James Paul Kastenmayer — SEC Insider Profile, Roles & Companies

Insider at

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Insider transactions

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0 buys (P) 0 sells (S) Net: $0 + 4 non-open-market transactions below 12 months to the week close of 2026-10-23

Price change vs the latest weekly close (updated to the current quote in your browser when available), split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

No open-market trades on record; showing all filings.

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D
Feb. 2, 2026	AVBP	A	130,000	·	·	130,000 Direct	·	Acquired
Feb. 3, 2025	AVBP	A	102,000	·	·	102,000 Direct	·	Acquired
Feb. 23, 2023	SYRE	A	500,000	·	·	500,000 Direct	·	Acquired
Aug. 23, 2022	SYRE	A	130,000	·	·	130,000 Direct	·	Acquired

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.

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Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Feb. 2, 2026	AVBP	Stock Option (right to buy)	Common Stock (130,000)	$22.67	Feb. 2, 2036	130,000	Acquired
Feb. 3, 2025	AVBP	Stock Option (right to buy)	Common Stock (102,000)	$27.56	Feb. 3, 2035	102,000	Acquired
Feb. 23, 2023	SYRE	Employee Stock Option (right to buy)	Common Stock (500,000)	$0.44	Feb. 22, 2033	500,000	Acquired
Aug. 23, 2022	SYRE	Employee Stock Option (right to buy)	Common Stock (130,000)	$0.68	Aug. 22, 2032	130,000	Acquired

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

Initial ownership (Form 3) 6 holdings

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

Date	Ticker	Security	Shares	Ownership
Jan. 25, 2024	AVBP	Common Stock	·	Direct
Jan. 25, 2024	AVBP	Stock Option (right to buy)→ Common Stock	·	Direct
Jan. 25, 2024	AVBP	Stock Option (right to buy)→ Common Stock	·	Direct
Aug. 25, 2022	SYRE	Common Stock	4,000	Direct
Aug. 25, 2022	SYRE	Employee Stock Option (right to buy)→ Common Stock (130,000)	130,000	Direct
Aug. 25, 2022	SYRE	Employee Stock Option (right to buy)→ Common Stock (85,000)	85,000	Direct

Compensation (DEF 14A)

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

SYRE

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2022	$443,943	·	·	·	$155,694	·	$12,200	$865,785

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