Richard A Waldron

Insider

First SEC filing: Dec. 15, 2020 · Latest: Dec. 15, 2020

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.
Compensation Executive pay disclosed in company proxy statements.

Insider at

BCAB selling Dec. 2, 2021

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 34 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

34 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Feb. 28, 2026	BCAB	F	2,729	$0.25	$682	343,421 Direct	-0.79%	Disposed	-73.4% (price as of 2026-08-20)
Nov. 30, 2025	BCAB	F	2,371	$0.90	$2,134	346,150 Direct	-0.68%	Disposed	-92.6% (price as of 2026-08-20)
Aug. 31, 2025	BCAB	F	2,371	$0.46	$1,091	338,521 Direct	-0.70%	Disposed	-85.6% (price as of 2026-08-20)
May 31, 2025	BCAB	F	2,371	$0.41	$972	340,892 Direct	-0.69%	Disposed	-83.8% (price as of 2026-08-20)
March 11, 2025	BCAB	A	100,000	—	—	333,263 Direct	+42.87%	Acquired	(price as of 2026-08-20)
Feb. 15, 2025	BCAB	F	10,887	$0.46	$5,008	233,263 Direct	-4.46%	Disposed	-85.6% (price as of 2026-08-20)
Feb. 15, 2024	BCAB	A	106,000	—	—	230,923 Direct	+84.85%	Acquired	(price as of 2026-08-20)
Oct. 31, 2023	BCAB	F	970	$1.47	$1,426	124,923 Direct	-0.77%	Disposed	-95.5% (price as of 2026-08-20)
Sept. 30, 2023	BCAB	F	970	$1.70	$1,649	125,893 Direct	-0.76%	Disposed	-96.1% (price as of 2026-08-20)
Aug. 31, 2023	BCAB	F	970	$2.51	$2,435	126,863 Direct	-0.76%	Disposed	-97.4% (price as of 2026-08-20)
July 31, 2023	BCAB	F	970	$2.99	$2,900	127,833 Direct	-0.75%	Disposed	-97.8% (price as of 2026-08-20)
June 30, 2023	BCAB	F	970	$3.00	$2,910	125,780 Direct	-0.77%	Disposed	-97.8% (price as of 2026-08-20)
May 31, 2023	BCAB	F	970	$3.15	$3,056	126,750 Direct	-0.76%	Disposed	-97.9% (price as of 2026-08-20)
April 30, 2023	BCAB	F	970	$3.37	$3,269	127,720 Direct	-0.75%	Disposed	-98.0% (price as of 2026-08-20)
March 31, 2023	BCAB	F	970	$2.68	$2,600	128,690 Direct	-0.75%	Disposed	-97.5% (price as of 2026-08-20)
Feb. 28, 2023	BCAB	F	970	$2.98	$2,891	129,660 Direct	-0.74%	Disposed	-97.8% (price as of 2026-08-20)
Feb. 9, 2023	BCAB	A	210,000	—	—	210,000 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 31, 2023	BCAB	F	1,144	$3.79	$4,336	130,630 Direct	-0.87%	Disposed	-98.2% (price as of 2026-08-20)
Dec. 31, 2022	BCAB	F	970	$8.25	$8,002	131,774 Direct	-0.73%	Disposed	-99.2% (price as of 2026-08-20)
Nov. 30, 2022	BCAB	F	970	$11.01	$10,680	132,744 Direct	-0.73%	Disposed	-99.4% (price as of 2026-08-20)
Oct. 31, 2022	BCAB	F	970	$6.89	$6,683	123,714 Direct	-0.78%	Disposed	-99.0% (price as of 2026-08-20)
Sept. 30, 2022	BCAB	F	970	$7.70	$7,469	124,684 Direct	-0.77%	Disposed	-99.1% (price as of 2026-08-20)
Aug. 31, 2022	BCAB	F	970	$8.71	$8,449	125,654 Direct	-0.77%	Disposed	-99.2% (price as of 2026-08-20)
July 31, 2022	BCAB	F	970	$3.40	$3,298	126,624 Direct	-0.76%	Disposed	-98.0% (price as of 2026-08-20)
June 30, 2022	BCAB	F	970	$2.85	$2,764	127,594 Direct	-0.75%	Disposed	-97.7% (price as of 2026-08-20)
May 31, 2022	BCAB	F	970	$2.41	$2,338	128,564 Direct	-0.75%	Disposed	-97.2% (price as of 2026-08-20)
April 30, 2022	BCAB	F	970	$3.48	$3,376	129,534 Direct	-0.74%	Disposed	-98.1% (price as of 2026-08-20)
March 31, 2022	BCAB	F	970	$5.00	$4,850	130,504 Direct	-0.74%	Disposed	-98.7% (price as of 2026-08-20)
Feb. 28, 2022	BCAB	F	970	$6.48	$6,286	131,474 Direct	-0.73%	Disposed	-99.0% (price as of 2026-08-20)
Feb. 21, 2022	BCAB	A	115,000	—	—	115,000 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 31, 2022	BCAB	F	1,150	$9.56	$10,994	132,444 Direct	-0.86%	Disposed	-99.3% (price as of 2026-08-20)
Dec. 31, 2021	BCAB	F	1,391	$19.63	$27,305	133,078 Direct	-1.03%	Disposed	-99.7% (price as of 2026-08-20)
Dec. 2, 2021	BCAB	S	1,405	$21.74	$30,545	134,498 Direct	-1.03%	Disposed	-99.7% (price as of 2026-08-20)
Dec. 2, 2021	BCAB	S	29	$22.47	$652	134,469 Direct	-0.02%	Disposed	-99.7% (price as of 2026-08-20)
Dec. 1, 2021	BCAB	S	2,332	$22.19	$51,747	140,817 Direct	-1.63%	Disposed	-99.7% (price as of 2026-08-20)
Dec. 1, 2021	BCAB	S	4,034	$23.27	$93,871	136,783 Direct	-2.86%	Disposed	-99.7% (price as of 2026-08-20)
Dec. 1, 2021	BCAB	S	880	$24.22	$21,314	135,903 Direct	-0.64%	Disposed	-99.7% (price as of 2026-08-20)
Nov. 30, 2021	BCAB	S	2,240	$24.00	$53,760	146,419 Direct	-1.51%	Disposed	-99.7% (price as of 2026-08-20)
Nov. 30, 2021	BCAB	S	2,422	$24.68	$59,775	143,997 Direct	-1.65%	Disposed	-99.7% (price as of 2026-08-20)
Nov. 30, 2021	BCAB	S	848	$25.38	$21,522	143,149 Direct	-0.59%	Disposed	-99.7% (price as of 2026-08-20)
Nov. 29, 2021	BCAB	S	4,599	$23.89	$109,870	148,659 Direct	-3.00%	Disposed	-99.7% (price as of 2026-08-20)
Nov. 24, 2021	BCAB	S	1,124	$25.77	$28,965	153,258 Direct	-0.73%	Disposed	-99.7% (price as of 2026-08-20)
Nov. 24, 2021	BCAB	S	1,354	$25.00	$33,850	154,382 Direct	-0.87%	Disposed	-99.7% (price as of 2026-08-20)
Nov. 24, 2021	BCAB	S	1,459	$24.05	$35,089	155,736 Direct	-0.93%	Disposed	-99.7% (price as of 2026-08-20)
Nov. 23, 2021	BCAB	S	2,101	$26.04	$54,710	157,195 Direct	-1.32%	Disposed	-99.7% (price as of 2026-08-20)
Nov. 23, 2021	BCAB	S	3,669	$24.28	$89,083	159,296 Direct	-2.25%	Disposed	-99.7% (price as of 2026-08-20)
Nov. 22, 2021	BCAB	S	3,626	$26.24	$95,146	162,965 Direct	-2.18%	Disposed	-99.7% (price as of 2026-08-20)
June 14, 2021	BCAB	J	31,976	—	—	166,591 Direct	+23.75%	Acquired	(price as of 2026-08-20)
Dec. 15, 2020	BCAB	A	30,988	—	—	30,988 Direct	—	Acquired	(price as of 2026-08-20)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Feb. 9, 2023	BCAB	Employee Stock Option (right to buy)	Common Stock (210,000)	$3.95	Feb. 9, 2033	210,000	Acquired
Feb. 21, 2022	BCAB	Employee Stock Option (right to buy)	Common Stock (115,000)	$6.75	Feb. 21, 2032	115,000	Acquired
Dec. 15, 2020	BCAB	Employee Stock Option (right to buy)	Common Stock (30,988)	$18.00	Dec. 15, 2030	30,988	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 1 holding

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
Dec. 15, 2020	BCAB	Common Stock	—	Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

BCAB

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2025	$485,450	—	$30,730	—	—	—	—	$516,180
2024	$480,640	—	$280,900	—	$120,160	—	—	$881,700
2023	$471,220	—	—	$579,474	$184,718	—	—	$1,235,412

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.