58,099,164 0.70% 0.00%
May 31, 2025 BioAtla, Inc. $BCAB WALDRON RICHARD A Chief Financial Officer F Common Stock 2371 $0.41 340,892.0000 58,099,164 0.69% 0.00%
March 11, 2025 BioAtla, Inc. $BCAB WALDRON RICHARD A Chief Financial Officer A Common Stock 100000 $0.00 333,263.0000 58,099,164 42.87% 0.17%
Feb. 15, 2025 BioAtla, Inc. $BCAB WALDRON RICHARD A Chief Financial Officer F Common Stock 10887 $0.46 233,263.0000 58,099,164 4.46% 0.02%
Feb. 15, 2024 BioAtla, Inc. $BCAB WALDRON RICHARD A Chief Financial Officer A Common Stock 106000 $0.00 230,923.0000 48,077,599 84.85% 0.22%
Oct. 31, 2023 BioAtla, Inc. $BCAB WALDRON RICHARD A Chief Financial Officer F Common Stock 970 $1.47 124,923.0000 0 0.77% 0.00%
Sept. 30, 2023 BioAtla, Inc. $BCAB WALDRON RICHARD A Chief Financial Officer F Common Stock 970 $1.70 125,893.0000 0 0.76% 0.00%
Aug. 31, 2023 BioAtla, Inc. $BCAB WALDRON RICHARD A Chief Financial Officer F Common Stock 970 $2.51 126,863.0000 0 0.76% 0.00%
July 31, 2023 BioAtla, Inc. $BCAB WALDRON RICHARD A Chief Financial Officer F Common Stock 970 $2.99 127,833.0000 0 0.75% 0.00%
June 30, 2023 BioAtla, Inc. $BCAB WALDRON RICHARD A Chief Financial Officer F Common Stock 970 $3.00 125,780.0000 0 0.77% 0.00%
May 31, 2023 BioAtla, Inc. $BCAB WALDRON RICHARD A Chief Financial Officer F Common Stock 970 $3.15 126,750.0000 0 0.76% 0.00%
April 30, 2023 BioAtla, Inc. $BCAB WALDRON RICHARD A Chief Financial Officer F Common Stock 970 $3.37 127,720.0000 0 0.75% 0.00%
March 31, 2023 BioAtla, Inc. $BCAB WALDRON RICHARD A Chief Financial Officer F Common Stock 970 $2.68 128,690.0000 0 0.75% 0.00%
Feb. 28, 2023 BioAtla, Inc. $BCAB WALDRON RICHARD A Chief Financial Officer F Common Stock 970 $2.98 129,660.0000 0 0.74% 0.00%
Feb. 9, 2023 BioAtla, Inc. $BCAB WALDRON RICHARD A Chief Financial Officer A Employee Stock Option (right to buy) 210000 $0.00 210,000.0000 0 9999.99% 0.00%
Jan. 31, 2023 BioAtla, Inc. $BCAB WALDRON RICHARD A Chief Financial Officer F Common Stock 1144 $3.79 130,630.0000 0 0.87% 0.00%
Dec. 31, 2022 BioAtla, Inc. $BCAB WALDRON RICHARD A Chief Financial Officer F Common Stock 970 $8.25 131,774.0000 0 0.73% 0.00%