SEC Insider Transactions from Milburn Ryan A..

Last updated: 2026-03-14 11:39 UTC | Total transactions: 98

Milburn Ryan A., VP of Engineering and Technology Development at Allison Transmission Holdings Inc. ($ALSN), made one open market sale of shares in the last year, totaling about $359 thousand. The most recent transaction occurred on May 21, 2025. Among 11,678 insiders, his sales rank 7,173rd, well below the average of $8.6 million across 6.4 transactions. He reported no open market purchases.

Set Up your own filters →
Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Dec. 5, 2025 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. A Dividend Equivalent Rights 9 $0.00 79.0000 85,000,000 12.86% 0.00%
Aug. 29, 2025 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. A Dividend Equivalent Rights 9 $0.00 70.0000 88,000,000 14.75% 0.00%
May 30, 2025 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. A Dividend Equivalent Rights 8 $0.00 61.0000 88,000,000 15.09% 0.00%
May 21, 2025 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. S Common Stock 3412 $105.24 11,924.0000 88,000,000 22.25% 0.00%
May 21, 2025 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. M Employee Stock Option (right to buy) 1266 $0.00 0.0000 88,000,000 100.00% 0.00%
May 21, 2025 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. M Employee Stock Option (right to buy) 2146 $0.00 4,292.0000 88,000,000 33.33% 0.00%
May 21, 2025 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. M Common Stock 2146 $70.88 15,336.0000 88,000,000 16.27% 0.00%
May 21, 2025 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. M Common Stock 1266 $43.30 13,190.0000 88,000,000 10.62% 0.00%
May 21, 2025 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. G Common Stock 2214 $0.00 11,924.0000 88,000,000 15.66% 0.00%
March 6, 2025 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. S Common Stock 4546 $96.20 14,138.0000 88,000,000 24.33% 0.01%
March 14, 2025 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. A Dividend Equivalent Rights 9 $0.00 53.0000 88,000,000 20.45% 0.00%
Feb. 28, 2025 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. M Performance Stock Units 6354 $0.00 0.0000 88,000,000 100.00% 0.01%
Feb. 28, 2025 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. F Common Stock 1808 $101.75 18,684.0000 88,000,000 8.82% 0.00%
Feb. 28, 2025 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. M Common Stock 6354 $0.00 20,492.0000 88,000,000 44.94% 0.01%
Feb. 26, 2025 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. S Common Stock 793 $100.00 14,138.0000 88,000,000 5.31% 0.00%
Feb. 25, 2025 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. S Common Stock 662 $98.54 14,931.0000 88,000,000 4.25% 0.00%
Feb. 22, 2025 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. M Common Stock 27 $0.00 15,102.0000 88,000,000 0.18% 0.00%
Feb. 21, 2025 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. M Common Stock 715 $0.00 14,376.0000 88,000,000 5.23% 0.00%
Feb. 21, 2025 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. M Common Stock 7 $0.00 14,383.0000 88,000,000 0.05% 0.00%
Feb. 21, 2025 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. F Common Stock 245 $100.67 14,138.0000 88,000,000 1.70% 0.00%
Feb. 22, 2025 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. M Common Stock 937 $0.00 15,075.0000 88,000,000 6.63% 0.00%
Feb. 22, 2025 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. F Common Stock 302 $100.67 14,800.0000 88,000,000 2.00% 0.00%
Feb. 23, 2025 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. M Common Stock 1059 $0.00 15,859.0000 88,000,000 7.16% 0.00%
Feb. 23, 2025 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. M Common Stock 51 $0.00 15,910.0000 88,000,000 0.32% 0.00%
Feb. 23, 2025 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. F Common Stock 317 $100.67 15,593.0000 88,000,000 1.99% 0.00%
Feb. 21, 2025 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. M Restricted Stock Units 715 $0.00 1,431.0000 88,000,000 33.32% 0.00%
Feb. 21, 2025 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. M Dividend Equivalent Rights 7 $0.00 122.0000 88,000,000 5.43% 0.00%
Feb. 22, 2025 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. M Restricted Stock Units 937 $0.00 937.0000 88,000,000 50.00% 0.00%
Feb. 22, 2025 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. M Dividend Equivalent Rights 27 $0.00 95.0000 88,000,000 22.13% 0.00%
Feb. 23, 2025 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. M Restricted Stock Units 1059 $0.00 0.0000 88,000,000 100.00% 0.00%
Feb. 23, 2025 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. M Dividend Equivalent Rights 51 $0.00 44.0000 88,000,000 53.68% 0.00%
Feb. 19, 2025 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. A Restricted Stock Units 1151 $0.00 1,151.0000 88,000,000 9999.99% 0.00%
Feb. 19, 2025 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. A Employee Stock Option (right to buy) 3455 $0.00 3,455.0000 88,000,000 9999.99% 0.00%
Feb. 10, 2025 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. A Performance Stock Units 6354 $0.00 6,354.0000 88,000,000 9999.99% 0.01%
Nov. 27, 2024 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. A Dividend Equivalent Rights 10 $0.00 129.0000 88,000,000 8.40% 0.00%
Nov. 25, 2024 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. G Common Stock 795 $0.00 13,661.0000 88,000,000 5.50% 0.00%
Aug. 30, 2024 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. A Dividend Equivalent Rights 12 $0.00 119.0000 91,000,000 11.21% 0.00%
May 31, 2024 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. A Dividend Equivalent Rights 16 $0.00 107.0000 91,000,000 17.58% 0.00%
March 15, 2024 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. A Dividend Equivalent Rights 16 $0.00 91.0000 91,000,000 21.33% 0.00%
March 4, 2024 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. S Common Stock 2598 $75.40 14,456.0000 91,000,000 15.23% 0.00%
Feb. 28, 2024 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. M Performance Stock Units 3634 $0.00 0.0000 91,000,000 100.00% 0.00%
Feb. 28, 2024 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. F Common Stock 1036 $75.59 17,054.0000 91,000,000 5.73% 0.00%
Feb. 28, 2024 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. M Common Stock 3634 $0.00 18,090.0000 91,000,000 25.14% 0.00%
Feb. 27, 2024 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. M Common Stock 2810 $47.35 20,456.0000 91,000,000 15.92% 0.00%
Feb. 27, 2024 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. S Common Stock 6000 $74.76 14,456.0000 91,000,000 29.33% 0.01%
Feb. 27, 2024 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. M Employee Stock Option (right to buy) 3190 $0.00 1,266.0000 91,000,000 71.59% 0.00%
Feb. 27, 2024 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. M Employee Stock Option (right to buy) 2810 $0.00 5,620.0000 91,000,000 33.33% 0.00%
Feb. 27, 2024 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. S Common Stock 787 $75.12 14,456.0000 91,000,000 5.16% 0.00%
Feb. 27, 2024 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. M Common Stock 3190 $43.30 17,646.0000 91,000,000 22.07% 0.00%
Feb. 23, 2024 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. F Common Stock 313 $74.63 15,243.0000 91,000,000 2.01% 0.00%
Feb. 23, 2024 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. M Common Stock 1059 $0.00 15,515.0000 91,000,000 7.33% 0.00%
Feb. 23, 2024 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. M Common Stock 41 $0.00 15,556.0000 91,000,000 0.26% 0.00%
Feb. 23, 2024 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. M Restricted Stock Units 1059 $0.00 1,059.0000 91,000,000 50.00% 0.00%
Feb. 23, 2024 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Engr. & Tech Dev. M Dividend Equivalent Rights 41 $0.00 75.0000 91,000,000 35.34% 0.00%
Feb. 22, 2024 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engr. & Tech Dev. M Common Stock 936 $0.00 14,763.0000 91,000,000 6.77% 0.00%
Feb. 21, 2024 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engr. & Tech Dev. A Employee Stock Option (right to buy) 6438 $0.00 6,438.0000 91,000,000 9999.99% 0.01%
Feb. 21, 2024 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engr. & Tech Dev. A Restricted Stock Units 2146 $0.00 2,146.0000 91,000,000 9999.99% 0.00%
Feb. 22, 2024 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engr. & Tech Dev. M Restricted Stock Units 936 $0.00 1,874.0000 91,000,000 33.31% 0.00%
Feb. 22, 2024 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engr. & Tech Dev. M Dividend Equivalent Rights 16 $0.00 116.0000 91,000,000 12.12% 0.00%
Feb. 22, 2024 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engr. & Tech Dev. M Common Stock 16 $0.00 14,779.0000 91,000,000 0.11% 0.00%
Feb. 22, 2024 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engr. & Tech Dev. F Common Stock 323 $73.39 14,456.0000 91,000,000 2.19% 0.00%
Feb. 14, 2024 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engr. & Tech Dev. S Common Stock 519 $70.00 13,827.0000 91,000,000 3.62% 0.00%
Feb. 10, 2024 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engr. & Tech Dev. F Common Stock 267 $61.70 14,346.0000 91,000,000 1.83% 0.00%
Feb. 10, 2024 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engr. & Tech Dev. M Restricted Stock Units 744 $0.00 0.0000 91,000,000 100.00% 0.00%
Feb. 10, 2024 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engr. & Tech Dev. M Dividend Equivalent Rights 42 $0.00 132.0000 91,000,000 24.14% 0.00%
Feb. 12, 2024 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engr. & Tech Dev. A Pefromance Stock Units 3634 $0.00 3,634.0000 91,000,000 9999.99% 0.00%
Feb. 10, 2024 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engr. & Tech Dev. M Common Stock 42 $0.00 14,613.0000 91,000,000 0.29% 0.00%
Feb. 10, 2024 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engr. & Tech Dev. M Common Stock 744 $0.00 14,571.0000 91,000,000 5.38% 0.00%
Nov. 30, 2023 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engineering A Dividend Equivalent Rights 24 $0.00 174.0000 96,000,000 16.00% 0.00%
Aug. 31, 2023 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engineering A Dividend Equivalent Rights 20 $0.00 150.0000 96,000,000 15.38% 0.00%
Aug. 28, 2023 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engr. & Tech Dev. M Employee Stock Option (right to buy) 4130 $0.00 0.0000 96,000,000 100.00% 0.00%
Aug. 28, 2023 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engr. & Tech Dev. S Common Stock 7372 $59.15 13,827.0000 96,000,000 34.78% 0.01%
Aug. 28, 2023 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engr. & Tech Dev. M Employee Stock Option (right to buy) 3242 $0.00 0.0000 96,000,000 100.00% 0.00%
Aug. 28, 2023 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engr. & Tech Dev. M Common Stock 4130 $49.60 21,199.0000 96,000,000 24.20% 0.00%
Aug. 28, 2023 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engr. & Tech Dev. M Common Stock 3242 $37.11 17,069.0000 96,000,000 23.45% 0.00%
May 31, 2023 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engineering A Dividend Equivalent Rights 26 $0.00 130.0000 96,000,000 25.00% 0.00%
March 17, 2023 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engineering A Dividend Equivalent Rights 31 $0.00 104.0000 96,000,000 42.47% 0.00%
March 8, 2023 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engr. & Tech Dev. S Common Stock 2050 $48.36 13,827.0000 96,000,000 12.91% 0.00%
Feb. 25, 2023 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engr. & Tech Dev. M Common Stock 104 $0.00 16,439.0000 96,000,000 0.64% 0.00%
Feb. 25, 2023 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engr. & Tech Dev. F Common Stock 562 $47.54 15,877.0000 96,000,000 3.42% 0.00%
Feb. 25, 2023 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engr. & Tech Dev. M Restricted Stock Units 1796 $0.00 0.0000 96,000,000 100.00% 0.00%
Feb. 25, 2023 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engr. & Tech Dev. M Dividend Equivalent Rights 104 $0.00 73.0000 96,000,000 58.76% 0.00%
Feb. 25, 2023 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engr. & Tech Dev. M Common Stock 1796 $0.00 16,335.0000 96,000,000 12.35% 0.00%
Feb. 23, 2023 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engr. & Tech Dev. M Common Stock 21 $0.00 14,907.0000 96,000,000 0.14% 0.00%
Feb. 23, 2023 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engr. & Tech Dev. F Common Stock 368 $47.57 14,539.0000 96,000,000 2.47% 0.00%
Feb. 23, 2023 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engr. & Tech Dev. M Restricted Stock Units 1059 $0.00 2,118.0000 96,000,000 33.33% 0.00%
Feb. 23, 2023 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engr. & Tech Dev. M Dividend Equivalent Rights 21 $0.00 177.0000 96,000,000 10.61% 0.00%
Feb. 23, 2023 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engr. & Tech Dev. M Common Stock 1059 $0.00 14,886.0000 96,000,000 7.66% 0.00%
Feb. 22, 2023 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engr. & Tech Dev. A Restricted Stock Units 2810 $0.00 2,810.0000 96,000,000 9999.99% 0.00%
Feb. 22, 2023 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engr. & Tech Dev. A Employee Stock Option (right to buy) 8430 $0.00 8,430.0000 96,000,000 9999.99% 0.01%
Nov. 17, 2022 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engineering S Common Stock 4444 $44.00 13,317.0000 0 25.02% 0.00%
Feb. 10, 2023 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engineering M Common Stock 743 $0.00 14,060.0000 96,000,000 5.58% 0.00%
Feb. 10, 2023 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engineering M Common Stock 30 $0.00 14,090.0000 96,000,000 0.21% 0.00%
Feb. 10, 2023 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engineering F Common Stock 263 $45.32 13,827.0000 96,000,000 1.87% 0.00%
Nov. 17, 2022 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engineering M Employee Stock Option (right to buy) 4444 $0.00 0.0000 0 100.00% 0.00%
Feb. 10, 2023 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engineering M Restricted Stock Units 743 $0.00 744.0000 96,000,000 49.97% 0.00%
Feb. 10, 2023 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engineering M Dividend Equivalent Rights 30 $0.00 198.0000 96,000,000 13.16% 0.00%
Nov. 17, 2022 Allison Transmission Holdings Inc $ALSN Milburn Ryan A. VP, Product Engineering M Common Stock 4444 $23.59 17,761.0000 0 33.37% 0.00%