SEC Insider Transactions from Heyburn William A..

Last updated: 2026-03-16 13:01 UTC | Total transactions: 42

Heyburn William A., Co-CEO and CFO of Blade Air Mobility, Inc. ($BLDE), made one open market purchase of shares in the last 365 days, totaling $76 thousand, with the most recent on December 9, 2025. This ranks 2,624th among 4,983 insiders, below the $1.5 million average. He sold shares twice for $638 thousand total, most recently on August 4, 2025, ranking 5,959th out of 11,678 insiders versus the $8.6 million average.

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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
March 8, 2026 Strata Critical Medical, Inc. $SRTA Heyburn William A. Co-CEO and CFO F Class A common stock, $0.0001 par value per share 31314 $4.54 1,336,774.0000 86,366,526 2.29% 0.04%
Dec. 10, 2025 Strata Critical Medical, Inc. $SRTA Heyburn William A. Co-CEO and CFO F Class A common stock, $0.0001 par value per share 35348 $4.38 1,368,088.0000 86,366,526 2.52% 0.04%
Dec. 9, 2025 Strata Critical Medical, Inc. $SRTA Heyburn William A. Co-CEO and CFO P Class A common stock, $0.0001 par value per share 17000 $4.47 1,403,436.0000 86,366,526 1.23% 0.02%
Oct. 31, 2025 Strata Critical Medical, Inc. $SRTA Heyburn William A. Co-CEO and CFO A Class A common stock, $0.0001 par value per share 181072 $0.00 1,486,569.0000 79,694,028 13.87% 0.23%
Nov. 3, 2025 Strata Critical Medical, Inc. $SRTA Heyburn William A. Co-CEO and CFO F Class A common stock, $0.0001 par value per share 100133 $5.03 1,386,436.0000 79,694,028 6.74% 0.13%
Sept. 10, 2025 Strata Critical Medical, Inc. $SRTA Heyburn William A. Co-CEO and CFO F Class A common stock, $0.0001 par value per share 35348 $4.00 1,305,497.0000 79,694,028 2.64% 0.04%
Aug. 4, 2025 Strata Critical Medical, Inc. $SRTA Heyburn William A. Chief Financial Officer S Class A common stock, $0.0001 par value per share 46918 $4.94 1,340,845.0000 79,694,028 3.38% 0.06%
Aug. 1, 2025 Strata Critical Medical, Inc. $SRTA Heyburn William A. Chief Financial Officer F Class A common stock, $0.0001 par value per share 76177 $3.99 1,387,763.0000 79,694,028 5.20% 0.10%
Aug. 1, 2025 Strata Critical Medical, Inc. $SRTA Heyburn William A. Chief Financial Officer A Class A common stock, $0.0001 par value per share 139286 $0.00 1,463,940.0000 79,694,028 10.51% 0.17%
June 10, 2025 Strata Critical Medical, Inc. $SRTA Heyburn William A. Chief Financial Officer F Class A common stock, $0.0001 par value per share 35348 $3.80 1,324,654.0000 79,694,028 2.60% 0.04%
June 9, 2025 Strata Critical Medical, Inc. $SRTA Heyburn William A. Chief Financial Officer S Class A common stock, $0.0001 par value per share 100000 $4.07 1,360,002.0000 79,694,028 6.85% 0.13%
March 13, 2025 Strata Critical Medical, Inc. $SRTA Heyburn William A. Chief Financial Officer F Class A common stock, $0.0001 par value per share 124396 $3.12 1,495,681.0000 79,694,028 7.68% 0.16%
March 13, 2025 Strata Critical Medical, Inc. $SRTA Heyburn William A. Chief Financial Officer F Class A common stock, $0.0001 par value per share 35679 $3.12 1,460,002.0000 79,694,028 2.39% 0.04%
March 13, 2025 Strata Critical Medical, Inc. $SRTA Heyburn William A. Chief Financial Officer A Class A common stock, $0.0001 par value per share 222857 $0.00 1,620,077.0000 79,694,028 15.95% 0.28%
Jan. 8, 2025 Strata Critical Medical, Inc. $SRTA Heyburn William A. Chief Financial Officer M Class A common stock, $0.0001 par value per share 175000 $0.18 1,397,220.0000 0 14.32% 0.00%
Jan. 8, 2025 Strata Critical Medical, Inc. $SRTA Heyburn William A. Chief Financial Officer M Stock Option (right to buy) 175000 $0.00 0.0000 0 100.00% 0.00%
Jan. 6, 2025 Strata Critical Medical, Inc. $SRTA Heyburn William A. Chief Financial Officer S Class A common stock, $0.0001 par value per share 103670 $5.02 1,223,120.0000 0 7.81% 0.00%
Jan. 7, 2025 Strata Critical Medical, Inc. $SRTA Heyburn William A. Chief Financial Officer S Class A common stock, $0.0001 par value per share 900 $5.00 1,222,220.0000 0 0.07% 0.00%
Dec. 20, 2024 Strata Critical Medical, Inc. $SRTA Heyburn William A. Chief Financial Officer M Stock Option (right to buy) 25312 $0.00 175,000.0000 0 12.64% 0.00%
Dec. 20, 2024 Strata Critical Medical, Inc. $SRTA Heyburn William A. Chief Financial Officer M Class A common stock, $0.0001 par value per share 25312 $0.18 1,326,790.0000 0 1.94% 0.00%
Dec. 9, 2024 Strata Critical Medical, Inc. $SRTA Heyburn William A. Chief Financial Officer S Class A common stock, $0.0001 par value per share 39285 $5.02 1,336,826.0000 0 2.85% 0.00%
Dec. 11, 2024 Strata Critical Medical, Inc. $SRTA Heyburn William A. Chief Financial Officer F Class A common stock, $0.0001 par value per share 35348 $4.72 1,301,478.0000 0 2.64% 0.00%
Nov. 29, 2024 Strata Critical Medical, Inc. $SRTA Heyburn William A. Chief Financial Officer S Class A common stock, $0.0001 par value per share 23815 $5.02 1,376,111.0000 0 1.70% 0.00%
Nov. 18, 2024 Strata Critical Medical, Inc. $SRTA Heyburn William A. Chief Financial Officer M Stock Option (right to buy) 24688 $0.18 200,312.0000 0 10.97% 0.00%
Nov. 18, 2024 Strata Critical Medical, Inc. $SRTA Heyburn William A. Chief Financial Officer M Class A common stock, $0.0001 par value per share 24688 $0.18 1,399,926.0000 0 1.80% 0.00%
Sept. 11, 2024 Strata Critical Medical, Inc. $SRTA Heyburn William A. Chief Financial Officer F Class A common stock, $0.0001 par value per share 35348 $2.85 1,375,238.0000 0 2.51% 0.00%
Aug. 14, 2024 Strata Critical Medical, Inc. $SRTA Heyburn William A. Chief Financial Officer M Class A common stock, $0.0001 par value per share 25000 $0.18 1,410,586.0000 0 1.80% 0.00%
Aug. 14, 2024 Strata Critical Medical, Inc. $SRTA Heyburn William A. Chief Financial Officer M Stock Option (right to buy) 25000 $0.18 225,000.0000 0 10.00% 0.00%
June 13, 2024 Strata Critical Medical, Inc. $SRTA Heyburn William A. Chief Financial Officer F Class A common stock, $0.0001 par value per share 57994 $2.94 1,385,586.0000 0 4.02% 0.00%
June 10, 2024 Strata Critical Medical, Inc. $SRTA Heyburn William A. Chief Financial Officer M Stock Option (right to buy) 30000 $0.18 250,000.0000 0 10.71% 0.00%
June 10, 2024 Strata Critical Medical, Inc. $SRTA Heyburn William A. Chief Financial Officer M Class A common stock, $0.0001 par value per share 30000 $0.18 1,443,580.0000 0 2.12% 0.00%
April 3, 2024 Strata Critical Medical, Inc. $SRTA Heyburn William A. Chief Financial Officer S Class A common stock, $0.0001 par value per share 11440 $3.28 1,413,580.0000 0 0.80% 0.00%
April 3, 2024 Strata Critical Medical, Inc. $SRTA Heyburn William A. Chief Financial Officer S Class A common stock, $0.0001 par value per share 20552 $3.28 1,404,468.0000 0 1.44% 0.00%
March 19, 2024 Strata Critical Medical, Inc. $SRTA Heyburn William A. Chief Financial Officer M Stock Option (right to buy) 45000 $0.18 280,000.0000 0 13.85% 0.00%
March 19, 2024 Strata Critical Medical, Inc. $SRTA Heyburn William A. Chief Financial Officer M Class A common stock, $0.0001 par value per share 45000 $0.18 1,425,020.0000 0 3.26% 0.00%
March 14, 2024 Strata Critical Medical, Inc. $SRTA Heyburn William A. Chief Financial Officer M Stock Option (right to buy) 25000 $0.18 325,000.0000 0 7.14% 0.00%
March 13, 2024 Strata Critical Medical, Inc. $SRTA Heyburn William A. Chief Financial Officer S Class A common stock, $0.0001 par value per share 27210 $2.76 1,381,652.0000 0 1.93% 0.00%
March 14, 2024 Strata Critical Medical, Inc. $SRTA Heyburn William A. Chief Financial Officer M Class A common stock, $0.0001 par value per share 25000 $0.18 1,380,020.0000 0 1.84% 0.00%
March 14, 2024 Strata Critical Medical, Inc. $SRTA Heyburn William A. Chief Financial Officer S Class A common stock, $0.0001 par value per share 26632 $2.62 1,355,020.0000 0 1.93% 0.00%
March 8, 2024 Strata Critical Medical, Inc. $SRTA Heyburn William A. Chief Financial Officer A Class A common stock, $0.0001 par value per share 20552 $0.00 1,408,862.0000 0 1.48% 0.00%
Jan. 2, 2024 Strata Critical Medical, Inc. $SRTA Heyburn William A. Chief Financial Officer M Class A common stock, $0.0001 par value per share 57686 $0.18 1,388,310.0000 0 4.34% 0.00%
Jan. 2, 2024 Strata Critical Medical, Inc. $SRTA Heyburn William A. Chief Financial Officer M Stock Option (right to buy) 57686 $0.18 350,000.0000 0 14.15% 0.00%